M157 oil in harness This fault code indicates high resistance or open in the circuit to Y130 oil pump control valve. Aug 29, 2025 · I noticed a leak at the back of the wiring harness of my M157 engine today. The magnet housing should also be resealed. I started the car (engine was cold, outside temp about 80 deg F), backed out of the driveway, saw the big streak, looked Oct 14, 2009 · Listed below you will find the labor hours to remove and install most major components. These are the fellows I'm talking about. This will cause a misfire. The TRUTH About 0W 20 vs 5W 30 Oil (50 Engines Tested!) Do Thin Oils Destroy Engines? Lessons From GM’s Massive Recall Maserati Technical Bulletin Date: June 26th, 2017 Bulletin No. Nov 7, 2025 · Item description from the seller Maserati Ghibli M157 Engine Wiring Harness 670154480 2. The M157 engine has its share of common issues. – MAS001282 ‐ Front Seat Wiring Harness Inspection/Replacement Recall Campaign ‐ 342 Supersedes: N/A Model: Levante (M161), Quattroporte (M156) and Ghibli (M157) Model Year: 2014, 2015, 2016, 2017 Subject: Vehicle Safety Recall Campaign 342 – Front Seat Wiring Harness Aug 26, 2025 · Enhance the performance of your Mercedes-Benz with this set of high-quality camshaft position sensors designed for M157, M278, M152, and M276 engines. Just replaced all spark plugs and a Driver's Side Coil Pack in my 2002 CL600 with 64k miles. WEISTEC M157 Turbo Upgrade Thank you for your purchase of the Weistec M157 Turbo Upgrade for your Mercedes 63 AMG equipped with the M157 Engine. Ask me how I know M278 tuned 135k This manual provides information on diagnosis, service procedures, adjustments and specifications for the Maserati Ghibli (M157) 2014+, with 3. 98 M157 Oil Filter Cover $ 9. You can easily prevent this mishap by installing sacrificial harnesses for about $100. Is this a common leak location? There is oil dropping on the connector, and I Jun 15, 2024 · There is also the issue of the coil packs and leaking oil into the ECU wiring harness through the cam magnets. Mercedes Camshaft Position Sensor Wiring Harness Protection Kit - Delphi Set of 4 Camshaft position sensors for M276 non-turbo, M278, M152, and M157 applications, to remedy camshaft position sensors leaking oil into the wiring harness. thanks. Car is a 2013, 63,000 miles, and dealer maintained. Item may show light scuffs, scratches or other imperfections as a result of thisbeing a used part. Whatever the reason why, it’s rare to see a 100k+ m278 without low compression on cyl 5 or 1 or both. It’ll throw a code to start with and after a few miles it’ll come back on, normally on start up. See Original Tags m157 m276 m278 oil wiring harness Jump to Latest 49K views 36 replies 20 participants last post by Rickman30 4h ago Danny@FCPEuro Discussion starter Looking into buying a 2014 E63S with around 85K miles. The actuation of the valve of the oil pump in the connection engine has an electric fault or open circuit The M278 and M157 Biturbo V8 Engines WILL BANKRUPT You! Let Us Show You WHY. 5 and at the back of the Mobil 1 Dec 4, 2010 · This is the story of my 2005 C230K (M271 engine). Rear Trunk Fuse Box w/ Wire Harness. Check these magnets and the surrounding wires they are on top of the motor and can be seen easily if the intake tubes are removed. oil will travel from camshaft sensor thru engine harness to ecm,if cleaning the harness don't work than only option to fix it is replacing entire engine harness Aug 16, 2022 · This was also a problem for the M276 and M157, the closely related variants of the M278. Follow it with a leakdown test. This replacement of the cam sensors should be roughly the INSPECT YOUR CAMSHAFT POSITION SENORS NOW FOR OIL LEAKING INSIDE AND THROUGH THE PLUG! MERCEDES PART# 276 905 1000 REPLACE WITH ONLY OEM MERCEDES PARTS!THIS Nov 1, 2009 · Engine Oil in my Wiring Harnessyou've got to be kidding me! Nope, not a joke. Upgrade your vehicle's engine parts with this Poor design of both can cause oil to wick down the harness and destroy all of the engine electronics and sensors. 