Necessary preliminary tasks:
Press out light control unit (1) from inside.
Fig. 175: Pressing Out Light Control Unit
Disconnect plug connection (1).
Remove light control unit.
Installation:
Make sure retainers (2) are correctly seated on trim of light control unit.
If necessary, replace faulty retainers.
Fig. 176: Identifying Plug Connection And Retainers
Replacement:
Release screws (1).
Remove light control unit (2) from trim (3).
Fig. 177: Identifying Light Control Unit And Trim
REMOVING AND INSTALLING OR REPLACING ROOF SWITCH CENTRE
Special tools required:
IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection).
IMPORTANT: Follow instructions for handling light bulbs (interior lights).
Carefully lever out trim (1) with special tool 00 9 340.
Fig. 178: Levering Out Trim With Special Tool 00 9 340
Unlock retaining clip (1).
Lever out roof switch center with special tool 00 9 317.
Disconnect plug connections underneath.
Installation:
Before installing, fit trim on roof switch center.
Make sure trim is correctly seated.
Position roof switch cluster at an angle of 90º with respect to the headliner and attach.
Fig. 179: Unlocking Retaining Clip
IMPORTANT: Disconnecting the plug connection for the hands-free microphone or emergency SOS call button results in fault memory entries in the telephone control unit (limitation in the emergency SOS call system).
After fitting, read out fault memory and if necessary delete entries.
Replacement:
REMOVING AND INSTALLING/REPLACING CENTRE CONSOLE SWITCH CLUSTER
Necessary preliminary tasks:
Disconnect plug connection (1) and expose ribbon cable up to center console switch cluster (2).
Unclip center console switch cluster (2) at retaining points (3).
Remove center console switch cluster (2) in direction of arrow from instrument panel trim.
Fig. 180: Removing Centre Console Switch Cluster From Instrument Panel Trim
REMOVING AND INSTALLING/REPLACING SWITCH FOR HAZARD WARNING FLASHERS/CENTRAL LOCKING
Special tools required:
Lever out switch for hazard warning system/central locking (1) with special tool 00 9 340 and pull back.
Disconnect associated plug connection and remove switch for hazard warning system/central locking (1).
Fig. 181: Identifying Switch For Hazard Warning System/Central Locking
REMOVING AND INSTALLING/REPLACING SWITCH FOR LEFT OR RIGHT SEAT HEATING (REAR)
Special tools required:
Unclip trim with special tool 00 9 340.
Fig. 182: Uncliping Trim With Special Tool 00 9 340
Disconnect plug connection (1).
Press locks (2) together and press switches for seat heating out of trim (3).
Fig. 183: Pressing Seat Heating Switches Out Of Trim
REPLACING ROCKER SWITCH FOR SIDE WINDOW OPERATION (REAR)
Special tools required:
Lever rocker switch (1) with special tool 00 9 317 upwards out of armrest.
Disconnect plug connection.
Fig. 184: Removing Rocker Switch
Installation:
Retaining hooks (1) of rocker switch (2) must not be damaged.
Make sure rocker switch (2) is correctly seated.
Fig. 185: Identifying Hooks Of Rocker Switch
REMOVING AND INSTALLING/REPLACING POWER WINDOW SWITCH (DRIVER'S SIDE)
Special tools required:
Lever rocker switch (1) with special tool 00 9 317 upwards out of armrest.
Fig. 186: Removing Rocker Switch
Disconnect plug connection (1).
Installation:
Make sure retainers (2) are correctly seated on power window switch.
Fig. 187: Identifying Plug Connection And Retainers
REMOVING AND INSTALLING/REPLACING POWER WINDOW SWITCH (PASSENGER SIDE)
Special tools required:
Lever rocker switch (1) with special tool 00 9 317 upwards out of armrest.
Disconnect plug connection.
Fig. 188: Removing Rocker Switch
Installation:
Retaining hooks (1) of rocker switch (2) must not be damaged.
Make sure rocker switch (2) is correctly seated.
Fig. 189: Identifying Hooks Of Rocker Switch