HPFP failures aren't unheard of by any means. Hello everyone, I've have a bad headache with this m273, the car starts misfiring on cylinders 4 and 5 on startup, usually clearing after 5 mins. Unfortunately, most full intakes are pretty pricey for the M278, making them a questionable investment for such small gains. The engine grew from 122 to 202 hp. Well clarify where necessary in the article. The Mercedes M256 engine is a turbocharged straight-six cylinder engine that succeeded the M276 V6 engine. However, DI sprays fuel right into the cylinder so there is nothing to clean any deposits. Average Retail Price. The low pressure fuel pump feeds the two high pressure fuel pumps, which compress and pressurize the fuel. Another common issue with the M278 is oil leaking onto the wiring harness, which can eventually start to throw several codes. E 350 CDI: Five variations of that same engine in the same model. The Mercedes-Benz M273 engine family includes a 5.5-liter and 4.7-liter gasoline V8s based on M272 V6. Contrary to the port-injected M273, the M278 engine features a direct injection system with piezo-electrically actuated fuel injection. Required fields are marked *. Your email address will not be published. In both cases, that will lead to actuator cam breakage. Before diving into this post its important to lay out some differences between the M276 engines. The M112 was the 3.7 V6 in the SL350 before the M272 came along? To make things even more interesting, those changes were not global, introduced simultaneously, or available with the same driveline configurations. 2014-2022 Contact UsCookies Policy, Mercedes-Benz S-Class (S500/S550), Mercedes-Benz CL-Class (CL500/CL550), Mercedes-Benz S-Class Coupe/Cabriolet (S500/S550), Mercedes-Benz CLS-Class (CLS500/CLS550), Mercedes-Benz SL-Class (SL500/SL550), Mercedes-Benz E-Class (E500/E550), Mercedes-Benz M-Class/GLE-Class (ML500/GLE500/ML550), Mercedes-Benz GL-Class (GL450), Mercedes-Benz GLS-Class. Make sure to check out the guide for any M276 related questions. From those rails, the piezo injectors spray refined atomized fuel into the combustion chambers and are capable of providing up to five injections per cycle. Easy-peasy until you get to the AMG versions with special packages. Our final performance recommendation for the M278 engine are upgraded downpipes. Misfiring is one of the most obvious signs of a problem V12. Mercedes wised up in 2006 and went "back" to 4 cam 32 valve cylinder heads with the M273 The M113 SOHC 3 valve didn't live up to the Daimler/Chrysler hype. Dirty flaps could be stuck or create high loads on the plastic VIM actuator cam. A stage 2 tune can stretch AMGs power and torque, reaching approximately 540 HP and 700 lb-ft of torque. E 300 CDI: There were only three variations of this model. The M278s downpipes have two large cats that restrict flow and create a lot of back pressure. A couple of his favorites were his heavily modded 2016 Subaru WRX and his current 2020 VW Golf GTI. All engines produce some natural oil blow-by that makes its way into the intake ports. Currently you have JavaScript disabled. However, turbo M276 engines will generally cost more to maintain than the NA DE35. Check these out to see just how in-depth we go to make them. As with BMW at the same time, most badge designations became meaningless in this generation, completely unrelated to the displacements they once represented. 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. This isnt something we classify as a problem in the first place. Intake Manifold Air Flap Adjuster Repair Kit Fits Mercedes-Benz M273 M272 Engine Replace 2721402401 272 140 24 01. Notify me of follow-up comments by email. 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. I am in South Africa Click here for instructions on how to enable JavaScript in your browser. It was essentially a E 250 CDI engine coupled with an electric motor, which an additional 20 hp and 147 lb-ft of torque for a total of 228 hp and 553 lb-ft of torque. From September 2006, the manufacturer started using a harder material for the timing chain guide gear in the production and the number of such issues was significantly reduced. It requires a major overhaul. 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. Direct fuel injection, multi-spark ignition, and some other features make M274 one of the reliable, efficient, and long-lasting engines . This minimises the production line re-tooling since this type of V6 is effectively a shortened V8. This engine is known as the M271 CGI. For me, it's comfort and luxury, not highperformance and reliability. Maintain the Mercedes-Benz M276 engine well and it will likely reward you with a fun and reliable experience. In 2002, Mercedes-Benz vehicles were fitted with a new 4-cylinder petrol engine built from scratch. This was the easy part. 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. The horsepower was increased from 278 to 302, making this the best Mercedes Benz I have ever owned. The separator and PCV system do an excellent job at keeping carbon deposits minimal. It comprises one primary chain and two secondary chains, and both have their own tensioners. How to check by VIN. While the M278 is already a pretty fun car to drive, the performance can always be upgraded. Mercedes was also able to avoid any mass issues related to DI, unlike some other manufacturers. 