All prior 6-cylinder engines from Mercedes were straight sixes. This was such a known issue for early M278s that there was even a factory service bulletin released for it. These 5 come in under $10,000. How do they compare to a masterpiece like the M113? Initially, the C43 caught a lot of flack for its perceived lack of power, but it has changed critics minds with its deft handling, impeccable performance, and luxurious interior. The first version of this engine, with 201 hp and 369 lb-ft of torque, lasted a whole model year in 2009. Another benefit of tuning is that your tuner can utilize the M278s E85 compatibility. The wastegate can be opened in a partial-load situation to reduce fuel consumption and gather boost pressure. If you're looking for more Mercedes DIYs, guides, and news, visit our Mercedes hub at mercedes.fcpeuro.com and subscribe to our YouTube channel. This was the easy part. It comprises one primary chain and two secondary chains, and both have their own tensioners. Inside an aluminum crankcase, there is a forged steel crankshaft secured by reinforced bearing caps. The M272 utilises a 90-deg block in common with the V8 engines. When the balance shaft . VW had quite a few problems early on, too. It makes peak torque at just 1,600 RPM, while still building horsepower to the redline. 2022 had some great debuts, and here are our favorites. M273 engines are susceptible to wear in the timing chain guide gear, which can cause the right camshaft to go out of time and cause catastrophic engine damage. The oil and filters should be changed every 10,000 miles for the dry-sump 4.0L, which holds 7-12L of oil, depending on the model. New for the M278 was a direct injection system that used a new jet-guided combustion system featuring piezo injectors. The high pressure fuel pump (HPFP) is responsible for delivering fuel at incredibly high pressures to support the direct injectors. However, DI sprays fuel right into the cylinder so there is nothing to clean any deposits. Most engines in the new series are turbocharged and only 3.5L M276 . By far the biggest issue with early versions of the M278 were the timing chain and tensioners. All M272 engines have aluminum engine blocks with a 90 V-angle with silicon/aluminum lined cylinders. Each camshaft is equipped with the hydraulic vane-cell adjusters of the variable valve timing system, which has an increased adjustment range compared to the M273. The original C63 AMG and E63 AMGs both boasted outstanding performance, elegant styling, a luxurious and, Read More Mercedes C63 vs E63 AMGContinue, The Mercedes-Benz M112 engine was a four-stroke internal combustion V6 engine utilized in various models from 1998 until ceasing production in 2015. In turn, the exhaust gases are carried in a welded exhaust manifold, air gap-insulated, and an exhaust pipe downstream of the turbo. The new V8 was used in many expensive models of the German manufacturer in the 2000s, such as W211, W221, and X164. In this article, we will discuss common M272 engine problems along with symptoms and, Read More 4 Common Mercedes M272 Engine ProblemsContinue, The M276 engine from Mercedes-Benz is the successor to the previous M272 engines. The M273 continued the parts sharing with the V6 M272. It requires a major overhaul. Save my name, email, and website in this browser for the next time I comment. The settlement includes all current and former U.S. owners and lessees of 2005-2007 Mercedes-Benz vehicles equipped with M272 or M273 engines bearing serial numbers up to 2729..30 468993 or 2739 . The engine is equipped with fracture-split, forged connecting rods and light-weight, low-friction aluminum pistons. It lives deep inside the S550's V8 engine, which is coded M273, and is connected to the timing chain. The majority of these features were also shared with the M276 V6 engine, which was announced with the M278 at the same time. It is then pushed into the fuel rails and finally out through the piezo injectors into the combustion chamber. However, there are some gems out there that won't break the bank. Go read that article to learn more. Cam adjusters have been common problems on several Mercedes engines, and the M278 seems to suffer from them as well. Incredibly, even with the addition of biturbos, the M278 still retained the same 10.5:1 compression ratio of the outgoing naturally aspirated M273. A bi-turbo setup with decent displacement can provide you at least larger coming straight from the factory. Misfiring. JavaScript is disabled. The same technology that lets the factory produce more power from the 5.5 liter displacement, allows Kleemann to squeeze even more form our tuning program. They initially debuted in 2007/8 to a lot of hype and fanfare, and buyers expressed their approval of the new arrivals. The M278 has new pistons with increased by 2 mm compression height. However, maintenance is one thing we do have control over. These small Honeywell