Upgraded downpipes remove a lot of the restriction from the OEM units and greatly reduce back pressure. Turbo engines love to burn through spark plugs and ignition coils faster than naturally aspirated engines. Given that 468993 was the first unit with the harder sprocket (and if MB increment the engine number by one), then 142,852 'ok' units were built prior to 2007. Alternatively with which engine could I replace this engine with? The M273 engine also features four valves per cylinder and double overhead one-piece cast camshafts (DOHC). As mentioned earlier, the inside of the M278s cylinders were lined with Silitec, a hyper-eutectic aluminum-silicon alloy that is cast into the aluminum cylinder to reduce friction, lower heat, and reduce wear. Whats your experience with models containing the M278? The Silitec coating showed themselves as bad cylinder surface material for operation under high temperatures and detonation. MotorReviewer - Automotive products and accessories specifications and reviews. The biturbo design gives instant throttle response, and the optimized VVT seriously adds performance in the higher RPMs. The Mercedes-Benz M278 engine or family of engines is derived from Mercedes previous model, the 4.7 Liter M273 V8 engine. 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). Intakes and downpipes especially benefit from added tuning, which will prevent the engine from running too lean and experiencing detonation. . The M276 DE30 and DE35LA are still awesome engines all around. Some even consider the M113 among the brands best engines. 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 Dealer told me they replaced the harness, the ECU, oxygen sensors, cam magnets, cam sensors and a few more parts the oil got to. The M278 has new pistons with increased by 2 mm compression height. The coolant lines for the turbos have a tendency to leak from time to time. 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. 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. JavaScript is disabled. 3mirrors Intake Manifold Air Flap Runner Repair Kit Compatible with Mercedes Benz M272 2721402401 V6 Engine M273 273140070164 V8 Engine. Compression was raised to 12.6:1 to accommodate the lack of forced induction, but it featured the same bore and stroke. Other than the issue of the wear on that timing gear, and odd problems with camshaft solenoids, these are pretty good. For a V8 engine, it may seem so underwhelming by the numbers given by the M278 engine. Compare. Eventually, Mercedes switched to Nanoslide coating because of Silitecs issues with cylinder scoring. In 2002, Mercedes-Benz vehicles were fitted with a new 4-cylinder petrol engine built from scratch. It quickly earned rave reviews from critics and enthusiasts, who praised, Read More 5 Best AMG C43 Performance UpgradesContinue, The Mercedes-Benz M272 is a V6 engine tasked with replacing the M112, Mercedes first V6 engine. The separator and PCV system do an excellent job at keeping carbon deposits minimal. Cam adjusters are important on the M278 because they are responsible for controlling the variable valve timing. But in reality, the M272 and M273 engines actually check all of the marks offering smooth operation and strong, reliable power. The check valves help minimize oil drainage from the tensioners, alleviating earlier issues. The M278 engine has a forged steel crankshaft with eight counterweights and rotates on five main bearings. 35% Off Spare Parts. This iconic engine was the first V6 ever created by Mercedes, soon followed by the M113 V8, also introduced to the market in 1998. Drive as low as 4,8L/100km on highway, 1500rpm at 120km/h. To clear off space on the shelves, we're is bringing you the Winter Garage Sale with our lowest prices of the year. E 200 CDI: Single turbo model, made 134 hp. The majority of these features were also shared with the M276 V6 engine, which was announced with the M278 at the same time. It seems more and more cases pop up as some of the early engine keep aging. The connecting rods in opposite are 2 mm shorter in order to preserve a compression ratio of 10.5:1. It has a non-return high-pressure supply with two separate fuel rails. Mercedes M278 really good project engines and with carefully picked modified upgrades like remaps, turbo improvements and camshafts you will greatly increase your driving opportunities. 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. 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. Changes to coupe and convertible body styles, along with engine choices, varied independently of alterations to the sedan and wagon. The high-pressure pump is located at the rear end on the right intake camshaft and drives by 4 additional cams. 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. Downpipes will typically add about 20-30whp/wtq on the M278, with about 5whp more for catless versions. Engine Specs Manufacturer Stuttgart-Bad Cannstatt Plant Production years 2004-2013 Cylinder block material Aluminum Cylinder head material Aluminum Fuel type Gasoline Fuel system Fuel injection Configuration So far, spark plugs have been replaced, fuel pump was tested, ignition coils were tested, compression test done and ok . Click here for instructions on how to enable JavaScript in your browser. 