*IF* your car has a rear fog light...you have to turn the light dial on the left side of your steering wheel two clicks clockwise, then pull out two click...the light at the center of the dial should illuminate, and the rear foglight(s) should be on...on a '95 W124, it only shines on one side...I do not know about the '88...
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1995 black pearl/black Mercedes-Benz E420 :
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