Notes
WARNING: DANGER OF POISONING if oil is ingested/absorbed through the
skin!
RISK OF INJURY if oil comes into contact with eyes and skin!
IMPORTANT: Adhere to the utmost cleanliness. Do not allow
IMPORTANT: Risk of injury!
Drain the air spring system before carrying out any work on the air supply unit,
air pipes and air spring struts! Danger of injury if this instruction is not
complied with!
Necessary preliminary tasks
Remove REAR BUMPER TRIM
Detach ventilation line (1) in direction of arrow from air supply unit.
Unclip ventilation line (1) from holders.
Fig. 139: Locating Air Supply
Observation of the Driving Condition
The Integrated Chassis Management (ICM) control unit calculates the current
driving situation from the signals
listed below. This essentially means the longitudinal and lateral dynamic
driving condition.
Wheel speed signals from all four wheels
Lateral accel
Involved Components
The following components are involved in the wiper/washer system:
Control units
Steering column switch cluster
Central gateway module
Junction box electronics
Instrument cluster
Dynamic stability control
Rain/lights/solar/condensation sensor
Wiper switch on the