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#1
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1994 C280 electrical woes
The weirdest thing started happening Sunday morning.
Drove the car home Saturday night with only a little bit of a problem starting. I had to turn the key for a while to get it to start turning over, then I pumped the gas just a bit and it started. Drove it home about 30 miles without any problems. Started it sunday morning and the ABS light started blinking and the engine was cycling between about 1200rpms and 500 rpms...up...down...up....down. Tried to turn on the radio, it would raise the antenna, but the tuner would never work. A/C didn't work and cruise was out. I went ahead and drove it...about 15 miles later, it seemed to clear up. However, the radio will come on at the strangest times and just go right back off. A/C is working and cruise will work sometimes. Could this be related to the wiring harness?? I posted a message a while back about starting problems and a few people said the wiring harness? needs to be replaced. Also, I have noticed a couple of wires near the front of the engine where the insulation has been coming off and I can see the the actual copper wire...it's just above the brake resevoir (or is it power steering resevoir).
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1994 C280 204k miles |
#2
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Sounds like the alternator is OVER-charging.
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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) Retired Moderator |
#3
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Either that and/or the OVP is flipping out.
Joe
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Project Smoker, '87 603 powered wagon Hauler, 96 CTD can you say torque? Toy 73 Cougar xr7 convertible Acme Automotive Inc. Raleigh NC 919-881-0364 |
#4
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I had the OVP replaced...I need to check the part number on the unit to make sure.
Alternator? Didn't even think of that, I was so focused on the wiring harness going bad. I will try to send pics of the frayed wires and see what you guys think this evening.
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1994 C280 204k miles |
#5
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Just to double-check, where is the OVP located on a '94 C280? thanks.
edit: Seems like it was on the passenger side near the firewall underneath a large plastic cover?
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1994 C280 204k miles Last edited by dwcasey; 09-08-2003 at 03:32 PM. |
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