Mercedes-Benz 420SEL Problem Report
Mercedes-Benz 420SEL Improper Temperature Output From HVAC
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.
Other than a defective motor, a bad switch or blower motor resistor assembly can cause an inope...
One or more door windows may stop working due to a failed window regulator. Replacement of the...
The light and buzzer works from any other door in the car
dashboard gauges not working
but was told i could cause more issues by jumping or trying to charge the batt