Page 353 of 506

351 Operation
Vehicle care
Cleaning the Distronic* system sensor
cover
1Distronic system sensor cover
Use a mild car wash detergent, such as
Mercedes-Benz approved Car Shampoo,
with plenty of water to clean sensor
cover1.
To prevent scratches, never apply strong
force and use only a soft, non-scratchy
cloth when cleaning the sensor cover. Do
not attempt to wipe dirty sensors with a
dry cloth or sponge.Cleaning the Parktronic system*
sensors
1Parktronic system* sensors
Clean the sensors1 on the bumpers
using a mild car wash detergent, such
as Mercedes-Benz approved Car Sham-
poo, with plenty of water and a soft,
non-scratchy cloth.
When using a steam cleaner or power
washer, aim nozzle only briefly from a min-
imum distance of 12 in (30 cm) at
sensors1.
Do not apply strong pressure to the sensor
cover, applying strong pressure may dam-
age the sensor cover.To prevent scratches, never apply strong
force and use only a soft, non-scratchy
cloth when cleaning the sensor. Do not at-
tempt to wipe dirty sensors with a dry cloth
or sponge.
Wiper blades
Turn on the wipers and place it in a ver-
tical position.
For information on placing the wipers in a
vertical position, see “Replacing wiper
blades” (
page 423).
!The windshield wipers must be in a ver-
tical position before folding them away
from the windshield. They could other-
wise damage the hood.
Page 354 of 506

352 OperationVehicle care
Clean the wiper blade inserts with a
clean cloth and detergent solution.Window cleaning
Turn on the wipers and place it in a ver-
tical position.
For information on placing the wipers in a
vertical position, see “Replacing wiper
blades” (
page 423).Use a window cleaning solution on all glass
surfaces. An automotive glass cleaner is
recommended.
Warning!
G
For safety reasons, switch off wipers and re-
move SmartKey from starter switch (vehi-
cles with KEYLESS-GO*: Make sure the
vehicle's on-board electronics have status
0) before cleaning the wiper blades. Other-
wise, the wiper motor could suddenly turn
on and cause injury.!Fold the windshield wiper arms back
onto the windshield before turning the
SmartKey in the starter switch.
Hold on to the wiper when folding the
wiper arm back. If released, the force
of the impact from the tensioning
spring could crack the windshield.
!The windshield wipers must be in a ver-
tical position before folding them away
from the windshield. They could other-
wise damage the hood.Warning!
G
For safety reasons, switch off wipers and re-
move SmartKey from starter switch (vehi-
cles with KEYLESS-GO*: Make sure the
vehicle's on-board electronics have status
0) before cleaning the windshield. Other-
wise, the wiper motor could suddenly turn
on and cause injury.
!Fold the windshield wiper arms back
onto the windshield before turning the
SmartKey in the starter switch.
Hold on to the wiper when folding the
wiper arm back. If released, the force
of the impact from the tensioning
spring could crack the windshield.
Page 425 of 506
423 Practical hints
Replacing wiper blades
Replacing wiper blades
Removing wiper blades
Turn SmartKey in starter switch to
position1.
Turn combination switch to wiper
settingII (
page 51).
With wiper arm in the vertical position,
turn SmartKey in starter switch to
position0.
Fold the wiper arm forward until it
snaps into place.
Turn the wiper blade at a right angle to
wiper arm.
Slide the wiper blade sideways out of
the retainer.
!The windshield wipers must be in a ver-
tical position before folding them away
from the windshield. They could other-
wise damage the hood.
Warning!
G
For safety reasons, switch off wipers and re-
move SmartKey from starter switch (vehi-
cles with KEYLESS-GO*: make sure the
vehicle's on-board electronics have status
0) before replacing a wiper blade. Other-
wise, the wiper motor could suddenly turn
on and cause injury.
Page 479 of 506

477 Index
A
ABS 85, 471
ABS control 86
Malfunction indicator lamp 356
Messages in display 369
Warning lamp 356
Accelerator position, automatic
transmission* 180
Accessory weight 337
Accident
In case of 54
Activating
Air conditioning (cooling) 201, 214
Air recirculation mode 199, 212
Anti-theft alarm system 94
Automatic climate control
(Dual-zone) 194, 195
Central locking (control system) 166
Defrosting 199
Distance warning function* 244
Distronic* 240
Easy-entry/exit feature* 167ESP 90
Exterior headlamps 50
Exterior lamps 134
Front fog lamps 136
Hazard warning flasher 138
Headlamps 50
High beams 137
Ignition 34
Ignition with KEYLESS-GO* 36
Immobilizer 56, 94
Rear fog lamp 136
Rear window defroster 191
Residual heat 202, 215
Seat heater* 128
Tow-away alarm 95
Windshield wipers 52
Adding
Engine oil 306
Additional turn signal 418
Adjustable air vents, rear passenger
compartment 216Adjusting 37
Air distribution 198, 210
Air volume 198, 211
Backrest tilt 38
Drive-dynamic seat* with multicontour
features 126
Exterior rear view mirror 41
Head restraint height 39
Head restraint tilt 39
Instrument cluster illumination 142
Interior rear view mirror 41
Mirrors 40
Seat cushion tilt 38
Seat fore and aft adjustment 38
Seat height 38
Seats 37
Steering column height 40
Steering wheel 39
Adjusting steering column in or out 40
Adjusting steering column up or down 40
Adjusting the dynamic seat 169
Page 483 of 506

