See also:

Problems with the steering wheel heating
If steering wheel heating indicator lamp 3 is flashing, the steering wheel heating has switched off automatically. The vehicle's electrical system voltage is too low because too many electrica ...

Displaying service messages
  Switch on the ignition.   Press or on the steering wheel to select the Serv. menu.   Press or to select the ASSYST PLUS submenu and press to confirm. The service due d ...

Before changing a fuse
► Park the vehicle and apply the parking brake. ► Switch off all electrical consumers. ► Remove the SmartKey from the ignition lock. The fuses are located in various fuse boxes: ...