Page 229 of 456
228 Controls in detailLoadingRoof rack* Preparing roof rack installation
Open trim at the trim strips in the roof.
Secure the roof rack according to man-
ufacturer’s instructions for installation.
Warning!
G
Use only roof racks approved by
Mercedes-Benz for your vehicle model to
avoid damage to the vehicle. Follow manu-
facturer’s installation instructions.
!Load the roof rack in such a way that
the vehicle cannot be damaged while
driving.
Make sure
you can fully raise the tilt/sliding
sunroof
you can fully open the trunk
Page 360 of 456

359 Practical hints
What to do if …?
Display
Possible cause/consequence
Possible solution
(
SEAT BACKREST, LEFT
LOCK
The driver seat backrest is not engaged.
Fold back and push the seat backrest un-
til the seat cushion and seat backrest au-
dibly engage into the driving position.
SEAT BACKREST, RIGHT
LOCK
The passenger seat backrest is not en-
gaged.
Fold back and push the seat backrest un-
til the seat cushion and seat backrest au-
dibly engage into the driving position.
<
SEAT BELT SYSTEM
DRIVE TO WORKSHOP
The seat belt system is malfunctioning.
Visit an authorized Mercedes-Benz
Center as soon as possible.
K
CLOSE
SUNROOF
You have opened the driver’s door with
the SmartKey removed from the starter
switch and the sliding portion of the
tilt/sliding sunroof open.
Close the tilt/sliding sunroof
(page 202).
J
CLOSE
SUNROOF
You have opened the driver’s door with
the SmartKey removed from the starter
switch and the tilting portion of the
tilt/sliding sunroof open.
Close the tilt/sliding sunroof
(page 202).
L
TELE AID
DRIVE TO WORKSHOP
One or more main functions of the
Tele Aid system are malfunctioning.
Have the Tele Aid system checked by an
authorized Mercedes-Benz Center.
TELE AID BATTERY
DRIVE TO WORKSHOP
The emergency power battery for the
Tele Aid system is malfunctioning. If the
vehicle battery is also discharged,
Tele Aid will not be operational.
Have the Tele Aid system checked by an
authorized Mercedes-Benz Center.
Page 376 of 456
375 Practical hints
Opening/closing in an emergency
Opening/closing in an emergency
Tilt/sliding sunroof
You can open or close the tilt/sliding sun-
roof manually should an electrical malfunc-
tion occur.
The tilt/sliding sunroof drive is located be-
hind the lens of the interior overhead light.
1Lens
Pry off lens1 using a flat blade screw-
driver (
page 370).
Switch on the ignition (
page 34).
Take the crank from the operator’s
manual pouch.
2Crank
Insert crank2 through hole.
Turn crank2 clockwise to:
slide sunroof closed
raise roof at the rear
Turn crank2 counterclockwise to:
slide sunroof open
lower roof at the rear
iTurn crank2 slowly and smoothly.
The tilt/sliding sunroof must be syn-
chronized after being operated manual-
ly (
page 204).
Page 394 of 456
393 Practical hints
Battery
Reconnecting the battery
Turn off all electrical consumers.
Connect the positive lead and fasten its
cover 4.
Connect negative lead3.Batteries contain materials that can harm
the environment if disposed of improperly.
Large 12-volt storage batteries contain
lead. Recycling of batteries is the preferred
method of disposal. Many states require
sellers of batteries to accept old batteries
for recycling.!Never invert the terminal connections.
iThe following procedures must be car-
ried out following any interruption of
battery power (e.g. due to reconnect-
ing):
Set the clock (see COMAND opera-
tor’s manual).
Synchronize the ESP
®
(
page 343).
Synchronize the power windows
(page 199).
Synchronize the power tilt/sliding
sunroof (
page 204).
Page 438 of 456

437 Index
Driving safety systems
ABS 80
BAS 81
ESP
®
82, 429
Driving systems 205
ABC 220
Cruise control 205
Distronic* 208
Parktronic* 223
Vehicle level control 221E
Easy-entry/exit feature 112, 163
Electrical fuses see Fuses
Electrical system, Technical data 416
Electronic Stability Program see ESP
®
Emergency call system
Hands-free microphone 29
Emergency calls
Tele Aid 243, 244
Emergency operations
Fuel filler flap 374
Limp Home Mode, Automatic
transmission 177
Locking/unlocking the vehicle 372
Power tilt/sliding sunroof, Manual
operation 375
Remote door unlock (Tele Aid) 248
Trunk, Releasing from inside 109
Trunk, Unlocking 373
Emergency Tensioning Device see ETD
Emergency, In case of
Battery, Jump starting 394
First aid kit 369
Flat tire, Changing 386Fuses 399
Hazard warning flasher 130
Instrument cluster, Indicator
lamps 328
Roadside Assistance 12
Roadside Assistance (Tele Aid) 244
Towing the vehicle 396
Emission control 268
Information label 406
System warranties 10
Vacuum line routing diagram
label 406
Engine
Block heater (Canada only) 314
Break-in recommendations 258
Cleaning 320
Compartment 273
Malfunction indicator lamp 25, 330
Number 406, 428
Poly-V-belt layout 407, 408
Starting 48
Tachometer 25, 136
Technical data 408
Turning off 58
Engine coolant see Coolant
Page 442 of 456

