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E-Class (W211) 2003-2009

Crank Shaft Position Sensor Keeps on Failing

     
Old Aug 20, 2013 | 11:41 AM
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DanielDaskalo's Avatar
DanielDaskalo
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Mercedes C240 (Germany Imported)
Crank Shaft Position Sensor Keeps on Failing
This is the third time I am replacing it in 3-4 months.

I replace it the car works for about 1-2 weeks and then it goes bad again.

I am thinking its the ****y parts from Autozone, so I went ahead and ordered a Bosch crank shaft position sensor. It should be here today, once I change it i will see how things go.

Has this been happening to anyone else?

I have a 2004 Mercedes Benz e 320 4 matic.

Thanks,
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Old Aug 20, 2013 | 03:26 PM
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phalen302
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14 S8, 07 E63 Designo, on order 14 G63
Sounds odd. I might be wrong but if your Bosch one goes out.....then there is electrical mis connect some where.
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Old Aug 20, 2013 | 03:47 PM
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DanielDaskalo
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Mercedes C240 (Germany Imported)
yeah its very weird. I will replace it today and keep you guys updated.
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Old Aug 21, 2013 | 04:20 PM
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2003 E500, 2004 S430 w/BT-Puck/Tail
Yep! Got one at ORielly's and it failed a few weeks after...I was going to wait for the Merc/Bosch to come in but the Wife wanted the car working right away. No problem with the new one. The ORielly had a Lifetime warranty but what a hassle to change out...got the guy to give me my cash back.
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Old Aug 21, 2013 | 11:42 PM
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Replaced cps car started ran perfect for 1week then cut out for a second then came back on then parked turned off now car won't start Does anything have to be reset after replacing cps
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Old Aug 21, 2013 | 11:44 PM
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MJ Mercedes
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Does anything need to be done after replacing cps
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Old Aug 21, 2013 | 11:50 PM
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Car ran fine after replacing CPS then after a week was driving along car cut out couple times shut it off now won't start just cranks over and over smell gas but won't start ? how do I get it to start
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Old Aug 22, 2013 | 01:04 AM
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SkiMiester
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From: Cali
2003 E500, 2004 S430 w/BT-Puck/Tail
As stated above...if you bought it at an auto parts franchise store and didn't get the Bosch or MB Branded expect it to fail. Also, remotely possible is that the other CPS ("Camshaft" not Crankshaft Position Sensor) is failing. I would try a good CrankPS first though!
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Old Aug 22, 2013 | 02:30 PM
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06 S211 E500 4Matic
Check your flywheel. On a friend's Audi A6 3.2 the flywheel was hitting the CPS and he kept replacing CPS.
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