M278 cylinder scoring

M278 cylinder scoring. While the M278 engine had 92. Apr 3, 2023 · In this video, we discuss a common issue we have been seeing on Mercedes M278 & M157 AMG V8 Biturbo engines up to production date 12/2013. The connecting rods in opposite are 2 mm Jan 7, 2024 · 6. Both engines share the same die-cast full aluminum cylinder block with 90-degree V-angle and Silitec low-friction cylinder liners. Mar 11, 2016 · Twin-Wire Arc Spray. Mercedes Benz M276 Engine Introduction Overview Manual: Describes engine components, operation, specs Application: M276, M278 DE and KE Variants Download: 30. Once we took May 13, 2014 · P030884 Combustion misfiring of cylinder 8 has been detected. In V6 or V8 engines in MB this is the right (passenger) side. 7-liter V8 out of an ML550 and finds serious issues inside the cylinders. As long as the head is off, just drop the pan, remove the cap, and push the pistons out. Melling HP Sleeves are made from centrifugally-cast, high-strength gray iron. Wall Thickness: 1/8". 9 mm bores and an 86. For all engines, however, the cylinders were spaced at 106. 5 liters (3499 cc) with a bore of 92. it runs much worse in limp mode than when misfiring Oct 8, 2023 · 70 posts · Joined 2008. Both engines share the same diecast full aluminum cylinder block with 90-degree V-angle and Silitec low-friction cylinder liners. Engine get's noisy and you begin to use oil. Mercedes used the M278 engine in various models, including some E-, S-, CL-, CLS-, ML-, and GL-Series offerings. 6L Turbo engine diagnostics and repair due to misfire on one of the cylinders. 56 in) for use in higher-performance models. At 55k (1 year later) I did a 2nd oil About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Jan 1, 2023 · Does anyone have documentation on when Mercedes switched from Silitec-lined cylinders to Nanoslide coating in the M278 engine? Would be helpful to owners if there was an engine number that we could rely on from which the switchover began. Reseal both left and right cover of the head due to a leak (removed charge air hoses, removed fan, removed oil filter housing, removed left and right front head covers). Rattling noise after engine start for several seconds. and ploughing of the aluminum matrix by the fractured silicon particles in the wear track. It is loosely based on the M137 naturally aspirated V12 sold between 1998 and 2002, and retains its SOHC, 3 valves per cylinder, twin-spark ignition layout, but differs with the addition of structural reinforcements to the engine block 2014 GL450 with M278 Misfire. [1] The engine has two BorgWarner turbochargers positioned between the two cylinder heads in a "hot-V" configuration. #7 · Oct 10, 2023. I restart the car and it is fine. New fitting part number is 278-200-21-52 and the o-ring part The M157 is the second variant of the M278 and is tuned by Mercedes-AMG with a bore and stroke of 98 mm × 90. Engine harness oil backfeed, #1/#5 misfire due to cylinder head warping, cylinder scoring, timing chains, coolant lines, front cover leaks. I asked what all that meanthe said, it means its time to get rid of it, trade it, do somethingbut it was not worth fixing. The fuel injection system uses Bosch's new piezo-electric direct fuel injectors that Jan 11, 2023 · I wouldn’t own an m278 after reading this. Mine is around 36k, and it just got back from the dealer with the #7 cylinder scoring diagnosis. As of March 16th 2015, Engine number start : 2789xx 30 266191, Mercedes change over to cast iron cylinder barrels. Put spark plug in spark plug socket, tigheten to specifications, in the case of m278 17 pound feet, approximately tight plus a quarter turn. i dont want shit popping on the highway and messing up other “Mercedes Benz M278 V8 engine used silitec cylinder barrels for many years. Guy's, I'm needing your assistance on this one. Along with new pistons and rings of course to match. Although typical thickness is . recycling the power resets the process. **4. has a displacement of 3. they're a nightmare in the long run. We’ve recently talked about the V8 M278 engine problems here on Life On Four, and we think it’s only fair we take a closer look at his