481 Index
Checking
Coolant level 308
Oil level 301, 304
Tire inflation pressure 301
Vehicle lighting 301
Child safety 71
Airbags 62
Infant and child restraint systems 67,
71
LATCH child seat anchors 81
Child safety switch see Blocking of rear
window operation 83
Cigarette lighter 269
Cleaning
Headlamps 186, 350
Light alloy wheels 351
Parktronic* system sensor 351
side markers 350
tail lamps 350
turn signal lenses 350
Windshield 52
Wood trims 354
Cleaning tires 313Clock 160
Closing
Glove box 262
Panorama sliding/pop-up roof 227
Roller sunblinds 226
Side windows 219
Sliding/pop-up roof* 223
Trunk
Vehicle with KEYLESS-GO* 115,
116
Trunk lid 112
Windows 218
Closing the trunk lid 115, 116
Cockpit 22, 471
Cockpit management and data system
(COMAND) 472
Cold tire inflation pressure 337
Collapsible tire 457
Tire inflation pressure 429
COMAND 472
COMAND* see separate operating instruc-
tionsCombination switch 137
Turn signals 51
Windshield wipers 51
Control system 145, 472
AUDIO menu 150
Convenience submenu 167
Display digital speedometer 150
Distronic* menu 152
Functions 149
Instrument cluster submenu 157,
159
Lighting submenu 162
Menus 148, 149
Multifunction display 145
Multifunction steering wheel 146
Selecting radio system 150
Selecting satellite radio* system 151
Settings menu 154
Standard display menu 150
Submenus 147, 149
TEL* menu 171
Trip computer menu 170
Vehicle status message memory
menu 153
Vehicle submenu 166
Page 498 of 506

496 IndexSettings
Calling up Distronic* 152, 238
Convenience functions 167
Factory, KEYLESS-GO* 105
Factory, SmartKey 99
Individual 168
Lighting (control system) 162
Menus and submenus 147
Resetting all (control system) 154
Resetting in the submenu 155
Selective 100, 106
Settings menu
Functions in 154
Individual vehicle settings 154
Submenus 155
Shift lock 475
Shifting
Gear selector lever positions 178
Into optimal gear range (automatic
transmission) 176
Side impact airbags 66
Side marker lamps 418, 422Side windows
Automatic opening 219
Cleaning 352
Closing 218, 219
Opening 218
Opening fully (Express-open) 219
Stopping 220
Synchronizing power windows 220
Sidewall 338
Simultaneous wiping and washing
Windshield wipers 52
Single wipe 52
Ski sack* 254
Removing 257
Unfolding and loading 254
Unloading and folding 256
Sliding/pop-up roof* 223
Closing 223
Opening 223
Stopping 225, 229
Synchronizing 225
Sliding/pop-up roof* or panorama slid-
ing/pop-up roof*
Emergency operations 414SmartKey 98
Battery check lamp 100, 106
Checking the batteries 101, 107
Factory setting 99
Global locking 100
Global locking and unlocking 99
Global unlocking 99
Locking and unlocking 98
Loss of 102
positions in starter switch 33
Remote controls 98, 102
Restoring to factory setting 100, 106
Selective setting 100, 106
Starting the engine 46, 47
Unlocking with 32
SmartKey with KEYLESS-GO* 102
Global locking and unlocking 105
Loss of 108
Messages in display 391
Remote controls 102
Turning off the engine 57
Unlocking with 33
SmartKey-dependent memory
Settings 168
Page 500 of 506

498 IndexSwitching off
Automatic central locking (control
system) 166
Engine 56
ESP 89
Hazard warning flasher 138
Headlamps 56
Seat heating* 128
Switching on
Automatic central locking (control
system) 166
ESP 90
Front fog lamps 136
Hazard warning flasher 138
Headlamps 50
High beams 137
Parking lamps 133
Rear fog lamp 137
Seat heating* 128
Windshield wipers 51
Symbol (Distronic*)
Distance warning function* 152Synchronizing
ESP 372
Panorama sliding/pop-up roof* 229
Power windows 220
Sliding/pop-up roof* 225
Time 160
T
Tachometer 144
Displaying gear range 177
Overspeed range 144
Tail lamps 422
Tar stains 349
Tele Aid
Messages in display 403, 404
Tele Aid System 475Tele Aid* 271
Emergency calls 273
Information 276
Initiating an emergency call
manually 274
Remote door unlock 278
Roadside Assistance 275
Stolen vehicle tracking services 279
System self-check 272
Tele Aid System 271
Upgrade signals 277
Telematics* 475
Telephone* 26, 270
Answering a call 172
Dialing a number from the phone
book 172
Ending a call 172
Loading phone book* 172
Messages in the display 405
Operating 171
Redialing 173
Page 504 of 506
502 IndexWindshield washer fluid
Message in display 405
Refilling 310
Wiping with 52
Windshield wipers 51
Fast wiper speed 52
Intermittent wiping 52
Replacing wiper blades 423, 424
Single wipe 52
Switching on 51
Wiping with windshield washer
fluid 52
Winter driving
Block heater* 342
Snow chains 342
Tires 341
Transmission program mode 179
Winter tires 341
Winter driving instructions 294
Winter tires 341
Wiper blades 351
Installing 424
Removing 424
Replacing 424Wiping
And washing simultaneously 52
Interval 52
With windshield washer fluid 52
Wood trims
Cleaning 354
X
Xenon headlamps*
Bi-Xenon* 471