turbochargers produce up to 0.9 bar (13 psi) boost pressure. From 20132016, the E300 CDI received a diesel particulate filter and a BlueTec. In Stock. Every Mercedes Model With A Manual Transmission, 2023 FCP Euro Winter Kit Sale: Our Experts' Favorite Kits, Project Golden Era - Building A Modern Day Mercedes 190E 2.0-16 Touring Car, 5 Of The Best Used European Luxury Cars To Buy Under $10,000, European Cross-Plane V8 Engines You Should Know About, The Last Of The European Wagons Sold In The US, Another potential leak is at the engine oil separator. Power was down the M152 compared with both the M157 and M278. This is typical for engines manufactured before June 2008. The engine has a 10.5:1 compression ratio and makes peak torque at just 1,600 RPM. Its also related to the Fiat-Chrysler 3.6L Pentastar V6 engine since Mercedes was owned by FCA at the time. Well clarify where necessary in the article. If theyre not replaced soon after theyll continue getting worse, which might lead to power loss, rough idle, and other symptoms. I'm not sure of the year but mine is a '57 with engine no. Engines produced in 2006 had a problem with rapid worn timing chain guide gear (less than 60k miles). M272 V6 & M273 V8 engine - soft balance shaft gears. Combined with the 722 5-speed automatic, the M113 V8 has been known to be incredibly reliable, suffering none of the problems that you'd associate with other brands. . The M278 engine has four valves per cylinder and is actuated by roller cam followers. The W212 featured four families of V-8 engines with four different displacements. In 2010, as a replacement for the M273 engines, Daimler AG introduced the 4.6-liter V8 twin-turbocharged Mercedes-Benz M278 engine. Those same engines ran into excess carbon build-up as early as 40,000 to 60,000 miles. A couple of his favorites were his heavily modded 2016 Subaru WRX and his current 2020 VW Golf GTI. All of the abovementioned vehicle models are still badged as 550. Your email address will not be published. For North American buyers, there is no one best engine choice. This effectively stops the oil from seeping in and causing issues. You are using an out of date browser. The reason to improve, whether on the next production or an altogether revamp of the machine. This is by far one of the most common problems with Mercedes-Benz models, including E25, E30, and E35. Oil leakage was on the backside of the cylinder heads from the round expansion plugs made of plastic material. This was exclusively a marketing ploy in an answer to BMWs 550i, which had 4.4-liters of displacement because everything is made up in this business nowadays. The connecting rods in opposite are 2 mm shorter in order to preserve a compression ratio of 10.5:1. The Mercedes-Benz M272 is a V6 engine tasked with replacing the M112, Mercedes first V6 engine. Find the best prices on Left Intake Manifold Gasket - Compatible with 1997 Mercedes-Benz E420 and read product reviews. They also cut down on turbo lag, making the car more responsive. The pressure supplied to the rails lies between 120 and 200 Bar. I have a 2012 ML500 166 body with 278 928 engine. The M278 engine also features the third-generation direct injection system with piezo injectors (multiple injections during a combustion cycle) and multi-spark ignition. Your email address will not be published. It went back to DOHC and single spark plug while carrying over the advancements from the M113 C cm60k E500E Enthusiast Aug 17, 2011 #12 *M113: misery guys (life & death for money no more), Engineers with no pretty wifes with bad food>>bad sleepy night>>big headache in The air cleaner box features two air filters. 135, When Porsche asked if a car could live forever, 6 cars that Hagerty readers hope to find under the Christmas tree. To clear off space on the shelves, we're is bringing you the Winter Garage Sale with our lowest prices of the year. A weak place is engine timing. Two IHI turbos offer quick spool with minimal turbo lag and help the M276 DE 30 produce 328 horsepower and 354 lb-ft of torque. Are you considering one? Contrary to the port-injected M273, the M278 engine features a direct injection system with piezo-electrically actuated fuel injection. To achieve even firing pulses throughout the 4-stroke 720-deg cycle, a 6-cylinder engine should produce a power stroke every 120-degrees. However, turbo M276 engines will generally cost more to maintain than the NA DE35. Average Retail Price. The M278 has new pistons with increased by 2 mm compression height. This article is in reference to all of the engines in the M276 family. A 3.5L naturally aspirated V6, 3.0L twin turbo V6, and 3.5L twin turbo V6. Cls 500 2007. The intake manifold is made of an aluminum-magnesium alloy and it has tumble flaps providing a variable length of the intake channels. BMW ran into endless issues with the N54 their first mass production turbo DI engine. It has sodium filled exhaust valves for optimal heat reduction, and also uses a direct injection system like the M278. The turbocharger provided in the M278 is the Garrett MGT1752SM turbochargers that can reach a boost pressure of 13 psi. The engine has 8 cylinders, the block is made of cast iron, and the block head is made of high quality aluminum. Buy KIPA Intake Manifold Air Flap Runner Lever Repair Kit for Mercedes Benz M272 V6 M273 V8 Durable superior reliability, OE # 2721402401 . This reduces scavenging on the exhaust and can at times lead to reversion. For a better experience, please enable JavaScript in your browser before proceeding. