I have a 1999 m104 model S Class.Never no problems jumping cars,or being jumped.More likely a problem you had,unless you got polarity backwards.Check all fuses,my computer box each computer has its own fuses.Check all relays and grounds too.

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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