Necessary preliminary work:
Release screws (1) on left/right on back of steering wheel (2).
Fig. 226: Identifying Steering Wheel Back With Screw
NOTE: Both multifunction steering wheel switches (1) are connected to each other by the wiring harness (2).
Feed wiring harness (2) out of steering wheel.
Remove both multifunction steering wheel switches (1) in direction of arrow.
Fig. 227: Removing Multifunction Steering Wheel Switches
Disconnect plug connection (1) and remove both multifunction steering wheel switches (2).
Installation note: Make sure electrical wiring is correctly routed.
Fig. 228: Identifying Multifunction Steering Wheel Switch With Plug
Connection
REMOVING AND INSTALLING/REPLACING EMERGENCY STARTING COIL
Necessary preliminary work:
Release emergency starting coil (1) and pull in direction of arrow out of steering column shroud (2).
Installation note: Make sure emergency starting coil (1) is correctly seated.
Fig. 229: Pulling Out Emergency Starting Coil From Steering Column Shroud
REMOVING AND INSTALLING/REPLACING GRIP COVER FOR GEAR SELECTOR SWITCH (CERAMIC APPLICATION, OPERATING ELEMENTS)
Notes
Carefully unclip knob cover (1) 00 9 322 with special tool at points (2) from gear selector switch (3) and remove in direction of arrow.
Fig. 230: Removing Gear Selector Switch Knob Cover
Release screws (1) and remove support (2).
Tightening torque 61 31 4AZ.
Fig. 231: Identifying Gear Selector Switch Support And Screw
IMPORTANT: Removed ceramic carrier (2) must not be reused.
Installation note: Engagement lugs (1) of ceramic carrier (2) must not be damaged.
Fig. 232: Identifying Engagement Lugs On Ceramic Carrier
REMOVING AND INSTALLING/REPLACING HOTEL SETTING SWITCH
Necessary preliminary tasks:
Press hotel setting switch (1) from below upwards in direction of arrow.
Disconnect plug connection underneath and remove hotel setting switch (1).
Fig. 233: Pressing Hotel Setting Switch
REMOVING AND INSTALLING/REPLACING POWER WINDOW SWITCH (DRIVER'S SIDE)
Necessary preliminary work:
Pull locking pins (1) out of frame (2) for power window switch (3).
Press power window switch (3) upwards in direction of arrow and remove.
Fig. 234: Pressing Power Window Switch
Installation note: Make sure power window switch (3) is correctly guided (1) and engaged (2).
Fig. 235: Identifying Power Window Switch
REMOVING AND INSTALLING/REPLACING RADIO AND A/C CONTROL PANEL
Notes
IMPORTANT: Risk of damage!
A hard disk is installed in the Car Information Computer (CIC).
Carry out mechanical work on the CIC and adjacent components with care.
Avoid subjecting the CIC to vibration/shocks.
IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD PROTECTION).
IMPORTANT: Carry out installation in a dust-free workshop area only.
To avoid damage, do not touch or dirty the display field.
Necessary preliminary work:
NOTE: Example illustration!
Release screws (1).
Carefully lever out radio and A/C control panel (2) with special tool 00 9 317 at points (3) in direction of arrow.
IMPORTANT: Assign keypad depending on optional equipment.
Fig. 236: Removing A/C Control Panel Using Special Tool (00 9 317)
Unlock plug connections (1) and disconnect.
Remove radio and A/C control panel (2).
Fig. 237: Identifying A/C Control Panel With Plug Connections
REMOVING AND INSTALLING/REPLACING REAR LID BUTTON
Operation is described in:
Removing and installing MIDDLE TRIM STRIP ON REAR LID.
REMOVING AND INSTALLING/REPLACING ROOF SWITCH CLUSTER (COMPLETE WITH COVER) (ROOF FUNCTION CENTER)
Notes
IMPORTANT: Follow instructions for handling light bulbs (INTERIOR LIGHTS).
IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD PROTECTION).
Carefully unclip cover (1) with special tool 64 1 020 and remove.
Fig. 238: Removing Roof Switch Cluster Cover Using Special Tool (64 1 020)
Release screws (1).
Remove roof switch cluster (2) in direction of arrow.
Disconnect plug connections underneath.
Installation note: Make sure roof switch cluster (2) is correctly seated.
Ensure cover (1) is correctly seated.
Installation note:
Fig. 239: Removing Roof Switch Cluster
If necessary, initialize slide/tilt sunroof.
IMPORTANT: Disconnecting the plug connection for the emergency call button results in fault entries in the telephone control unit (limitation in the emergency call system).
After fitting, read out fault memory and if necessary delete entries.
REMOVING AND INSTALLING/REPLACING SWITCH FOR AUTOMATIC REAR LID ACTUATION
Notes
Lever switch for automatic rear lid actuation (1), with special tool 00 9 323 , sideways out of tailgate trim (2).
Disconnect associated plug connection and remove switch for automatic rear lid actuation (1).
Fig. 240: Removing Switch From Tailgate Trim Using Special Tool (00 9 323)
REMOVING AND INSTALLING/REPLACING SWITCH FOR ELECTROMECHANICAL PARKING BRAKE
Necessary preliminary work:
Release screws (1).
Remove switch for electromechanical parking brake (2) from cover for gear selector switch (3).
Fig. 241: Identifying Electromechanical Parking Brake With Switch And Screws
REMOVING AND INSTALLING/REPLACING SWITCH FOR FRONT LUMBAR SUPPORT
Operation is described in:
REPLACING SWITCH COMBINATION FOR FRONT SEAT ADJUSTMENT.
REMOVING AND INSTALLING/REPLACING SWITCH FOR FRONT PASSENGER AIRBAG DEACTIVATION
Notes
WARNING: Read and comply with SAFETY REGULATIONS for handling airbag modules and pyrotechnical belt pretensioners.
Incorrect handling can lead to airbag deployment and cause injury.
Necessary preliminary work
Carefully lever out side cover (1) with special tool 00 9 323.
Fig. 242: Removing Out Side Cover Using Special Tool (00 9 323)
Disconnect plug connection (1).
Release latch mechanisms (4) in direction of arrow.
Feed switch for front passenger airbag deactivation (2) out of side cover (3).
Installation note: Make sure switch for passenger airbag deactivation (2) is correctly seated in side cover (3).
Fig. 243: Releasing Latch Mechanisms
REMOVING AND INSTALLING/REPLACING SWITCH FOR HAZARD WARNING FLASHERS/CENTRAL LOCKING
Necessary preliminary work
Unclip switch for hazard warning flashers/central locking (1) in direction of arrow from middle dashboard decorative strip (2).
Fig. 244: Removing Switch For Hazard Warning Flashers/Central Locking
REMOVING AND INSTALLING/REPLACING TRIM FOR GEAR SELECTOR SWITCH
Necessary preliminary work
NOTE: Trim for gear selector switch (2) is secured from version 04/2009 with four screws.
Release screws (1) and raise trim for gear selector switch (2) slightly.
Disconnect plug connection underneath for parking brake switch and remove trim for gear selector switch (2).
Fig. 245: Identifying Gear Selector Switch With Screws
Replacement:
Remove SWITCH FOR ELECTROMECHANICAL PARKING BRAKE.
REMOVING SWITCH FOR GLOVE BOX LIGHT
Necessary preliminary tasks:
Unlock switch for glove box light (1) on both sides and press in direction of arrow out of glove box (2).
Installation: Make sure switch for glove box light (1) is correctly seated.
Fig. 246: Pressing Out Switch From Glove Box Light