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); TuningPro is a blog dedicated to providing car enthusiasts with the best information around performance modifications, engine problems, general maintenance and repair, and tuning. However, Mercedes issued a service bulletin for this issue and many were covered under warranty. 2007 mercedes s550 luxury sport sedan with dvd based navigation heated and cooled seats vent shades all books one master keys no issues sharp car all services current . The intake and exhaust camshafts are driven by a chain-drive integrated gear via a secondary timing chain (there are two of them, by one for each head). Whats your experience with the Mercedes-Benz M276 V6 engine? A lot of this improvement was due to a switch from natural aspiration to twin-turbos. 1970 Buick LeSabre Custom Convertible: Really Red, Which EVs do, and dont, qualify for the new tax credits, BMWs quickest EV ever is this 650-hp 7 Series, This pack of ponies spans the Mustangs illustrious history, How fast is the Corvette E-Ray? The updated tensioners and check valves are fairly cheap for just the parts. The intake manifold is prone to carbon build-up inside and on the flaps used to vary the length of the intake channels. Click on the buttons below to read more about the typical problems that fall outside the scope of routine maintenance. The dual overhead camshafts were driven by a two-stage chain drive with three gear chains; a hydraulic chain tensioner manages each chain tension. Average about 5,9L/100km, thats very good. It may not display this or other websites correctly. Downpipes will typically add about 20-30whp/wtq on the M278, with about 5whp more for catless versions. Chandlers passion and knowledge of the automotive industry help him deliver high-quality, insightful content to TuningPro readers. Overall, the M278 engine is incredibly well engineered and capable of producing some serious power. Bore size, stroke, and bore pitch are identical. While the 4.6L biturbo M278 is a great performance engine that is capable of some serious power, it is not without its faults. So far with our AER C300, we have been pleasantly surprised by the reliability and overall performance (other than shearing wheel studs off mid corner during a race). The Mercedes-Benz M273 engine family includes a 5.5-liter and 4.7-liter gasoline V8s based on M272 V6. The Mercedes M272 engine is a powerful and reliable V6 engine that offers superior performance and fuel efficiency. What do you think about that? The nineties were filled with crazy concepts from European manufacturers. Hes also a big fan of American Muscle and automotive history. However, the CLS-Class, M-Class, and E-Class were detuned to a lower 402 HP with 443 lb-ft of torque at 1,600 RPM. On top of the direct injection system are a standard and multi-spark ignition mode. While the intake camshafts are driven by a double-strand timing chain (duplex chain), the exhaust camshafts are gear-driven by a sprocket at front of each intake camshaft. Labor can add quite a bit of money on top. The M278 has a biturbo design with one turbo for each bank, which massively improves efficiency and performance. The M278 engine is much more fuel efficient that the M273 engine it replaces. The engine has a pretty complicated timing chain drive arrangement. Has 236K km on the clock. The M273 was a naturally aspirated 5.5L V8 that produced 382hp and 391tq in its final iteration. Engine systems are controlled by the MED17.7 engine control unite (ECU). The electronic coil control will re-open the amplifier to allow flow current charging if the secondary current plummets below its threshold. Power varies from 275 to 574 horsepower impressive numbers for its era. BlueTec, often just referenced as Blue, implies the use of a selective catalytic reduction (SCR) system that injects diesel exhaust fluid (AdBlue). They came in 1.6-liter, 1.8-liter, and 2.0-liter displacements, and, with a single supercharged exception, all were turbocharged. It's proven over the years as bulletproof engine ? E 250 CDI: Available from 2009 on, the 2.1-liter biturbo made 195 hp and 369 lb-ft of torque at 1600 rpm. A few symptoms of excess carbon build-up include: As carbon build-up on intake valves and ports it begins to restrict air-flow into the cylinders. I cannot find cylinder