M271 - oil in connectors? - Page 2 - Mercedes-Benz Forum
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post #11 of 170 (permalink) Old 03-06-2008, 01:08 PM
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Service Bulletin Num : 032006, NHTSA Item Number: 10000630, ENGINE OIL LEAKS. *TT

^ i guess.

if anyone can post the part number to the replacement camshaft sensors, that would be very helpful. that is the point of this sticky, isn't it?

Last edited by reno96teg; 03-06-2008 at 01:16 PM.
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post #12 of 170 (permalink) Old 03-17-2008, 10:45 AM
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Quote:
Originally Posted by taylor192 View Post
Confirmed with the dealer - the cam magnet sensors are leaking on high mileage M271 engines.

Its a $500 part and 6hrs of labour to replace the engine harness.

The typical failures are the O2 sensors as the oil destroys the sending units.

So far this year:
$300 MAF
$250 for both O2 sensors

Now:
$100 cam magnet sensors
$500 engine harness
$250 possibly new O2 sensors since the CEL is back

My car is at the dealership today and i have this problem also, he quoted me 3700 to fix it......someone come out with with a DIY please!? Taylor, how hard is replacing everything?
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post #13 of 170 (permalink) Old 04-10-2008, 07:39 AM
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Hi all,

I've been lurking for a while and really appreciate the information available here on the boards.

I have a 2004.5 C230K SS it just turned 79K miles. I bought it used 5 months ago with 63K miles on it. I just took it in for the PCV service campaign last week. I purchased the cam sensor starter leads at that time. I had check my cam sensors 30 day ago and they were fine. But when I went to install the "adapters" I noticed one started leaking. So I'm ordering a set right now. My question is do the new sensors come with new o-rings or do these need to be ordered separately? There is also a plug listed do I need to order that too?

Any help would be greatly appreciated.

Thanks!
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post #14 of 170 (permalink) Old 04-26-2008, 11:10 PM
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The part number for the cam magnet sensor with o ring is A271 051 01 77 . Listed for $66.00. I think it's a diy if you have a star socket set.
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post #15 of 170 (permalink) Old 04-28-2008, 04:30 PM
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I changed mine out over the weekend and these were the parts I needed.

2x - 271 051 00 32 - Expansion Plugs
2x - 010 997 23 48 - Seal Rings
2x - 271-150-27-33 - Isolating wire
2x - 271-051-01-77 - Cam sensor
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post #16 of 170 (permalink) Old 05-02-2008, 10:29 AM
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ermtpa, how much did all of that cost you and about how long did it take?
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post #17 of 170 (permalink) Old 05-04-2008, 08:33 PM
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Even though I have error codes for both cam sensors, I checked them today for oil and they were perfectly clean! does anyone know of these sensors going bad for reasons not related to the oil leakage??
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post #18 of 170 (permalink) Old 05-05-2008, 05:57 AM
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ermtpa, how much did all of that cost you and about how long did it take?
It cost about $160 for the parts (AutoPartsPeople.com - Genuine factory Parts and Accessories) and less than an hour to install. Would have taken a little less time if I didn't drop the bolt into the engine and have to take off the bottom plate to get it back out.
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post #19 of 170 (permalink) Old 05-19-2008, 12:50 PM
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Talking

Just a note - I installed the cam starter wires this weekend with my Dad...(May 17th, 2008) and the car had 33,616 miles - NO OIL or anything to worry about in my M271...

Thanks all,
Jake
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post #20 of 170 (permalink) Old 06-14-2008, 01:59 PM
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Hey man we see this all the time at the dealership we look at it as gravy considering you can replace the wiring harness in about 2-3 hrs make sure you don't have any oil at your M.E. control module either I have had that one bite me before anyway the source as you probably know is the cam adjuster magnets Mercedes has come up with a updated part number as for any bulletins I dont think there is any for the 271 just the 111 but hopefully all goes well let me know if I can be any more help
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