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Mercedes-Benz 500SL Throttle Valves May Experience Electrical Failure

 
Mercedes-Benz 500SL Problem
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Model Years Affected: 1990, 1991, 1992, 1993

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The electronic throttle assembly may suffer an electrical failure. It is often cheaper to send the valve to a service center for repair that to purchase a new part.

  • Visitor, , 118,000 mi

    Changed plug wires distributor caps , rotors, and now eng will not advance timing and has a miss at idel will not excellarate under load it has not ben fixed to date I think the ECM has gone bad every thing else checks out ok and no code,s are given by the compotor unles you force them to report Joe pelkey.

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