liners/sleeves for this engine. There are also more parts that can potentially fail, but there dont seem to be any common turbo related problems on the M276. Required fields are marked *. Introduced in 2004, it is based on the M112 V6 introduced in 1998. First introduced by Mercedes in the 2005 SLK, the new generation of Mercedes engines was a stark departure from what was produced decades prior. For me, it's comfort and luxury, not highperformance and reliability. As carbon deposits continue worsening you might run into misfires, stuttering, and rough idle. Cam adjusters are important on the M278 because they are responsible for controlling the variable valve timing. The balance shaft issue is the only real issue with this engine but unfortunately a rather costly repair, as you can see from Coles picture, its an engine out job and a bit of a ball ache in all honesty. As such, timing chain tensioner problems primarily affect the early NA DE35 M276 engines. M272 V6 & M273 V8 engine - soft balance shaft gears M272 and M273 engine - variable intake manifold M156 engine - head bolt corrosion (SL 63 AMG) M156 engine - camshaft wear (SL 63 AMG) M275 engine maintenance costs Summary of problems & additional information Mercedes-Benz R230 specifications Previously, we have looked at the 5 most common problems with the M157, so make sure to check that out when you get a chance. It features advanced. Exactly when this will cause issues is still up for debate. You should avoid V6 and V8 Mercedes that came with M272 and M273 engines from 2004. . Im trying to figure out what needs to happen to prevent it from happening again now that I own the car. The M276 had a 90-degree V-shape aluminum cylinder block with Al-Si alloy (Silitec) cast cylinder liners and aluminum alloy cylinder heads. To add, full-load venting also happens via the line between the oil separator and the left air filter to the left air filter upstream of the turbocharger. Drivers routinely praise the M278 for its reliability, engineering, and outstanding performance. Gone were the three-valve single cam M112 and M113replaced by a high feature, four-valve per cylinder, four-cam engine with continuously adjustable variable valve timing. The Silitec coating showed themselves as bad cylinder surface material for operation under high temperatures and detonation. The M278 engine changed the impressions on V8 that they can be detuned and deliver even at a lower capacity. . Alternatively with which engine could I replace this engine with? We mentioned the N54 engine and VW/Audi in the previous section. Its also not a complicated repair for the DIY crowd, but labor can add in another chunk of money for the repair shop crowd. 2009-2013: 1.8-liter turbocharged engine, made 201 hp and 229 lb-ft of torque. Though, excess deposits can cause performance and drivability concerns. Here are all of the remaining European wagons for sale in the US. In some cases a bad timing chain tensioner or other timing chain parts may cause fault codes, a check engine light, and poor overall engine operation. The M278 is capable of mammoth performance from the factory, and with just a few mods it can really turn into a rocket. The M157 features twin Garrett MGT2260SML turbos that run 13-14.5 PSI (0.9-1.0 bar) of boost, depending on the application. It seems more and more cases pop up as some of the early engine keep aging. Mercedes M278 has two oil separators for its ventilation system. It quickly gained popularity, being on the radar of most engine enthusiasts roaming to find and witness one of the truths engine styles. Due to the direct injection, the M278 also features three fuel pumps, a low pressure fuel pump and two high pressure fuel pumps one for each cylinder bank. Hi Furthermore, the machine has cast aluminum pistons, and fracture-split forged connecting rods. For decades, the Mercedes-Benz S-Class sedan has reigned as a supreme icon of luxury motoring. The crankshaft drives a new vane-type regulated oil pump via a simplex bush roller chain and a chain-drive integrated gear of the two-stage chain drive system via a primary timing chain. The real purpose of adding in this section is to discuss the NA vs turbocharged M276 V6 engines. All variants including the twin turbo engines offer a great balance of performance, efficiency, and reliability. Mercedes has made a name for itself when it comes to performance-oriented turbocharged engines. E 300 BlueTec Hybrid: Available from 2012 on, it used the same mild-hybrid configuration as the E 400 HYBRID. Mercedes continued producing the M104 series for a decade until its succession by the M112 in 1999. The aluminum DOHC cylinder heads have 4 valves per cylinder. CHECK OUT: What Forum Members Are Saying About This V8 Video The M113 came in a few different variations, with 4.3, 5.0, and 5.5-liter versions. The M276 series was introduced in late 2010 and since then it has been installed on most modern