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
Concept
PDC is a support when parking. Objects that you
are approaching slowly in front of or behind the
vehicle are indicated by signal tones and a display
on the Control Display.
Depending on the equipment version: obstacles
at the side of the vehicle that are detected by the
side ultrasonic sens
Observe the following conditions prior to the A/C performance test
1. Provision of a diagnosis system. Safeguard electrical system integrity by
checking the fault memory (no
faults in the fault memory).
2. Provide a thermometer with separate gauge.
3. Perform the test in a suitable workshop area