SL55/63/65/R230 AMG: Car turned off while driving, what might be the problem here?
#1
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Thread Starter
Car turned off while driving, what might be the problem here?
Weird.. first time it happened was about 2 months ago as I was parking in my spot the car stopped- thought it was weird, started it and parked.
this past weekend, as I was pulling out of my driveway, the car turned off and I had to start it up again- it was back in good condition.
Now today, as I was heading out of my gym, I was taking a fairly quick turn and the car turned off in the middle of it! I kept pressing the gas pedal with absolutely no power for about a second or two and went back to power.
Anyone have any clue on what's going on? TIA
this past weekend, as I was pulling out of my driveway, the car turned off and I had to start it up again- it was back in good condition.
Now today, as I was heading out of my gym, I was taking a fairly quick turn and the car turned off in the middle of it! I kept pressing the gas pedal with absolutely no power for about a second or two and went back to power.
Anyone have any clue on what's going on? TIA
#2
Super Member
this happened to me before on i95 in baltimore during rush hour, lucky there was a cop behind us, n we just pushed the car over, found out it was the starter battery, never had the problem again, tho yours could be something else
#4
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Thread Starter
Anyone else, I checked the battery and they seemed fine.
the car turned off again today while on the road and turned right back on
the other day it turned off and stayed off until I put it in park and restart it
the car turned off again today while on the road and turned right back on
the other day it turned off and stayed off until I put it in park and restart it
#5
Member
While you're waiting for an answer here, you could be killed the next time it dies unexpectedly. After happening this many times, it needs to get to the shop ASAP. Don't risk it...
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#8
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#10
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Well.. I ended up changing the crankshaft sensor with a friend and it still happened, I was hitting about 80mph and the car lost its power.
so weird, I just got a new key for the car about last month, could it be the key by any chance? its a newer style key
so weird, I just got a new key for the car about last month, could it be the key by any chance? its a newer style key
#11
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W215 V12TT Build by Speedriven, W221 S550 4Matic
Same exact problem happened to me today while driving. The car shut off when I was in traffic, I had no clue what was happening since it started right back up and was breaking up a few times. I went home lifted my trunk carpet and moved the wires around on the battery. Sure enough they were loose. I got a 10mm socket and fixed the problem. Took the car for a nice 40 mile ride and had no issues.
Good Luck
KAMIL
Good Luck
KAMIL
#12
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E63 P30, CL500 Sport
I would take the car to the dealership for diagnosis as soon as possible. As others have mentioned, this is a particularly dangerous symptom and a big safety concern. If the battery is not fault and is strapped down good, there maybe bad wiring somewhere ![nix](https://mbworld.org/forums/images/smilies/nixweiss.gif)
Please keep us posted on this......
![nix](https://mbworld.org/forums/images/smilies/nixweiss.gif)
Please keep us posted on this......
#13
MBWorld Fanatic!
This can be any number of faulty sensors, bad fuel, battery short, faulty ESP, and yes could also be SBC....
The new key could also be the culprit where do you keep it while driving?
Mbe the battery inside the key is not seated properly and it loses signal to the Keyless go...
Whatever the problem this deserves a workshop lookover. My 330i did this and it was a camshaft sensor.
The new key could also be the culprit where do you keep it while driving?
Mbe the battery inside the key is not seated properly and it loses signal to the Keyless go...
Whatever the problem this deserves a workshop lookover. My 330i did this and it was a camshaft sensor.
#14
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Thread Starter
This can be any number of faulty sensors, bad fuel, battery short, faulty ESP, and yes could also be SBC....
The new key could also be the culprit where do you keep it while driving?
Mbe the battery inside the key is not seated properly and it loses signal to the Keyless go...
Whatever the problem this deserves a workshop lookover. My 330i did this and it was a camshaft sensor.
The new key could also be the culprit where do you keep it while driving?
Mbe the battery inside the key is not seated properly and it loses signal to the Keyless go...
Whatever the problem this deserves a workshop lookover. My 330i did this and it was a camshaft sensor.
haven't driven my car yet, must say I'm a bit scared to do so. Tomorrow morning it's going back to the shop for a diagnosis test to see exactly what the problem is..
Gosh, I just got the car in February and already having problems. My last car, a BMW 330ci had the same symptoms around the same exact mileage I have on the SL55 (47k) and turned out to be the alternator..
I guess it's just my luck!
#15
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Thread Starter
So I gave in the car to a local indy shop, who charged me $95 to diagnose the car and tell me afterwards that it's because of a bad ignition starter.. which they can't replace because only mercedes is authorized to do it.
I gave the car to mercedes right after, and the guy tells me it's not throwing out any codes![Frown](https://mbworld.org/forums/images/smilies/frown.gif)
Mysterious problem going on with the car right now, they'll keep the car overnight and find out what's going on, hopefully.
I gave the car to mercedes right after, and the guy tells me it's not throwing out any codes
![Frown](https://mbworld.org/forums/images/smilies/frown.gif)
Mysterious problem going on with the car right now, they'll keep the car overnight and find out what's going on, hopefully.
#16
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2003 C230 Coupe
I had a similar problem on a 99 E320 and it turned out to be the crankshaft position sensor. Apparently the same p/n is used in several models.
In any case, the above posts indicate several possible reasons for the intermittent problem. When I had the issues they usually occurred after the engine had warmed up. So that may be an additional clue for you or the repair shop.
Too bad an event such as tis that causes the engine computer to shut it down is not recorded so that the repair shop would be able to quickly replace the offending sensor.
In any case, the above posts indicate several possible reasons for the intermittent problem. When I had the issues they usually occurred after the engine had warmed up. So that may be an additional clue for you or the repair shop.
Too bad an event such as tis that causes the engine computer to shut it down is not recorded so that the repair shop would be able to quickly replace the offending sensor.
#17
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Thread Starter
I had already replaced the crankshaft sensor and it's still causing the same problems..
Well today I got the car back from mercedes, they told me they couldn't find anything wrong with it. the second I got out of the dealership, it turned off on me, twice.
I brought the car back, took the guy for a spin with me and nothing would go wrong with it!!
So the car is stuck with the dealer for a while until they figure out whats wrong with it.
Well today I got the car back from mercedes, they told me they couldn't find anything wrong with it. the second I got out of the dealership, it turned off on me, twice.
I brought the car back, took the guy for a spin with me and nothing would go wrong with it!!
So the car is stuck with the dealer for a while until they figure out whats wrong with it.
#22
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Thread Starter
Got the car back from the dealership after 3 days, they couldn't find anything and the car hasn't stopped ever since.
It's funny, because I went to another dealership (indy shop, Autoscope in Plano, TX) and they said it was my ignition starter so they have a reason to charge me a $95 diagnosis fee. Mercedes told me it was BS and didn't charge me anything since they couldn't find anything wrong with the car, and let me have a free loaner for 3 days while they worked on it
Hopefully it'll stay this way
It's funny, because I went to another dealership (indy shop, Autoscope in Plano, TX) and they said it was my ignition starter so they have a reason to charge me a $95 diagnosis fee. Mercedes told me it was BS and didn't charge me anything since they couldn't find anything wrong with the car, and let me have a free loaner for 3 days while they worked on it
Hopefully it'll stay this way