odometer MERCEDES-BENZ R-Class 2012 W251 Owner's Manual

Coolant (engine)Checking the level .........................285
Display message ............................ 225
Notes ............................................. 359
Temperature gauge ........................ 202
Cooling
see Climate control
Crash-responsive emergency
lighting ............................................... 119
Cruise control Cruise control lever .......................171
Deactivating ................................... 172
Display message ............................ 230
Driving system ............................... 170
Function/notes ............................. 170
Important safety notes ..................170
LIM indicator lamp .........................171
Setting a speed .............................. 172
Storing and maintaining current
speed ............................................. 171
Cup holder
Center console .............................. 263
Important safety notes ..................262
second row of seats ....................... 263
Second row of seats (armrest) .......264
third row of seats ........................... 264
Customer Assistance Center (CAC) ... 24
Customer Relations Department ....... 24
D
Dashboard see Cockpit
Date (on-board computer) ................ 206
Daytime running lamp mode see Daytime running lamps
Daytime running lamps
Display message ............................ 224
Switching on/off (on-board
computer) ...................................... 206
Switching on/off (switch) ..............115
DEF
Adding ........................................... 161
Display message ............................ 228
Delayed switch-off
Exterior lighting (on-board
computer) ...................................... 207
Interior lighting .............................. 208
Diesel particle filter .......................... 166
Digital speedometer Displaying ...................................... 202
Setting the unit (on-board
computer) ...................................... 205
DIRECT SELECT lever
see Automatic transmission
Display (cleaning instructions) ........ 292
Display messages Calling up (on-board computer) .....213
Driving systems ............................. 229
Engine ............................................ 225
General notes ................................ 213
Hiding (on-board computer) ...........213
Key ................................................ 236
KEYLESS-GO .................................. 236
Lights ............................................. 222
Safety systems .............................. 214
Service interval display ..................287
Tires ............................................... 231
Vehicle ........................................... 234
Distance recorder ............................. 202
see Odometer
see Trip odometer
Distance warning (warning lamp) .... 245
Distance warning function
(vehicles with DISTRONIC) Activating/deactivating (on-
board computer) ............................ 210
Notes ............................................... 68
DISTRONIC
Deactivating ................................... 178
Display message ............................ 230
Displays in the multifunction
display ........................................... 178
Driving tips .................................... 179
Important safety notes ..................173
Notes/function .............................. 173
Setting the specified minimum
distance ......................................... 177
Warning lamp ................................. 245
Door
Central locking/unlocking (key) ......72
Control panel ................................... 35
Important safety notes ....................79Index7

Setting for driving abroad
(symmetrical) ................................. 114
Switching on/off ........................... 115
Luggage net ....................................... 251
Lumbar support Adjusting the 4-way lumbar
support .......................................... 105
Luxury head restraints ....................... 99
M
M+S tires ................................... 169, 324
Maintenance see ASSYST PLUS service interval
display
Malfunction message
see Display messages
Malfunctions relevant to safety
Reporting ......................................... 24
Matte finish (cleaning
instructions) ...................................... 290
mbrace Call priority .................................... 273
Display message ............................ 218
Downloading destinations
(COMAND) ..................................... 273
Emergency call .............................. 270
Important safety notes ..................269
Locating a stolen vehicle ...............275
MB info call button ........................272
Roadside Assistance button ..........272
Search & Send ............................... 274
Self-test ......................................... 270
System .......................................... 270
Vehicle remote unlocking ..............274
Mechanical key
Function/notes ................................ 75
Unlocking the driver's door ..............81
Memory card (audio) ......................... 203
Memory function ............................... 112
Messages see Display messages
Mirrors
see Exterior mirrors
see Rear-view mirror
see Vanity mirror
Mobile phone
Menu (on-board computer) ............211
Modifying the programming
(SmartKey) ........................................... 75
MOExtended run-flat system ........... 309
MP3 Operating ....................................... 203
see separate operating instructions
Multicontour seat .............................. 105
Multifunction display ........................ 200
Multifunction steering wheel Operating the on-board computer . 199
Overview .......................................... 31
N
Navigation Menu (on-board computer) ............204
On-board computer .......................204
see separate operating instructions
NECK-PRO head restraints
Operation ......................................... 49
Resetting after being triggered ........50
NECK-PRO luxury head restraints
Operation ......................................... 49
Resetting after being triggered ........50
Notes on breaking-in a new
vehicle ................................................ 144
O
Occupant Classification System
(OCS) Faults ............................................... 48
Operation ......................................... 44
System self-test ............................... 47
Occupant safety
Children in the vehicle .....................56
System overview .............................. 38
Octane number (fuel) ........................ 356
Odometer ........................................... 202
see Trip odometer
Off-road system
4MATIC .......................................... 183
Oil
see Engine oil
On-board computer
Additional functions menu .............210
AIRMATIC/compass menu ............204
Audio menu ................................... 203
12Index

