Page 17 of 272

Display message
............................ 144
Emergency Tensioning Devices ....... .52
Fastening ......................................... 49
Fastening, front ............................... 50
Fastening in the rear, center ............50
Important safety guidelines .............47
Releasing ......................................... 51
Special seat belt retractor ...............55
Switching belt adjustment on/off
(on-board computer) ......................144
Warning lamp ................................. 158
Warning lamp (function) ................... 52
Seat heating
Indicator lamp (malfunction) ............79
Seats
Adjusting (electrically) .....................78
Adjusting the 4-way lumbar
support ............................................ 78
Adjusting the head restraint ............78
Cleaning the cover .........................210
Correct driver's seat position ........... 76
Important safety notes ....................76
Multicontour seat ............................ 78
Storing settings (memory function) .. 79
Switching seat heating on/off .........78
Switching seat ventilation on/off ....78
Sensors (cleaning instructions) 206, 209
Service interval display Displaying a service message (on-
board computer) ............................ 205
Service menu (on-board computer) .144
Service products Brake fluid ..................................... 261
Coolant (engine) ............................ 262
Engine oil ....................................... 261
Fuel ................................................ 258
Important safety notes ..................258
Notes ............................................. 258
Refrigerant (air-conditioning
system) .......................................... 261
Washer fluid .................................. .263
Setting a speed limit
see SPEEDTRONIC
Settings
Factory (on-board computer) .........144
Menu overview .............................. 174
On-board computer .......................144
Setting the air distribution .................94Setting the airflow
.............................. 94
Setting the date/time format see also Digital Operator's Manual 170
Setting the language
see also Digital Operator's Manual 170
Setting the time
see also Digital Operator's Manual 170
SETUP (on-board computer) .............144
Shift ranges ....................................... 101
Side marker lamp (display
message) ............................................ 144
Side marker lamps (changing bulbs) .86
Side windows Cleaning ......................................... 206
Important safety information ...........71
Opening/closing .............................. 71
Opening/closing (all) .......................71
Opening/closing (front) ...................71
Overview .......................................... 71
Troubleshooting ............................... 71
SIRIUS services
see also Digital Operator's Manual 170
Ski rack .............................................. 189
Sliding sunroof Important safety notes ....................71
Opening/closing .............................. 72
Operating manually ..........................72
SmartKey
Changing the battery .......................68
Changing the programming .............67
Checking the battery .......................68
Convenience opening feature ..........71
Display message ............................ 144
Door central locking/unlocking .......66
Important safety notes ....................66
Loss ................................................. 69
Malfunction ...................................... 69
Mechanical key ................................ 67
Overview .......................................... 66
Problem (malfunction) .....................69
Starting the engine ..........................98
SMS
see also Digital Operator's Manual 170
Snow chains ...................................... 230 Index
15
Page 18 of 272

Sockets
Front-passenger footwell ...............189
Points to observe before use .........189
Trunk ............................................. 189
Soft top
Cleaning ......................................... 206
SOS
see mbrace
Spare fuses ........................................ 225
Spare wheel Mounting ....................................... 249
Notes/data .................................... 255
Spare wheel bracket at the rear ....213
Stainless-steel spare hub cap ........213
Specialist workshop ............................ 27
Special seat belt retractor .................. 51
Speed, controlling see Cruise control
Speedometer
In the Instrument cluster ...............142
Segments ...................................... 142
Selecting the unit of measurement 144
see Instrument cluster
SPEEDTRONIC
Display message ............................ 144
Selecting ........................................ 113
Variabl e......................................... 112
SRS
see SRS (Supplemental Restraint
System)
SRS (Supplemental Restraint
System)
Display message .................... 144, 149
Introduction ..................................... 40
Warning lamp ................................. 164
Warning lamp (function) ................... 40
Standing lamps
Display message ............................ 144
Switching on/off .............................. 83
Starting the engine
Important safety notes ....................98
Steering (display message) ......144, 157
Steering wheel Adjusting (electrically) .....................79
Buttons (on-board computer) ......... 143
Important safety notes ....................79
Paddle shifters ............................... 101Steering wheel heating
....................79
Storing settings (memory function) .. 79
Steering wheel (cleaning
instructions) ...................................... 210
Steering wheel paddle shifters ........101
Stopwatch (RACETIMER) ................... 144
Stowage areas ................................... 185
Stowage compartments Armrest (under) ............................. 185
Center console .............................. 185
Cup holders ................................... 189
Display message) ........................... 144
Door stowage compartment ..........185
Glove box ...................................... .185
Important safety information .........185
Summer tires ..................................... 230
Supplemental Restraint System see SRS (Supplemental Restraint
System)
Surround lighting (on-board
computer) .......................................... 144
Suspension tuning SETUP (on-board computer) ..........144
Switching air-recirculation mode
on/off ................................................... 94
Switching off the alarm (ATA) ............64
Systems settings (COMAND) see also Digital Operator's Manual 170 T
Tachometer ........................................ 142
Tailgate Display message ............................ 144
Opening dimensions ......................264
Tail lamps
Display message ............................ 144
see Lights
Tank content
Fuel gauge ..................................... 142
Technical data
Capacities ...................................... 258
Tires ............................................... 253
Tires/wheels ................................. 253
Trailer loads ................................... 266
Vehicle data ................................... 264
Wheels ........................................... 25316
Index
Page 19 of 272

