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Mercedes-Benz S420 Problems

Throttle Valves May Experience Electrical Failure on Mercedes-Benz S420

Problem Description and Possible Solution

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.

(8 people reported this problem)

Mercedes-Benz S420 Vehicles With This Problem

RepairPal Verified
Average mileage: 130,000 (130,000–130,000)
6 model years affected: 1994, 1995, 1996, 1997, more1998, 1999
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