The purpose of this article is to make the suggested repair pathway easier to decide upon. We recommend these four depending on your needs. (�Aɢ�{9ʣ�H�p�2�Ң��*�zf�AmPT���#�B5(��)I��ӭE�(|Es��Ad�� This engine is no longer produced for use in street cars; however, it is still produced by AMG in the form of the M159 for the AMG GT3 customer racing program. It is a high-revving engine with four-valves-per-cylinder, variable valve timing, and a variable length magnesium intake manifold. I highly recommend installation of the check valves and replacement of the chain tensioner despite the engine number! The installation of oil check valves is required for all repair options! We have solutions to these common issues as we recommend being proactive to keep your M156 engine running optimally. 10 0 obj Rotating the engine from the crankshaft pulley (of course ensure the timing chain components are all installed) may exhibit a snapping or popping during rotation from the adjuster units. Specifications can be found within WIS (Mercedes workshop information system) or on many of the applications within AllData or Mitchell repair information databases. . when they are bad you will hear a loud pop as you turn the engine. In true AMG fashion, each engine is assembled by a single technician with that tech's name engraved on a plaque fastened to the engine. endobj Get help answering any questions you have, If you found this article helpful, you can follow the rest of my projects by checking back here or by. Many of the newer generation Mercedes engines (namely the M157 AMG engine, M276 V6 engine, & the M278 V8 engine) develop an obnoxious rattle sound upon start up. For vehicle with engine number 278 9xx … through engine number 278 9xx … install check valves (revised tensioners are already installed in this production range). 5 0 obj For vehicles with engine number 157 9xx … through engine number 157 9xx … install check valves (revised tensioners are already installed in this production range). x��� xS��?����35s���4�Zh���*��)- <> 2 0 obj <> 1 0 obj x�]�ێ�0���)|��X�=6�*R��R.zP�> �&�� "�"o_�7��)�����1���_�}7���44�8����/�uj�9�S�?XgB�̪�ws�LJl�|�]�x���`��p5Ҙ����2O7��9��Ʉخ�L!N]2�v����u��s�g��{��7�}����9�,�yڇ%��oO����߷1���C3�x�&Nu�/�rm����ڮ��[/7l;��k=�����&e? Almost every new car ships with a model offering AWD and that holds true for German and European manufacturers. Learn how to change the oil of the M274 engine. For vehicles with engine number up to 276 9xx … install check valves and revised chain tensioners. %PDF-1.7 hbspt.cta._relativeUrls=true;hbspt.cta.load(3867393, '2474a063-401c-41ff-b899-b8c4459523fd', {}); The Mercedes-Benz M156 engine is both the first and the only engine developed as a clean-sheet design in-house at Mercedes-Benz AMG. How to Diagnose & Repair Volvo "Anti-Skid Service Required" Message, Seven New European Cars That Offer A Manual Transmission (2020 Model Year). <> endobj 7 0 obj Three-Pedal AMG - Manual-Swapped Mercedes E55 AMG, How To Replace The Rear Brake Pads & Rotors On A Mercedes-Benz W211/W212 (E320, E350, E550 & More), How To Change The Oil On a Mercedes C300 (M274 Engine), How To Change The Oil On A Mercedes-Benz C250 (M271 Engine), How To Replace Engine Air Filters On A Mercedes M156 Engine, Why A Mercedes-Benz Oil Change Costs So Much Money And What You Can Do About It, Since the intake manifold is quite expensive and often back-ordered, there is. Mercedes M157, M276, & M278 Rattle Noise Upon Starting. once the, Doing our first one today check valves and tensioners we'll see how it goes. Below I will list each engine code and the suggested repair path from Mercedes-Benz…. �B##k����|� Although the rear brake pads and rotors wear more slowly than the front on your Mercedes, they're just as important to replace. �x�|��}>GN�<=�0� C���\�gy{�ߧ�s��z*�c)tI1����i�$�D����:M˄J1��u(u}�O�q�]��>/FontDescriptor 10 0 R /DW 0/W[ 0[ 1000 0 277 277 333 722 556 277 222 222 556 556 556 500 556 277 333 500 500 556 610 556 556 833 556 556 277 556 556 277 0 556 666 556 556 556 666 722 556 277 556 500 666 556 277 722 556 500 556 833 666 556 222 722 666 610 556 722 556 500 777 722 556 777 666 943 277 777 722 666 666 666 666 736 277]]>> You have already made them accessible and they are not too costly. This is a common symptom which is already fairly well documented on the internet. According to the Service Bulletin, the driver may hear a rattling noise after start-up – from the engine compartment – that lasts for several seconds. Chain stretch is something I am starting to see on these engines, along with guide rail breakage. |�J|�J���>|���sFW>�9=g�|-� As always, if you have any questions or comments, leave them in the comments below. <>stream Alex Bridges fixed that on his Mercedes E55 AMG. As the multitude of vehicles equipped with the M156 engine reach higher mileages, there are a handful of common issues that tend to crop up. This DIY shows how. i discovered this on the last engine that needed new chain tensioners at the head, once they were replaced the noise at start up was reduced but still obvious. 