Seat belts
Adjusting the driver's and front-
passenger seat belt ......................... 54
Adjusting the height ......................... 54
Belt force limiters ............................ 56
center rear-compartment seat ......... 55
Cleaning ......................................... 320
Correct usage .................................. 52
Emergency Tensioning Devices ........ 56
Fastening ......................................... 53
Important safety guidelines ............. 51
Releasing ......................................... 55
Safety guidelines ............................. 39
Special seat belt retractor ............... 59
Switching belt adjustment on/off
(on-board computer) ...................... 229
Warning lamp ................................. 261
Warning lamp (function) ................... 55
Seats
Active multicontour seat ................ 102
Adjusting (electrically) ................... 100
Adjusting the 4-way lumbar
support .......................................... 103
Adjusting the head restraint .......... 100
Cleaning the cover ......................... 320
Correct driver's seat position ........... 98
Folding the backrest (rear
compartment) forwards/back ....... 280
Important safety notes .................... 99
Seat heating problem .................... 106
Seat ventilation problem ................ 106
Storing settings (memory
function) ........................................ 111
Switching seat heating on/off ....... 105
Switching seat ventilation on/off .. 106
Sensors (cleaning instructions) ....... 317
Service
see ASSYST PLUS service interval
display
Service interval display
Displaying service messages ......... 313
Hiding service messages ............... 313
Notes ............................................. 313
Service messages .......................... 312
Service menu (on-board computer) . 226
Service products
Brake fluid ..................................... 388
Capacities ...................................... 384
Coolant (engine) ............................ 389
DEF special additives ..................... 387
Engine oil ....................................... 387
Fuel ................................................ 385
Important safety notes .................. 382
Refrigerant (air-conditioning
system) .......................................... 388
Washer fluid ................................... 389
Settings
Factory (on-board computer) ......... 230
On-board computer ....................... 226
Setting the air distribution ............... 137
Setting the airflow ............................ 137
SETUP (on-board computer) ............. 230
Side impact air bag ............................. 42
Side marker lamp (display
message) ............................................ 244
Side windows
Convenience closing feature ............ 91
Convenience opening feature .......... 91
Important safety information ........... 90
Opening/closing .............................. 90
Problem (malfunction) ..................... 92
Resetting ......................................... 92
Skibag ................................................ 277
Sliding sunroof
Important safety notes .................... 93
Opening/closing .............................. 94
Problem (malfunction) ..................... 96
Resetting ......................................... 94
see Panorama roof with power
tilt/sliding panel
SmartKey
Changing the battery ....................... 78
Changing the programming ............. 77
Checking the battery ....................... 78
Convenience closing feature ............ 91
Convenience opening feature .......... 91
Display message ............................ 259
Door central locking/unlocking ....... 74
Important safety notes .................... 74
Loss ................................................. 80
Mechanical key ................................ 77
Positions (ignition lock) ................. 145
Problem (malfunction) ..................... 80
Starting the engine ........................ 147
Snow chains .............................. 174, 349
16
Index