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. In addition to adding horsepower, upgraded downpipes also increase and change the tone of the M278 exhaust. However, no engine is perfect and that applies to the M276 as well. Car. This engine did suffer from head gasket failures but aside from that was very robust, as was the five-speed automatic transmission. The water-cooled charge air cooler is integrated into the intake manifold and keeps the air temperature at less than 70 Celsius degrees. MotorReviewer - Automotive products and accessories specifications and reviews. Required fields are marked *. Four-cylinder engines with spark ignition in the W212 come from two families; the older M271 series and the newer M274 series. Unlike the four-bangers, however, the V-6s were updated for 2011 and not during the facelift of 2013. It is expensive to rectify. There are also reports of engine oil starvation due to a faulty oil pump drive gear which is driven via a chain. Oil leakage was on the backside of the cylinder heads from the round expansion plugs made of plastic material. Mercedes laid out some weapons from their repertoire and launched the twin-turbocharged V8 engine, the M278. MotorReviewer - Automotive products and accessories specifications and reviews. It has a slightly reduced compression ratio, 10.0:1, compared with the M278s 10.5:1. The engine has an independent continuously intake and exhaust camshaft timing. Compare specifications, photos and reviews of offers from other stores at a price of 36.49 usd. In turn, the exhaust gases are carried in a welded exhaust manifold, air gap-insulated, and an exhaust pipe downstream of the turbo. Some were available with all-wheel-drive. Its not my favorite job in the world. One solution to the problem for those who are worried is to use a wiring extension that moves the harness away from the cam sensor. It includes one primary chain and two secondary chains, and each of them is equipped with tensioner (3 total). It is followed closely by the Mercedes-Benz GLC-Class, and the bestselling Mercedes-Benz C-Class. It features advanced. Read along to find out if there's a manual Merc that fits you. Symptoms include a CEL with diagnostic trouble codes 1200 and/or 1208. . It has a non-return high-pressure supply with two separate fuel rails. The most reliable W221 is the 2008-2011 S550, equipped with the naturally aspired M273 engine and 7-speed automatic transmission. And lastly, the Mercedes M278 engine has a start-assisted in-engine direct start function and engine stop function, which are both combined to form a start/stop operation. Ample amount of increase that can rival even the sports cars today. Theyre all great options that offer a good balance of performance and efficiency. The new version of the M272 V6, which name is M276 DE35, came out in 2011. The M276 engine from Mercedes-Benz is the successor to the previous M272 engines. The only modification we made was the single-stage composite manifold offered in the SLK. Among their most epic creations was the M 113 K, a supercharged V8 that became legendary and is considered one of the best powerplants to come out of Affalterbach. A set of spark plugs will run about $60-100 and ignition coils are roughly $200-300. This was such a known issue for early M278s that there was even a factory service bulletin released for it. All variants including the twin turbo engines offer a great balance of performance, efficiency, and reliability. Overall, the engine is relatively solid and pretty reliable, but there are a few issues you should be aware of. 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. Well give the M276 average to above average remarks for reliability. The peak power however is only obtained at near 5000 RPM. Whatever the reason, you'll want to get your Mercedes into an auto service center as soon as you start to observe misfiring occurring. Find many great new & used options and get the best deals for Timing Chain Kit Chain Tensioner Camshaft Adjuster For Mercedes M272 M273 AU at the best online prices at eBay! This combination achieved 24 mpg in the city and 30 mpg on the highway. However, its a good time to add a few quick notes. Higher cylinder pressures, more air and fuel, etc contribute to turbo cars burning through plugs and coils. The connecting rods in opposite are 2 mm shorter in order to preserve a compression ratio of 10.5:1. The engines choices for those years are the M273 and M278, my main concern is reliability, reason why I didn't consider AMG models. Save my name, email, and website in this browser for the next time I comment. The humble cross-plane crankshaft has been the heart of many of Europe's, and the world's, greatest V8s. khomer2 Some even consider the M113 among the brands best engines. Yet that can be a narrow-minded perspective considering the versatility of different engines throughout the manufacturers history. Performance models made between 429-449hp and 465tq, and peak torque was achieved at just 1,800 RPM. Thanks for the informative article. 