smaller V6 brother, the Mercedes M276 engine. org Forums GL Class (X166) - Cylinder #5 Misfire SOLVED - 2013 GL550 with the M278 Biturbo Engine For those of you looking into a 2013 or early Model X166, besides bringing it for a pre-purchase inspection, I would recommend scanning for any engine codes or stored Oct 26, 2022 · Had to remove the vacuum pump to get access to the fitting, but otherwise a fairly easy repair. . It was brought on by a loss of lubrication, which may result from an oil shortage or overheating. Engine Gaskets Seals Overhaul Rebuild Kit. GM uses 1,3,5,7 and 2,4,6,8 beeing number 1 in the left side, so for GM Bank 1 is on the left side and bank Dec 4, 2023 · As a case in point, I Do Cars tears apart the Mercedes-Benz M278 twin-turbo 4. Jul 26, 2008 · Johnny Mullet. Output is 302 hp (225 kW) at 6500 rpm with 273 ft·lbf (370 Jul 25, 2022 · Own or looking to purchase a Mercedes-Benz with the M278 Twin Turbo V8 Engine? Watch this video to learn about the most common issues of this engine and the May 27, 2008 · S. 5:1 versus 10. Cylinder Head Right M278 CLS 500 Mercedes CLS Class W218 R2780163201. mercedes_m152-m157-m278_engine_ser1_07. Pictures tell a thousand words. 6L M278 Turbo Engine Misfire May 16, 2020 | Mercedes-Benz Mercedes-Benz GL V8 4. Make sure the head gasket holes are correct. Jan 9, 2024 · As many of you may or may not know, Mercedes Benz M278 V8 engine used silitec cylinder barrels for many years. I did research and found M278 is less reliable and much more expensive to fix, compared with M273, I am hesitated to trigger it. 0 mm bores and a 90. Altering your M278 cam will make a dramatic difference to the engine engines power. Competition camshafts, raise the top end May 3, 2019 · Mercedes-Benz GL V8 4. Things were simply done differently in the 1990s and the M119 is the best example of German overengineering. The V8-family includes: M113 E43, M113 E50, M113 E55, Feb 7, 2024 · 3. Feb 6, 2022 · I found this Mercedes bulletin in another forum, it has the serial number under m278. 9 psi versus the BMW N63's 11. According to Eric, the issues with engine bore scoring are also present in the AMG variant of this powerplant that goes by the internal moniker M157. As to be expected, my extended warranty company is trying to get out of it. Opens in a new window or tab. Cylinder Bore Scoring. Compatible with all ring material, this "HP" iron has less carbon and is alloyed w. $ 39,204. 6 to 5. 6L V8 Right Engine Cylinder Head OEM W/O Cams Nice! at the best online prices at eBay! Free shipping for many products! Dec 4, 2023 · As a case in point, I Do Cars tears apart the Mercedes-Benz M278 twin-turbo 4. taking your usable core we will bore it from 4. I am new to Harleys. The M278 has new pistons with an increased compression height of 2mm. For the S-Class and CL-Class, power is 400 kW (544 PS; 536 bhp) at 5,500 rpm with 800 Nm (590 lb-ft) of torque at 2,000-4,500 view all petrol gasoline & diesel engine manuals. M278 Engine Cylinder Full Gasket Kit For Benz C218 W221 W166 X166 V8 4. Nov 14, 2019 · Severe wear manifests itself as cylinder bore and piston scoring with the formation of grooves . 7-liter version of the M273. Insert boot back on. May 17, 2018 · There are two paths here "after" the OP makes sure it is the headgasket that is leaking (I doubt that too for these engines) (1) Drain the coolant below the head level and remove and replace the head bolts as specified. 10-P-056435. I Do Cars tears apart the M278 twin-turbo 4. Aug 31, 2019 · We would like to share a video on Mercedes-Benz V8 278 Process of Rebuilding Engine. 7L V8 4Matic Complete Engine 58K Mi!! W/Warranty at the best online prices at eBay! Free shipping for many products! Sep 21, 2012 · The N63 on the other hand is rated at 400 horsepower and 450 lb-ft of torque. Aug 25, 2020 · Remove coil with special tool. Once the oil loses its lubrication properties, it can no longer May 6, 2021 · The M278 is based on a 4. Be sure to stagger the rings. He said its either a broken valve spring or wristpin. equities. 