models those years (S350, CLS350, ML350, E350, W204 C350, and others) replacing the previous M272 V6 engine series. A cam plug oil leak is another widespread problem of this engine family. Changes to coupe and convertible body styles, along with engine choices, varied independently of alterations to the sedan and wagon. Rating . Of course, many other possible issues can cause long cranks on the M276 engine so dont overlook the basics. As a direct injection (DI) engine the Mercedes M276 V6 uses a high-pressure fuel system. How to check by VIN. This helps efficiency despite its larger design. All of the six-bangers were of the V-6 configuration. . Chandler is an automotive expert with over a decade of experience working on and modifying cars. The stock tune is capable of utilizing up to 25% ethanol, but the fuel lines and high pressure fuel pump can take almost full E85 without losing functionality. The Mercedes-Benz M278 engine or family of engines is derived from Mercedes previous model, the 4.7 Liter M273 V8 engine. Transmission: 5-speed automatic. However, no engine is perfect and there arent any exceptions to the rule here. Few problems should happen as long as they are regularly serviced and maintained. That is also ridiculous since all of these upgrades are possible with the cars stock internals. Mercedes M278 engines also have a charge air cooling system. Toyota 1GZ-FE: Everything You Need To Know, Ford 3.7L V6 Duratec: Everything You Need To Know, Valvetrain: DOHC four valves per cylinder, Maximum Torque: 516 lb-ft at 1,800 3,500 RPM, 2013 2019 GL 500/GLS 500/GL 550/GLS 550. Or M272/273? Some early M276 engines had a flaw with lack of oil on the timing chain tensioners leading to rattling during start-up. One other consideration is that the twin turbo engines offer more performance and tuning potential. Turbo engines love to burn through spark plugs and ignition coils faster than naturally aspirated engines. Hence, the wear of the guides. This wasn't mandatory, it was just more suitable for continuous high RPM operation thats common in a racing environment. The, Read More Mercedes C43 vs C63 AMGContinue. Lastly, there are 4 camshaft adjustment solenoids which can leak oil or they can also fail, again on the already mentioned M272 and M273 engines. What are your thoughts on those engines? We will bang the gavel on this verdict, though: there is an engine choice for everyone. Both the left and right secondary chain tensioners are replaced and check valves are installed. The S-Class is usually . We love turbo engines and would choose the Mercedes 3.0 or 3.5L twin turbo engine any day. Notify me of follow-up comments by email. The engine has an independent continuously intake and exhaust camshaft timing. There are a couple of extremely reliable Mercedes engines such as the 2.6 R6 found in the W124, but if you want a powerful and reliable engine, the V8 found in the W123, W124, and the W190 is the one to get. The selection of compression-ignition four-bangers, BFF to German taxi drivers, isnt very large. This new generation also featured the addition of a balance shaft. E 300: This decklid badge meant two very different things, depending on model year: E 350: Pay attention here, because its about to get complicated: E 400: Whereas all other V-6s were naturally aspirated, but these were twin-turbo models. Year: 2007. As we discussed, there are a few different variants of the M276 including the DE35 NA, DE30 twin turbo, and DE35LA twin turbo. The location of the turbos allows for the liquid-to-air intercooler and heat exchanger to actually be mounted within the V of the engine. Performance models made between 429-449hp and 465tq, and peak torque was achieved at just 1,800 RPM. Ensure the M272 engine serial number is later than 2729..30 468993. Major Engine Problem You Should Look Out For. A lot of this improvement was due to a switch from natural aspiration to twin-turbos. Even the best engines have weaknesses or issues that need to be addressed. The connecting rods, crankshaft, and valves are all forged, while the hyper-eutectic pistons, crankcase, and cylinder heads are all cast aluminum. 550Maranello E500E Guru Aug 24, 2014 #3 Forget about D/C hype, how about reliability? As we dive into the acronyms, know that W212 refers only to the sedan version of the E-Class. JavaScript is disabled. It also improves on fuel economy and emissions from its predecessor, while losing almost a liter in displacement. These turbos were fitted on each of the two exhaust manifolds driven by the kinetic and thermal energy of exhaust gases coming from the connected cylinder bank. The M113 is also tuned up to achieve 396 horsepower in the SLK 55 AMG Black Series. Thanks for the informative article. Read More Mercedes M113 V8 Engine Problems, Reliability, SpecsContinue, The Mercedes-AMG M156 engine has a sizable reputation as one of the companys most well built production motors. Each cylinder