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Discussion Starter #1
Hi, new to this forum, I have a 2006 slk55 amg and it will not crank. new full charged battery, put key in and turn it to on position and everything works as should, engine fan comes on as well not sure if that is normal, turn the rest of the way to crank and nothing not even a click. I changed out the start relay and nothing. both key fobs seem to be working fine. Here is a little history, took the hood off to paint... then started the car and it started slow as if low battery but it started, had it outside for about a week and went to start and everything else seemed to work fine but no crank. So I replaced the battery and made sure it was charged full first and anyway no crank. Does anyone have any ideas, thanks

Rob
 

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Administrator 2009 SLK 55 AMG/Founding Member 2006
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Administrator 2009 SLK 55 AMG/Founding Member 2006
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96,657 Posts
Hi!

full charged battery? so it is a brand new battery or a battery that is not new but fully charged?
 

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Premium Member 2005 SLK55 AMG
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11,404 Posts
Hi Rob,and welcome from the UK Midlands! :)

I can't offer advice on your issue, but hope you get it resolved soon..
 

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Registered 2005 SLK55 AMG
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1,697 Posts
Check fuses. If all good, get under the car and jump power directly to the starter motor. If it doesn't spin, then....
 

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Registered 2009 SLK200
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5,051 Posts
Make sure battery is 100% percent a good one before you can proceed to any thing else like starter motor connections , key etc
 

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Premium Member 2009 SLK55 AMG
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Welcome from the Sacramento Valley SLK Enthusiasts!
 

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DAS/STAR Premium Member 2005 SLK 55 AMG
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4,024 Posts
Hmm..

May need scanning ...

Manual is saying to check the following

Power to the Ignition coils
DAS start enable signal not sent - scan needed
Voltage at the Main engine ECU

Was it left outside without the bonnet for the week ..?
 

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Registered 2009 SLK200
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5,051 Posts
My bad, it could be a bad EIS module.
Possible Eis key module
But first he needs to elliminate the car battery first as in a new one etc
Or a 100% used one if that makes sense .

Then its test starter motor then key then ............

Until he posts with update we are in limbo mode . :grin:
 

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Discussion Starter #20
Update I do believe it got water in the E.C.M. I was talking to a merc. tech. and he said because it was outside without a hood and it snowed water got into the E.C.M. and created short that is why the engine fan comes on full when key in in on position. So now talking with a company that does E.C.M. repairs, it`s only money
 
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