Overview - multifunction steering wheel

1. - Tiptronic switch in steering wheel to shift down - E439-
   • Removal and installation
2. - 3-spoke steering wheel
3. - Tiptronic switch in steering wheel to shift up - E438-
   • Removal and installation
4. - Screw
   • 2.0 Nm
5. - Multifunction buttons on right in steering wheel - E441-
   • Removal and installation
6. - Multifunction buttons on left in steering wheel - E440-
   • Removal and installation

Removing and installing steering wheel multifunction buttons -E441- / -E440-

Special tools and workshop equipment required

• Release lever - U30800-

removing

• Switch off ignition and all electrical equipment.

Vehicles without access and start authorisation system

• Remove ignition key, if fitted.

Vehicles with access and start authorisation system

• Store ignition key outside the vehicle to prevent the ignition from being switched on unintentionally.

Continued for all vehicles

• Remove driver airbag.
• Take connecting wires out of their guides in steering wheel.
• Clip out the multi-function buttons -1- with the wedge - U30800- as shown in the figure.

• At the same time, pay attention to connectors leading to Tiptronic switches -2-.
• Release and detach the plug connectors of the multi-function buttons.

fitting

Installation is carried out in the reverse sequence; note the following:

• Ensure connecting wiring -2- for Tiptronic switches is routed as shown in illustration.
• Route remaining connecting wiring, including connectors, through guides in steering wheel.
• Finally, check again that wiring in steering wheel is correctly routed.

Removing and installing Tiptronic switch in steering wheel -E439- / -E438-

removing

• Switch off ignition and all electrical equipment.

Vehicles without access and start authorisation system

• Remove ignition key, if fitted.

Vehicles with access and start authorisation system

• Store ignition key outside the vehicle to prevent the ignition from being switched on unintentionally.

Continued for all vehicles

• Remove the multi-functional buttons on steering wheel.
• Remove bolt -2- on steering wheel -1- and detach Tiptronic switch with connecting wire towards rear.

fitting

Installation is carried out in the reverse sequence; note the following:

• Observe position/routing of wiring -2- to multifunction button.