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

SL55/63/65/R230 AMG: ENGINE SHUT OFF ON ITS OWN??? HELP!

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Old Apr 10, 2010 | 07:09 PM
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2005 SL55 AMG
ENGINE SHUT OFF ON ITS OWN??? HELP!

Haven't driven my car for a few weeks. So I started my car and left it there for the battery to charge. Five minutes later the engine shut off on its own. Got kinda scared, but managed enough courage to start it again. This time, nothing happen. Drove it around for 15 minutes and everything seems okay.

Has your car ever shut off on its own?

Last edited by poker_emperor; Apr 10, 2010 at 08:11 PM.
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Old Apr 11, 2010 | 07:43 AM
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Originally Posted by poker_emperor
Has your car ever shut off on its own?
Yes, and while driving none the less! Well, it was my girlfriends C43 with her in it.

Anyway, turned out the "crankshaft sensor" (do you call it that?) was going bad. Replaced and fixed.

However, don't know it that's your problem. Did you start it with keyless go and walk away with the key?
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Old Apr 11, 2010 | 12:09 PM
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2005 SL55 AMG
First of all, thank you for replying. No, the key was in the car. Weird huh? Does anyone else have suggestions or at least what to tell the MB mechanic?
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Old Apr 11, 2010 | 03:14 PM
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Originally Posted by poker_emperor
First of all, thank you for replying. No, the key was in the car. Weird huh? Does anyone else have suggestions or at least what to tell the MB mechanic?
If you just let them know what happened, they will connect the car to a STAR dx system, and there should be a stored code that will let them know where to look.
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Old Apr 12, 2010 | 09:28 AM
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2005 SL55 AMG
Thanks Dino.
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Old Mar 13, 2011 | 04:12 PM
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Today, my Aston Martin V8 just shut down without any warning while driving down the freeway in the number one lane. Lucky I had enough speed to coast over 6 lanes to the shoulder and lucky it was Sunday when there were not too many cars on the freeway. It was quite unnerving. I sat there contemplating calling AAA and getting towed off this busy Los Angeles freeway. I turned the key off and back on again and it powered back up. I only drive my car on the weekends so I am wondering if this is a problem with high end vehicles that do not get driven on a regular basis.
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Old Mar 15, 2011 | 12:44 AM
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'03 SL55. Wife drives '06 SL500 and Range Rover Evoque
Yeah, I second the crank sensor theory....happened to me too. How many miles do you have on it? Mine went bad at around 60,000...
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Old Mar 15, 2011 | 10:21 AM
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Originally Posted by CHP_H8_ME
Yeah, I second the crank sensor theory....happened to me too. How many miles do you have on it? Mine went bad at around 60,000...
Same thing happened to me. It was the crank positioning sensor.
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Old Mar 15, 2011 | 01:48 PM
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Crank sensor,They typically act up when hot when they are starting to fail. Extended idling causes under hood temps to go up, heatsoaking components. I would replace it before it dies in traffic
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Old Mar 15, 2011 | 05:26 PM
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Crank Position sensor is a very common problem on our cars. Its easy to replace and only 50 bucks for the part. Take it to the dealer and they'll charge you $470.
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