Instrument display, on-board com-
puter .................................................. 123
Instrument cluster overview ................ 123
Overview of steering wheel buttons ..... 123
Operating the on-board computer ....... 124
Displays in the multifunction display ... 124
Adjusting the instrument cluster light-
ing ....................................................... 125
Menus and submenus ......................... 125
Multimedia systems ......................... 128
Overview and operation ....................... 128
System settings ................................... 131
Navigation (COMAND Online) .............. 136
Audio 20 navigation ............................. 148
Telephone ............................................ 148
Online and Internet functions .............. 166
Media .................................................. 172
Sound .................................................. 180
LINGUATRONIC ................................. 182
Overview .............................................. 182
Operation with steering-wheel but-
tons ..................................................... 182
Voice prompting .................................. 182
Command types .................................. 182
Entering digits and letters .................... 182
Changing the language setting ............ 183
Help functions ..................................... 183
Improving voice recognition ................ 183
Individualisation ................................... 184
Commands .......................................... 184
Maintenance and care ...................... 190
ASSYST PLUS service interval display .. 190
Engine compartment ........................... 190
Notes on attaching the licence plate ... 195
Scraping noise when the brake pads
are worn .............................................. 195
Cleaning and care ................................ 195
Breakdown assistance ..................... 199
Emergency ........................................... 199
Notes on flat tyres ............................... 202
Battery ................................................. 202
Towing or tow-starting ......................... 205
Unlocking the selector lever manually .. 207
Fuses ................................................... 207
Wheels and tyres .............................. 209
Noises or unusual handling character-
istics .................................................... 209
Regular wheel and tyre checks ............ 209
Notes on snow chains ......................... 209
Tyre pressure ....................................... 210
Spare or emergency spare wheel ........ 214
Changing a wheel ................................ 215
Technical data ................................... 221
Information on technical data .............. 221
Vehicle identification plate, VIN and
engine number .................................... 221
Vehicle electronics .............................. 221
Service products ................................. 223
Vehicle data ......................................... 228
Trailer tow hitch ................................... 228
Display messages plus indicator
and warning lamps ........................... 231
Display messages ................................ 231
Indicator and warning lamps ............... 244
Contents
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