
Brake fluid
Display message ............................ 238
Notes ............................................. 377
Brake lamps
Display message ............................ 244
Brakes
ABS .................................................. 68
BAS .................................................. 69
BAS PLUS ........................................ 69
Brake fluid (notes) ......................... 377
Display message ............................ 236
Important safety notes .................. 172
Maintenance .................................. 172
Parking brake ........................ 169, 173
Riding tips ...................................... 172
Warning lamp ................................. 262
Breakdown
see Flat tire
see Towing away/tow-starting
Brightness control knob (instru-
ment cluster lighting, multifunc-
tion steering wheel with 12 but-
tons) ..................................................... 33
Bulbs see Replacing bulbs C
California Important notice for retail cus-
tomers and lessees .......................... 24
Calling up a malfunction
see Display messages
Car
see Vehicle
Care
Carpets .......................................... 312
Car wash ........................................ 306
Displa y........................................... 310
Exterior lights ................................ 309
Gear or selector lever .................... 311
Interior ........................................... 310
Matte finish ................................... 307
Notes ............................................. 305
Paint .............................................. 307
Plastic trim .................................... 310
Power washe r................................ 306
Rear view camera .......................... 309 Roof lining ...................................... 312
Seat belt ........................................ 312
Seat cover ..................................... 311
Sensors ......................................... 309
Steering wheel ............................... 311
Tail pipe
s....................................... 309
Trim pieces .................................... 311
Washing by hand ........................... 306
Wheels ........................................... 307
Windows ........................................ 308
Wiper blades .................................. 308
Wooden trim .................................. 311
Cargo compartment cover
Important safety notes .................. 278
Cargo compartment enlarge-
ment ................................................... 276
Cargo compartment floor Opening/closing ............................ 281
Stowage well (under )..................... 281
Cargo net
Attaching ....................................... 280
Important safety information ......... 279
Cargo tie down rings ......................... 277
CD player/CD changer (on-board
computer) .......................................... 226
Center console Lower section .................................. 37
Upper section .................................. 36
Central locking
Automatic locking (on-board com-
puter) ............................................. 232
Locking/unlocking (SmartKey )........ 78
Changing bulbs
Cornering light function ................. 124
High-beam headlamp s................... 124
Low-beam headlamp s.................... 124
Parking lamps ................................ 124
Reversing lamps ............................ 125
Standing lamps (front) ................... 124
Turn signals (front) ......................... 124
Child-proof locks
Important safety notes .................... 66
Rear doors ....................................... 67
Children
In the vehicle ................................... 61
Restraint systems ............................ 61
Special seat belt retractor ............... 64 6
Index

Child seat
LATCH-type (ISOFIX) child seat
anchors ............................................ 64
Top Tether ...................................... .65
Cigarette lighter ................................ 284
Cleaning Mirror turn signal .......................... .309
Trailer tow hitch ............................ .310
Climate control
Automatic climate control (3-
zone) .............................................. 136
Controlling automatically .............. .139
Cooling with air dehumidification .. 137
Defrosting the windows ................. 142
Defrosting the windshield .............. 141
Dual-zone automatic climate con-
trol ................................................. 133
Important safety notes .................. 132
Indicator lamp ................................ 139
Information about using auto-
matic climate control ..................... 137
Information about using dual-zone
automatic climate control .............. 134
Maximum cooling .......................... 142
Overview of systems ..................... .132
Problems with cooling with air
dehumidification ............................ 139
Problem with the rear window
defroster ........................................ 143
Rear control panel ......................... 136
Refrigerant ..................................... 379
Refrigerant filling capacity ............. 380
Setting the air distribution ............. 140
Setting the airflow ......................... 141
Setting the air vents ..................... .144
Setting the climate mode (AIR
FLOW) ............................................ 139
Setting the temperature ................ 140
Switching air-recirculation mode
on/off ............................................ 143
Switching on/off ........................... 137
Switching residual heat on/off ...... 143
Switching the rear window
defroster on/off ............................ 142
Switching the ZONE function on/
off ................................................. .141 Climate control system
Automatic engine start .................. 153
Automatic engine switch-off .......... 153
Deactivating/activating ................. 153
General information ....................... 153
Important safety notes .................. 152
Introduction ................................... 152
Coat hooks ......................................... 280
Cockpit Overview .......................................... 32
see Instrument cluster
Collapsible spare wheel
Inflating ......................................... 367
see Emergency spare wheel
COMAND
see separate operating instructions
Combination switch .......................... 118
Consumption statistics (on-board
computer) .......................................... 223
Convenience closing feature .............. 92
Convenience opening feature ............ 92
Coolant (engine) Checking the level ......................... 303
Display message ............................ 247
Filling capacity ............................... 379
Important safety notes .................. 378
Temperature gauge ........................ 220
Warning lamp ................................. 268
Cooling
see Climate control
Copyright ............................................. 29
Cornering light function Changing bulbs .............................. 124
Display message ............................ 243
Function/notes ............................ .120
Crash-responsive emergency light-
ing ....................................................... 122
Cruise control Cruise control lever ....................... 175
Deactivating ................................... 176
Display message ............................ 255
Driving system ............................... 175
Function/notes ............................ .175
Important safety notes .................. 175
Setting a speed .............................. 176
Storing and maintaining current
speed ............................................. 175 Index
7

