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#1
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HELP... W140 Stuck in limp mode
All,
I have a 97 S500 that's stuck in limp mode. I parked the car after a 7 hr drive, got in it 1 hr later and the 3 amber and one red brake lights came on. The spedo does not move and the steering is "heavy". I checked all the fuses and disconected the battery. I have reverse and one forward gear. Any ideas? Also, I am in Port Clinton, OH; anyone know of a good indy in the area? Cheers, Steve
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97 S500 Coupe 139Kmi. 92 300CE 150Kmi. Sold 89 F250 Diesel 220Kmi. Dead 98 GMC 1500 160K. |
#2
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Most likely a blown fuse in the base module.
Base module is in the computer box at the RR section of engine compartment.
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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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Update on the problem. It went away 24hrs later. I have been driving it since. It does occour intermitently though. Most times it goes away after driving less than a quarter mile. This morning however, it took a couple of miles and went over a bump in the road(coincidence?) before it kicked out of "Limp" mode. I did check the fuses and they are good. After doing some research today, I was going to check the ASR/ABS system, brake switch, speed sensors and the ABS relay. I think I found the plug on the right side of the engine compartment. Is there a code reader to connect it? I did plug an OBD reader into the plug under the steering wheel and did not get any codes.
Cheers, Steve
__________________
97 S500 Coupe 139Kmi. 92 300CE 150Kmi. Sold 89 F250 Diesel 220Kmi. Dead 98 GMC 1500 160K. |
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