TELEAID
Call priority .................................... 193
Emergency call .............................. 190
Important safety notes ..................189
MB info call button ........................192
Roadside Assistance button ..........191
Self-test ......................................... 190
System .......................................... 190
Telephone
Accepting a call ............................. 144
Display message ............................ 144
Number from the phone book ....... .144
Redialing ........................................ 144
Rejecting/ending a call .................144
see also Digital Operator's Manual 170
Telephone compartment ..................185
Temperature Coolant .......................................... 142
Coolant (on-board computer) ......... 144
Engine oil (on-board computer) ...... 144
Outside temperature ..................... .142
Theft deterrent systems
ATA (Anti-Theft Alarm system) .........64
Immobilizer ...................................... 63
Tilt/sliding sunroof
see Sliding sunroof
Time
see separate operating instructions
Timing (RACETIMER) .........................144
Tire pressure Calling up (on-board computer) .....234
Checking manually ........................234
Display message .................... 144, 155
Maximum ....................................... 233
Notes ............................................. 232
Recommended ............................... 230
Table (single tires) .........................231
Tire pressure monitoring system
Checking the tire pressure
electronically ................................. 236
Function/notes ............................. 234
Restarting ...................................... 236
Warning lamp ................................. 167
Warning message .......................... 236
Tires
Aspect ratio (definition) .................248
Average weight of the vehicle
occupants (definition) ....................247Bar (definition)
............................... 247
Changing a wheel .......................... 249
Characteristics .............................. 246
Checking ........................................ 229
Definition of terms .........................247
Direction of rotatio n...................... 250
Display message .................... 144, 155
Distribution of the vehicle
occupants (definition) ....................249
DOT, Tire Identification Number
(TIN) .............................................. .246
DOT (Department of
Transportation) (definition) ............247
GAWR (Gross Axle Weight Rating)
(definition) ..................................... 247
GTW (Gross Trailer Weight)
(definition) ..................................... 247
GVW (Gross Vehicle Weight)
(definition) ..................................... 247
GVWR (Gross Vehicle Weight
Rating) (definition) .........................248
Important safety notes ..................228
Increased vehicle weight due to
optional equipment (definition) ......247
Kilopascal (kPa) (definition) ...........248
Labeling (overview )........................ 243
Load bearing index (definition) ......249
Load index ..................................... 245
Load index (definition) ...................248
M+S tires ....................................... 230
Maximum loaded vehicle weight
(definition) ..................................... 248
Maximum load on a tire (definition) 248
Maximum permissible tire
pressure (definition) ....................... 248
Maximum tire loa d......................... 246
Maximum tire load (definition) .......248
Optional equipment weight
(definition) ..................................... 249
PSI (pounds per square inch)
(definition) ..................................... 248
Replacing ....................................... 249
Service life ..................................... 230
Sidewall (definition) .......................249
Speed rating (definition) ................247
Storing ........................................... 250
Structure and characteristics
(definition) ..................................... 247 Index
17
Page 20 of 272