Fuse allocation chart (vehicle tool
kit)
...................................................... 314
Fuses Allocation chart ............................ .328
Before changing ............................ .328
Dashboard fuse box ....................... 328
Fuse box in the cargo compart-
ment .............................................. 329
Fuse box in the engine compart-
ment .............................................. 329
Important safety notes .................. 328 G
Garage door opener Clearing the memory ..................... 298
General notes ................................ 295
Important safety notes .................. 295
Opening/closing the garage door .. 297
Programming (button in the rear-
view mirror) ................................... 295
Gear or selector lever (cleaning
guidelines) ......................................... 311
Genuine parts ...................................... 22
Glove box .......................................... .275
GTW (Gross Trailer Weight) (defini-
tion) .................................................... 353 H
Hazard warning lamps ......................119
Headlamps Adding fluid to cleaning system ..... 303
Cleaning system (function) ............ 119
Cleaning system (notes) ................ 379
Fogging up ..................................... 121
see Automatic headlamp mode
Head restraints
Adjusting ....................................... 102
Adjusting (electrically) ................... 103
Adjusting (manually) ..................... .103
Adjusting (rear) .............................. 104
Installing/removing (rear) .............. 104
Luxury ............................................ 103
see NECK-PRO head restraints/
NECK-PRO luxury head restraints
Heating
see Climate control High-beam headlamps
Changing bulbs .............................. 124
Display message ............................ 245
Switching on/off ........................... 119
Hill start assist .................................. 152
HOLD function Deactivating ................................... 185
Display message ............................ 251
Function/notes ............................ .184
Hood
Closing .......................................... .301
Display message ............................ 258
Important safety notes .................. 300
Opening ......................................... 300
Horn ...................................................... 32
Hydroplaning ..................................... 174 I
Ignition lock see Key positions
Immobilizer .......................................... 74
Indicator lamps see Warning and indicator lamps
Indicators
see Turn signals
Instrument cluster
Overview .......................................... 33
Settings ......................................... 230
Warning and indicator lamps ........... 34
Instrument cluster lighting .............. 231
Interior lighting ................................. 121
Automatic control .......................... 122
Delayed switch-off (on-board
computer) ...................................... 232
Emergency lighting ........................ 122
Manual control ............................... 122
Overview ........................................ 121
Reading lamp ................................. 121
Setting the brightness of the dis-
play/switch (on-board computer) .. 231 J
Jack Storage location ............................ 314
Using ............................................. 357
Jump starting (engine) ......................323 Index
11

K
KEYLESS-GO Convenience closing feature ............ 93
Display message ............................ 259
Locking ............................................ 79
Start/Stop butto n.......................... 149
Starting the engine ........................ 151
Unlocking ......................................... 79
Key positions
KEYLESS-GO .................................. 149
SmartKey ....................................... 149
Kickdown
Driving tip s.................................... 159
Knee bag .............................................. 47 L
Lamps see Warning and indicator lamps
Lane Keeping Assist
Activating/deactivating ................. 230
Display message ............................ 252
Function/information .................... 205
Lane Tracking package ..................... 203
LATCH-type (ISOFIX) child seat
anchors ................................................ 64
License plate lamp (display mes-
sage) ................................................... 245
Light function, active Display message ............................ 246
Lights
Activating/deactivating the inte-
rior lighting delayed switch-off ....... 232
Active light function ....................... 119
Automatic headlamp mode ............ 117
Cornering light function ................. 120
Display message ............................ 243
Driving abroad ............................... 116
Fog lamps ...................................... 117
Hazard warning lamps ................... 119
High beam flasher .......................... 119
High-beam headlamp s................... 119
Light switch ................................... 116
Low-beam headlamp s.................... 117
Parking lamps ................................ 118
Rear fog lamp ................................ 118 Setting the brightness of the dis-
play/switch (on-board computer) .. 231
Standing lamps .............................. 118
Switching the daytime running
lamps on/off (on-board com-
puter) ............................................. 231
Switching the daytime running
lamps on/off (switch) .................... 117
Switching the exterior lighting
delayed switch-off on/off (on-
board computer) ............................ 231
Switching the surround lighting
on/off (on-board computer) .......... 231
Turn signals ................................... 118
see Interior lighting
see Replacing bulbs
Light sensor (display message) ....... 246
Loading guidelines ............................ 274
Locking see Central locking
Locking (doors)
Automatic ........................................ 85
Emergency locking ........................... 85
From inside (central locking but-
ton) .................................................. 84
Locking centrally
see Central locking
Locking verification signal (on-
board computer) ............................... 232
Low-beam headlamps Changing bulb s.............................. 124
Display message ............................ 243
Setting for driving abroad (sym-
metrical) ........................................ 116
Switching on/of f........................... 117
Lumbar support
Adjusting ....................................... 104
Adjusting the 4-way lumbar sup-
port ................................................ 105
Luxury head restraints ..................... 103 M
M+S tires ............................................ 335
Maintenance see ASSYST PLUS
Malfunction message
see Display messages 12
Index