Maximum load on a tire
(definition) ..................................... 345
Maximum permissible tire
pressure (definition) ....................... 344
Maximum tire load .........................337
Maximum tire load (definition) .......344
Optional equipment weight
(definition) ..................................... 345
PSI (pounds per square inch)
(definition) ..................................... 345
Replacing ....................................... 346
Service life ..................................... 323
Sidewall (definition) .......................345
Speed index (definition) .................344
Storing ........................................... 347
Structure and characteristics
(definition) ..................................... 343
Temperature .................................. 339
TIN (Tire Identification Number)
(definition) ..................................... 345
Tire bead (definition) ......................345
Tire pressure (definition) ................345
Tire pressures (recommended) ......343
Tire size (data) ............................... 347
Tire size designation, load-bearing
capacity, speed index ....................340
Tire tread ....................................... 323
Tire tread (definition) .....................345
Total load limit (definition) .............346
Traction ......................................... 338
Traction (definition) .......................345
Tread wear ..................................... 338
TWR (permissible trailer drawbar
noseweight) (definition) .................345
Uniform Tire Quality Grading
Standards ...................................... 338
Uniform Tire Quality Grading
Standards (definition) ....................343
Unladen weight (definition) ............344
Wear indicator (definition) .............346
Wheel rim (definition) ....................344
see Flat tire
Top Tether ............................................ 60
Towing Important safety guidelines ...........315
Installing the towing eye ................315
Removing the towing eye ...............316Towing a trailer
Coupling up a trailer ......................192
Decoupling a trailer .......................193
Driving tips .................................... 191
Important safety notes ..................191
Lights display message ..................222
Power supply ................................. 194
Shift range ..................................... 153
Towing away
With both axles on the ground .......316
Tow-starting
Emergency engine starting ............317
Important safety notes ..................315
Trailer
Towing ........................................... 192
Trailer loads and drawbar
noseweights ...................................... 194
Trailer towing Blind Spot Assist ............................ 191
ESP ®
................................................ 67
PARKTRONIC ................................. 186
Permissible trailer loads and
drawbar noseweights .....................194
Towing a trailer .............................. 192
Transmission
see Automatic transmission
Transporting the vehicle .................. 316
Trim pieces (cleaning instructions) . 293
Trip computer (on-board
computer) .......................................... 210
Trip meter see Trip odometer
Trip odometer
Calling up ....................................... 202
Resetting (on-board computer) ......211
Trunk
see Tailgate
Turn signals
Changing bulbs (front) ...................122
Display message ............................ 222
Switching on/off ........................... 117
see Turn signals
TWR (Tongue Weight Rating)
(definition) ......................................... 345
Type identification plate see Vehicle identification plate 18Index

Rhode Island and Vermont Emission
Control Systems Warranty
R State Warranty Enforcement Laws (Lemon
Laws)
Information for customers in
California
Under California law you may be entitled to a
replacement of your vehicle or a refund of the
purchase price or lease price, if after a
reasonable number of repair attempts
Mercedes-Benz USA, LLC and/or its
authorized repair or service facilities fail to fix
one or more substantial defects or
malfunctions in the vehicle that are covered
by its express warranty. During the period of
18 months from original delivery of the
vehicle or the accumulation of 18 000 miles
(approximately 29 000 km) on the odometer
of the vehicle, whichever occurs first, a
reasonable number of repair attempts is
presumed for a retail buyer or lessee if one or
more of the following occurs:
(1)the same substantial defect or
malfunction results in a condition that is
likely to cause death or serious bodily
injury if the vehicle is driven, that defect
or malfunction has been subject to repair
two or more times, and you have directly
notified Mercedes-Benz USA, LLC in
writing of the need for its repair.(2)the same substantial defect or
malfunction of a less serious nature than
category (1) has been subject to repair
four or more times and you have directly
notified Mercedes-Benz in writing of the
need for its repair.(3)the vehicle is out of service by reason of
repair of the same or different substantial
defects or malfunctions for a cumulative
total of more than 30 calendar days.
Please send your written notice to:
Mercedes-Benz USA, LLC
Customer Assistance Center
One Mercedes Drive
Montvale, NJ 07645-0350
Maintenance
The Service and Warranty Booklet describes
all the necessary maintenance work which
should be done at regular intervals.
Always have the Service and Warranty
Booklet with you when you bring the vehicle
to an authorized Mercedes-Benz Center. The
service advisor will record every service for
you in the Service and Warranty Booklet.
Roadside Assistance
The Mercedes-Benz Roadside Assistance
Program offers technical help in the event of
a breakdown. Calls to the toll-free Roadside
Assistance Hotline are answered by our
agents 24 hours a day, 365 days a year.
1-800-FOR-MERCedes(1-800-367-6372)
(USA)
1-800-387-0100 (Canada)
For additional information, refer to the
Mercedes-Benz Roadside Assistance
Program brochure (USA) or the "Roadside
Assistance" section in the Service and
Warranty booklet (Canada). You will find both
in your vehicle literature portfolio.
In accordance with standard program
guidelines, Roadside Assistance provides
vehicle service up to a reasonable distance
from the next paved road. We will make every
effort to assist in a breakdown situation.
However, the accessibility of your vehicle will
be determined by our authorized Mercedes-
Benz Service technician or the tow service
provider on a case-by-case basis.
Additional charges may be applicable for a
breakdown location determined not to be a
reasonably accessible roadside location as
determined by our authorized technician and
tow service provider.
22Introduction