Technical data
............................... 253
Temperature .................................. 242
TIN (Tire Identification Number)
(definition) ..................................... 249
Tire bead (definition) ......................249
Tire pressure (definition) ................248
Tire pressures (recommended )...... 247
Tire size (data) ............................... 253
Tire size designation, load-bearing
capacity, speed rating .................... 243
Tire tread ....................................... 229
Tire tread (definition) .....................248
Total load limit (definition) .............249
Traction ......................................... 242
Traction (definition) .......................249
Tread wea r..................................... 242
TWR (permissible trailer drawbar
noseweight) (definition) .................249
Uniform Tire Quality Grading
Standards ...................................... 241
Uniform Tire Quality Grading
Standards (definition) ....................247
Unladen weight (definition) ............248
Wear indicator (definition) .............249
Wheel rim (definition) ....................247
see Flat tire
Top Tether ............................................ 57
Towing Important safety guidelines ...........221
In the event of malfunctions ..........224
Towing a trailer
7-pin connector ............................. 140
Axle load, permissible ....................266
Bulb failure indicator for LED lamps 140
Cleaning the trailer tow hitch ......... 206
Coupling up a trailer ......................138
Decoupling a trailer .......................139
Driving tips .................................... 134
Installing the ball coupling .............137
Lights display message ..................144
Mounting dimensions ....................265
Power supply ................................. 140
Trailer loads ................................... 266
Trailer tow hitch ............................. 265
Towing away
With both axles on the ground .......223 Towing eye
Front .............................................. 222
Rear ............................................... 222
Tow-starting
Emergency engine starting ............224
Important safety notes ..................221
Traffic reports
see also Digital Operator's Manual 170
Trailer
Display message ............................ 144
Trailer coupling
see Towing a trailer
Trailer loads
Technical data ............................... 266
Trailer loads and drawbar
noseweights ...................................... 140
Trailer tow hitch Ball position ................................... 266
Trailer towing
ESP ®
................................................ 63
PARKTRONIC ................................. 127
Permissible trailer loads and
drawbar noseweights .....................140
Transfer case
General notes ................................ 129
Shifting .......................................... 130
Shifting (general notes) .................. 130
Shifting (important safety notes) ...130
Shifting to neutral ..........................131
Shift range ..................................... 129
Switching off the off-road gear
ratio ............................................... 130
Switching on the off-road gear
ratio ............................................... 130
Transmission
see Automatic transmission
Transmission positions ....................101
Transporting the vehicle ..................223
Traveling uphill Brow of hill ..................................... 106
Driving downhill ............................. 106
Maximum gradient-climbing
capability ....................................... 106
Trim pieces (cleaning instructions) .210
Trip computer (on-board computer) 144
Trip odometer Calling up ....................................... 144 18
Index
Page 21 of 272

Turn signals
Display message ............................ 144
Switching on/off .............................. 83
TWR (Tongue Weight Rating)
(definition) ......................................... 249
Type identification plate see Vehicle identification plate U
Unlocking Emergency unlocking .......................69
From inside the vehicle (central
unlocking button) ............................. 69 V
Variable SPEEDTRONIC Function/notes ............................. 112
Vehicle
Correct use ...................................... 27
Data acquisition ............................... 27
Display message .................... 144, 157
Equipment ....................................... 26
Limited Warranty ............................. 27
Loading .......................................... 237
Locking (in an emergency) ...............69
Locking (SmartKey) .......................... 66
Lowering ........................................ 253
Parking for a long period ................ 106
Pulling away ..................................... 98
Raising ........................................... 251
Securing from rolling away ............251
Towing away .................................. 221
Tow-starting ................................... 221
Transporting .................................. 223
Unlocking (in an emergency) ...........69
Unlocking (SmartKey) ......................66
Vehicle data ................................... 264
Vehicle data ....................................... 264
Vehicle data (off-road driving) Approach/departure angl e............ 265
Fording depth ................................ 264
Maximum gradient climbing ability 265
Vehicle dimensions ...........................264
Vehicle emergency locking ................69
Vehicle identification number see VIN Vehicle identification plate
..............258
Vehicle level (display message) .......144
Vehicle tool kit .................................. 212
Ventilation Setting the airflow ........................... 94
Video
see also Digital Operator's Manual 170
Video (DVD) ........................................ 144
VIN ...................................................... 258
Voice Control System see Separate operating instructions W
Warning and indicator lamps ABS ................................................ 160
Brakes ........................................... 159
Coolant .......................................... 165
Cruise control ................................ 110
Distance warning ........................... 166
DISTRONIC PLUS ........................... 166
ESP ®
.............................................. 162
ESP ®
OFF ....................................... 163
LIM (DISTRONIC PLUS) ..................116
LIM (variable SPEEDTRONIC )......... 113
Overview .......................................... 32
PASSENGER AIR BAG OFF ...............44
Seat belt ........................................ 158
SRS ................................................ 164
Tire pressure monitor ....................167
Warning triangle ................................ 212
Washer fluid Display message ............................ 144
Weather display (COMAND)
see also Digital Operator's Manual 170
Wheel bolt tightening torque ...........253
Wheels Changing a wheel .......................... 249
Checking ........................................ 229
Cleaning ................................ 206, 208
Cleaning (warning) .........................250
Important safety notes ..................228
Interchanging/changing ................249
Mounting a new wheel ...................252
Mounting a wheel .......................... 250
Overview ........................................ 228
Removing a wheel ..........................252
Storing ........................................... 250 Index
19
Page 22 of 272

