SL55 AMG, SL63 AMG, SL65 AMG (R230) 2002 - 2011 (2003 US for SL55 and 2004 for the SL65)

SL55/63/65/R230 AMG: My 2011 SL63 is sick, doing whacky things...

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Old Mar 2, 2017 | 01:29 PM
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cls55
My 2011 SL63 is sick, doing whacky things...

I thought I just needed a tuneup, as it was giving the symptoms of running rough but it progressed to occasionally stalling upon take off from a light, and yesterday the battery icon came on despite replacing both last year, and these whacky things: hit the gas and it chugged along as though it had bad gas or a spark plug wire was disconnected, in other words give it the gas and it barely moved for a few moments, the interior lights did not work nor did the lighter have power---and then it would suddenly be fine, and finally the radio would turn off suddenly and come back on a few seconds later. The only thing that isn't intermittant is the rough running--that never ceases.
The car has 26000 miles has had no service other than oil changes and the 2 new batteries. Before I take it to the dealer does anyone have any thoughts about what it can possibly be? And should I even drive it to the dealer or have him come get it? Thanks for any responses.
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Old Mar 2, 2017 | 03:42 PM
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Porsche guy who drives SL63 w/ perf pkg AND perf suspension
its a problem a ecu diagnosis can find
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Old Mar 2, 2017 | 04:04 PM
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2003 AMG SL55, 2002 AMG CLK55, 2002 AMG ML55, 2005 ML350, 1995 S320 LWB - totaled
So many systems failing at once all of them are controlled by the ECU.
Either loose connection or ECU failing.
A code reader will tell you.
Trip to someone who has one is required.
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