Mercedes-Benz 2013 GL X166 Operator's Manual page 19

Seat belts
Adjusting the driver's and front-
passenger seat belt ......................... 57
Adjusting the height ......................... 57
Belt force limiters ............................ 59
Cleaning ......................................... 373
Correct usage .................................. 55
Emergency Tensioning Devices ........ 59
Fastening ......................................... 56
Important safety guidelines ............. 54
Releasing ......................................... 58
Safety guidelines ............................. 44
Switching belt adjustment on/off
(on-board computer) ...................... 279
Warning lamp ................................. 316
Warning lamp (function) ................... 58
Seats
Adjusting (electrically) ................... 106
Adjusting the head restraint .......... 106
Cleaning the cover ......................... 372
Correct driver's seat position ........ 104
Entry position (3rd row of seats) .... 111
Exit position (3rd row of seats) ...... 111
Folding down/up (third row of
seats) ............................................. 109
Folding the 2nd row of seats
forward electrically ........................ 112
Folding the 2nd row of seats
forward manually ........................... 110
Folding the rear bench seat
forwards/back ............................... 334
Important safety notes .................. 105
Overview ........................................ 105
Seat heating problem .................... 114
Seat ventilation problem ................ 114
Storing settings (memory
function) ........................................ 120
Switching seat heating on/off ....... 113
Switching seat ventilation on/off . . 114
Seats (rear)
see Rear seats
Selector lever
Cleaning ......................................... 372
Sensors (cleaning instructions) ....... 369
Service
see ASSYST PLUS
Service menu (on-board computer) . 275
Service products
Brake fluid ..................................... 439
Coolant (engine) ............................ 440
DEF special additives ..................... 438
Engine oil ....................................... 438
Fuel ................................................ 435
Important safety notes .................. 434
Washer fluid ................................... 440
Service work
see ASSYST PLUS
Settings
Factory (on-board computer) ......... 280
On-board computer ....................... 276
Setting the air distribution ............... 149
Setting the airflow ............................ 150
Short journeys (diesel particle
filter) ................................................... 182
Side impact air bag ............................. 47
Side marker lamp (display
message) ............................................ 296
Side windows
Cleaning ......................................... 368
Convenience closing feature ............ 95
Convenience opening feature .......... 95
Hinged side windows ....................... 94
Important safety information ........... 93
Opening/closing .............................. 94
Overview .......................................... 93
Problem (malfunction) ..................... 98
Resetting ......................................... 96
Sliding sunroof
Important safety notes .................... 98
Opening/closing .............................. 99
Problem (malfunction) ................... 102
Resetting ....................................... 100
see Panorama roof with power
tilt/sliding panel
SmartKey
Changing the battery ....................... 83
Changing the programming ............. 82
Checking the battery ....................... 83
Convenience closing feature ............ 96
Convenience opening feature .......... 95
Display message ............................ 314
Door central locking/unlocking ....... 81
Important safety notes .................... 80
Loss ................................................. 85
Mechanical key ................................ 82
Index
17