Camshaft Solenoids AKA Cam Magnets - Page 6 - Mercedes-Benz Forum
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#51 (permalink) Old 09-01-2013, 06:51 PM
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M272 Engine #757119 is beyond the range for balance shaft problems, but still in range for cam sensor magnet troubles. P0025 = DTC 0064. There is not P0064 or P0272, but I suspect those are DTC 0064 and DTC 0272, both of which are indicative of the cam sensor magnet failure. Parts to replace all four sensor are about $100 or so and it's actually a fairly easy DIY.

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#52 (permalink) Old 09-02-2013, 07:45 AM
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Originally Posted by keyhole View Post
EP: Now that you are a regular here . please complete your profile in User CP with model/style/year/location, as that helps somtimes.

Now about your VIN. When decoded, that shows me that you have a W204 C280 4-matic with engine number 272948 30 757119.

That is way past the affected engines (30 468993) so you are OK there.
Thank you, Keyhole! I feel better now I know that my 2008 C300 4Matic is not affected by the Balanced Shaft problem. I will be updating my CP. Appreciate the assistance very much!!!

Last edited by EPineda; 09-03-2013 at 04:39 AM.
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#53 (permalink) Old 09-03-2013, 04:50 AM
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Originally Posted by rudeney View Post
M272 Engine #757119 is beyond the range for balance shaft problems, but still in range for cam sensor magnet troubles. P0025 = DTC 0064. There is not P0064 or P0272, but I suspect those are DTC 0064 and DTC 0272, both of which are indicative of the cam sensor magnet failure. Parts to replace all four sensor are about $100 or so and it's actually a fairly easy DIY.
Thank you, Rudeney! I'll get these 4 cam sensor magnets replaced. They seem easy to get to and replace, any special instructions or adjustments if I decide to replace them myself? I'm quite handy with basic car repairs! Or, take it to the dealer for this work?
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#54 (permalink) Old 09-03-2013, 05:00 AM
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Keyhole, do my 2 other W203's potentially affected by these Balanced Shaft and Cam Sensor problems? Here are the VIN number:

2006 C280 4Matic: VIN WDBRF92H26F784232
2004 C240 4Matic: VIN WDBRF81J14F520446

Thanks again for your assistance!!!
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#55 (permalink) Old 09-03-2013, 06:07 AM
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They seem easy to get to and replace, any special instructions or adjustments if I decide to replace them myself? I'm quite handy with basic car repairs! Or, take it to the dealer for this work?
EP. If you post a question about replacing your camshaft hall sensors in your own forum (W204) I will reply with the WIS instructions - and you can decide if it is a DIY. This thread is in the W209 forum...

I have noted that to get access to the left hand side sensors( B6/4, B6/6) you have to remove the resonance intake manifold - which seems a pita. And to get access to the right hand side exhaust sensor (B6/7) you have to remove the air filter housing. Otherwise very a straightforward job.
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#56 (permalink) Old 09-03-2013, 11:31 AM
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2006 C280 4Matic: VIN WDBRF92H26F784232
2004 C240 4Matic: VIN WDBRF81J14F520446
1. C280. Engine no: 272941 30 265526. Unfortunately that engine is in the range affected by the balance shaft problem.
2. C240. Engine no: 112916 31 715920. The M112 engine is not included in this problem.
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#57 (permalink) Old 09-03-2013, 05:21 PM
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EP. If you post a question about replacing your camshaft hall sensors in your own forum (W204) I will reply with the WIS instructions - and you can decide if it is a DIY. This thread is in the W209 forum...

I have noted that to get access to the left hand side sensors( B6/4, B6/6) you have to remove the resonance intake manifold - which seems a pita. And to get access to the right hand side exhaust sensor (B6/7) you have to remove the air filter housing. Otherwise very a straightforward job.
The should be very similar to the procedure on the W203/W209 which does not require any manifold R&R:

http://benzbits.com/m272/camshaftsolenoid.pdf

Actualyl, I went ahead and checked for the W204/W207, and it's almsot exactly the same (no manifold work):

http://benzbits.com/m272/camshaftsolenoidW204.pdf

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#58 (permalink) Old 09-04-2013, 03:53 AM
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Actually, I went ahead and checked for the W204/W207, and it's almsot exactly the same (no manifold work):
Whoops... your'e right there. I see that I was looking at engine 276 in error.
Engines 272 and 273 are easier.
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#59 (permalink) Old 09-04-2013, 05:12 PM
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Originally Posted by rudeney View Post
The should be very similar to the procedure on the W203/W209 which does not require any manifold R&R:

http://benzbits.com/m272/camshaftsolenoid.pdf

Actualyl, I went ahead and checked for the W204/W207, and it's almsot exactly the same (no manifold work):

http://benzbits.com/m272/camshaftsolenoidW204.pdf
Thanks Rudeney and Keyhole! You guys have been great help and on this forum. I guess it is time to think about getting rid of my 2006 C280 4Matic while it still is running good. Thanks also for the info on the Hall Sensors. I check with my MB stealership, they want $640 to replace all 4 camshaft magnets. I can get the replacement magnets for $26 each and may just do the work myself.
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#60 (permalink) Old 09-04-2013, 06:43 PM
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Rudeney and Keyhole, I was just looking at the 2 links you posted (thanks for these by the way), I didn't realize that the Hall Sensors are different from the Camshaft Solenoids until I saw the WIS. My question is, does the Hall Sensors needs to be replaced along with the 4 Camshaft Solenoid magnets? The Error Code I got was a P0025 "B Camshaft Position - Timing over-Retarded Bank 2". Unless I'm incorrect, I understand my problem is on the left (driver side) intake camshaft solenoid (inner). It is, however, the recommendation of the dealer to replace all 4 camshaft solenoid magnets but didn't mention any Hall Sensors needing replacement. Is it recommended that the Hall Sensors be replaced as well? Thanks again!
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