Page 8 of 491

Contents
Uniform Tire Quality Grading
Standards (U.S. vehicles) ............. 330
Tire ply material ........................... 332
Tire and loading terminology ........ 332
Rotating tires ............................... 335
Winter driving .................................... 337
Winter tires .................................. 337
Block heater* (Canada only) ........ 338
Snow chains................................. 338
Maintenance...................................... 339
Clearing the maintenance
service indicator........................... 340
Maintenance service term
exceeded ..................................... 340
Calling up the maintenance
service indicator........................... 341
Resetting the maintenance
service indicator........................... 341
Setting the date for special
works ........................................... 342
Calling up the maintenance
service data information .............. 343
Vehicle care ....................................... 344
Cleaning and care of vehicle ........ 344
Practical hints.................................. 351
What to do if … ................................... 352
Lamps in instrument cluster ......... 352
Lamp in center console................. 360
Vehicle status messages in the
multifunction display..................... 362
Where will I find ...? ............................ 401
First aid kit.................................... 401
Vehicle tool kit, jack and
spare wheel .................................. 401
Unlocking / locking in an emergency .. 404
Unlocking the vehicle.................... 404
Locking the vehicle ....................... 405
Fuel filler flap emergency release . 405
Manually unlocking the
gear selector lever ........................ 405
Opening / closing in an emergency ..... 407
Tilt / sliding sunroof*..................... 407
Replacing SmartKey batteries ............ 408
SmartKey ...................................... 408
SmartKey with KEYLESS-GO* ....... 409
Replacing bulbs .................................. 410
Bulbs ............................................. 410
Replacing bulbs for front lamps .... 413
Replacing bulbs for rear lamps ..... 415Replacing wiper blades ...................... 416
Removing wiper blades ................. 416
Installing wiper blades .................. 417
Flat tire............................................... 418
Preparing the vehicle .................... 418
Mounting the spare wheel ............ 419
Batteries............................................. 424
Disconnecting the battery ............ 426
Removing the battery ................... 426
Charging and reinstalling the
battery .......................................... 427
Reconnecting the battery ............. 427
Jump starting...................................... 428
Towing the vehicle.............................. 430
Installing towing eye bolt .............. 433
Fuses.................................................. 434
Aids for replacing fuses ................ 434
Fuse box in passenger
compartment ................................ 435
Fuse box in cargo compartment ... 435
Page 274 of 491

273 Controls in detail
Useful features
Roadside Assistance button•
Located below the center armrest cover is
the Roadside Assistance button•.
Press and hold the button (for longer
than two seconds).
A call to a Mercedes-Benz Roadside As-
sistance dispatcher will be initiated.
The button will flash while the call is in
progress. The message
Connecting
call
will appear in the multifunction
display and the audio system is muted.
When the connection is established, the
message Call connected
appears in the
multifunction display. The Tele Aid system
will transmit data generating the vehicle
identification number, model, color and lo-
cation (subject to availability of cellular
and GPS signals).A voice connection between the Roadside
Assistance dispatcher and the occupants
of the vehicle will be established.
Describe the nature of the need for
assistance.
The Mercedes-Benz Roadside Assistance
dispatcher will either dispatch a qualified
Mercedes-Benz technician or arrange to
tow your vehicle to the nearest authorized
Mercedes-Benz Center. For services such
as labor and / or towing, charges may ap-
ply. Refer to the Roadside Assistance man-
ual for more information.
These programs are only available in the
USA:
Sign and Drive services: Services such
as a jump start, a few gallons of fuel or
the replacement of a flat tire with the
vehicle spare tire are obtainable.
Warning!
G
If you feel at any way in jeopardy when in the
vehicle (e.g. smoke or fire in the vehicle, ve-
hicle in a dangerous road location), please
do not wait for voice contact after you have
pressed the emergency button. Carefully
leave the vehicle and move to a safe loca-
tion. The Response Center will automatically
contact local emergency officials with the
vehicle’s approximate location if they re-
ceive an automatic SOS signal and cannot
make voice contact with the vehicle occu-
pants.
Page 352 of 491
351 Practical hints
What to do if …
Where will I find ...?
Unlocking / locking in an emergency
Opening / closing in an emergency
Replacing bulbs
Replacing wiper blades
Flat tire
Batteries
Jump starting
Towing the vehicle
Fuses
Page 486 of 491

485 Index
Tires and wheels
Tire inflation pressure 318
Tools 403
Tow-away alarm 99
Arming 99
Disarming 99
Disarming for transport 99
Towing eye bolt (vehicle tool kit)
Installing 433
Towing the vehicle 430
Traction 189, 335
Transmission fluid level 303
Tread 335
Tread depth 309
Tread depth (tires 337
Treadwear indicators 335
Trip computer 178
Trip odometer
Resetting 151
Trunk
Lock button, KEYLESS-GO* 113
Turn signals 51
Additional in mirrors 411
Front bulbs 411
Turning off
Engine 57Twin roller blind 256
U
Uniform Tire Quality Grading
Standards 335
Units
Setting speedometer units 165
Setting temperature units 165
Setting tire inflation pressure
units 167
Unlocking 32, 102, 404
Driver’s door in an emergency 404
Fuel filler flap 296
Global 104
Global with KEYLESS-GO* 110
Selective setting 104, 111
Vehicle in an emergency 276
With KEYLESS-GO* 33
With the SmartKey 32
Upgrade scenario
Tele Aid* 275
Uphill driving
Cruise control 229
Upshifting 185
Useful features 259
Ashtrays 265
Cigarette lighter 266Garage door opener 277
Heated steering wheel* 267
Tele Aid* 269
Telephone* 268
V
Vehicle
Individual settings 162, 164
Locking in an emergency 405
Lowering 422
Towing 430
Unlocking in an emergency 404
Vehicle capacity weight 335
Vehicle care
Cup holder 349
Distronic* system sensor cover 347
Engine cleaning 346
Gear selector lever 349
Hard plastic trim items 349
Leather upholstery 350
Light alloy wheels 348
Ornamental moldings 347
Paintwork 346
Plastic and rubber parts 350
Power washer 345
Seat belts 349
Steering wheel 349