This article is in reference to all of the engines in the M276 family. 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. However, the Silitec would lead to problems, which we will address later. It first became available in the 2011 Mercedes S550, 2011 CL550, and 2011 CLS550 models. The only downside is that the engine tends to become weak inside, particularly the cylinder walls. While the new enthusiast market is under threat, here are the newest models to fly the flag for the fans. It should be noted that the E 400 was not a worldwide model but it was a North American model. The wagon has sharply fallen out of favor in the US thanks to the rise of the crossover SUV. Its in the following Mercedes-Benz models: In 2013, Mercedes took the M276 to a new level with a smaller twin turbo design. Theres just one family of engines: the OM651-series, based on a 2143cc engine with Delphi controls. The biturbo setup for the M278 features twin Garrett MGT1752SM turbos that run 13 PSI (0.9 bar) of boost. Both the left and right secondary chain tensioners are replaced and check valves are installed. Required fields are marked *. 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. The Mercedes-Benz M273 engine family includes a 5.5-liter and 4.7-liter gasoline V8s based on M272 V6. 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. Bonus question: In terms of repair costs and maintenance, how does the w218 CLS compare to the w212 and w221? Exactly when this will cause issues is still up for debate. Its difficult to judge a model that was introduced less than a decade ago; but, according to the above-mentioned criteria, we can safely say the 20102016 W212 E-Class improved on the W211. Of course, the major difference is the additional of twin turbos. It seems more and more cases pop up as some of the early engine keep aging. Free carbon neutral shipping on US orders $50+. As a direct injection (DI) engine the Mercedes M276 V6 uses a high-pressure fuel system. I cannot find cylinder liners/sleeves for this engine. Poor design caused oil starvation issues to occur on startup, and cold starts were especially hard on the secondary timing chains. ABC suspension failure. Though, excess deposits can cause performance and drivability concerns. The primary issue is to do with the timing chain tensioner and check valves. The W210 E-Class of the mid-90s fell well short of the W124 it replacedin reliability, longevity, cost of ownership, resistance to rust, and just about everything else. The M278 engine is much more fuel efficient that the M273 engine it replaces. Required fields are marked *. Engine: 5.5 liter V8. The Mercedes M273 engine is naturally aspirated, while the M278 has twin turbochargers, one per cylinder bank, producing at least 13 psi boost pressure. To achieve even firing pulses throughout the 4-stroke 720-deg cycle, a 6-cylinder engine should produce a power stroke every 120-degrees. The Alusil cylinders, unfortunately, cannot be honed. 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. It's available in many Mercedes models from 2004-2015 with a displacement of 2.5L, 3.0L, or 3.5L. The coolant lines for the turbos have a tendency to leak from time to time. Another benefit of tuning is that your tuner can utilize the M278s E85 compatibility. 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. The M278 engine has a forged steel crankshaft with eight counterweights and rotates on five main bearings. Both engines had a serious fault that was only resolved three years after the introduction of the W220 successor, the W221 S-Class. E 63 AMG: Despite its relatively unchanging exterior, the hot rod of the group had several changes under the hood. The M273 engines are generally reliable and solid units, as long as you follow the manufacturers service schedules, and use a good quality oil to ensure longevity. With FSS paper filters are fine." "229.51 is only approved for diesel engines." Because I just changed my oil last week and put in part 0-40 and part 15-50 and my engine definately feels sluggish. Save my name, email, and website in this browser for the next time I comment. Otherwise, we discussed spark plugs and ignition coils to highlight the fact turbo engines can be a bit harder on maintenance. While the bottom end of the M278 engine is incredibly stout and solid, there are some minor problems on the top end. The engine also featured Silitec cylinder liners. Performance models made between 429-449hp and 465tq, and peak torque was achieved at just 1,800 RPM. While the 4.6L biturbo M278 is a great performance engine that is capable of some serious power, it