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 cylinders are arranged in a V configuration with 106 mm space intervals between them. It is not very well known for its reliability, as many drivers reported extensive issues with timing components, the intake manifold, and oil leaks. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Introduced in 2004, it is based on the M112 V6 introduced in 1998. For a better experience, please enable JavaScript in your browser before proceeding. The Silitec liners undertook a deck plate honing process that involves mounting a deck stress plate on the cylinder heads to imitate the crankcases assembly and associated static deformation. The Mercedes M276 twin turbo engines are proving to be pretty reliable, though. While the factory intake is adequate, aftermarket intakes will add about 5-15whp while increasing induction sounds. Theyre all great options, Read More 4 Common Mercedes M276 Engine ProblemsContinue. This causes power loss, but its usually very hard to notice since it occurs slowly over the years. for perfect performance - Premium materials and high-precision curing processes for perfect shore hardness and superior reliability - Majority of valve cover gaskets sold as kits for improved . Furthermore, the machine has cast aluminum pistons, and fracture-split forged connecting rods. Or M272/273? Also, there were some problems with premature valve guide wear, but later engines don't have that issue. A high-output version debuted in 2017 with an even more impressive 362hp and 384tq. Introduction. Inside an aluminum crankcase, there is a forged steel crankshaft secured by reinforced bearing caps. Inside the cylinder bore is cast-in Silitec cylinder liners. There are also many that mention a cylinder 5 misfiring and premature wear of the Silitec aluminium/silicon low-friction cylinder liners. 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. The intake manifold is made of an aluminum-magnesium alloy and it has tumble flaps providing a variable length of the intake channels. This combination achieved 24 mpg in the city and 30 mpg on the highway. Mercedes reliability on the various models does depend a lot on which engine and transmission as some are renowned for issues and others are equally renowned for no issues. Maintain the Mercedes-Benz M276 engine well and it will likely reward you with a fun and reliable experience. The 72-degree, 3.0-liter V-6 CDI had only a single turbocharger but several different power variations. In the single-mode, the ignition coil will charge to a particular primary current, and, during firing, the current would be shut off to produce a spark. With the chosen piezo injection valve mated with the correct ignition timing, the first compression stroke of the cylinder could be employed for controlled combustion. It is installed on the Mercedes-Benz W203, W204, CL203 (C-class), W211, W212, C207 (E-class), R171, R172 (SLK . So if you want to tune your M278 engine, you will need to undergo the machine in stage 1 intermediate tune. If they start to fail then you will experience various symptoms like: an illuminated check engine light, stored fault codes or even loss of power, poor idle/misfires, eventually stalling. The M278 has a biturbo design with one turbo for each bank, which massively improves efficiency and performance. The M278 is based on a 4.7-liter version of the M273. The M272 and M273 could be found in all of the model classes (minus the Maybach) and were offered in 2.5, 3.0, 3.5, 4.7, and 5.5-liter variants. Exactly when this will cause issues is still up for debate. Many argue that the issue is completely benign and not a big deal, while others say the exact opposite. First introduced by Mercedes in the 2005 SLK, the new generation of Mercedes engines was a stark departure from what was produced decades prior. Poor design caused oil starvation issues to occur on startup, and cold starts were especially hard on the secondary timing chains. Get it as soon . Notify me of follow-up comments by email. It was unable to due with the high temperatures and occasional detonation events of the M278 engine, and would cause serious wear on the valve guides. The M273 was a naturally aspirated 5.5L V8 that produced 382hp and 391tq in its final iteration. 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. 27296630611845. The M278 is capable of mammoth performance from the factory, and with just a few mods it can really turn into a rocket. Use high quality oils, change fluids on time, and fix issues if and when they pop up. 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. E 63 AMG: Despite its relatively unchanging exterior, the hot rod of the group had several changes under the hood. Theres just one family of engines: the OM651-series, based on a 2143cc engine with Delphi controls. That should cover everything you need to make a decision whether or not you want to get into one of the many awesome Mercedes with the M272/M273. 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. I'm not sure of the year but mine is a '57 with engine no. Regardless, boost does take a toll on some wear and tear items like spark plugs, ignition coils, etc. JavaScript is disabled. The Mercedes-Benz M273 engine is a V8 automobile piston engine family used in the 2000s (decade). M272/M273 Balance shaft replacement. The Mercedes M256 engine is a turbocharged straight-six cylinder engine that succeeded the M276 V6 engine. The M278, and its V6 brother the M276, were the successors to the outgoing M272/3 engines. Some were available with all-wheel-drive. Insanity. $39.99. 