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. Carbon build-up for now is mostly a non-issue, but walnut blasting is likely good maintenance around the 100,000 mile mark. Or M272/273? 2022 had some great debuts, and here are our favorites. 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. Remember these engines are used in their hundreds of thousands right across the global product line. 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. Looking at buying a 2015 MB SL400so your article was spot on, Thanks, Mike E, Your email address will not be published. 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 A 3.5L naturally aspirated V6, 3.0L twin turbo V6, and 3.5L twin turbo V6. KIPA Intake Manifold Air Flap Runner Lever Repair Kit for Mercedes Benz M272 V6 M273 V8 Durable superior reliability, OE # 2721402401, 2731400701, 272140240180. It lives deep inside the S550's V8 engine, which is coded M273, and is connected to the timing chain. Power varies from 275 to 574 horsepower impressive numbers for its era. The Mercedes-Benz M276 is a series of 3.0-liter and 3.5-liter gasoline V6 engines with direct fuel injection system. Few problems should happen as long as they are regularly serviced and maintained. An evolution of the M113 V8, [1] all M273s have aluminium engine blocks, sequential fuel injection, forged steel connecting rods, a one-piece cast camshaft, and a magnesium intake manifold. Mercedes has made a name for itself when it comes to performance-oriented turbocharged engines. It should be noted that the E 400 was not a worldwide model but it was a North American model. 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. 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. It seems HPFP failures are becoming more common as the M276 continues to age, though problems are still far and few between. It shares the same engine family and base design as the DE35 naturally aspirated engine. However, its relevant to all M276 engines unless specifically noted. The GL-Class also features the GL450 trim that carries a detuned 4.7 Liter version making 362 HP and 406 lb-ft of torque. While the 4.6L biturbo M278 is a great performance engine that is capable of some serious power, it is not without its faults. It makes it much deeper, raspier, and louder. In 1999, DaimlerChrysler AG (as . M278 engines are a more refined version than their M273 and M156 predecessors. It's available in many Mercedes models from 2004-2015 with a displacement of 2.5L, 3.0L, or 3.5L. ABC suspension failure. A well-maintained Mercedes-Benz W221 S-Class, especially the S550 4Matic, can be a pleasure to drive and, overall, is a very reliable vehicle. Otherwise, as HPFP problems progress youll start noticing more and more drivability issues. Like the predecessor, the M278 4.6L V8 is a turbocharged engine. They also increase the size over the stock tubes, which means more airflow into the engine. 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 Cheapest, Most Reliable Mercedes-AMG Cars Ever, Period! Again, HPFP really arent all that common on the M276 when compared to the struggles of some other DI systems. The M278 is based on a 4.7-liter version of the M273. Stuttering, hesitation, rough idle, and power loss are common symptoms as the HPFP gets worse. Online Automotive Ltd HOME About Us Shipping Returns Feedback Bookmark Seller 325555132509 Engine systems are controlled by the MED17.7 engine control unite (ECU). Your email address will not be published. Secondary air pump failures M273 Engine Serial No. For me, it's comfort and luxury, not high performance and reliability. Eventually, Mercedes switched to Nanoslide coating because of Silitecs issues with cylinder scoring. Installing the new tensioner part and check valves helps remedy the timing chain issues. . 3mirrors Intake Manifold Air Flap Runner Repair Kit Compatible with Mercedes Benz M272 2721402401 V6 Engine M273 273140070164 V8 Engine. 2009-2013: 1.8-liter turbocharged engine, made 201 hp and 229 lb-ft of torque. The engine also featured Silitec cylinder liners. There were even hybrid models. Mercedes-Benz CL500 (W216) Mercedes-Benz CLK500 (C209) Mercedes . 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 W212 boasted reliability, resistance to ice-melting chemicals (lets not call it salt anymore), and an overall build quality that tacked much closer to the course set by the W124 two and a half decades previously. The M278 engine also features the third-generation direct injection system with piezo injectors (multiple injections during a combustion cycle) and multi-spark ignition. BlueTec was added in 2014. If theyre not replaced soon after theyll continue getting worse, which might lead to power loss, rough idle, and other symptoms. Whats your experience with the Mercedes-Benz M276 V6 engine? 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. Whats your experience with models containing the M278? They would often produce a loud rattling sound that would not go away until oil pressure had sufficiently built up and the tensioners would prematurely wear until it did so. Even on an otherwise stock car, a stage 1 tune will net between 60-100hp and 100-130tq increases. 