Page 262 of 481
261 Controls in detail
Loading
Loading
Roof rack
1Trim coverPreparing roof rack installation
Open trim covers1 at the trim strips
in the roof.
Only attach the roof-rack system to the
anchorage points under the trim
covers1.
Observe manufacturer’s instructions
for installation.
Warning!G
Only use roof racks approved by
Mercedes-Benz for your vehicle model to
avoid damage to the vehicle.
Follow the manufacturer’s installation
instructions. Otherwise, an improperly at-
tached roof-rack system or its load could be-
come detached from the vehicle.
Do not exceed the maximum roof load of
220 lbs (100 kg).
Take into consideration that when the roof
rack is loaded, the handling characteristics
are different from those when operating the
vehicles without the roof rack loaded.
!Load the roof rack in such a way that the ve-
hicle cannot be damaged while driving.
Make sure
you can fully raise the tilt/sliding sunroof*
you can fully open the trunk
Page 394 of 481

393 Practical hints
What to do if …?
Display symbolDisplay messagePossible cause/consequencePossible solution
KClose
tilt/sliding sunroofYou 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 250).
JClose
tilt/sliding sunroofYou 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 250).
L Tele Aid malfunction
Drive to workshopOne or more main functions of the Tele
Aid system are malfunctioning.Have the Tele Aid system checked by
an authorized Mercedes-Benz Center.
tFunction
UnavailableThis display appears if button t or
s on the multifunction steering wheel
is pressed and the vehicle is not equipped
with a telephone.
W To up
Washer fluidThe fluid level has dropped to about 1/3 of
total reservoir capacity.Add washer fluid (page 312).
Page 403 of 481
402 Practical hints
Opening/closing in an emergency
Power tilt/sliding sunroof*
You can open or close the tilt/sliding
sunroof manually should an electrical
malfunction occur.
The tilt/sliding sunroof drive is located
behind the lens 1 of the interior overhead
light.
1Lens
Remove SmartKey from the starter
switch.
Pry off lens1 using a flat blade
screwdriver.2Locking tabs
Slide both locking tabs2 in the direc-
tion of arrows.
Lower the rear of the cover.
Remove the cover.
Take the crank 3 out of the Operator’s
Manual pouch.
Insert crank3 through hole on the left
side.3Crank
Turn crank3 clockwise to:
slide sunroof closed
raise sunroof at the rear
Turn crank3 counterclockwise to:
slide sunroof open
lower sunroof at the reariDo not disconnect electrical connectors.
iTurn crank3 slowly and smoothly.
The tilt/sliding sunroof must be synchronized af-
ter being operated manually (
page 252).
Page 425 of 481

424 Practical hints
Battery
Reconnecting the battery
Turn off all electrical consumers.
Remove SmartKey from starter switch.
Vehicles with KEYLESS-GO*:
Open the driver’s door.
Connect the battery positive lead and
fasten its cover3 (
page 422).
Connect the battery negative lead 2
(
page 422).
Reinstall the filter box (page 421).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.
!Always connect the battery in the order de-
scribed below. Otherwise the vehicle’s electron-
ics can be damaged.
!Never invert the terminal connections!
iThe following procedures must be carried
out following any interruption of battery power
(e.g. due to reconnecting):
Set the clock (page 156). Vehicles with
COMAND*: see COMAND operator’s manu-
al.
Synchronize the side windows
(
page 247).
Synchronize the tilt/sliding sunroof*
(
page 252).
Page 462 of 481

461 Index
Text messages 370–376
Vehicle status message memory 149
Vehicle status messages see
Multifunction display messages
Distance to empty (Range),
Trip computer 164
Door
Entry lamps 137
Handle (inside) 32
Locking/unlocking,
KEYLESS-GO* 35, 104
Locking/unlocking,
SmartKey 34, 100
Opening from inside/outside 108
Remote door unlock (Tele Aid) 284
Unlocking, Mechanical key 399
Door control panel 32
Door handle 108
DOT 337
Drinking and driving 293Driving
Abroad 300
Hydroplaning 297
In winter 299
Instructions 47, 293
Problems 58
Safety systems 88
Systems 253
Through standing water 300
Driving off 295
Driving safety systems
ABS 88
BAS 90
Electronic traction system 92
ESP
®91
Driving systems
Cruise control 253
Parktronic system*
(Canada only) 257
Driving tips 172
Accelerator position 172
Kickdown 172E
Easy-entry/exit feature 44, 162
Electrical fuses see Fuses
Electrical outlet 275
Electrical system, Technical data 446
Electronic Stability Program see ESP
®
Emergency call system* 279
Emergency calls
911 calls 243
Tele Aid calls 280, 281
Emergency operation
(Limp-Home Mode) 178
Emergency operations
Active head restraints, Resetting 403
Center console,
Indicator lamps 366–367
Gear selector lever, Unlocking 401
Instrument cluster,
Indicator lamps 356–365
Power tilt/sliding sunroof*,
Manual operation 402
Remote door unlock 284
Trunk lid, Releasing from inside 116
Trunk lid, Unlocking 400
Unlocking/locking
the vehicle 399, 400
Page 466 of 481