bank is equipped with an aluminum cylinder head with four valves per cylinder and two overhead camshafts. LegitStreetCars 919K subscribers Subscribe 8.5K 840K views 5 years ago Shopping for a Mercedes-Benz? The M273 series was released in 2005 as a successor for the M113 engine. Throughout this guide, we will discuss the history of, Read More Mercedes M112 V6 Engine GuideContinue, Since their debuts, both the C43 AMG and C63 AMGs have built up their reputations as two of the hottest cars in the Mercedes lineup. Theyre all excellent engines that offer a good balance of performance, reliability, and efficiency. Before diving into this post its important to lay out some differences between the M276 engines. This was the easy part. Dirty flaps could be stuck or create high loads on the plastic VIM actuator cam. The M273 uses sequential fuel injection controlled by the Bosch ME9 ECU with two micro-controllers. and get all the new deets right in your inbox, Leaders in automotive prformancee and tuning guides, Please enable JavaScript in your browser to submit the form, Mercedes M113 V8 Engine Problems, Reliability, Specs. This oddball engine was found only in the Southern Hemisphere between 20132016. While the new enthusiast market is under threat, here are the newest models to fly the flag for the fans. The Mercedes-Benz M272 and M273 engine class action lawsuit is brought on behalf of a nationwide class of owners and lessees who have vehicles equipped with M272 engines bearing serial numbers up to 2729..30 468993 and M273 engines bearing serial numbers up to 2739..30 088611. Stuttering, hesitation, rough idle, and power loss are common symptoms as the HPFP gets worse. 4 Most Common Dodge 5.7 HEMI Problems Tuning 5.7 HEMI V8 Oil The lifespan is likely about half that of NA engines. The cooling system is also managed by ECU - a mechanical thermostat was replaced by a new electronically controlled thermostat for optimum control of engine temperature. Its a pretty minor problem in the grand scheme, and some M276 engines will probably go their whole lives without carbon cleaning. Compare. This iconic engine was the first V6 ever created by Mercedes, soon followed by the M113 V8, also introduced to the market in 1998. It is expensive to rectify. Fortunately, around 2014 Mercedes had some updated parts that resolved the issue. This engine is known as the M271 CGI. There were even hybrid models. On the M276 DE35 the plugs should last about 70,000 miles and ignition coils twice that long. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Your email address will not be published. Most intakes replace the plastic OEM intake tubes with aluminum or carbon fiber tubes that are much better structurally and allow for smoother flow under boost. Throughout this guide, we will discuss the history of, Read More Mercedes M112 V6 Engine GuideContinue, After nearly a two decade hiatus, the Mercedes-AMG C43 4MATIC (W205) made its triumphant return to the Mercedes-Benz lineup in the 2016 model year. The M157 is a 5.5L biturbo V8 that makes 536-577hp and 515-664tq, with the higher displacement coming courtesy of increased bore and stroke. Upgraded downpipes remove a lot of the restriction from the OEM units and greatly reduce back pressure. Higher cylinder pressures, more air and fuel, etc contribute to turbo cars burning through plugs and coils. Required fields are marked *. Get help answering any questions you have, How to Diagnose & Repair Volvo "Anti-Skid Service Required" Message, Seven New European Cars That Offer A Manual Transmission (2020 Model Year). It was also the final naturally aspirated V8 that Mercedes and AMG built together, making the M156 engine a, Read More Mercedes M156 Engine GuideContinue. The Mercedes-Benz M273 V8 engine is an advanced and powerful engine, producing 10% more power and torque that is predecessor, the M113, from the same displacement. This iconic engine was the first V6 ever created by Mercedes, soon followed by the M113 V8, also introduced to the market in 1998. Curiously it never occurred on the first start of the day. In addition, different model designations were used in different parts of the world on otherwise identical vehicles. Although there are some issues with the valve train and timing chain, these are relatively small and were rectified by the end of the engines production cycle. The separator and PCV system do an excellent job at keeping carbon deposits minimal. Most engine offerings were replaced with new ones over the life of the W212 chassis. Tuning with E85 is by far the best way to gain power on the M278, as you can easily add an additional 30% over traditional fueling. Hes been repairing, upgrading, tuning, and writing about cars & engines for over a decade. In the mercedes m273 engine reliability control will re-open the amplifier to allow flow current charging the... Different parts of the engines in the grand scheme, and the M278 engine is perfect and there arent exceptions. Rails and finally out through the piezo injectors into the fuel rails and finally out through piezo... Serial number is later than 2729.. 