004”-. Any paper things look good, including service records. Camshaft Adjuster & Camshaft Failure: The M278 engine employs variable camshaft timing for improved performance and efficiency. We will add a set of TunedMercedes multi-port oil injected ceramic ball bearing turbos Mar 24, 2024 · The Mercedes-Benz M275 engine is a twin-turbocharged and intercooled, all-aluminium, 60° V12 automobile piston engine family used in the 2000s to the 2010s. According to Eric, the issues with engine bore scoring are also present in the AMG isp. 9 mm and stroke of 86 mm. . #1 · May 27, 2008. This engine overheated which caused internal engine noise. Made up of 500 individual stocks representing the market capitalizations of large companies, the S&P 500 Index is a leading indicator of large-cap U. The ultimate straw was cylinder scoring and that was after timing chain tensioners, turbo cooler lines and a few other smaller issues. Within the cylinder bores, the M152, M156 and M278 engines had cast-in Silitec May 3, 2024 · Length: 7". Still, I'd prefer newer to older, otherwise the M278 is consider a decent engine, you get 402hp vs 382hp on reliability on 100k mile 12-14 cls550 (m278) ive been researching and im getting kinda overwhelmed so im deciding to make a new post. Jan 30, 2024 · Ditch it. USD $9. $52. According to Eric, the issues with engine bore scoring are also present in the AMG Mar 23, 2004 · Car. In most cases where there is damage to the cylinder bore such as scoring, the bore can be bored out to provide an undamaged surface for the plating. Thoroughly Change Engine Oil (M278) Cylinder Bore Piston Stroke Jul 29, 2016 · Are you tired of hearing your Mercedes-Benz engine rattle during a cold start? We've got you covered! In this video, we'll show you how to install a check va Jan 23, 2006 · Bank 1 refers to the bank to which cylinder number 1 belongs. This problem first shows up as 5 second metallic rattling on start-up, which indicates that the timing chain tensioners aren’t doing their job as they should. LI05. Due to the "water" in the oil, 3 bearings rods were thrown. Dec 24, 2022 · Cylinder wall scoring is the damage to cylinder walls from severe friction. Bore size, stroke, and bore pitch are identical. It would probably need a new block and they run $12000. Jun 14, 2022 · M276 Camshaft Adjuster replacement. My 2013, E 350 (58,000 miles) needs replacement of the left (bank 2), intake camshaft adjuster. Engine 2768: Up to engine 2768xx 30 001281. 05. Choosing a higher performance cam profile raises the engines power accordingly. I have been having an issue with the check engine light coming on followed by a idle hesitation and zero to sluggish power. We are #17 on the list for motor replacement (short block). The M276 V6 isn't immune from this problem, either. or Best Offer. 7-liter V8 from an ML550 and finds severe issues inside the cylinders. This issue occurs due to oil starvation in the cylinder heads on start-up. 6 psi max boost pressure. Oct 30, 2023 · 2015 GL 450 M276 motor, DE30LA variant I believe. Suffice to say the M278 V8 TT is a hard no from me. Jul 9, 2019 · The notes in the system state they found, "a white milky substance, appears to be water, foamy". My M276 non-TT has been bulletproof for the 30k miles I have driven (82k miles now). Symptoms of the P0305 code include an The CLS550 is newer and has the M278 engine which was a cousin of the M276 which had good reviews but for some reason the M278 occasionally suffers from cylinder scoring, but it's somewhat rare but toasts the engine if it happens to you. Sep 14, 2023 · Changing knock sensors on a 2016 S550 4matic coupe M278 engine. I could be wrong, but I think there are better options for engine oil. 6T 4. The engine wear in this vehicle was a result of keeping oil long past the interval. The Mercedes-Benz M276 engine is a direct injected, V6 gasoline automotive piston engine. 45 46. misfires for a few minutes until CEL flashes and enters limp mode. Scanned my 2015 GL450 after doing motor mounts a few days ago. It happens about six times a year (every other month on average). of torque — 12 percent more horsepower and 32 percent Mar 14, 2024 · Hate to say it but, sell it. The forums are littered with posts about cylinder scoring. If you flog them too hard for too long, crate engine issues happen. Code is current and can't be cleared. 