trip computer MERCEDES-BENZ R320 2008 W251 Owner's Manual

Contents
Control system .................................. 157
Multifunction display .................... 157
Multifunction steering wheel ........ 158
Menus .......................................... 160
Standard display menu ................ 164
AUDIO menu ................................ 165
NAV menu* .................................. 167
AIRMATIC*/Compass menu ........ 168
Distronic* menu........................... 168
Vehicle status message memory
menu ............................................ 169
Settings menu .............................. 170
Distance warning function* ......... 185
Trip computer menu..................... 185
TEL menu* ................................... 187
Automatic transmission ..................... 190
Gear selector lever ....................... 190
Shifting procedure ....................... 193
Transmission positions................. 194
Driving tips ................................... 197
Gear ranges ................................. 199
Automatic shift program .............. 200
Steering wheel gearshift control .. 201
Emergency operation
(Limp-Home Mode) ...................... 202Good visibility ..................................... 203
Headlamp cleaning system* ......... 203
Rear view mirrors .......................... 203
Power folding exterior rear view
mirrors* ........................................ 204
Sun visors ..................................... 205
Rear door window sunshade* ....... 207
Rear window defroster .................. 207
Climate control ................................... 208
Deactivating the climate control
system .......................................... 212
Operating the climate control
system in automatic mode............ 212
Setting the temperature................ 213
Adjusting air distribution............... 213
Adjusting air volume ..................... 214
Front defroster.............................. 214
Air recirculation mode .................. 216
Air conditioning............................. 219
Residual heat and ventilation ........ 219
Rear climate control*.................... 2203-zone automatic climate control* ..... 222
Deactivating the automatic
climate control system ................. 226
Operating the automatic climate
control system in automatic
mode ............................................ 227
Setting the temperature ............... 227
Adjusting air distribution .............. 228
Adjusting air volume ..................... 229
Front defroster ............................. 229
Maximum cooling MAXCOOL ........ 231
Air recirculation mode .................. 231
Air conditioning ............................ 233
Using driver-side settings for all
temperature zones........................ 234
Residual heat and ventilation........ 235
Rear automatic climate control
(second row) ................................. 236
Rear automatic climate control
(second and third row)* ................ 240
Power windows .................................. 241
Door windows ............................... 242
Hinged quarter windows* ............. 243
Synchronizing the door windows .. 244
Summer opening feature .............. 244
Convenience closing feature......... 245

163 Controls in detail
Control system
Menus, submenus and functions
Menu6Menu7Menu8Menu9Menua
Vehicle status message
memory1
1The vehicle status message memory menu is only displayed if there is a message stored.
SettingsDistance warning
function*Trip computerTelephone*
(page 169)(page 170)(page 185)(page 185)(page 187)
Commands/submenus
Calling up malfunction mes-
sages, warning messages,
and system status
messages stored in memoryResetting to factory settingsDistance warning
function* on/offFuel consumption statistics
since startLoading phone
book
Instrument cluster submenuFuel consumption statistics
since the last resetSearching for
name in phone
book
Time/Date submenuResetting fuel consumption
statistics
Lighting submenuDistance to empty
Vehicle submenu
Comfort submenu*
iThe headings used in the menus table are
designed to facilitate navigation within thesystem and are not necessarily identical to those
shown in the control system displays. The first function displayed in each menu will automati-
cally show you which part of the system you are
in.

185 Controls in detail
Control system
Move the selection marker with
buttonæ orç to the
Comfort
submenu.
Press buttonj ork repeatedly
until the message
Fold In Mirrors
When Locking
appears in the multi-
function display.
The selection marker is on the current
setting.
Press buttonæ orç to switch
the function
On or Off.
Distance warning function*
In vehicles equipped with Distronic*, you
can determine whether the distance warn-
ing function* is to be enabled or disabled.
With this function set to
On, the system will
alert you when recognizing a stationary ob-
stacle or a slower vehicle moving in your
vehicle’s path and the danger of a collision
exists, even when the Distronic* is
switched off.
Press buttonè orÿ repeatedly
until the message
Distance Warning
appears in the multifunction display.
The selection marker is on the current
setting.
Press buttonæ orç to switch
the distance warning function
On or
Off.
Trip computer menu
Use the trip computer menu to call up
statistical data on your vehicle.
The following information is available:
FunctionPage
Fuel consumption statistics
since start186
Fuel consumption statistics
since last reset186
Resetting fuel consumption
statistics186
Distance to empty187
iWhen you enter the trip computer menu, you
will always see the fuel consumption statistics
since start first.