30 468993 and modifying cars tasked... Common turbo related problems on several Mercedes engines, Daimler AG introduced the 4.6-liter V8 twin-turbocharged Mercedes-Benz engine... The sedan version of the machine engines love to burn through spark plugs and coils AG introduced 4.6-liter! Garage Sale with our lowest prices of the W212 chassis ventilation system engine choices, varied of. Content to TuningPro readers engine should produce a power stroke every 120-degrees valves per cylinder and two camshafts! Its reliability, engineering, and bore pitch are identical powerful and reliable engine! Current plummets below its threshold M276 engine so mercedes m273 engine reliability overlook the basics cars. Vw had quite a bit of money on top of the cylinder heads from factory! Models, including E25, E30, and peak torque was achieved at just 1,800 RPM over years. M278 engine is perfect and there arent any exceptions to the rails lies between 120 and 200 bar the overhead! Bang the gavel on this verdict, though: there is a '57 mercedes m273 engine reliability no! Same time to improve, whether on the flaps used to vary the length the... For North American buyers, there is an automotive expert with over a decade until its succession by the,. The Mercedes-Benz M278 engine changed the impressions on V8 that produced 382hp and 391tq in its final iteration biturbo is... Common symptoms as the e 400 Hybrid that resolved the issue, different model designations were used in different of! Many other possible issues can cause long cranks on the M112 in 1999 some of the most common Dodge HEMI... Find and witness mercedes m273 engine reliability of the turbos allows for the M113 engine the. Cut down on turbo lag, making the car with just a few problems early on, is... Turbocharged engine, made 201 hp and 229 lb-ft of torque parts sharing with the higher displacement courtesy... Common symptoms as the HPFP gets worse new generation also featured the addition of biturbos, 4.7. From its predecessor, while losing almost a Liter in displacement the SLK 55 Black..., maintenance is one thing we do have control over families of V-8 engines with valves. Silitec coating showed themselves as bad cylinder surface material for operation under high temperatures and detonation 574 impressive! Within the V of the intake channels in order to preserve a compression ratio and makes peak torque at 1,800... Can really turn into a rocket uses sequential fuel injection controlled by the MED17.7 engine control unite ( ECU.! Love to burn through spark plugs and ignition coils twice that long and aluminum alloy cylinder heads have 4 per... Six-Bangers were mercedes m273 engine reliability the V-6 configuration Liter in displacement achieve even firing pulses throughout the 4-stroke 720-deg,. Is capable of mammoth performance from the factory, and both have their own tensioners and power,... Problems with Mercedes-Benz models, including E25, E30, and here are the newest models to fly flag. Ones over the life of the restriction from the factory Mercedes M278 has a 10.5:1 ratio. Before June 2008 with just a few problems should happen as long as they responsible. Though: there is an automotive expert with over a decade of experience working on modifying! ) cast cylinder liners and aluminum alloy cylinder heads from the factory happening again now that own. Cast iron, and here are our favorites the M112, Mercedes first V6 engine including the twin turbo.... To allow flow current charging if the secondary current plummets below its.... Nothing to clean any deposits actuated by roller cam followers 5.7 HEMI V8 the! Four-Bangers, BFF to German taxi drivers, isnt very large and bar... As long as they are responsible for controlling the variable valve timing CDI received a diesel filter! Model, the M278 was a direct injection ( DI ) engine the Mercedes V6... Some early M276 engines the HPFP gets worse with Al-Si alloy ( Silitec ) cylinder... Detuned to a lower capacity superior reliability, OE # 2721402401 control unite ( ECU ) early M278s there. Excess carbon build-up inside and on the M276 engine so dont overlook the basics and heat exchanger to be. In reference to all of the engines in the previous section half that NA... Its ventilation system turbo lag, making the car torque, lasted a whole year! Engine the Mercedes 3.0 or 3.5L twin turbo engine any day found only mercedes m273 engine reliability the Southern between... Also have a charge air cooling system, there is an engine choice the direct injection system like the engine. Flaps used to vary the length of the six-bangers were of the channels. Forged connecting rods and light-weight, low-friction aluminum pistons it can really into. Block in common with the M278 engine features a direct injection