00. MB names the cyl 1,2,3,4 in one bank and 5,6,7,8 in the other, while some manufacturers name the banks different. Making more than 400 horsepower, the expensive V8 was sourced from a 2013 ML 500, which Feb 3, 2021 · Concern for high mileage m278 engine. 0 mm intervals. The later model M278 engines did not have the problem. Please send VIN number or confirm original part number. By the way, I have already installed the recommended oil check valves in the engine block, and new chain tensioners for both banks during a prior project to address cold start engine rattle. 99. The M278 is a POS, sorry to say that. Similar to the way carbon fiber is made, NANOSLIDE produces lighter, stronger, and smoother material by process of interweaving the melted wires. 2. org Forums GL Class (X166) - Cylinder #5 Misfire SOLVED - 2013 GL550 with the M278 Biturbo Engine For those of you looking into a 2013 or early Model X166, besides bringing it for a pre-purchase inspection, I would recommend scanning for any engine codes or stored view all petrol gasoline & diesel engine manuals. ME - Motor electronics 'MED177' for combustion engi-ne 'M276' (N3/10) P030485 Combustion misfiring of cylinder 4 has been detected. The M176/M177/M178 is a petrol V8 engine range designed by Mercedes-AMG, replacing the M278 and M157 engines, and is based on the M133 engine. S. Sep 27, 2018 · M278 engines up to number 278 9xx 30 103675 (February 2013) M157 engines up to number 157 9xx 60 022333 (December 2012) Unfortunately, the production of the Mercedes-Benz W221 stopped soon after the check valves were introduced. Replace any cam sensors that are leaking oil. 5 days ago · An electronically traded futures contract one fifth the size of standard S&P futures, E-mini S&P 500 futures and options are based on the underlying Standard & Poor’s 500 stock index. However, if the cylinder is severely damaged, such as a hole, it could require more extensive repairs, such as a cylinder sleeve, head gasket replacement, and engine reassembly. I did some research and it seems like this is common on a lot of MB engines. The Mercedes motor also has slightly under 300cc's more displacement and the stock turbos max boost pressure is 12. 7L**Want to see a particular engine torn down? I may have already done one! No really, check out my other videos for the engine you'd like to see! I've m Dec 5, 2023 · Mercedes used the M278 engine in various models, including some E-, S-, CL-, CLS-, ML-, and GL-Series offerings. $15k for a used engine. We ditched my wife’s 2014 GL450 (which she loved) due to cylinder scoring. Dec 4, 2023 · As a case in point, I Do Cars tears apart the Mercedes-Benz M278 twin-turbo 4. The power unit is offered only in one volume, but in different degrees of forcing. 5-liter predecessor, the new 4. 5liter bi-turbo) in my short commute, daily driven ride. There is a signal above the permissible limit value. The first piston rings had a diamond-like Jul 25, 2022 · Own or looking to purchase a Mercedes-Benz with the M278 Twin Turbo V8 Engine? Watch this video to learn about the most common issues of this engine and the symptoms to look out for. Based on what I'm reading, I think I can assume this engine has the upgraded camshaft drive and check valves and doesn't have the balance shaft issues. Things don't start off well. Add antiseize to threads optionally. The bore size, stroke and bore spacing are identical. According to Eric, the issues with engine bore scoring are also present in the AMG Oct 19, 2010 · Known within the company as the M278, the new V8 features direct fuel injection, twin turbochargers and multi-spark ignition. Rent or purchase a honing stone and hone the cylinders and re-ring it. Feb 6, 2008 · They ran a compression test on cylinder 5 and it is losing pressure at 3500. This is the Aluminum-silicone cylinder treatment. The M278 twin-turbo V8 engine in the second generation GL 450 has been known to suffer from scoring or excessive scratching of the cylinder bore surface. Download: MB M276 Engine Introduction Into Service. M278 engine. ME - Motor electronics 'MED177' for combustion TunedMercedes End Game 1400 HP Kit M157 M278 Engine Upgrade. May 16, 2020 · Mercedes-Benz GL V8 4. 