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car wont start regularly

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Old 05-23-2014, 04:42 PM
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08 C350
car wont start regularly

Need your help plz.


yesterday morning i went to start my car, it try to fire up 3 times and it shut off. The 4th time it fired up and ran like normal ( i didn't think nothing of it at that moment). i shut it off and on 2 more times and it work fine. wen i get to my destination i shut it off went inside for like an hr or 2 came back and no start. I unlock the hop in and put my key and it doesnt make that sound when it unlock the steering wheel when i turn the key no lights come on but radio works.

Heres the best part the only way to unlock the steering wheel and get it to start is by hold the unlock button down and doing the normal start process.

i come to the conclusion that i would either have to change the key or the ignition module or both. Has anyone have this problem. PLZ help
Old 05-24-2014, 10:05 AM
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2013 C300 Sport Black Darth V3.0
Common problem on the 2008. Repairs are VERY expensive.
Old 05-25-2014, 04:42 PM
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late 2009 CLK 350 Coupe Elegance, '65 Jaguar S Type wires
Either EIS or ESL or both.
Old 05-26-2014, 10:45 AM
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08 C350
what is ESL i no what EIS is
Old 05-28-2014, 02:43 AM
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2011 C250
Originally Posted by StrelingA
Need your help plz.


yesterday morning i went to start my car, it try to fire up 3 times and it shut off. The 4th time it fired up and ran like normal ( i didn't think nothing of it at that moment). i shut it off and on 2 more times and it work fine. wen i get to my destination i shut it off went inside for like an hr or 2 came back and no start. I unlock the hop in and put my key and it doesnt make that sound when it unlock the steering wheel when i turn the key no lights come on but radio works.

Heres the best part the only way to unlock the steering wheel and get it to start is by hold the unlock button down and doing the normal start process.

i come to the conclusion that i would either have to change the key or the ignition module or both. Has anyone have this problem. PLZ help
My 2008 C W203 had the same problem. Turned out to be a failing fuel pump. I complained to the service guys that my wife's 6yo c200k and the fuel pump is still going strong. Long story short, MB replace it under warranty although the car was 8months out.
Old 05-28-2014, 08:41 PM
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late 2009 CLK 350 Coupe Elegance, '65 Jaguar S Type wires
ESL = Electronic steering lock. Dealers usually replace both ESL & EIS at your expense. Only replace what is necessary.

Common causes of no start with crank are.

No Spark = coils, plugs etc.
Spark at the wrong time = CPS
No fuel pressure = Bad pump or clogged filter
EIS or ESL

Last edited by Glyn M Ruck; 05-31-2014 at 02:50 PM.
Old 05-30-2014, 04:59 AM
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08 C350
Thanx

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