Throttle Valves May Experience Electrical Failure on Mercedes-Benz E420

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.

Problem Data
RepairPal Verified
Average mileage: 171,666 (115,000–280,000)
3 model years affected: 1994, 1995, 1997
5 people reported this problem
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Electronic throttle body being sent to BBA reman for rebuild as dealer wants $1400; BBA reman $260
Throttle valve assembly failed and required replacement.