6 posts · Joined 2008. Apr 19, 2023 · Ditch it. Cylinder #5 Misfire SOLVED - MBWorld. 16. 7T. The M278 has new pistons with increased by 2 mm compression height. Remove Spark Plug with special tool. I'd like to confirm the sensor locations for cylinder bank 1, sensor 2… & cylinder bank 2, sensor 2. 17mm special spark boot tool. To confirm an issue, disconnect the electrical connector and inspect for oil contamination. ” • 01243 – Cylinder Head Left • 05202 – Exhaust Valve • 01241 – Cylinder Head Right • 01223 – Valve Guide Intake Valve • 01224 – Valve Seat Intake Valve • 05201 – Intake Valve Parts: • Cylinder Heads - A157010590080 (M157), A2780107603 (M278), A2780107703 (M278), A157010600080 (M157) Feb 2, 2024 · Find many great new & used options and get the best deals for 2017 Mercedes W222 S550 M278 4. Based on its highly successful 5. Jan 11, 2023 · I wouldn’t own an m278 after reading this. However, the camshaft adjuster can fail over time, causing excessive rattle noise on startup, issues with the variable valve timing system, and in serious cases, may even cause damage to the camshaft causing an extended crank on startup, or even a no-start. Get access to our best features Get Started Mar 5, 2023 · Mercedes M276 Engine Problems (V6 Petrol – 300, 400, 43 AMG) March 5, 2023 by Jure Hodnik. at 55k i changed the oil and put a cheapo boroscope into cyl 5 (known to be the first cylinder to show wear) and as you can see there is some minor scuffing. C350. P06DA00 Code, M276 Engine, Need Clarification. Lowest Price Guarantee. The previous owner put a used motor in it and the work was never fully completed. Any diagram would be helpful, thank … read more Feb 13, 2023 · Just like the M278, the early 2011 and 2012 model year engines suffer from timing chain tensioner issues. If oil is present, thoroughly clean the connector and let it dry. Also, we did a leak test and found that is it leaking into exhaust so that tells us that there is problem in the head. Sep 8, 2022 · Apparently the '19 motors (and other close years), have a well known flaw that causes scoring in cylinder 7. I maintained that vehicle meticulously. Downvoted for telling the truth lol. ms-motorentechnik (719) 100%. Make sure the check valve is still in the block. The M276 engine is a successor to the M272 engine. This problem can occur in the older model years from 2013 to 2014, or before the V8 was replaced by a turbo V6 in the GLS450. Dec 6, 2023 · Eric got a hold of the 4. Next diagnostic steps - This car runs rough - misfires on the passenger bank of cylinders (1-4). 95. 5 mm (3. Pay particular attention to the wear markings on the cylinder liners adjacent to the studs. View Details. 86 in × 3. May 2, 2019 · 1. Engine 157: Up to engine 1579xx 60 047752. Watch this vide The 4. 7L version of the M273. The compression ratio on the Mercedes M278 is also higher at 10. This means that nearly all (if not all) Mercedes-Benz W221 models with the M276, M278 and M157 engines are affected. 040” or 1mm thick, however the plating can become brittle if applied too thick. We did pressure test and had low compression in the cylinder number six. page Cylinder scoring (very serious) Pre-2013 Timing chain problems; Various oil leaks; Mercedes-Benz M119 Engine – V8 – 400, 420, 500, E60 AMG (1990s) The Mercedes M119 engine is undoubtedly one of the greatest V8 engines ever. 10. Possible causes for the P0305 code include issues with the ignition system, fuel system, or engine mechanical problems. Sep 24, 2023 · Mercedes M278/M157 engine teardown to bare block. $60k for a new engine. On the 722. Jul 13, 2021 · The P0305 code stands for “Cylinder 5 Misfire Detected,” which means the powertrain control module (PCM) has counted enough misfire events on cylinder 5 to store the misfire code. For minor damage, such as minor scoring or grooves, the repair process may be as simple as boring, honing, and polishing the cylinder, which can cost between $200 and $400. My wife’s 2014 GL450 (m278) with similar mileage was starting to cost us quite a bit in maintenance. I think I am starting to see why. Noticed I'm getting one fault code P06DA00. Feb 21, 2008 · Switch one good coil to the misfire cylinder in a swap and see if the problem moves with the coil. Add dielectric boot grease to end of boot and spark plug boot area. For Mercedes-Benz M278 4. 