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Jun 10, 2015, 01:23 PM
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Crank Shaft Position Sensor DIY with PICS
Thread Starter
Former Vendor of MBWorld
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Joined: May 2008
Posts: 12,139
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From: Houston
2003 W211 E55, 2003 W220 S600
Crank Shaft Position Sensor DIY with PICS
Yesterday my car died on the freeway. Famous CPS went bad. Went to dealership and bought the part for 85. Thanks for Kevin (Hadilaw's Cousin) for giving me a ride and the AUS-E55, MEKANTOR, and EXOTIC-METAL for their help too.
New Sensor and Old Sensor
Tools needed - Extension and E8 female torque socket
Remove heat shielding form sensor wire connection and unplug the sensor wiring harness
Use E8 socket and extension to remove one bolt holding the sensor. Once this is done the sensor should just come
This is the location of the sensor
Install in reverse order. Easy fix beats paying 400 at the dealership.
My support car.
She is getting ready for the sensor to be replaced.
New Sensor and Old Sensor
Tools needed - Extension and E8 female torque socket
Remove heat shielding form sensor wire connection and unplug the sensor wiring harness
Use E8 socket and extension to remove one bolt holding the sensor. Once this is done the sensor should just come
This is the location of the sensor
Install in reverse order. Easy fix beats paying 400 at the dealership.
My support car.
She is getting ready for the sensor to be replaced.
MBWorld Fanatic!
Joined: Apr 2009
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From: Maryland
a Rivera...via a Custom 24, Strat and Les Paul
MBWorld Fanatic!
Joined: Nov 2008
Posts: 1,916
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From: Northern VA
2006 E55
Wait, I just looked closer at the photos...it first appeared you access the sensor next to the coil packs. But then I see you under the car?
Can you provide a more specific location where you were working? Thanks!
Can you provide a more specific location where you were working? Thanks!
Thread Starter
Former Vendor of MBWorld
iTrader: (1)
Joined: May 2008
Posts: 12,139
Likes: 295
From: Houston
2003 W211 E55, 2003 W220 S600
That is kevin under my car, I accidentally dropped the bolt. He was retrieving it from the belly pan. The sensor is accessible from the driver side fender.
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MBWorld Fanatic!
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From: North California
02 C32 AMG, 05 SL55 AMG, 09 SL63 AMG, 14 E350, '18 G550, 92 300ZX & 15' GL63 AMG
DMAN! CSP ! been there done that!! hate the feelin, but def an easy fix! glad your car is up and going once again. crazy how something small can cause such huge probs lol
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Thank you for the write up. I'm sure I will need this information in the future.
Super Member
Joined: Apr 2008
Posts: 917
Likes: 1
From: Glendale, AZ
E55
You'll know when you can't start your car. Usually after the car gets warm. It cranks and cranks and cranks then it doesn't turn on. After it cools down it will start up just fine. Sometimes the CEL will come on, usually for the CPS and O2 sensors 1 in banks 1 and 2. It will be a soft code so it will go off after 3 cycles if your car continues to start up just fine. It will progressively get worse.
Senior Member
Joined: May 2008
Posts: 293
Likes: 20
From: Houston/Plano, TX
2005 E55, 2009 VW GLI
that's funny. i had a pending p0335 code and i was going to replace the sensor over the weekend. the car had other plans as i was coming out from getting my hair cut...she didnt want to start. luckily i already had the part and i was close to home. called my girl and had her bring my tool bag and the sensor...replaced it in the parking lot.
bad Merc weekend in Houston i guess.
bad Merc weekend in Houston i guess.
Super Member
Joined: Feb 2009
Posts: 692
Likes: 73
From: Houston, TX
2003 E55 AMG; 2013 GL550 4Matic; 2003 CL600
Super Member
Joined: Nov 2009
Posts: 724
Likes: 31
Car free at the moment
Nice DIY. Thanks for the pictures.
Please, please tell us Kevin didn't get under the car supported only by a jack?!? That is a serious safety no-no. Once the car is raised, it must be supported by one or more jack stands in addition to the jack. This is one of those rules of life which you just do not break. Please don't end up a Darwin award.
Please, please tell us Kevin didn't get under the car supported only by a jack?!? That is a serious safety no-no. Once the car is raised, it must be supported by one or more jack stands in addition to the jack. This is one of those rules of life which you just do not break. Please don't end up a Darwin award.
!
Member
Joined: Apr 2006
Posts: 165
Likes: 0
From: OC
E55
Thanks for the DIY. Funny how the car would not start at the car wash bay at the dealership. Dealership wanted to diagnose the problem but I told them no. Got the sensor online for $40. Hope that fixs the problem.
Thread Starter
Former Vendor of MBWorld
iTrader: (1)
Joined: May 2008
Posts: 12,139
Likes: 295
From: Houston
2003 W211 E55, 2003 W220 S600
well if the CEL is on an you have a OBDII scanner you can check the code and it should tell you Crank Position Sensor Fault
Senior Member
Joined: Dec 2008
Posts: 361
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From: Northern California
05 e55
So just to clarify, it's a pretty simple remove/replace type fix? Take the old part out, put new part in, done?
$85 is not expensive at all, seems it is wise to go ahead and replace this ahead of time to save yourself a headache in the future...
$85 is not expensive at all, seems it is wise to go ahead and replace this ahead of time to save yourself a headache in the future...