0L RWD. This problem has plagued many MB engines, including the M157. Nearly all m278 and m157 engines get scored and damaged by overly hot intake gases from the turbo. Note: did see a LI/TSB indicating that the… Feb 16, 2025 · 11-20 For Mercedes Benz4. In this video, we cover what we see most in the shop like leaking water pumps, coolant system issues, oil fil Oct 6, 2010 · Hello, A friend of mine has a Mercedes CLS63AMG with the M157 5. Nov 24, 2019 · My engine light came on today and my wife took it to the local dealership. C-Class (W204) - C300 Catastrophic Oil Leak - Hi guys, new to MB's but not new to cars at all. My previous E55 used the same spec, recommended by my indy. Warranty claims submitted without supporting guided test results may be subject to debit. Oct 9, 2023 · My engine has had a known oil leak as shown in the photos. Took it in for service and the code they pulled was P06DA00. Found oil leaking through my camshaft position sensors into the wiring harness last week. Took it back to MB who For the M157 Owners, is there any major problems you’ve experienced with your engine after owning a m157 car. Some people have had success by just stripping back the stranded wire and soldering a few cms of it solid and taping it up. Aug 29, 2025 · Maserati Ghibli M157 Front Wiring Harness LHD 670008649 3. And if the owners actually get the engine up to operating temps and do some higher rpm pulls it also helps. Diagnose location of high resistance or open in Y130 circuit and repair as necessary. This DTC is referencing the oil pump valve located inside the engine oil pan. The loom is very cheap at around £20, but labour for cleaning all the oil out of the ECU and wiring could take a Aug 30, 2004 · The concerns were as follows: 1) Oil on ME connector pins and corresponding harness connector. 2013 Mercedes C250 with a slight misfire at idle, not fixed with plugs/coils. All you'll need are some simple hand tools and this handy DIY guide to $ 7. The video provides a step-by-step guide on how to fix a common Mar 3, 2019 · The cam magnet mechanism can leak engine oil into the wiring loom. 0L Starter Alternator Wire Wiring Harness OEM The injector replacement process involves more than an oil change but won't require a technical degree for easy completion. Includes replacement sensors and electronics spray for cleaning oil residue from harness. It provides an overview of the engine's highlights, including gasoline direct injection, turbocharging, and advanced cooling systems. CLS63s M157 Oil issue resolution. 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. Another failure mode mentioned was it getting stuck closed due to oil in the wiring harness preventing the solenoid from operating M157/M278 Oil Solenoid Mod – What It Does & Should You Do It? Never PISS OFF MIKE TYSON! When Iron Mike Tyson DESTROYED COCKY RATS For Disrespect! Part 2 The Technical Information available on this site is as follows: Workshop Manual Descriptions and Procedures Cycles Tests Special Tools codes Repair Times Manual Standard repair times Spare Parts Manual Spare Parts Codes Illustrations Wiring Diagram Control Units / Nodes Harnesses Earths Connectors Pin-out Functions Bulletins Technical Information Circular Letters Service Campaigns Recall Low compression cyl 5. Oct 18, 2019 · Hi what oil can I use for M157. The Mercedes-Benz M278[1] is a family of direct injected, Bi-turbocharged, V8 gasoline automotive piston engines. 5 V8 Biturbo engine and he’s been told the engine oil for this car should be 0W40 Mobil 1 Is this the correct one? I also checked the link that has been posted here and it showed for M157 229. Labor hrs. 0 Gasoline 243Kw 2022 This product data sheet is originally written in English. $95 hr. Regulate oil flow efficiently with the Genuine Mercedes Engine Oil Pump Flow Control Valve (part number 2781800415) for Mercedes E350, C300, ML350, S550, and more. There is an atmospheric version of the engine with a cylinder deactivation system and the M152 index. This manual provides information on diagnosis, service procedures, adjustments and specifications for the Maserati Ghibli (M157) 2014+, with 3. A quick and easy fix for a front timing cover / cam magnet leak for a Mercedes M276 motor. 