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  #1  
Old 02-27-2011, 02:26 PM
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Question C220 will not start

Hello,

I have a problem with my wife's 96 C220. I replaced the motor mounts on the car, and now the car cranks over but there is no spark at the cylinders.

Before I even touched the mounts It was starting and running fine except for the vibration at idle.

I have read that it could be the crank position sensor or the OVP. I removed the overload protection relay and jumped positions 1 and 2 and heard fuel move into the engine then the car started then stopped...im thinking OVP...

Could it just be a freak occurance?...the relay cover did come off in my hand when i removed it..and the solder connections do look a little iffy.

I checked all the connections underneath and everything seems to be in order..

The car has 151,000 miles on it now...any advice is appreciated...

Much Thanks


-Rashad
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  #2  
Old 02-28-2011, 09:40 AM
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Are the red/green lights on the mirror flashing?

Have you tried liocking/unlocking the car?
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  #3  
Old 02-28-2011, 11:36 AM
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yes i tried unlocking and locking the car, and even used the valet key.

the red and green lights are flashing
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  #4  
Old 02-28-2011, 11:53 AM
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Wiring harness?

Look at the engine wiring harness. Does it have cracked insulation? I replaced the engine wiring harness on my 95 C220 and when I was replacing a bad head gasket the wires that connect to the coils went bad also. By moving the engine around you may have shorted out the wires that connect to the coils. I would start there. John
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  #5  
Old 03-01-2011, 02:46 PM
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yes, the insulation is cracking..ahh..i was dreading the wiring harness replacement...but eh..it shouldnt be too bad..
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  #6  
Old 03-01-2011, 03:19 PM
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Have you read codes from the ODB2 connector?
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MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
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  #7  
Old 03-01-2011, 10:13 PM
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the last codes were for air injection pump, i cleared the codes...before this happened

now..no CEL
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  #8  
Old 03-05-2011, 08:13 PM
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Car started up after i replaced the OVP...now its running better than ever..no CEL either...

woot!
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  #9  
Old 09-01-2011, 12:12 PM
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old thread..... but just want to know where you got your wiring harnesss or did you DIY it? I'm thinking about doing mine.... having the head done so this would be a good time.
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