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. Sometimes there are flaws or premature failures that occur, but its very rare on any of the M276 engines. When the Mercedes V6 high pressure fuel pump starts failing youll notice quite a few symptoms. This leads to the rattling sounds until oil pressure builds up enough. The reliability of some Mercedes-Benz vehicles has been questioned, while another model on their lineup has been praised for being highly dependable. The M278 improved upon the outgoing M273 in a variety of ways. From the factory, the M278 already makes 429-449hp on the performance models, but with some tuning and E85 you can easily see triple-digit gains. 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. It has sodium filled exhaust valves for optimal heat reduction, and also uses a direct injection system like the M278. However, HPFP problems can and do occur on the Mercedes M276 engines. Because of these changes, these engines produced greater power with reduced noise and emissions compared to the preceding M112 and M113. E 250 CDI: Available from 2009 on, the 2.1-liter biturbo made 195 hp and 369 lb-ft of torque at 1600 rpm. Much of the increased performance over the previous generation is due not just to the biturbo aspiration, but also the addition of direct injection. E 200 NGT: There were two versions, each designed to run on gasoline and compressed natural gas. The high pressure fuel pump (HPFP) is responsible for delivering fuel at incredibly high pressures to support the direct injectors. Theyre all great options that offer a good balance of performance and efficiency. HPFP failures on the Mercedes M276 certainly arent nearly as common as the latter examples. The M273 engine also features four valves per cylinder and double overhead one-piece cast camshafts (DOHC). Engine systems are controlled by the MED17.7 engine control unite (ECU). Finally, you should get a check engine light and fault codes indicating the fuel pump isnt keeping up with the intended flow and pressure. Read along to find out if there's a manual Merc that fits you. It also allowed for some of the cylinders to be deactivated at partial load, greatly improving gas mileage. Sign up for the latest automotive news and videosin short, everything for people who love cars. The M278 has new pistons with increased by 2 mm compression height. This oddball engine was found only in the Southern Hemisphere between 20132016. Which one you pick is up to you. Thanks for the informative article. How reliable is the Mercedes M276 V6 engine? Avoid the 2004-2008 V6 or V8 models that were equipped with M272/M273 engines. The Mercedes-Benz M278, M157 and M152 were 90-degree V8 petrol engines that were introduced in 2010 to replace the M273 and M156 engines. Those same engines ran into excess carbon build-up as early as 40,000 to 60,000 miles. Intake Manifold Air Flap Adjuster Repair Kit Fits Mercedes-Benz M273 M272 Engine Replace 2721402401 272 140 24 01. Mercedes also offers multiple variants of the M276 a 3.5L NA, 3.0L twin turbo, and 3.5L twin turbo. Its available as a 4.3, 5.0, 5.4, and 5.4L supercharged engine. 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 air filters should be replaced every 30,000 miles, according to M-B service information. E 400 HYBRID: The most interesting gasoline V-6 engine. This would wear over time and cause the camshafts to go slightly out of phase and cause an engine management fault. The Mercedes M273 engine is naturally aspirated, while the M278 has twin turbochargers, one per cylinder bank, producing at least 13 psi boost pressure. A bi-turbo setup with decent displacement can provide you at least larger coming straight from the factory. Rating . 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? There are also reports of engine oil starvation due to a faulty oil pump drive gear which is driven via a chain. While the M273 was naturally aspirated, the M278 features twin turbochargers, one per cylinder bank and gasoline direct injection with multi spark ignition. A third-generation direct injection system is installed in the M278 engine. All engines produce some natural oil blow-by that makes its way into the intake ports. Bonus question: In terms of repair costs and maintenance, how does the w218 CLS compare to the w212 and w221? GENUINE FIRST LINE Engine Mount for Mercedes Benz SL500 M273.965 5.5 (3/06-1/12) - $72.13. For North American buyers, there is no one best engine choice. 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Is exacerbated on cold starts were especially hard on the Mercedes M276 engines 2004, it may seem underwhelming... Were equipped with M272/M273 engines sedan and wagon the w218 CLS compare to sedan! Cold starts some problems with camshaft solenoids, these engines produced greater power with reduced noise and emissions compared the! Less displacement, yet it generated 12 % more horsepower and 32 % more horsepower and %... The restriction from the OEM units and greatly reduce back pressure DE30 and are. Seems more and more cases pop up latest Automotive news and videosin,...