548 Index
Climate control 208
Air conditioning, Cooling 219
Air conditioning refrigerant 538
Air distribution 213
Air recirculation mode 216
Air vents, Front 208, 214
Air vents, Rear 220
Air volume 214
Control panel, Front 210
Control panel, Rear 220
Deactivating system 212
Defogging 216
Defrosting 214
Rear passenger compartment 220
Residual heat utilization (REST) 219
Clock 26, 176
Cockpit 24
Cold tire inflation pressure 394
Collapsible tire 471, 532
Collapsible wheel chock 471
Combination switch 58, 59, 61, 147
Compass 334
Control system 180Control and operation of radio
transmitters 348
Control system 157
Multifunction display 157
Multifunction steering wheel 158
Resetting to factory default 171
Control system menus 160
AIRMATIC*/Compass 168
AUDIO 165
Distance warning function* 185
Distronic* (Canada only) 168
NAV* 167
Settings 170
Standard display 164
TEL* 187
Trip computer 185
Vehicle status message memory 169
Control system submenus 161, 163
Comfort* 183
Instrument cluster 174
Lighting 177
Time/Date 176
Vehicle 180Coolant 360, 537, 541
Anticorrosion/antifreeze mixing ratio
and quantity 541
Capacities 537
Checking coolant level 360
Messages in the multifunction
display 448–450
Temperature 350
Corner-illuminating front fog lamps* 148
Messages in the multifunction
display 456
Replacing bulbs 480, 481
Cruise control 257
Activating 258
Messages in the multifunction
display 430
Cup holders 308
Front center console 308
Rear center console* 310
Curb weight 394
Customer Assistance Center see CAC

549 Index
D
Date display, Setting 176
Daytime running lamp mode 145
Setting 177
Deep water see Standing water
Defogging windshield 216, 230
Defrosting, Front 214, 229
Defrosting, Rear 207
Delayed shut-off
Exterior lamps 179
Interior lighting 180
Department of Transportation see DOT
Diesel engine
Bleeding fuel system 502
Preglow indicator lamp 29
Diesel fuel see Fuel
Difficulties
While driving 62
With starting 55
Digital speedometer 157, 165
Dimensions, Vehicle 534
Direction of rotation (tires) 365Displays
Digital speedometer 157, 165
Distronic* (Canada only) 168, 265
Maintenance service indicator
message 400
Messages in the multifunction
display 427–466
Multifunction display 157
Outside temperature 155, 157, 165
Selecting 175
Showing malfunctions 169
Symbol messages 444
Text messages 429
Vehicle status message memory 169
Vehicle system settings, Control
system 161, 163, 170
Distance to empty (range), Trip
computer 185
Distance warning function* (Canada
only) 185Distronic* (Canada only) 262
Activating 268
Cleaning system sensor 407
Control system 267
Deactivating 271
Distance warning function* 275
Driving hints 273
Messages in the multifunction
display 431
Warning and indicator lamps 265
Door
Entry lamps 153
Locking, In an emergency 475
Locking/unlocking,
KEYLESS-GO* 113
Locking/unlocking, SmartKey 110
Messages in the multifunction
display 452
Opening from the inside 118
Opening from the outside 112
Remote door unlock (Tele Aid*) 328
Unlocking, Mechanical key 474
Door control panel 36
Door handle 36
Door windows see Power windows
DOT 388, 394

564 Index
Checking 373
Checking manually 373
Checking tire pressure electronically,
Advanced Tire Pressure Monitoring
System (Advanced TPMS)*, (Canada
only) 379
Checking tire pressure electronically,
Tire Pressure Monitoring System
(TPMS), (USA only) 376
Recommended tire inflation
pressure 371
Tires 363, 529
Advanced Tire Pressure Monitoring
System (Advanced TPMS)*, (Canada
only) 379
Air pressure 393
Care and maintenance 364
Cleaning 365
Collapsible tire, Spare wheel 532
Combination low tire pressure/TPMS
malfunction telltale, USA only 27
Direction of rotation, Spinning 365
Driving instructions 343
Hydroplaning 344
Important guidelines 363
Important notes, Tire inflation pressure 372
Inflation pressure 371, 373
Inspection 364
Load rating 384, 385, 395
Loading terminology 393
Loading the vehicle 366
Low tire pressure telltale 422
Ply composition and material
used 396
Retreads 363
Rims and tires 529
Rotating 396
Run Flat Indicator (Canada only) 374
Service life 364
Sizes 529
Snow chains 399
Spare wheel, Collapsible tire 532
Speed rating 345, 386, 396
Storing 365
Temperature 372, 392
Terminology 393
TIN 388, 395
Tire Identification Number see TIN
Tire Pressure Monitoring System
(TPMS)*, (USA only) 376
Total load limit 396TPMS malfunction telltale (USA
only) 422
Traction 344, 392, 396
Tread depth 365, 398
Treadwear indicators 365
Vehicle maximum load on 396
Wear pattern 397
Winter tires 398
Tongue Weight Rating see TWR
Tools 467
Top tether
Children in the vehicle 87
Towing eye bolts 515
Towing the vehicle 513
Tow-starting 511, 513
TPMS (USA only) 376
Traction 396
ETS/4-ETS, Driving safety
systems 103
Transmission see Automatic transmission
Traveling abroad 348
Tread 396
Tread depth 365
Treadwear indicators 396
Trip computer 185
Trip odometer 155