Trip odometer
Calling up ....................................... 223
Resetting (on-board computer) ...... 224
Turn signals
Changing bulbs (front) ................... 124
Display message ............................ 244
Switching on/off ........................... 118
TWR (Tongue Weight Rating) (defi-
nition) ................................................. 354
Type identification plate see Vehicle identification plate U
Unlocking Emergency unlocking ....................... 85
From inside the vehicle (central
unlocking button) ............................. 84 V
Vanity mirror (in the sun visor) ........ 283
Vehicle Correct use ...................................... 27
Data acquisition ............................... 28
Display message ............................ 258
Emergency locking ........................... 85
Emergency unlocking ....................... 85
Equipment ....................................... 23
Individual settings .......................... 230
Limited Warranty ............................. 28
Loading .......................................... 342
Locking (in an emergency) ............... 85
Locking (SmartKey) .......................... 78
Lowering ........................................ 359
Maintenance .................................... 24
Parking for a long period ................ 169
Pulling away ................................... 151
Raising ........................................... 357
Reporting problems ......................... 27
Securing from rolling away ............ 356
Towing away .................................. 325
Transporting .................................. 327
Unlocking (in an emergency) ........... 85
Unlocking (SmartKey) ...................... 78
Vehicle data ................................... 380
Vehicle data ....................................... 380
Vehicle dimensions ........................... 380 Vehicle emergency locking
................ 85
Vehicle identification number see VIN
Vehicle identification plate .............. 372
Vehicle maintenance see ASSYST PLUS
Vehicle tool kit .................................. 314
Video (DVD) ........................................ 227
VIN ...................................................... 372 W
Warning and indicator lamps ABS ................................................ 262
Brakes ........................................... 262
Check Engine ................................. 267
Coolant .......................................... 268
Distance warning ........................... 270
DISTRONIC PLUS ........................... 270
ESP ®
.............................................. 264
ESP ®
OFF ....................................... 265
Overview .......................................... 34
PASSENGER AIRBAG OFF ................ 49
Reserve fuel ................................... 267
Seat belt ........................................ 261
SRS ................................................ 266
Tire pressure monitor .................... 271
Warranty .............................................. 23
Washer fluid Display message ............................ 259
Wheel and tire combination
see Tires
Wheel bolt tightening torque ........... 359
Wheel chock ...................................... 356
Wheels Changing a whee l.......................... 355
Checking ........................................ 333
Cleaning ......................................... 307
Cleaning (warning) ......................... 356
Emergency spare wheel ................. 366
Important safety notes .................. 332
Interchanging/changing ................ 355
Mounting a new whee l................... 358
Mounting a whee l.......................... 356
Removing a whee l.......................... 358
Storing ........................................... 355 20
Index

Warning and indicator lamps
Function Page
0043
00E5
ESP® 264
0044
00BA
Distance warning 270
0087
00BB
ESP®
OFF 264
0085
0027
Brakes (USA only) 262
0083
004D
Brakes (Canada only) 262
0084
003E003D
Turn signals 118
006B
0025
ABS 262
006C
0075
SRS 266
006D
00B9
Check Engine 267
006E
0077
Tire pressure monitor 271
006F
00E9
Seat belt 261 Function Page
0070
0028
Diesel engine: pre-
glow 151
0071
00AC
Coolant 268
0072
0057
High-beam head-
lamps 119
0073
0058
Low-beam head-
lamps 117
0074
0060
Parking lamps 118
0075
005E
Rear fog lamp 118
0076
005A
Front fog lamps 117
0077
00B6
Reserve fuel 26734
Instrument clusterAt a glance

