CLS Coupe (C219) Discuss the CLS Coupe.

CLS 550 Wouldn't start this morning!

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Old Jan 6, 2012 | 09:46 AM
  #1  
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2007 CLS 550
Exclamation CLS 550 Wouldn't start this morning!

Hello - my first post here - thanks for taking the time to read about my issues..

I have a 2007 CLS 550, which this morning, just didn't want to start-up for me. I have key-less start and leading up to today, had a few problems occasionally with my key not being recognized for a few seconds (I assumed the battery in the key was dying).

This morning when I went to start my car - nothing - the engine attempted to turn over once but didn't manage to start. All the lights on the dash and the radio worked fine - leading me to believe it's not a battery issue (with the car at least).

I tried putting the key in the ignition and turning - and nothing..

Yesterday, while at a gas station, the car had some problems starting - but only for a few seconds - and then it fired right up..

I plan to take the car to the dealership, but I was wondering if anyone had any insight into what the problem might be? My key? Battery? Alternator? Starter Motor?

Any help or advice would be greatly appreciated - thanks!
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Old Jan 6, 2012 | 12:21 PM
  #2  
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From: Chicopee Ma
White S63 AMG W/Designo Interior
Crank position sensor
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Old Jan 6, 2012 | 12:22 PM
  #3  
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From: Chicopee Ma
White S63 AMG W/Designo Interior
Happened to my s500 easy fix
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Old Jan 6, 2012 | 06:27 PM
  #4  
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2007 CLS 550
Thanks S500 Man - I got home from work (about 10 hours later) and the same thing is happening - all the lights on the dash are working fine, but no starting - no cranking at all...

I've tried a few of the things that I've read on the forum - using a different key, moving the steering wheel, trying in neutral - no luck..

Any ideas on how to trick the car to start so I can at least drive it to the dealership?

Thanks..
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Old Jan 9, 2012 | 04:42 PM
  #5  
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From: Chicopee Ma
White S63 AMG W/Designo Interior
Dealer will tow car for free call mercedes roadside
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Old Nov 11, 2013 | 03:02 PM
  #6  
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sl600 and cls550
can someone please help, my 2007 cls 550 won't start when I try to turn on the key, does not make any sound, engine just does not response...prior to this from time to time when I try to start engine, it does not start smơothly, make a few slow crank before it turn on but a few day ago, it just not response anymore....

Thanks in advance...
tqtrin3
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Old Nov 26, 2013 | 12:05 AM
  #7  
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CLS500
Crank position sensor
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Old Nov 26, 2013 | 08:31 AM
  #8  
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From: SoFlo
W212 E250 BT 4M
Originally Posted by tqtrin3
can someone please help, my 2007 cls 550 won't start when I try to turn on the key, does not make any sound, engine just does not response...prior to this from time to time when I try to start engine, it does not start smơothly, make a few slow crank before it turn on but a few day ago, it just not response anymore....

Thanks in advance...
tqtrin3
I would check the battery first.
Its in the trunk BTW
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Old Jan 4, 2014 | 01:36 AM
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2008 CLS550, 2001 C240
try the other key
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