CL55 AMG, CL65 AMG, CL63 AMG (C215, C216) 2000 - 2014 (Two Generations)

CL55 trouble starting after sitting? Any ideas?

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Old Oct 22, 2010 | 06:09 PM
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lemonademan's Avatar
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2007 e550 4-matic
CL55 trouble starting after sitting? Any ideas?

A good friend of mine has a 04 CL55 with 43k on it. If the car sits a few days, the starter has to crank for as much as 15 seconds before it will start. It almost seems worst in the colder weather, but not sure if that matters? Once it finally starts, it stumbles for a couple seconds before the idle levles out. Has anyone heard this before or does anyone have an idea as to what may be wrong???
Thank you in advance for reading this.
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Old Oct 24, 2010 | 10:49 AM
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07 E63, 04 discovery
could be that the fuel pressure is bleeding off somewhere when it sits for a while
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Old Oct 28, 2010 | 09:39 PM
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Originally Posted by lemonademan
A good friend of mine has a 04 CL55 with 43k on it. If the car sits a few days, the starter has to crank for as much as 15 seconds before it will start. It almost seems worst in the colder weather, but not sure if that matters? Once it finally starts, it stumbles for a couple seconds before the idle levles out. Has anyone heard this before or does anyone have an idea as to what may be wrong???
Thank you in advance for reading this.
replace fuel filter. run few techron bottles through tank (one per fill up). that would be my guess....

... that or a leaky injector flooding the intake manifold given enough time. this can be troubleshot with a pressure gauge attached to the manifold for few hours. pressure suring that time should hold up.

Last edited by alx; Oct 28, 2010 at 09:46 PM.
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