7L engines and all 2012-2020 Mercedes engines that use these specific magnetic camshaft adjusters where oil destroys your factory engine harness after time. I see no reason why they can't provided the plug that attaches the cam sensor to the harness is the same. )=Labor cost. Free online viewing of Maserati Ghibli (M157) Wiring Diagrams and Component Locations PDF - full service manual in your browser. Capillary effect causes the oil to travel into the ECU. I tried to post this on the AMG section but, there was not an individual forum for W212 AMG models. Mercedes Camshaft Position Sensor Wiring Harness Protection Kit - Genuine Mercedes 2769051000KT1 C300, C350, CL550, CL63 AMG, CLS550, CLS63 AMG, & more Set of 4 Camshaft position sensors for M276 non-turbo, M278, M152, and M157 applications, to remedy camshaft position sensors leaking oil into the wiring harness. All M276’s, M278's and M157's should be the same or very similar, but this was done on my 2015 C400. Prevent costly repairs of $10,000 to $15,000 from oil ingress damage. Ridiculously long, don't read all of it, basic gist of it is that the oil pump goes into a low pressure mode at low engine load, which This Camshaft Adjuster Magnet Kit includes everything needed to prevent oil from being wicked into the wiring harness of V6/V8 Mercedes, exclusively the M278, M276, M157, M177, engine applications. Details of 14-20 Maserati Ghibli M157 OEM auxiliary water pump wiring harness w/ bracket Oct 20, 2025 · 2018 Maserati Ghibli M157 3. if theres oil in the connector, does that mean new wiring harness all together?? someone please post all parts needed to fix this damn problem. I lost 2-3 quarts in about 20 seconds. There is a Thread started about a year ago on MBworld thats has quickly Had a very unfortunate call today, one year after replacing the motor we have now found oil in the engine harness. 7L M278 engine vehicles, but found out there are other Mercedes engines that use Oct 10, 2023 · For the past two weeks the car has been trying to get my attention. This specific listing is for the 3 pin sensors. Poor design caused oil starvation issues to occur on startup, and cold starts were especially hard on the secondary timing chains. The Mercedes bros were adamant that MB direct injected engines don't get carbon. Regular oil changes are crucial to maintain lubrication, reduce wear, and keep the engine running smoothly. The M156 is used in a number of different applications/vehicles for Mercedes and is a common motor that is May 5, 2025 · Discover the power and pitfalls of the Mercedes M157 engine specs, oil capacity, and common issues every AMG owner should know. I have a 2013 C300 that sprung a major oil leak last night. Maintenance & Technical Data Service Scheduled service Engine oil Cooling fluid Hydraulic steering fluid Brake oil Gearbox oil Engine timing Engine coolant Hydraulic steering and gearbox oil coolant Engine timing check Front This Camshaft Adjuster Magnet Kit includes everything needed to prevent oil from being wicked into the wiring harness of V6/V8 Mercedes models, including the M278, M276, M157, M177, and others. Mercedes Camshaft Solenoid Wiring Harness Protection Kit - OE Supplier 2761560790KT1 This Camshaft Adjuster Magnet Kit includes everything needed to prevent oil from being wicked into the wiring harness of V6/V8 Mercedes models, including the M278, M276, M157, M177, and others. . X labor rate (i. 1 Set of Camshaft Position Sensor 3-Pin Harness (4 PCS). Jun 15, 2024 · What about the timing chain upgrade, an oil check valve recall (on early cars) and a dodgy sensor that let oil into the wiring due to a beautifully engineered seal on the M157? Sent from my iPhone using TapatalkAlready mentioned above. Four (4) Camshaft position sensors for M276 non-turbo, M278, M152, and M157 engine applications, camshaft sensors commonly leak oil onto the wiring harness. Fingers crossed its an open solenoid which will allow greater flow when unplugged. Includes replacement sensors as well as electronics spray for use on plugs of wiring harness in the case that oil is present. 9K Members Efthymi Papachristos Mercedes M157 Help & Marketplace Jun 16 Hello all, I recently came across a forum about unplugging or disconnecting the oil pump solenoid connector to ensure the engine is constantly running 4 Feb 7, 2009 · Anyone have part number for the "pigtail" wires. 5L V8 M157 Engine Motor Wiring Harness OEM - $589. I love mine, 2013 s212 s. 0 sold, 1 available. 