E-Class (W211) 2003-2009

E500 died while driving, wont start. HELP

Old Feb 16, 2021 | 11:07 PM
  #1  
Caranas06's Avatar
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2006 E500 Airmatic
E500 died while driving, wont start. HELP

Checked all engine and boot fuses.. all ok. Not the fuel sensor as I topped up gas a couple of days ago, doesnt seem to be the battery or alternator as havent noticed any symptoms eg, dimming.

Please see this
vid. Car sometimes starts and revs but does not sustain. From what ive read, my guess is crankshaft position sensor, hoping its not fuel pump or spark plugs. I need to get a pressure gauge to confirm.

Thoughts??
Edit: tried extensive check with OBD2 scanner.. nothing
Edit 2: yup... It was the fuel pump.

Last edited by Caranas06; Feb 22, 2021 at 04:42 PM.
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Old Apr 27, 2021 | 07:18 AM
  #2  
hellah fresh's Avatar
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From: Midwest
Was 89' 300E, Now 93' 500SEL
My E500 just finally died on me too. Have you check your fuel pump relay and fuses? I haven't had a chance to look at my car yet.
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Old Apr 28, 2021 | 11:55 AM
  #3  
mafi's Avatar
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w211 e500 4 matic
Just replace crankcase position sensor. It's like 20 bucks or something insignificant, and takes about 20 min or less to replace w the right tools. Foolish not to replace, even if you find it's something else causing the no run issue. After reading about this and some other things about w211's, it's the first thing i did was replace it when i bought the car. Now i know the history, and i know for sure it will never be the CPS as an issue. Also the alternator regulator has a tendency to poop on people, fyi. Also cheap, but harder to access. I digress.

I always start cheapest fix then work my way up to most expensive. I also replace anything cheap i find along the way just in case, so that the niggling things are never an issue. Best of luck! Bought my CPS from FCP Euro. Lifetime warranty.

matthew
2004 w211 e500 4 matic wagon
120k miles.
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Old May 7, 2021 | 02:15 PM
  #4  
Chris Lamb2's Avatar
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From: Alabama usa
2007 s550
you need new batteries probably the 1 in the front but maybe the one in the trunk as well. i replaced both at the same time.
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