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Hello you all!
quick question. Why is my M272 E350 engine different from the ones I see in videos and pictures. Was looking at some parts at the MB dealership and my engine does not have the big cam plug in the back, part 252. It is "grayed out" on the the kidsddd
picture attached, meaning that my particular engine does not have that part. I have also noticed that I dont have the part inside the blue circle on the picture attached. My enigne What and where is this?
M272 sold for different market may have different emission device.
That round thingy your circle blue I believe is air injection.
You must get Mercedes EPC/WIS ebay version is OK and then you enter your car VIN number and 95% of the time your parts will then be correct.
It wont be 100% always accurate .... but you wont be totally lost.
My '11 S212 doesn't have the big cam plug as well just the two smaller ones on each side of the block. The item you circled is the secondary air pump which injects fresh air into the exhaust stream to reduce emissions during cold starts.
It is located to the left of the oil filter housing when facing your engine block if equipped on your vehicle.
Was trying to change the PCV, and it looks like a piece of cake on the videos I have seen of others doing it on the M272, however the space around my PCV is too freaking thight to work on even with the smallest tools. I hate the fact that I can"t do a simple job like this myself because of the design on my particular M272. I tried to upload a video, but it did not work.
Was trying to change the PCV, and it looks like a piece of cake on the videos I have seen of others doing it on the M272, however the space around my PCV is too freaking thight to work on even with the smallest tools. I hate the fact that I can"t do a simple job like this myself because of the design on my particular M272. I tried to upload a video, but it did not work.
Totally agree this simple service qualifies as a PITA... besides HPFP must also come out
A possible help is to lift out the fake double-firewall to gain better working access.
Replace new HPFP + Roller is recommended but not mandatory... at least roller bearing is cheap and good insurance to preserve camshaft from grinding flat.
Totally agree this simple service qualifies as a PITA... besides HPFP must also come out
A possible help is to lift out the fake double-firewall to gain better working access.
Replace new HPFP + Roller is recommended but not mandatory... at least roller bearing is cheap and good insurance to preserve camshaft from grinding flat.
Where exactly is the HPFP located? I was looking for that part last year, but they are expensive!! Can a faulty HPFP throw lean codes? I would highly appreciate if someone knew where I could get that part cheap. What are the signs of a faulty HPFP?
Where exactly is the HPFP located? I was looking for that part last year, but they are expensive!! Can a faulty HPFP throw lean codes? I would highly appreciate if someone knew where I could get that part cheap. What are the signs of a faulty HPFP?
I thought you saw it... single HPFP... TT have dual pumps for twice the fun
Bad pump can cause lean but few other factors can cause lean... not just tired pump. Plugged up tank filter, lambda, plugs, injectors....
Diagnose pressures is always better than gambling with parts-canon, right?
Last edited by CaliBenzDriver; Apr 17, 2024 at 04:25 PM.
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