Mercedes-Benz E500 Problem Report
Mercedes-Benz E500 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.
Vehicles with automatic level control that ride harshly in the rear (no give in the suspension...
Due to wear of the internal drive gear, the speedometer can stop working.
It is still wet so it hasn't started working yet.