Question about 1990 Mercedes-Benz 190
Run the fault codes first and if no faults then use the code reader to reset the CPU as the program may be corrupted.
Posted on Feb 09, 2014
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Posted on Jan 02, 2017
Posotive can be found in hood driver side next to fuse box. It is a small rectangle box. You can hook negative to any solid ground on the car.
Posted on Jun 14, 2009
under the passenger side false floor in front footwell is the alarm module. Pull the carpet up and remove the 2 10mm bolts from the false floor. There are 2 control units on the backside of the floor. One of them is the alarm module. unplug it and you won,t have an alarm any more. good luck
Posted on Jun 18, 2009
Starter motor on this car is imposible to get to..better find the post forward of the drivers side fuse box in the engine compartment where a bunch of wires come together. This is a positive terminal attach red jumper here put the negative jumper on any bare metal bracket of the engine
Posted on Aug 14, 2009
I had same problem with my 1994 SL600. Also when this happens you will lose your interior door lights when you open the doors. My problem was solved by taking out the, A-white 40 amp 12V Relay and cleaning off the 6-prongs and reinstalling. It is located in the box underhood ahead of the main fuse box. Just need a phillips screwdriver. It is the fartherest relay in back left. I had to pull the one out in front of it to be able to remove the white one. You can hear it click when you push in dooropen switch. When working right you do not hear it. Hope this helps.
Posted on Sep 18, 2009
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