441 Index
J
Jack 370, 388
Jacking up the vehicle 387
Jump starting 394K
Key, Mechanical 372
Key, SmartKey 90
Battery check lamp 90, 92
Checking the batteries 93
Factory setting 92
Locking/unlocking 32, 60, 90
Locking/unlocking, Global setting 92
Locking/unlocking, Selective
setting 92
Loss of 94
Messages in display 353
Opening the trunk 93
Operating the power tilt/sliding
sunroof 200
Operating the power windows 200
Position in starter switch 34
Remote control 90
Replacing the batteries 376
Starting the engine 48
Turning off the engine 59Key, SmartKey with KEYLESS-GO* 94,
429
Battery check lamp 94, 98
Checking the battery 99
Factory setting 97
Locking the vehicle 99
Locking/unlocking 33, 60, 94
Locking/unlocking, Global setting 97
Locking/unlocking, Selective
setting 98
Loss of 100
Messages in display 353
Opening the trunk 100
Operating the power tilt/sliding
sunroof 200
Operating the power windows 200
Remote control 94
Replacing the battery 377
Starting the engine 49
Turning off the engine 59
KEYLESS-GO* see Key, SmartKey with
KEYLESS-GO*
Kickdown 169, 429
Kilopascal 310
Page 445 of 456

444 Index
Hood 353
Instrument cluster 350
Lamp sensor 356
Lamps 354
License plate lamp 355
Low beam headlamps 356
Maintenance service indicator 315
Parking brake 345
Parking lamps 357
Power tilt/sliding sunroof 359
Reverse lamps 357
Seat belts 359
Selector lever 344
Side marker lamps 356
SmartKey 353
SmartKey with KEYLESS-GO* 353
Tail lamps 357
Tele Aid 359
Telephone* 360
Tires 361
Trunk 360
Turn signal lamps 358
Washer fluid 360
Multifunction steering wheel 138, 430
Button operation 138N
Navigation system
See separate COMAND operating in-
structions
Net, parcel 234
Neutral gear position, Automatic
transmission 48, 165, 167
New vehicle break-in 258
Night security illumination 160
Normal occupant weight 310
Number, vehicle identification (VIN) 406O
Occupant distribution 310
Occupant safety 62
Air bags 63
Children and air bags 64
Children in the vehicle 72
Fastening the seat belt 45
Front passenger front air bag off indica-
tor lamp 74
Infant and child restraint systems 72
LATCH-type child seat anchors 77
Seat belts 45, 66
Odometer 135
Oil see Engine oil
One-touch gearshifting 172
Operating safety 16
Ornamental moldings, cleaning 321
Outside temperature indicator 25, 136
Overdue maintenance service 316
Overhead control panel 29
Overspeed range, Engine 430
Page 446 of 456

445 Index
P
Paintwork, Cleaning 319
Panic alarm 79
Parcel net
Front passenger footwell 234
Trunk 234
Parking 57, 262
Parking assist see Parktronic*
Parking brake 50, 58
Message in display 345
Warning sounds 51, 329
Parking lamps 125
Messages in display 357
Replacing bulbs 379, 382, 383
Parking position
Exterior rear view mirrors 124, 164,
180
Gear position, Automatic
transmission 48, 165, 167
Parktronic* 223, 430
Activating/deactivating 226
Cleaning system sensors 322
Malfunctioning 227
Minimum distance 225
Range of the sensors 224System sensors 322
Warning indicators 225
Warning sounds 225
Parts service 404
PASS AIR BAG OFF indicator lamp see
Front passenger front air bag off indica-
tor lamp 74
Passenger compartment 267
Fuse boxes 400
Interior lighting 131
Interior rear view mirror 43
Parcel net in front passenger
footwell 234
Passenger safety see Occupant safety
Pedals 259
Phone see Telephone*
Plastic parts, cleaning 324
Poly-V-belt drive 408, 430
Layout 407
Positions (Memory function) see Power
seats
Power assistance 259
Power closing assist for doors and trunk
lid 110Power seats 37, 112
Easy entry/exit feature 112
Folding back front seat backrests 40
Folding forward front seat
backrests 40
Heating 119
Lumbar support 117
Memory function 122
Multicontour* 117
Multicontour*, Lumbar support 118
Multicontour*, Massage function
(PULSE) 118
Multicontour*, Shoulder support 117
Multicontour*, Side bolsters 118
Ventilation* 121
Power tilt/sliding sunroof 202
Messages in display 359
Opening/closing in an
emergency 375
Operating 202
Operating, SmartKey 200
Operating, SmartKey with
KEYLESS-GO* 200
Stopping 204
Synchronizing 204
Power train 431