Blend Doors in HVAC May Stop Working Due to Bad Vacuum Actuators: Mercedes-Benz 500E Heating & Air Conditioning

Problem overview

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.

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Mercedes-Benz 500E vehicles with this problem

2 model years affected

1993 Mercedes-Benz 500E

1992 Mercedes-Benz 500E

1993 Mercedes-Benz 500E

1992 Mercedes-Benz 500E

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Blend Doors in HVAC May Stop Working Due to Bad Vacuum Actuators on Mercedes-Benz 500E

Problem overview

Mercedes-Benz 500E vehicles with this problem

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