11-14 MERCEDES W221 S63 CL63 AMG 5. IC pump always on, oil solenoid unplug, punch out the cats. Upgrade your vehicle's engine parts with this Mercedes M157 Petrol Engine Manuals The Mercedes-Benz M157 is a 5. Mar 21, 2023 · About this item √【Compatible with】:Camshaft Adjuster Magnet Harness Extension KitFits several 2011-2019 Mercedez with 4. I was having an issues with the CSP Sensor, and after looking they found it Engine Mercedes M157 DE55 The 5. I had the common problem that these cars can have after about 50K miles, or after 4-5 years of service, where the cam sensors leak oil into the main wiring harness of the car. Once you do that get a stage 2 tune for that $1k. The oil in loom happened on other engines as well Sent Mar 11, 2023 · It is a common failure on the 4. Includes replacement sensors and electronics spray for cleaning oil residue from Very popular for the cam magnets and cam position sensors to leak oil into the harness on the M157/278 and M276 Mar 7, 2023 · M133, M139, M157, M177, M256, M260, M270, M272, M273, M274, M276, M278 List of cars affected by this issue 2011 - 2014 CL550 2011 - 2014 CL63 AMG 2011 - 2017 S63 AMG 2012 - 2015 C350 2012 - 2015 May 5, 2025 · Discover the power and pitfalls of the Mercedes M157 engine specs, oil capacity, and common issues every AMG owner should know. 5 L (5,461 cc) petrol engine offering six states of standard output with additional AMG performance package upgrades, Produced from 2010-on The M157 is a great engine but its wiring harness suffers from oil intrusion. Mercedes Camshaft Solenoid Harness - Genuine Mercedes 2711500156 C230, C300, C350, CL550, CLK350, CLK550, & more Sacrificial harness used to protect the main engine harness and engine computer from solenoid oil leakage. Print out copies and keep them in your truck for quick reference. Could this be the smoking gun on the M157 Cylinder scoring, bent rods etc?THIS IS STILL IN BETA, CHECK OUT THE 1500+ POSTS OF TESTING AND RESEARCH IN THE ATT very basic and a bit clumsy video i made about changing the 4 cam shaft sensors on a 2015 Mercedes E63S with M157 motor and 47,000 miles. Looking into buying a E63s W212. I drove a 2000 W210 E320 for years and my father now drives a 2013 W212 E63 AMG (RWD, M157 Engine). 99 Jul 24, 2024 · So I've been reading which talks about the oil pump valve (controlled by a solenoid and switches between low/normal oil pressure at low/higher RPM) potentially getting stuck open so that the engine never receives the normal oil pressure (this kills the engine). 7L Camshaft Position Sensor 3Pin Harness Extension M278 | eBay Type: Camshaft Position Sensor 3 Pin Harness Extension Kit. Over time, several prevalent problems have emerged, affecting the engine's dependability and performance. This is suitable for use to tap into oil pressure housing, cylinder head, or block access (M112/M113/M113K/M156/M157). 5-liter bi-turbo Mercedes M157 engine was produced in Germany from 2010 to 2019 and installed on AMG modifications of the CLS-Class, E-Class, ML-Class, GL-Class and S-Class models. My Mercedes Camshaft Solenoid Wiring Harness Protection Kit - OE Supplier 2761560790KT1 This Camshaft Adjuster Magnet Kit includes everything needed to prevent oil from being wicked into the wiring harness of V6/V8 Mercedes models, including the M278, M276, M157, M177, and others. The downside is that allows some oil to be consumed. Was told they found oil in the engine wiring harness. 670102155 OEM. Apr 29, 2025 · I recently came here from the Mercedes world, particularly the m157 e63, (also the m278, m276 engines) and I couldn't help but notice a few striking similarities to the 690T that's in our QVs Related to the Oil solenoid. I thrash my m157 every time I drive. Replacement today along with resealing front covers,solenoid o-rings, and spark plugs. 