FunctionETrip computer menu (Y page 210)FTelephone menu (Y page 211)Standard display menu
Standard displayXPress the V or U button on the
steering wheel to select the standard
display.
Standard display
:Trip odometer;Odometer
You can select the following functions in the
Standard display menu using the & or
* button:
R tire pressure loss warning system
( Y page 329) (Canada only)
R tire pressure monitor ( Y page 331) (USA
only)
R coolant temperature ( Y page 202)
R digital speedometer or outside
temperature ( Y page 202)
R ASSYST PLUS service interval display
( Y page 287)
XTo reset the trip odometer: press and
hold the . reset button in the instrument
cluster until the trip odometer is reset.
Displaying the coolant temperature
GWARNING
Driving when your engine is overheated can
cause some fluids which may have leaked into
the engine compartment to catch fire. You
could be seriously burned.
Steam from an overheated engine can cause
serious burns which can occur just by opening
the engine hood. Stay away from the engine
if you see or hear steam coming from it.
Stop the vehicle in a safe location away from
other traffic. Turn off the engine, get out of the
vehicle and do not stand near the vehicle until
the engine has cooled down.XPress the V or U button on the
steering wheel to select the standard
display.XPress the & or * button to select the
coolant temperature.
Under normal driving conditions, with the
correct anti-corrosion and antifreeze additive
concentration, the reading may rise to
248 ‡(120 †).
! If the coolant temperature exceeds
248 ‡(120 †) do not continue driving. The
engine will otherwise be damaged.
Displaying the digital speedometer or
outside temperature
If you have selected the digital speedometer
for the status bar ( Y page 206), the outside
temperature is displayed here.
202Menus and submenusOn-board computer and displays

Settings menu
Introduction
The Settings menu can be used for:
R restoring the factory settings
R changing the instrument cluster settings
R changing the time/date settings 26
R changing the light settings
R changing the vehicle settings
R changing the convenience settings
Resetting to factory settings
For safety reasons, the Daytime Running
Lamps function in the Lighting submenu is
only reset when the engine is switched off.
XPress V or U on the steering wheel
to select the Settings menu.XPress and hold the . reset button on the
instrument cluster for approximately three
seconds.
A prompt appears in the multifunction
display asking you to confirm by pressing
the . reset button again.XPress the . reset button again.
The settings of most functions are restored
to the factory settings.
or
XIf you want to retain the settings, do not
press the . reset button a second time.
After approximately five seconds, the
Settings menu reappears.XPress the V or U button to select a
different menu.Instrument cluster
Selecting the unit of measurement for
distance
This function is only available in Canada.
The Display unit Speedometer/
Odometer function allows you to choose
whether certain displays appear in kilometers
or miles.
The selected unit of measurement for
distance applies to:
R the analog speedometer
R the odometer and the trip odometer
R the trip computer
R the navigation instruction in the
Navigation menu
R DISTRONIC
XPress the V or U button on the
steering wheel to select the Settings
menu.XPress the & button to call up the
selection of submenus.XPress the W or X button to select the
Instrument Cluster submenu.XPress the & button to select Display
Unit Speedometer/Odometer .XPress the W or X button to select
km or Miles as the unit of measurement for
distance.XPress the &, V or U button to
select a different display.
Selecting the unit of distance for the
digital speedometer
XPress V or U on the steering wheel
to select the Settings menu.XPress the & button to select submenus.XPress the W or X button to select the
Instrument cluster submenu.XPress the & button to display Display
unit Digital speedometer .26
This function is not available in vehicles with the navigation module.Menus and submenus205On-board computer and displaysZ