Throttle Valves May Experience Electrical Failure on Mercedes-Benz 500SEC

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: 178,000 (178,000–178,000)
1 model year affected: 1993
2 people reported this problem
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have half a accelerator pedal and fast idle in the morning does not work