The turn signals flash once when unlocking
and three times when locking.
When it is dark, the surround lighting also
comes on if it is activated in the on-board
computer (Y page 231).
You can also set an audible signal to confirm that the vehicle has been locked. The audiblesignal can be activated and deactivated using
the on-board computer (Y page 232).
X To unlock centrally: press the0036but-
ton.
If you do not open the vehicle within approx-
imately 40 seconds of unlocking:
R the vehicle is locked again.
R the theft deterrent locking system is armed
again.
X To lock centrally: press the0037button. KEYLESS-GO
General notes Bear in mind that the engine can be started by
any of the vehicle occupants if there is a KEY-LESS-GO key in the vehicle.
Locking/unlocking centrally You can start, lock or unlock the vehicle using
KEYLESS-GO. To do this, you only need carry the SmartKey with you. You can combine the
functions of KEYLESS-GO with those of a con- ventional SmartKey. Unlock the vehicle by
using KEYLESS-GO, for instance, and lock it
using the 0037button on the SmartKey.
When locking or unlocking with KEYLESS-GO,
the distance between the SmartKey and the
corresponding door handle must not be
greater than 3 ft (1 m). KEYLESS-GO checks whether a valid Smart-
Key is in the vehicle by periodically establish-
ing a radio connection between the vehicle
and the SmartKey. This happens:
R when the external door handles are
touched
R when starting the engine
R while the vehicle is in motion X
To unlock the vehicle: touch the inner
surface of the door handle.
X To lock the vehicle: touch sensor sur-
face 0043.
X Convenience closing feature: touch
recessed sensor surface 0044for an exten-
ded period.
Further information on the convenience clos-
ing feature (Y page 93).
If you pull on the handle of the tailgate, only
the cargo compartment of the vehicle is
unlocked. Changing the settings of the locking
system
You can change the settings of the locking
system. This means that only the driver's door and the fuel filler flap are unlocked when the
vehicle is unlocked. This is useful if you fre-
quently travel on your own.
X To change the setting: press and hold
down the 0036and0037 buttons simulta-
neously for approximately six seconds until
the battery check lamp (Y page 81)
flashes twice. SmartKey
79Opening and closing Z

with the parking lamps and low-beam head-
lamps.
X To switch on the front fog lamps: turn
the SmartKey in the ignition lock to position 2 or start the engine.
X Turn the light switch to 0058or0058.
X Press the 005Abutton.
The green 005Aindicator lamp in the instru-
ment cluster lights up.
X To switch off the front fog lamps: press
the 005A button.
The green 005Aindicator lamp in the instru-
ment cluster goes out.
Only vehicles with front fog lamps have the
fog lamps function.
Rear fog lamp
The rear fog lamp improves visibility of your
vehicle for the traffic behind in the event of
thick fog. Please take note of the country-
specific regulations for the use of rear fog
lamps.
X To switch on the rear fog lamps: turn the
SmartKey in the ignition lock to position 2
or start the engine.
X Turn the light switch to 0058or0058.
X Press the 005Ebutton.
The yellow 005Eindicator lamp in the
instrument cluster lights up.
X To switch off the rear fog lamp: press the
005E button.
The yellow 005Eindicator lamp in the
instrument cluster goes out.
Parking lamps ! If the battery has been excessively dis-
charged, the parking lamps or standing
lamps are automatically switched off to
enable the next engine start. Always park
your vehicle safely and sufficiently lit
according to legal standards. Avoid the
continuous use of the 0060parking lamps
for several hours. If possible, switch on the
0064 right or the 0063left standing lamp. X
To switch on: turn the light switch to 0060.
The green indicator lamp in the instrument cluster lights up.
Standing lamps
Switching on the standing lamps ensures the corresponding side of the vehicle is illumina-
ted.
X To switch on the standing lamps: the
SmartKey is not in the ignition lock or it is in position 0.
X Turn the light switch to 0063(left-hand side
of the vehicle) or 0064(right-hand side of
the vehicle). Combination switch
Turn signal 0043
High-beam headlamps
0044 Turn signal, right
0087 High-beam flasher
0085 Turn signal, left
X To indicate briefly: press the combination
switch briefly to the pressure point in the
direction of arrow 0044or0085.
The corresponding turn signal flashes three
times.
X To indicate: press the combination switch
beyond the pressure point in the direction
of arrow 0044or0085. 118
Exterior lightingLights and windshield wipers