is not without its faults. Eventually, Mercedes switched to Nanoslide coating because of Silitecs issues with cylinder scoring. Oil was seeping through the harness from the electrical connectors from my cam sensors and cam magnets before I bought the car. If you run into this problem out of warranty then Mercedes may be willing to work with you and help with the repair bill. Maintain the M276 well and its likely to be an excellent, reliable engine that you can enjoy for years to come. The connecting rods, crankshaft, and valves are all forged, while the hyper-eutectic pistons, crankcase, and cylinder heads are all cast aluminum. The, Read More Mercedes C43 vs C63 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. However, no engine is perfect and there arent any exceptions here. Top Mercedes DIYs. Dealership tells me they didnt make pigtails for the cam position sensors because they dont leak oil into the wiring, they only made them for the cam magnets on older engines. The M278 is a 4.6L biturbo V8 that originally produced 429hp and 516tq, but by the end of its production cycle horsepower had been bumped up to 449 for some models. Early build M278 V8s had some problems with the timing chain tensioners causing a rattle on start up. Finally, you should get a check engine light and fault codes indicating the fuel pump isnt keeping up with the intended flow and pressure. Theyre naturally aspirated but do utilize direct injection and a high pressure fuel system. I hope that this discussion cleared some confusion in your head regarding the Mercedes M278 engines architecture, issues, applications, potential, reliability, and overall impact on the automotive industry. In 2010, as a replacement for the M273 engines, Daimler AG introduced the 4.6-liter V8 twin-turbocharged Mercedes-Benz M278 engine. Car. The M273 engine also features four valves per cylinder and double overhead one-piece cast camshafts (DOHC). Overall, the engine is relatively solid and pretty reliable, but there are a few issues you should be aware of. A 3.5L naturally aspirated V6, 3.0L twin turbo V6, and 3.5L twin turbo V6. Secondary air pump failures Some other changes that the M78 has undergone are an increase in the adjustment range for the variable valve timing system. Any thoughts about M119? Does it have a biodegradable wiring harness, how about the transmission type? In the Fall of 2010, Mercedes-Benz introduced their new M278 V8 engine to a lot of hype and fanfare. KIPA Intake Manifold Air Flap Runner Lever Repair Kit for Mercedes Benz M272 V6 M273 V8 Durable superior reliability, OE # 2721402401, 2731400701, 272140240180. The check valves help minimize oil drainage from the tensioners, alleviating earlier issues. CLICK FOR DETAILS: 2007 Mercedes-Benz S550 on eBay. With an angular exterior and a no-muss interior, the W212 still looks modern and has many desirable features, and has finally reached attainable pricing. Downpipes are available with either catless or high flow cat options, but keep in mind catless downpipes are really meant for competition or track days, and they are considered illegal for street use. First introduced by Mercedes in the 2005 SLK, the new generation of Mercedes engines was a stark departure from what was produced decades prior. The M276 had a 90-degree V-shape aluminum cylinder block with Al-Si alloy (Silitec) cast cylinder liners and aluminum alloy cylinder heads. However, its a good time to add a few quick notes. Remember these engines are used in their hundreds of thousands right across the global product line. In addition to adding horsepower, upgraded downpipes also increase and change the tone of the M278 exhaust. . The current sleeves are badly scored There are also many that mention a cylinder 5 misfiring and premature wear of the Silitec aluminium/silicon low-friction cylinder liners. There was also a wagon version (S212), coupe (C207), and cabriolet (A207). 135, When Porsche asked if a car could live forever, 6 cars that Hagerty readers hope to find under the Christmas tree. Oil leakage was on the backside of the cylinder heads from the round expansion plugs made of plastic material. For me, it's comfort and luxury, not highperformance and reliability. The M157 features twin Garrett MGT2260SML turbos that run 13-14.5 PSI (0.9-1.0 bar) of boost, depending on the application. In 2017, we campaigned an M272-equipped C300 in the AER series. Unfortunately, it is the balance shaft gears that show up with glitches for most Mercedes-Benz E-class models with the M272 engine built during the period of 2004-2008. And addition to that, the camshaft sensor suffers from oil getting into the engines harness. It was only available in the rear-wheel-drive configuration, and was offered in North America from 2013. It doesnt necessarily mean theyre truly common issues that affect a large percent of Mercedes M276 engines. Versus Ferrari F8 & Lamborghini Huracan Evo Cammisas Ultimate Drag Race Replay, Ultra RARE: Colin Chapmans Lotus Eleven + 327 Corvette Stingray with 4-speed | Barn Find Hunter Ep. This tuning can increase your HP and torque numbers from the 402 HP and 443 lb-ft torque into a 510 HP and 531 lb-ft of torque a monster number, though, really huge difference. 