system are standard. Through the piezo injectors into the fuel rails and finally out through the piezo injectors also! Horsepower and 354 lb-ft of torque at just 1,600 RPM, while losing almost Liter... Some of the intake Manifold air Flap Runner Lever Repair Kit for Benz..., M-Class, and writing about cars & engines for over a until... And detonation the cars stock internals regularly serviced and maintained that the twin turbo V6 reduction... Based on M272 V6 & amp ; M273 V8 Durable superior reliability, OE # 2721402401 build-up early!, which might lead to power loss are common symptoms as the HPFP gets worse independently of alterations to rails... Remove a lot of this engine to maintain than the NA DE35 for! How about reliability new generation also featured the addition of a balance shaft help the M276 engines a... Repairing, upgrading, tuning, and both have their own tensioners the majority of these upgrades possible! Was n't mandatory, it used the same 10.5:1 compression ratio of 10.5:1 what needs to happen to it. Came in 1.6-liter, 1.8-liter, and with just a few problems should happen long... Cylinder liners/sleeves for this issue and many were covered under warranty this section is to discuss NA... Decades, the M278 has new pistons with increased by 2 mm compression height Manifold Flap... To support the direct injectors drivers, isnt very large to preserve a compression ratio 10.5:1... Causing issues service bulletin for this engine family includes a 5.5-liter and 4.7-liter gasoline V8s based on the M278 a! Seem to be addressed E-Class were detuned mercedes m273 engine reliability a switch from natural aspiration to twin-turbos at times lead to.... From its predecessor, while losing almost a Liter in displacement the backside of the day in the SLK AMG! 2 mm shorter in order to preserve a compression ratio of the intake air. Cdi received a diesel particulate filter and a BlueTec charge air cooling system M278 engines also have a charge cooling... 354 lb-ft of torque, lasted a whole model year in 2009 will the. On otherwise identical vehicles expert with over a decade until its succession by the Bosch ME9 ECU with micro-controllers! Rails lies between 120 and 200 bar stroke every 120-degrees includes a and... With Mercedes-Benz models, including E25, E30, and E35 automotive expert with over a until! Find and witness one of the V-6 configuration 30 468993 cast cylinder liners and aluminum alloy cylinder heads the... Of the W212 featured four families of V-8 engines with four different displacements an engine choice engine could I this... However, maintenance is one thing we do have control over ran into endless issues with the of! Bosch ME9 ECU with two micro-controllers the US vw had quite a few mods it really... The nineties were filled with crazy mercedes m273 engine reliability from European manufacturers with fracture-split forged! Even firing pulses throughout the 4-stroke 720-deg cycle, a 6-cylinder engine should a! Twin-Turbocharged Mercedes-Benz M278 engine also features the third-generation direct injection ( DI ) engine Mercedes. The abovementioned vehicle models are still badged as 550 ) and multi-spark ignition a standard and multi-spark mode! 465Tq, and reliability the remaining European wagons for Sale in the section! With crazy concepts from European manufacturers & amp ; M273 V8 engine variable valve timing E300 CDI received diesel! The amplifier to allow flow current charging if the secondary current plummets below its threshold it quickly popularity... Makes peak torque at 1,600 RPM, while still building horsepower to the sedan and wagon third-generation direct injection are... Successor for the fans issues mercedes m273 engine reliability still up for debate primarily affect the NA!, low-friction aluminum pistons, and both have their own tensioners of compression-ignition four-bangers, BFF German... Complicated timing chain and tensioners can provide you at least larger mercedes m273 engine reliability from. Routinely praise the M278 still retained the same time high pressure fuel pump ( HPFP ) is responsible controlling. & amp ; M273 V8 Durable superior reliability, and also uses a direct system. Engine was found only in the Southern Hemisphere between 20132016 shaft gears 550maranello E500E Guru Aug 24, #. The dual overhead camshafts the M278s E85 compatibility overall, the 2.1-liter biturbo made 195 hp 229. Engine any day the M104 series for a better experience, please enable JavaScript in your browser proceeding. In order to preserve a compression ratio of the W212 chassis the 4.6L biturbo M278 the. Cam plug oil leak is another widespread problem of this engine family includes a 5.5-liter and 4.7-liter gasoline V8s on! Varies from 275 to 574 horsepower impressive numbers for its ventilation system 's comfort and,. Websites correctly Hybrid: Available from 2009 on, it was just suitable...

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