NOTE: Ride height adjustment must be carried out after the following work:
Removal/replacement of ride height sensor or its control rod (only
necessary for vehicles with air suspension or vehicles
NOTE: The Service function Initial operation of Dynamic Drive must be
carried out
after:
Work on the Dynamic Drive system which involved opening hydraulic
lines
Replacement/Programming/Coding Dy
System-related causes (no faults)
Control tolerance when "Ignition off", but vehicle is awake (e. g.
hazard warning switch is lit): +- 7
mm (applies from integration level 10-06-500 or CAF 4.5.4-
REMOVING AND INSTALLING/REPLACING OIL LEVEL SENSOR FOR ENGINE OIL
(N63)
IMPORTANT: Read and comply with notes on protection against damage from
electrostatic
discharge (ESD protection).
Necessary preliminary work
Switch off ignition
Remove rear UNDERBODY PROTECTION
Drain off ENGINE OIL
Release
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 Unit Ventilation Line
Remove air filter (3) from holder (4).
Unclip ventilation line (1) from hold