Overview - Infotainment System, MMI Radio Plus, 18E
Information Electronics Control Module 1 -J794- with
integrated CD player/SD card reader in the glove compartment
Multimedia System Control Head
Removing
WARNING
The system is under pressure.
The electronic ATF pump must be deactivated every
time before opening the transmission, and the hydraulic
pressure reservoir is drained.
Refer to
→ Chapter "ATF Pump, Deactivating and Draining the
Hydraulic Pump Reservoir".
 
Backrest Adjustment Hand Wheel, Removing and Installing
Special tools and workshop equipment required
Assembly Tool -3399-
Removing
- Move the front seat all the way forward into its highest
position.
- Turn the backrest adjustment wheel -1-
until one catch is visible from behind
-ar