465 Index
I
Identification labels 438
Identification number,
Vehicle (VIN) 438, 439
Ignition
with KEYLESS-GO* 38
with SmartKey 36
Immobilizer 94
Indicator lamps
see Lamps, indicator and warning
Infant and child restraint systems
see Children in the vehicle
Inflation pressure
see Tires,Inflation pressure
Inside door handle 32, 108
Instrument cluster 26, 138
Illumination brightness 138
Lamps in 356–365
Messages in display
see Multifunction display messages
Multifunction display 141
Instrument lighting see Instrument cluster,
Illumination brightness
Instrument panel see Instrument cluster
Instruments and controls see CockpitInterior lighting 136
Delayed shut-off 161
Interior rear view mirror 45, 180
Antiglare position 179
Auto-dimming 180
Interior storage spaces
see Storage compartments
J
Jack 394
Jacking up the vehicle 416
Jump starting 425K
Key, Mechanical 399
Key, SmartKey 98
Batteries 107
Battery check lamp 100, 105
Changing batteries 404
Factory setting 100, 101
Ignition 36
Locking/unlocking 34, 62, 98
Locking/unlocking,
Global setting 100
Locking/unlocking,
Selective setting 100
Loss of 107
Message in display 385
Opening and closing the
power tilt/sliding sunroof* 251
Opening and closing the
power windows 248
Positions in starter switch 36
Remote control 98
SmartKey with KEYLESS-GO* 101
Starting the engine 51
Steering wheel lock 36
Turning off the engine 61
Unlocking/opening trunk lid 101
Page 469 of 481

468 Index
Multifunction display messages 368
ABS 370
Battery 378
Brake fluid 379
Brake pads 379
Check engine 380
Coolant 380–382
Engine 380
Engine coolant 380–382
ESP
®370
Fog lamps 387
Front passenger
front air bag 372–375
Fuel cap 383
Fuel reserve tank 385
Gear selector lever 376
Headlamps 387–390
Key, SmartKey 385
KEYLESS-GO* 385
Lamps 388
Lamps, exterior 387–390
License plate lamp 388
Light sensor 386
Parking brake 379
Parking lamps 388
Power tilt/sliding sunroof* 393SRS 391
Steering gear oil 392
Tele Aid 393
Telephone* 393
Turn signals 387
Windshield washer fluid 393
Multifunction steering wheel 28, 142
Button operation 142
N
Navigation system* 149
See separate COMAND*
operating instructions
Net, Parcel 269
Neutral gear position,
Automatic transmission 168, 170
New vehicle break-in 292
Night security illumination 131
Normal occupant weight 338
Number, paintwork code 438
Number,
vehicle identification (VIN) 438, 439O
Occupant Classification System see OCS
Occupant distribution 338
Occupant safety 64
Active head restraints 79
Air bags 65
Children and air bags 80
Children in the vehicle 80
ETD 78
Fastening the seat belts 47
Front air bags 69
Front passenger front air bag off
indicator lamp 74, 366
Front side impact air bags 70
Infant and child restraint systems 80
LATCH-type child seat anchors 85
OCS 70
Rear side impact air bags* 70
Seat belts 47, 75
Seat belts, safety guidelines 68
SRS 64
Window curtain air bags 70
Page 471 of 481

470 Index
Power tilt/sliding sunroof* 250
Express opening/closing 251
Message in display 393
Opening/closing 250
Opening/closing
in an emergency 402
Stopping 252
Synchronizing 252
Power washer 347
Power windows 245
Cleaning 351
Convenience closing feature 249
Express opening/closing 246
Operating 245
Rear side windows,
Blocking operation 86
Summer opening feature 248
Synchronizing 247
Practical hints 356
Premium unleaded gasoline 451
Problems
While driving 58
With vehicle 17
Product information 9
Production options weight 338Program mode
see Automatic transmission,
Automatic shift program
Program mode selector switch
Automatic shift program 174
PSI 338
Push-start see Tow-startR
Radio
Operation 214
Search function 161
Selecting stations 147
Selecting stations (satellite*) 147
Radio transmitters 300
Range (distance to empty) 164
Reading lamp 31, 137
Rear bench seat, foldable 264
Rear fog lamp see Fog lamps
Rear lamps see Tail lamps
Rear seat ashtray see Ashtray
Rear seat head restraints
see Head restraints
Rear side windows
Blocking operation 86
Rear view mirrors see Mirrors
Rear window defroster 183
Rear window sunshade*
(Canada only) 182
Recommended
engine oils and oil filter 450
Recommended
tire inflation pressure 338