I had the same problem yesterday with 99 S class.I located K38 under my hood and gave the relay a little smack and it works.I ordered new one from pelican parts.On pre 96 S class its next to gas pedal,coupes behind glove box,w124s behind instruments.

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1999 w140, quit voting to old, and to old to fight, a god damned veteran, deutschland deutschland uber alles uber alles in der welt