Technical data
............................... 253
Tightening torque ........................... 253
Wheel size/tire size .......................253
Window curtain air bag
Display message ............................ 150
Operation ........................................ .44
Windows
see Side windows
Windows (cleaning instructions) .....209
Windshield Defrosting ........................................ 94
Windshield heating .............................94
Windshield washer fluid see Windshield washer system
Windshield washer system
Adding washer fluid .......................204
Filling capacity ............................... 263
Notes ............................................. 263
Windshield wipers
Problem (malfunction) .....................89
Rear window wiper ..........................88
Replacing the wiper blades ..............88
Switching on/off .............................. 87
Winter driving
Slippery road surfaces ...................106
Snow chains .................................. 230
Winter operation
General notes ................................ 230
Winter tires
M+S tires ....................................... 230
Wiper blades
Cleaning ................................ 206, 209
Important safety notes ....................88
Replacing ......................................... 88
Wooden trim (cleaning instructions) 21020
Index
Page 23 of 272

Introduction
In addition to the printed Operator's Manual,
the vehicle document wallet also contains
further operating instructions, such as:
R Digital Operator's Manual on CD
R Maintenance Booklet
R Equipment-dependent supplements
The printed Operator's Manual gives you a
fast, concise overview of your vehicle's most
important functions.
You can also access the Digital Operator's
Manual via COMAND. If you have further
questions that are not covered in the printed
Operator's Manual, please consult the Digital
Operator's Manual.
i You will not incur any costs when calling
up the Digital Operator's Manual. It works
without connecting to the Internet.
In the following sections you will find further
information about:
R how to install the Digital Operator's Manual
on your COMAND (Y page 21)
R how to access and operate the Digital
Operator's Manual
R the differing access options from the basic
menu
There are three options for accessing via the
basic menu of the Digital Operator's Manual:
R Visual search
R Keyword search
R Contents Installation
Check whether or not the Digital Operator's
Manual has already been installed. To do so,
call up the Digital Operator's Manual via
COMAND as follows: X
Using the COMAND controller, select the
® symbol from the menu bar in the
COMAND display and press Wto confirm.
X Choose the "Operator's Manual" selection
card and confirm with W.
There are two possibilities:
1. The Digital Operator's Manual is
installed. The basic menu for the Digital
Operator's Manual opens.
2. The Digital Operator's Manual is not
installed. The following message appears:
The Operator's Manual has not yet
The Operator's Manual has not yet
been installed. Please insert the been installed. Please insert the
correct disc. correct disc.
If the Digital Operator's Manual has not yet
been installed, you have the option of
installing it yourself. You will find the
installation CD required in the vehicle
document wallet.
The duration of the installation process may
vary.
The installation process takes approximately
five minutes. This timespan only applies if you
install the Digital Operator's Manual while the
vehicle is at a standstill and no other
COMAND functions are in use at the time. The
duration of the installation process may
increase accordingly if other COMAND
functions such as navigation or telephony are
in use at the time.
If you encounter any problems during
installation, please contact your authorized
Mercedes-Benz Center.
X To install the Digital Operator's
Manual: stop the vehicle safely, paying
attention to road and traffic conditions.
X Turn the SmartKey to position 2in the
ignition lock.
X Switch on COMAND.
X Insert the installation CD into the CD/DVD
drive.
X Follow the installation steps on the
COMAND display.
i If the check was not successful, a
message appears, e.g. The Operator's
The Operator's Digital Operator's Manual
21
Page 24 of 272

Manual is not supported by the
Manual is not supported by the
system. Ejecting disc...
system. Ejecting disc... Please
contact your authorized Mercedes-Benz
Center. X
When the installation has been
completed: confirm ejection of the
installation CD using the COMAND
controller.
i Canceling the installation: you can
cancel the installation of the Digital
Operator's Manual during the installation
process. The installation can be continued
at a later date. To do this, simply insert the
installation CD into the CD/DVD drive
again and follow the installation
instructions, as described above. Operation
Calling up the Digital Operator's
Manual
X Press the qcontrol knob on COMAND.
COMAND switches on. The previously
selected menu appears after a warning
message.
X Using the COMAND controller, select the
® symbol in the menu bar and confirm
with W.
X Choose the "Operator's Manual" selection
card and confirm with W.
The basic menu for the Digital Operator's
Manual opens. Visual search
The visual search allows you to explore your
vehicle "virtually". Starting from either the
vehicle exterior view or interior view, you can
access many of the different topics covered
by the Operator's Manual. To access the
vehicle interior section, select "Interior" on
the section heading page. :
Topic bar
; Selected section heading
= Active vehicle component
X Turn cVd the COMAND controller to select
individual vehicle components.
Individual vehicle elements are highlighted
in red. Just one vehicle component per view
is highlighted.
X To confirm the currently selected section,
press Wthe COMAND controller.
After you have selected a section, one of the
following happens:
R you go straight to the corresponding
section in the Digital Operator's Manual.
R a list opens up with further, in-depth
headings that you can select using the
COMAND controller.
R you go down a level to the visual search.
You can refine your search here by turning
the COMAND controller and selecting
individual vehicle elements which are
highlighted in red =.22
Digital Operator's Manual