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Mercedes-Benz E420 Problems

Improper Temperature Output From HVAC on Mercedes-Benz E420

Problem Description and Possible Solution

One or more blend door vacuum actuators may fail resulting in the incorrect output temperature from the HVAC system. Failed actuators will require replacement to restore proper HVAC operation.

(3 people reported this problem)

Mercedes-Benz E420 Vehicles With This Problem

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Average mileage: (–)
2 model years affected: 1994, 1995
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