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 lifespan is likely about half that of NA engines. The solution is to replace them with OEM and hope they do not fail again, as the aftermarket has not yet come up with a viable and affordable solution. Power remained unchanged. E 400 HYBRID: The most interesting gasoline V-6 engine. Mercedes actually issued a service bulletin addressing these problems. The engine is equipped with fracture-split, forged connecting rods and light-weight, low-friction aluminum pistons. The basic Mercedes M278 engine has a displacement of 4,663 cc with a cylinder bore of 92.9 mm, a piston stroke of 86 mm, and a compression rating of 10.5. Mercedes also offers multiple variants of the M276 a 3.5L NA, 3.0L twin turbo, and 3.5L twin turbo. Anyways, what happens is the M276 secondary chain tensioners dont receive adequate oil flow on start up. 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. As we discussed, there are a few different variants of the M276 including the DE35 NA, DE30 twin turbo, and DE35LA twin turbo. High-flow panel inserts can be used in conjunction with intakes for the best flow (short of getting a full intake kit). The M273 engine also features four valves per cylinder and double overhead one-piece cast camshafts (DOHC). hbspt.cta._relativeUrls=true;hbspt.cta.load(3867393, '13f0880f-a4d7-45ef-b212-169a84bd06a5', {"useNewLoader":"true","region":"na1"}); Kyle is the Mercedes Catalog Manager at FCP Euro and has been with the company since 2014. Exactly ^ my sensors have been replaced already and upon checking all 4 are filled with oil again causing no codes but the engine to lose responsiveness, What year make and model car do you have? It has sodium filled exhaust valves for optimal heat reduction, and also uses a direct injection system like the M278. Find the best prices on Left Intake Manifold Gasket - Compatible with 1997 Mercedes-Benz E420 and read product reviews. Get it as soon . BlueTec, often just referenced as Blue, implies the use of a selective catalytic reduction (SCR) system that injects diesel exhaust fluid (AdBlue). Power was down the M152 compared with both the M157 and M278. The Mercedes-Benz M276 is a series of 3.0-liter and 3.5-liter gasoline V6 engines with direct fuel injection system. Buy KIPA Intake Manifold Air Flap Runner Lever Repair Kit for Mercedes Benz M272 V6 M273 V8 Durable superior reliability, OE # 2721402401 . thank you With the relatively heavy diesel engine and the very heavy hybrid system, this was not as successful of a configuration as it might seem. Join for Ratings and Reviews. The M273 was a naturally aspirated 5.5L V8 that produced 382hp and 391tq in its final iteration. The M278 engine has two cylinder banks, each with a designated turbocharger with wastegate control placed within the cylinder banks. To clear off space on the shelves, we're is bringing you the Winter Garage Sale with our lowest prices of the year. Inside the cylinder bore is cast-in Silitec cylinder liners. The new V8 was used in many expensive models of the German manufacturer in the 2000s, such as W211, W221, and X164. The worldwide variety of W212 engine choices was so rich that we decided to compile a list. The Cheapest, Most Reliable Mercedes-AMG Cars Ever, Period! Its just something to consider for those less familiar with turbo engines. The M278 is derived from the company's previous M273 V8 engine, sharing its bore pitch, aluminium engine block, and Silitec aluminium/silicon low-friction cylinder liners. The bottom end is practically bullet proof and can handle gobs of power, and the biturbo configuration delivers immediate power everywhere throughout the power band. This wasn't mandatory, it was just more suitable for continuous high RPM operation thats common in a racing environment. This guide will focus on everything we know about the Mercedes M278 engine, including its specifications, design, performance, and common problems. 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