CLK-Class (W209) 2003 on: CLK 270 CDI, CLK 200K, CLK 200 CGI, CLK 240, CLK 320, CLK 350, CLK 500, CLK 550 [Coupes & Cabriolets]

Fuel Problem

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Old Feb 9, 2015 | 10:23 PM
  #1  
cpenta's Avatar
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clk 500
Fuel Problem

I have 2004 clk 500 with 197,250 mile on it
A week ago I had a hard start like it was not getting gas. I shut the car off and restarted and it ran fine.
Today the call just died. I can crank but the car will not start. I took the air filter off and sprayed a little gas in the throttle body and the car started for just a second.
I believe it’s the fuel pump but have no idea for sure or where it’s located. I would appreciate any help from this forum
Thank you in advance
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Old Feb 10, 2015 | 12:59 AM
  #2  
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2008 CLK550 Cab
It's under an access panel under your back seat. But don't conclude that so fast. Could a crank position sensor. Or something else.
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Old Feb 10, 2015 | 02:30 PM
  #3  
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2004 CLK320
Originally Posted by Yidney
It's under an access panel under your back seat. But don't conclude that so fast. Could a crank position sensor. Or something else.
I am thinking the same.

This was my experience of a failed CPS. I was driving one day and the engine died all of a sudden. I stopped the car and attempted to start the car. The car would crank but did not start.
I waited a few minutes; cranked again and it did start. I let it idle for a few minutes and it died again all by itself.
I repeated this a few times and I finally called MB roadside assistant.
The tech knew right away it was the CPS and it took him only 15-20 minutes to replace it.
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