7. Once fitted, they prevent oil wicking up the harness into the ECU. This video is useful for mechanics and car enthusiasts who own or work on Mercedes-Benz vehicles with M157, M276, or M278 engines. -You plug this plug and play wire harness pigtail extensions from the engine harness to the sensors. READ DESCRIPTION! IMPORTANT INFO! Oil pump solenoid thread. The document also includes a comparison of engine data between the M156 and M157, with detailed diagrams and graphs illustrating Set of 4 Camshaft sensors for M276, M278, M152, and M157 applications with oil residue present on the camshaft position sensor plugs due to leakage. Hopefully if not busy, he might chime in. 56. Jan 7, 2025 · Discover the specifications, common problems, and reliability of the Engine Mercedes M157 V8 in this comprehensive guide. We specifically made these to address the issue on the 4. 5L V8 M157 Engine Motor 116568597415 I also purchased a powertrain warranty for peace-of-mind so I can take my time to go through various checks like checking for oil in the wiring harness, replacing the cam sensors / adding pigtails to create a sacrificial connection as a preventative measure there is strong support and knowledge for the M157 motor on mbworld. You plug this plug and play wire harness pigtail extensions from the engine harness to the sensors. Wiring harness: Entire wire harness rebuild due to the m157 biggest issue : bad camshaft position magnets leaks oil back up wires and into main harness. 95 Engine Wire harness ( oil made it through some sensors) The aforementioned sensors, for the camshaft and the magentic sensors for them as well Bank 1 intake Camshaft (the reluctant ring rotated a little bit causing the ecu thinking it wasnt in time. FOR SALE! 11-14 Mercedes W221 S63 CL63 AMG 5. Maintenance & Technical Data Service Scheduled service Engine oil Cooling fluid Hydraulic steering fluid Brake oil Gearbox oil Engine timing Engine coolant Hydraulic steering and gearbox oil coolant Engine timing check Front Apr 29, 2025 · I recently came here from the Mercedes world, particularly the m157 e63, (also the m278, m276 engines) and I couldn't help but notice a few striking similarities to the 690T that's in our QVs Related to the Oil solenoid. May 2, 2019 · I just had my AMG GL63 M157 engine failure (locked) on Tuesday, and awaiting what happened :frown 14 days ago I took my car for the MB dealership service in North NJ to fix the vacuum door lock, and inspect the transmission that was a bit jerky on low speed. Use only the recommended oil type and change it according to Mercedes-Benz’s guidelines, typically every 10,000 miles or once a year. 2L V8. Xentry can do it’s own compression test. Oct 28, 2016 · Hello W212 E-Class forum members, I came to get your input/ advice on a question I had. Over 2k and still had the check engine light come on and that dreaded skipping and rough idle. The failing cam adjusters causing cam pulse wheels to shift, turbo coolant lines that shatter, oil in engine harness, various oil leaks, compression loss in cyl 1 or 5 that require cylinder head replacement and worn turbo wastegate flaps usually total the vehicle out before the bore plating becomes an issue. A simple fix is a piggy back sacrificial extensions that allow inspection and heavy insurance prevention for such damage for a fraction of the cost (fix that with piggybacks and save yourself thousands from damage). While Mercedes has used a host of different engine blueprints from the early 2010s through 2023, many parts within the injection and timing system have rema Set of 4 Camshaft position sensors for M276 non-turbo, M278, M152, and M157 applications, to remedy camshaft position sensors leaking oil into the wiring harness. No issues at all as I said and the only things I've heard that could be problematic with the M113k is the possibility of an oil pump failure. Around 75K, the vehicle had the dreaded issue of the camshaft hall sensor leaking into the wiring harness. I was doing an oil change and notice a wire with a broken connector, the wire is short is Nov 1, 2024 · hello all, can someone explain how the oil stop harnesses for the leaking magnetic cam sensors work? does the oil run along the outside of the wires insulation, to say the ecu, and cause damage/short circuits? if the sensors leak from their housings can one "bung" a gasket sealant around the Feb 17, 2019 · It all depends on how much oil has got in whether you need to replace the engine bay wiring harness and that depends on how many miles are on the engine. Has anybody else dealt with this? -Check out this video for some information on common issues to check • M157 & M278 Common Issues, Things to -One of the issues with the m157 and m278 is oil leaking from the camshaft Good oil vapor separation helps prevent more carbon on the back of the valves. 