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CLS63 - 2014 - Start up slow when engine warm

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Old Feb 5, 2021 | 10:36 AM
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Sebastian Wren's Avatar
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CLS63 - 2014 -W218
Exclamation CLS63 - 2014 - Start up slow when engine warm
I see there are a number of people who post about starting issues. E.g. Start/Stop not working.

Recently, the engine has started slowly when warm.

It seems the first port of call is to check the battery ? Then the starting sequence?

Any thoughts/Advice on who/what/how to investigate ?

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Old Mar 17, 2021 | 08:39 PM
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CLS 63 W218
Originally Posted by Sebastian Wren
I see there are a number of people who post about starting issues. E.g. Start/Stop not working.

Recently, the engine has started slowly when warm.

It seems the first port of call is to check the battery ? Then the starting sequence?

Any thoughts/Advice on who/what/how to investigate ?

I also have issue without finding any solution and no fault codes
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Old Mar 18, 2021 | 06:26 AM
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CLS63 - 2014 -W218
Originally Posted by Cls63pp
I also have issue without finding any solution and no fault codes
Just change the bat. Literally like a new car! Good luck finding one though!
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Old Mar 18, 2021 | 07:02 AM
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CLS 63 W218
Originally Posted by Sebastian Wren
Just change the bat. Literally like a new car! Good luck finding one though!
I have also changed the battery and it starts up faster now but when warm sometimes slower....did you change the little battery in the trunk also?
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Old Mar 18, 2021 | 08:09 AM
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CLS63 - 2014 -W218
Originally Posted by Cls63pp
I have also changed the battery and it starts up faster now but when warm sometimes slower....did you change the little battery in the trunk also?
Oh nice. Yeah, that was changed last year. Not sure what powers what. But potentially worth it. I was advised a 6 year max lifespan for each bat..

which year is yours ?

Also, does yours make any rattle/cabin noises. The amount of clicks and rattles it has is silly for a premium car
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Old Mar 18, 2021 | 01:38 PM
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Cls63 & C32
The issue is in the motor starter, those 278 starter are bad, my cls has 47000km and i just change the starter cause of slow engine starting when warm.
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