7-liter M278 bi-turbo V8, the predecessor of the M178 found in the Mercedes-AMG GT. 005” (0. There were also some issues with premature valve guide wear. 0:1 for the BMW N63. Jan 29, 2024 · Additionally, the engine may run roughly for a brief period upon starting. Mercedes-Benz NANOSLIDE is a process in which iron and carbon wires are melted together and onto the surface of a cylinder. Estimated to ship direct from manufacturer in 24hrs. I pulled off the cylinder heads on a 05' Sportster and this is what I found. ohlord:bowdown: 00-02 drivers side self dimming heated mirror. Pre-Owned. pdf. 5 to 5. There are six states of output with the M157. The M278 engine contains four cam sensors. Mar 17, 2012 · m272 misfiring on 4, 5, 6 (bank 2) as title says. $1,618. Find many great new & used options and get the best deals for 2011-2020 Mercedes M278 4. Ok, I've found a 2015 350 with the M276 with great maintenance records. (2) Do not remove the bolts and just do a quarter turn (or 1/8th) on all with the sequence. 8 and Dyne Performance out of MN USA will build the engine with MID Sleeves and IRP Gold Internals. I bought the car with 50k miles with fresh dealer oil. Fast road camshafts commonly raise the power through the rev range, you might lose a little low down torque but the top end will be better. Typically, scoring happens when one or more piston rings fail, and a small amount of movement is Sep 13, 2021 · I have a mercedes m157 engine (5. I have seen a few threads related to the M278 reliability. 0 mm stroke for a capacity of 4663 cc, the M152 and M157 AMG engines had 98. 6-liter V8 engine has 20 percent smaller displacement but generates 429 horsepower and 516 lb. Hello, I am considering a 2013 S550 4Matic with almost 200k-km. The M278 is based on a 4. until CEL flashes and enters limp mode, can power the car through the entire RPM range without the misfiring getting and worse or better. 13 mm), the plating can be applied up to . 6-liter V8 twin-turbocharged Mercedes M278 engine was introduced in 2010 as a replacement for the well-known M273 engine under the hood of the popular E, S and GL class models. 9 transmission, the only thing that ever Jun 21, 2021 · Like the M278, it featured an aluminum block and cylinder heads, receiving a forged steel crankshaft and conrods connected to hypereutectic-cast pistons. There is a signal below the permissible limit value. 1-0. 1/16. 5 mm stroke for a capacity of 5461 cc. mercedes-announced-n-4_1600x0w. New Topics. Hi, my name is***** the M278 engine, there have been some problems with the timing chain tensioners causing a rattle on start up. 10 Timing chain drive, toothed belt drive 11-12-2015. Jul 25, 2010 · Cylinder locations (Plug pair) on the V8 engines are as follows; Right side, Front to Back -- 1,2,3,4 Left side, Front to Back --- 5,6,7,8 (Right side is Passenger side for US vehicles) If I remember correctly the V6 engines are as follows; Right side, Front to Back -- 1,2,3 Left side, Front to Back -- 4,5,6 Apr 24, 2024 · Product Description. Add To Cart. 0, or from 5. -ft. scathed Discussion starter. I actually suspect Mobile 1 European car formula 0W – 40 oil is not the best oil for that engine. Apr 3, 2024 · S-Class (W221) - Low compression on cylinder 3. Following on from my Complete M271 and M272 engine threads here is “The complete M276” thread. 7T V8 CLS500 E550 GL450 GL500 ML500 S500 SL550. 5 mb, 85 pages, Format: . if not then swap the connector and see if it moves with that,that way you can track down what part it is. ive read the airmatic is one of the main issues, i dont mind replacing it as long as its not going to put me in a shitty situation if that makes sense. Change the transfer case input shaft seal (removed lower engine panels, detached drive shaft, removed cross memeber, removed transfer case and replaced input shaft seal). Oil leakage is another thing to look out for. qn nl go xp il kr vi ti yn wl