15 Sep. Posted by: Category: Uncategorized . For vehicles with engine number 276 9xx … up to engine number 276 9xx … install check valves only (revised tensioners installed in this production range). %���� Rattling noise after engine start for several seconds Topic number LI05.10-P-056435 Version 10 Design group 05.10 Timing chain drive, toothed belt drive Date 11-12-2015 Validity Engine 157: Up to engine 1579xx 60 047752 Engine 2768: Up to engine 2768xx 30 001281 Engine 2769: Up to engine 2769xx 30 406603 Engine 278: Up to engine 2789xx 30 191843 But how do these systems differ from each other? Camshaft Adjusters - When the camshaft adjusters no longer hold hydraulic pressure, it will manifest itself first as a noise typically at cold start and progress to noise at any engine RPM cold or at operating temperature. This is a common symptom which is already fairly well documented on the internet. If you were to name one thing that modern AMG cars are missing, it would probably be a manual transmission. Here are 5 German cars that will stand out under $5000. The noise is essentially chain rattle and/or rattle from the camshaft adjuster units; however, the cause can be any combination of the following: poor oil pressure to the secondary chain tensioners upon start up, defective chain tensioners, defective camshaft adjusters, stretched timing chains, and/or damaged timing chain guide rails. The price of used cars continuously climbs higher, yet there are still budget buys far from boring. For vehicles with engine number up to 276 8xx … install check valves and revised chain tensioners. For vehicles with engine number 157 9xx … through engine number 157 9xx … install check valves and revised chain tensioners. endobj I have personally seen several failures of the “revised” secondary chain tensioners. m157 rattle on start. endobj The purpose of this article is to make the suggested repair pathway easier to decide upon. 6 0 obj <>stream hbspt.cta._relativeUrls=true;hbspt.cta.load(3867393, '13f0880f-a4d7-45ef-b212-169a84bd06a5', {}); Kyle is the Mercedes Catalog Manager at FCP Euro and has been with the company since 2014. For vehicles with engine number 276 8xx … through engine number 276 8xx … install check valves only (revised chain tensioners are already installed in this production range). 4 0 obj If you found this article helpful, you can follow the rest of my projects by checking back here or by subscribing to our YouTube channel. The Cheapest, Most Reliable Mercedes-AMG Cars Ever, Period! An oil service at a Mercedes-Benz dealership is far more expensive than many customers would imagine. For vehicles with engine number up to 278 9xx … install check valves and revised chain tensioners. Changing the oil on your Mercedes-Benz yourself is one of the easiest ways to save yourself money and extend the life of your vehicle. endobj These recommendations are published by Mercedes for dealership technicians whom are generally working on lower mileage vehicles. 5 0 obj Also rattles if you try and drive off too quickly after the start/stop has come back on Re: 1.4 tfsi engine rattle on start up ? How to quickly replace the dual engine air filters on a Mercedes M156 engine found in Mercedes-AMG cars such as the C63 AMG, E63 AMG, and CLK63 AMG. No Comments . >O��"�s�ʧ�Yr���|� Buying a used car can be daunting for some, and even more so when talking about buying a used German car. Rd��A�2EDPI�2�(8�p���#��4����2x��{��>7�޵�^��q� ���L8���龎r/!���;�����"�)!�Ä(��N����. Things to remember and furthermore things to consider when making related repairs…, Do not forget about the cam adjusters causing this noise as well, The few i have seen you can check the cam adjusters by rotating the engine at the crank pulley. endobj The M156 is a 6.2L V8 naturally aspirated engine that produced up to 518hp depending on the variant. endobj We tell you why and what you can do about it. It is also ideal to check the timing components for wear such as chain stretch and guide. 3 0 obj <>/ProcSet[/PDF/ImageB/ImageC/Text]/XObject<>/ColorSpace<>>> endobj <> 11 0 obj Camshaft adjusters also fail on these engines and can create or enhance rattle noises. Mercedes M157, M276, & M278 Rattle Noise Upon Starting. �TK$Ur0dq0Ρ`p�A`wʧ��y��>>_�S>����|5 Many of the newer generation Mercedes engines (namely the M157 AMG engine, M276 V6 engine, & the M278 V8 engine) develop an obnoxious rattle sound upon start up. In December 2015, Mercedes-Benz issued Service Bulletin LI05.10-P-056435 Version 10 for Mercedes-Benz C216 CL 63 AMG vehicles that had M157 engines with engine numbers up to 1579xx 60 047752. <> As always, if you have any questions or comments, leave them in the comments below. This camshaft adjuster rattle is most prevalent on the intake camshaft adjusters and is observed mostly on engine startup. Mercedes has a special tool for measuring wear on the timing components but a digital caliper has thus far been sufficient. Changing the oil in your Mercedes is one of the easiest ways to save yourself money and extend its life. Training aids and services for training curriculums. Mine rattles and revs up to about 1.5K for a second and back down to idle. Follow along with this DIY. <>

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