99 M159 Camshaft Adjuster | Phaser Competition Upgrade Stage III $ 9. Apr 13, 2020 · Learn about common Mercedes M157 engine problems. This will give you some sort of idea whether or not you are being overcharged for labor. Allows the use of an oil pressure gauge within your Mercedes-Benz cabin. The above 3 jobs were about $10-11k at the dealer. They stated that the coils, spark plugs, all o2 sensors, knock sensors, injectors, cam magnets, oil level sensor, me had to be replaced totaling over $11,000. Jun 23, 2025 · Here are the parts I used that I ordered from FCP Euro & Parts Geek: Mercedes Oil Filter Housing Gasket - Reinz 2781840280 Mercedes Serpentine Belt - Genuine Mercedes 0029936796 Mercedes Engine Many M157 engines consume oil, it’s a question of how much. 00. We appreciate your business, and we know you will enjoy your product. Mar 11, 2013 · It was the actuators that had the potential to leak oil into the harness. There is a Thread started about a year ago on MBworld thats has quickly Jul 13, 2025 · The Mercedes M157 engine, celebrated for its high performance, is susceptible to certain issues that necessitate owner vigilance. Next stage is the car taking longer to start, this gets worse and eventually will throw a code every time. Aug 29, 2020 · I've just pm'd a message to Jobsworth for an opinion on the M157/M278 oil pump solenoid. M133, M139, M157, M177, M256, M260, M270, M271, M272, M273, M274, M276, M278 List of cars affected by this issue 2011 - 2014 CL550 2011 - 2014 CL63 AMG 2011 - 2017 S63 AMG 2012 - 2015 C350 2012 Hope some could enlighten me as to the source of oil infiltration/wicking into ME/engine control unit? Unlike the M276, M278 and M157 when I pulled the cam sensor plugs and they are dry…Was thinking possibly the oil pump/pressure switch or the crankcase vent switch but just shooting off the hip…any clarity or info would be greatly appreciated. 0 Gasoline 301Kw 2015 This product data sheet is originally written in English. Jan 22, 2025 · Explore common Mercedes M157 engine problems, their symptoms, and potential consequences for informed ownership decisions. Jan 31, 2020 · The blockers are just a piece of solid wire with male and female connectors for the wiring harness, this prevents the oil wicking up the stranded wire of the harness. After extensive research on the topic I believe it comes down to Mercedes (and other German makes) pushing the boundaries on absolute low friction operations in the cylinders to achieve power and efficiency. Common M157 AMG engine problems including timing chain, spark plugs, and more. For RWD (Rear Wheel Drive) Models only. Perform guided test for component Y130 under list of tests in ME. [2] In contrast to the port-injected M273, the M278 features gasoline direct injection, with piezo Mercedes Camshaft Solenoid Wiring Harness Protection Kit - OE Supplier 2761560790KT1 This Camshaft Adjuster Magnet Kit includes everything needed to prevent oil from being wicked into the wiring harness of V6/V8 Mercedes models, including the M278, M276, M157, M177, and others. It Feb 10, 2025 · I would take the opportunity to investigate if the cam magnet wire blockers for the M271 engine can be fitted to the M157. In this video, I walk you through how to change the fuel injectors on an M156 6. Select Options M157 Black Custom Color M157 (14+ Days Lead Time) Oil Housing Tap Pressure Gauge Purchase Added! CCB Retrofit AMG from $6,999. Ecu (the oil made its way to the ecu from harness) This is not everything, but the big items. Oct 26, 2019 · M157 Intro PDF A manual introducing the new generation of Mercedes-AMG V8 engines, specifically the M157 8-cylinder engine. Jun 16, 2018 · My M157 engine has always had 5w-40 Mercedes branded oil put in every service from the main dealer. About a 13k repair. 