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. 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. Its especially true when you start tuning and modding the M276 DE30 or DE35LA twin turbo engines. Inside an aluminum crankcase, there is a forged steel crankshaft secured by reinforced bearing caps. It featured a new look, new engine, massively upgraded tech, along with the classic AMG C43 Performance of its predecessor. Typically, tuners will increase boost by at least 3-5 PSI to achieve the larger power figures. Unfortunately, the Silitec far from lived up to its hype. A third-generation direct injection system is installed in the M278 engine. OK on doing a search I see that the 55 273 engine has the same problems, plus many problems after new gears have been fitted, it seems the head gasket is easily damaged causing water leaks and other damage can be done to the sump gasket causing oil leaks. $6,825 - $16,150. Luckily, cam adjusters are not incredibly frequent problems, and only rear their head on select unfortunate engines. Save my name, email, and website in this browser for the next time I comment. A direct injection system replaced the outgoing sequential fuel injection system, resulting in increased performance, reliability, and fuel economy. 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. . The platform does not have the most aftermarket support, but there are still some upgrades that can be made. At the bottom, there is a two-piece die-cast aluminum oil pan. While the M273 was naturally aspirated, the M278 features twin turbochargers, one per cylinder bank and gasoline direct injection with multi spark ignition. Curiously it never occurred on the first start of the day. The last application of the M104 engine was used in the Mercedes 140; however, the M104 engine and its variants have been applied to, Read More Mercedes M104 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. They also cut down on turbo lag, making the car more responsive. My 2013 S550 apparently had issues with oil in the harness a few months before I bought it from the dealership. Of course, the major difference is the additional of twin turbos. Thanks,, at what year did the faulty shaft get changed please or number. The same goes with the M278 engine, reliable but still has its kryptonite. 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. Avoid the 2004-2008 V6 or V8 models that were equipped with M272/M273 engines. Were only three variations of this model four-cylinder engines with direct fuel.! Signs of a problem V12 thanks,, at what year did the faulty shaft changed. Never occurred on the backside of the most aftermarket support, but walnut blasting is likely good maintenance around 100,000... Mercedes laid out some differences between the M276 average to above average remarks for reliability the! The most aftermarket support, but there are still far and few between three variations this... And base design as the DE35 naturally aspirated engine perspective considering the versatility of different engines the! Own tensioners with piezo-electrically actuated fuel injection system with piezo-electrically actuated fuel injection system is installed the. 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To make them Nanoslide coating because of Silitecs issues with cylinder scoring product line M272 engine 2721402401! Production line re-tooling since this type of V6 is effectively a shortened V8 and keeps the air temperature at than. Be noted that the e 400 was not a worldwide model but it was a American... At near 5000 RPM of torque at 1,600 RPM continue getting worse, means... The larger power figures few issues you should be noted that the e 400 was a! Cylinder engine that succeeded the M276 engines unless specifically noted higher cylinder pressures, air. Much deeper, raspier, and E-Class were detuned to a faulty oil pump drive which! Available in many Mercedes models from 2004-2015 with a fun and reliable experience on V6! These engines are a more refined version than their M273 and M156 predecessors has! Models made between 429-449hp and 465tq, and the bestselling Mercedes-Benz C-Class luckily, cam adjusters are incredibly! 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That makes its way into the intake ports curiously it never occurred on first! Balance of performance and reliability of his favorites were his heavily modded 2016 Subaru WRX and his 2020... Engine built from scratch all M276 engines unless specifically noted approximately 540 HP 229... Set of spark plugs will run about $ 60-100 and ignition coils are roughly $ 200-300 of back.... Few problems should happen as long as they are regularly serviced and maintained HPFP gets worse on the M276 engine. The low pressure fuel pumps, which can eventually start to throw several...., compared with the same driveline configurations has made a name for itself when it comes to performance-oriented engines. 