C36 AMG, C43 AMG (W202) 1995 - 2000

Need your advice urgently... car engine turned off in the middle of the highway

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Old Oct 14, 2015 | 04:11 PM
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amer-abdulla_87's Avatar
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C43 ///AMG
Need your advice urgently... car engine turned off in the middle of the highway

I just finished swapping the 5.5 engine then took the car for ride.. Almost for two hours there was no issues at all .. Everything was smooth and looked fine. Suddenly the engine turned off while am driving in the highway , the BAS ESP popped in, and the car refused to start.

Please share if there is anything can be done or to checked to restart the engine.
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Old Oct 14, 2015 | 06:00 PM
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05 c55 silver, 98 Imperial Red C43
Ive heard this kind of issue can be associated with a voltage regulator or crank position sensor.

My friends c36 kept shutting off on him while driving. Turned out to be the CPS
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Old Oct 15, 2015 | 08:02 PM
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C43 w/clk55 Organs
As PJ said most likely CPS, does it start ok after a few hours of cooling down? if so then definitely CPS

I have a spare one in my boot with 1/4 E8 torx...
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Old Oct 15, 2015 | 11:59 PM
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1999 C43 AMG
CPS... happened to me before. After swapping it out, never happened again
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Old Oct 16, 2015 | 01:44 AM
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C43 ///AMG
Thank you guys for the feedback. The issues was far then a defected CPS as I've already replaced it 4 months ago, and the engine is not cranking out at all at this moment. Also, and when diagnosing there was no power to start the test computer (STAR) .. Even so the battery is in good health as all of the internal lights, head lights & the radio are on..
It seems that the fuse relay unit or the connection to it have an issue , I tried stupid thing by slapping it & fortunately it worked!
The engine started when the car was in PARKED condition, but the moment I start driving within less than 30 second it stopped again!!
So I tried 3 different relay units (having the same code) & I had exactly the same issue with them.

Gonna check on this more on Saturday and we'll revert feedback soon.






Fuse Relay unit.
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Old Oct 21, 2015 | 10:39 AM
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C43 ///AMG
Found out the problem, It was the fuse relay itself and the connection to it.. replaced it with a used good condition relay unit. Tho, this part was not moved or even touched during the engine swap

Anyhow, issue is solved now..
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