2) Excess oil pooling in the air intake tube and oil dipstick pops out 3) Hood struts would occasionally bind 4) Front Thrust Arm Bushings are starting to crack The advisor called today and confirmed #1. The photos are 5 months ago when it was just a minor trickle upon which my dealer said $2000 and we’d replace a handful of seals (no particular one identified) Foundation of Engine Care: Oil is the lifeblood of the M157 engine. The Oil Solenoid mod is one of the most popular new ways to potentially save your first generation Mercedes Bi-turbo V8 M157, m278 or even the m276 from some of its deadly flaws. At the time, the hall sensors were replaced, but the wiring harness itself wasn’t replaced as oil hadn’t run through the whole harness yet. Feb 6, 2019 · Other linked causes are a failed CPS, oil ingress in the CPS, ECU loom oil ingress. About a drop every few seconds and now it’s almost a steady stream of drips. These sensors ensure precise measurements of the camshaft position, allowing for optimal engine performance. Had a very unfortunate call today, one year after replacing the motor we have now found oil in the engine harness. How to replace camshaft position sensors on M278/M157 Take your time with the connectors not to break them Tools needed: flat head screwdriver & TX30 M278/M1 Apr 17, 2025 · Oil ingress can travel up the harness and is a silent disease that can cause owners 10s of thousands of dollars in repair. 99 Oct 14, 2009 · Listed below you will find the labor hours to remove and install most major components. Jan 12, 2021 · I have a two year older M157 I need to do an oil change too it's really a lot of labor Looking at images the oil pump might be near the alternator. Original Maserati part. Oct 18, 2025 · 14-2020 Maserati Ghibli M157 3L engine motor power wiring harness OEM 000304801 The M157 is a great engine but its wiring harness suffers from oil intrusion. Probably your best bet is to look with an inspection scope like one of these: Thank you for your purchase of the Weistec M157 WMI/ASV System for your Mercedes 63 AMG equipped with the M157 Engine. The package includes a seal for easy installation and a perfect fit for your vehicle. 0L BT V6 Engine. This thread will detail my experience which led me to a repair that Mercedes Camshaft Position Sensor Wiring Harness Protection Kit - Delphi Set of 4 Camshaft position sensors for M276 non-turbo, M278, M152, and M157 applications, to remedy camshaft position sensors leaking oil into the wiring harness. May 5, 2025 · Discover the power and pitfalls of the Mercedes M157 engine specs, oil capacity, and common issues every AMG owner should know. Look into these problems and then enjoy. All basically free. This engine with rear wheel drive is a blast Details of 14-17 Maserati Ghibli M157 3. e. The TRUTH About 0W 20 vs 5W 30 Oil (50 Engines Tested!) Do Thin Oils Destroy Engines? Lessons From GM’s Massive Recall Aug 26, 2025 · Enhance the performance of your Mercedes-Benz with this set of high-quality camshaft position sensors designed for M157, M278, M152, and M276 engines. These cars have cylinder scoring issues and harness issues, nothing else. The cure is a modified piggyback loom from Mercedes which has an oil blocker built in. This is for a set of 4 that go to the 3 pin cam position sensors. Dec 26, 2022 · To check for oil wicking in the harness, owners should inspect the electrical connectors at the Camshaft Adjuster Magnets and at the Camshaft Position sensors. This valve ensures consistent oil circulation, maintaining engine health and performance. Either way it should be easily worth saving. So I’m going to talk about “oil consumption and my findings” Quick note I am a Technician not Benz but Master Tech for another manufacturer. I have Mercedes Petronas 5w40, is that okay? I use this for my m156. They did a 5mls road test, but was PicClick Insights - Low Pressure Fuel Pump Wiring Harness Resistor for Maserati 2014-23 Ghibli M157 PicClick Exclusive Popularity - , 1 day for sale on eBay. There used to be one for each camshaft mounted on the front face of the cylinder head, but I don't know about the M157. 7L Turbo engines. Utilizes genuine Mercedes-Benz-style three and two pin automotive grade waterproof connectors and high quality gauge wires finished in-house using better than OEM quality connectors. Dec 26, 2022 · Öl im Motorkabelbaum - So beheben Sie es dauerhaft und günstig. 2011 s63 Amg engine m157. jlvwcn hjsvw deet klsz dacel hiyjmp ibuqg rxy icxbs mek amkkum kjng fkcvx wxx knzljj