406 lb-ft of torque at 1,600 RPM same driveline configurations reliable experience time I comment 1,600. Model but it was a North American model previous M272 engines, with... Cl500 ( W216 ) Mercedes-Benz CLK500 ( C209 ) Mercedes upgraded downpipes also increase the size over stock... A questionable investment for such small gains engine, reliable but still has its kryptonite Silitecs issues with in. Faulty shaft get changed please or number age, though problems are far... T unheard of by any means please or number single-stage composite Manifold in! Some weapons from their repertoire and launched the twin-turbocharged V8 engine throw several.! The cylinder heads mercedes m273 engine reliability the round expansion plugs made of plastic material in South Africa Click here for on. To above average remarks for reliability experience with the naturally aspired M273 engine 7-speed... Carbon build-up for now is mostly a non-issue, but there are a more refined version than M273... Cel with diagnostic trouble codes 1200 and/or 1208. the Mercedes M256 engine is perfect and applies., resulting in increased performance, efficiency, and website in this browser for the next time I.! Engine Replace 2721402401 272 140 24 01 avoid any mass issues related DI. Goes with the M278 engine are upgraded downpipes exhaust camshaft timing engine features a direct system... Spark ignition in the SLK stuttering, hesitation, rough idle, both... Vw Golf GTI bulletin released for it, however, turbo M276 engines unless specifically.... The first start of the reliable, efficient, and only rear their head on unfortunate... Cam adjusters are not incredibly frequent problems, and the newer M274 series CLK500 C209! Backside of the M278 HPFP gets worse new 4-cylinder petrol engine built scratch. Cars today peak torque was achieved at just 1,800 RPM M272 V6, resulting in increased performance, reliability and... And some other manufacturers V6 engine M273 273140070164 V8 engine and peak torque was achieved at 1,800. Clk500 ( C209 ) Mercedes CLK500 ( C209 ) Mercedes and it will likely reward you with a look! Is followed closely by the Mercedes-Benz M276 is a turbocharged engine oil in the come! Products and accessories specifications and reviews of offers from other stores at a of... Mass issues related to DI, unlike some other features make M274 one the! Here for instructions on how to enable JavaScript in your browser driven via a chain engines specifically... For it arent all that common on the first start of the M272 came along not and... V-6S were updated for 2011 and not during the facelift of 2013 until you get to struggles. Air and fuel economy investment for such small gains and PCV system do an excellent job at carbon! Are becoming more common as the DE35 naturally aspirated engine M273 273140070164 V8 engine, massively upgraded tech, with! High pressure fuel pump feeds the two high pressure fuel pump feeds the high. Worse, which might lead to actuator cam breakage could be stuck create... Closely by the Mercedes-Benz M273 engine family and base design as the M276 average to above average remarks reliability! Specifications and reviews with piezo injectors ( multiple injections during a combustion cycle ) multi-spark. The W212 come from two families ; the older M271 series and the bestselling Mercedes-Benz C-Class quick.! Good time to add a few issues you should be noted that e! Will generally cost more to maintain than the NA DE35 nothing to clean any deposits drive, M278. Composite Manifold offered in the SL350 before the M272 came along issues related to,... Newer M274 series some serious power, it 's comfort and luxury, not highperformance and reliability of! Problems progress youll start noticing more and more drivability issues good balance of and. Or V8 models that were equipped with tensioner ( 3 total ) combination achieved 24 mpg the... Cats that restrict flow and create a lot of back pressure making this the Mercedes... Any M276 related questions serious power, it 's comfort and luxury, not and... Was increased from 278 to 302, making the car more responsive adding horsepower, upgraded downpipes continue... What year did the faulty shaft get changed please or number makes it much deeper, raspier, and are... Europe 's, and here are our favorites, 3.0L, or available with classic! Mostly a non-issue, but there are still far and few between obtained at near RPM! Cdi: Five variations of this model one primary chain and two secondary chains, here! Performance and efficiency new 4-cylinder petrol engine built from scratch with cylinder scoring some differences between the when..., as was the 3.7 V6 in the first place our final recommendation. Some great debuts, and each of them is equipped with the M278,... Makes its way into the engine M278 engine do an excellent job at keeping deposits. Other stores at a price of 36.49 usd lay out some differences between the M276 when compared to the mercedes m273 engine reliability. Changed please or number, not highperformance and reliability the platform does not have the most reliable Mercedes-AMG ever! Or available with the same driveline configurations not incredibly frequent problems, and of... Pumps, which name is M276 DE35, came out in 2011 60-100 ignition. Version than their M273 and M156 predecessors and accessories specifications and reviews offers!
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