Page 241 of 435

240 Controls in detailUseful features1Rear door lighters
Make sure the ignition is switched on.
All the lamps in the instrument cluster
should come on.
Lightly touch the back of the ashtray to
open it (
page 239).
Push in cigarette lighter1.
The lighter will pop out automatically
when hot.
Heated steering wheel*
The steering wheel heating warms up the
leather area of the steering wheel.
The stalk with the heated steering wheel
swith is on the lower left-hand side of the
steering wheel.
1Switching on
2Indicator lamp
3Switching off
iOperation of the rear door lighters is
only possible, if the override switch
(page 74) is deactivated.
Warning!
G
Never touch the heating element or sides of
the lighter; they are extremely hot. Hold the
knob only.
To avoid possible injury to children sitting in
the rear seat, deactivate the operation of
the rear door windows, see (
page 74). De-
activation of the rear windows also deacti-
vates the lighters.
When leaving the vehicle, always remove the
SmartKey from the starter switch, take the
SmartKey with KEYLESS-GO* with you and
lock your vehicle. Do not leave children un-
attended in the vehicle, or with access to an
unlocked vehicle. Unsupervised use of vehi-
cle equipment may cause an accident
and/or serious personal injury.
Page 312 of 435

311 Practical hints
What to do if …?
Lamp in center consoleProblem
Possible cause
Suggested solution
The PASSENGER AIRBAG OFF indicator
lamp comes on.
A BabySmart
TM child seat is installed on the
front passenger seat. Therefore the passen-
ger front airbag is switched off.
The system is malfunctioning when there is
no BabySmart
TM child seat installed on the
front passenger seat.
Have the system checked as soon as
possible by an authorized
Mercedes-Benz Center.
The PASSENGER AIRBAG OFF indicator
lamp does not come on with a
BabySmart
TM1
child seat properly installed
on the front passenger seat.
1BabySmart
TMis a trademark of Siemens AutomotiveCorp.
The system is malfunctioning.
Make sure that there is nothing between
seat cushion and child seat and check
installation of the child seat.
If the light remains out, have the system
checked as soon as possible by an au-
thorized Mercedes-Benz Center.
Do not use the BabySmart
TM restraint to
transport children on the front passen-
ger seat until the system has been re-
paired.
Page 402 of 435

401 Technical terms
ABC
(A
ctive B
ody C
ontrol)
Active, computer-controlled system
that hydraulically adjusts the suspen-
sion at all four wheels in response to
various driving situations.
ABS
(A
ntilock B
rake S
ystem)
Prevents the wheels from locking up
during braking so that the vehicle can
continue to be steered.
Alignment bolt
Metal pin with thread. The centering
pin is an aid used when changing a tire
to align the wheel with the wheel hub.BabySmart
TM airbag deactivation
system
This system detects if a special system
compatible child restraint seat is in-
stalled on the front passenger seat. The
system will automatically deactivate
the passenger front airbag when such
a seat is properly installed (indicator
lamp PASSENGER AIRBAG OFF in the
center console comes on). See an au-
thorized Mercedes-Benz Center for
availability.
BabySmartTM compatible child seats
Special restraint system for children.
The sensor system for the passenger
seat prevents deployment of the pas-
senger front airbag if a BabySmart
TM
compatible child seat is installed.BAS
(B
rake A
ssist S
ystem)
System for potentially reducing braking
distances in emergency braking situa-
tions. The system is activated when it
senses an emergency based on how
fast the brake is applied.
Bi-xenon headlamps
Headlamps which use an electric arc as
the light source and produce a more in-
tense light than filament headlamps.
Bi-xenon headlamps produce low beam
and high beam.
Page 406 of 435

405 Technical terms
Remote Vehicle Diagnostics
Transmission of vehicle data and cur-
rent location to the Mercedes-Benz
Customer Assistance Center for sub-
scribers to the Tele Aid service.
REST
(Residual engine heat utilization)
Feature that uses the engine heat
stored in the coolant to heat the vehi-
cle interior for a short time after the en-
gine has been turned off.
Restraint systems
Seat belts, belt tensioners, airbags and
child restraint systems. As indepen-
dent systems, their protective func-
tions complement one another.RON
(R
esearch O
ctane N
umber)
The Research Octane Number for gaso-
line as determined by a standardized
method. It is an indication of a gaso-
line's ability to resist undesired detona-
tion (knocking). The average of both
the ->MON (Motor Octane Number)
and RON (Research Octane Number) is
posted at the pump, also known as AN-
TI-KNOCK INDEX.
Shift lock
When the vehicle is parked, this lock
prevents the transmission selector le-
ver from being inadvertently moved out
of positionP without the SmartKey
turned and the brake pedal depressed.
SRS
(S
upplemental R
estraint S
ystem)
Seat belts, emergency tensioning de-
vice and airbags. Though independent
systems, they are closely interfaced to
provide effective occupant protection.Tele Aid System
(T
elematic A
larm I
dentification on
D
emand)
The Tele Aid system consists of three
types of response: automatic and man-
ual emergency, Roadside Assistance
and information. Tele Aid is initially ac-
tivated by completing a subscriber
agreement and placing an acquain-
tance call.
The Tele Aid system is operational pro-
vided that the vehicle’s battery is
charged, properly connected, not dam-
aged and cellular and GPS coverage is
available.
Telematics*
A combination of the terms “telecom-
munications” and “informatics.”
Tightening torque
Force times lever arm (e.g. a lug
wrench) with which threaded fasteners
such as wheel bolts are tightened.
Page 410 of 435

409 Index
Automatic lighting control
Activating 129
Deactivating 130
Automatic locking when driving 106
Automatic transmission 164
Accelerator position 170
Comfortable program mode 170
Deactivating steering wheel gearshift
control 173
Emergency operation
(Limp Home Mode) 173
Fluid level 278
Gear ranges 166
Gear selector lever position 167
Gear shifting malfunctions 173
Kickdown 170
One-touch gearshifting 165
Program mode selector switch 170
Selector lever position 164
Starting the engine 43
Steering wheel gearshift control
(Speedshift) S 55 AMG 168
Transmission fluid 278
Winter program mode 171
Auxiliary fuse box 374B
BabySmart
TM
Airbag deactivation system 71
Compatible child seats 71, 401
Self-test 71
BabySmart
TM airbag deactivation
system 401
Backrest supports
Lumbar region 113
Shoulder region 112
Backup lamps 354, 358
Bulbs 354
BAS 78, 401
Messages in display 315
Batteries, SmartKey
Changing 350
Check lamp 90, 91
Replacing 349
Battery discharged
Jump starting 369
Battery, SmartKey with KEYLESS-GO*
Changing 351
Check lamp 95Battery, vehicle 280, 366
Charging 367
Disconnecting 367
Reconnecting 368
Reinstalling 367
Removing 367
Bi-Xenon headlamps 401
Block heater (Canada only) 293
Blocking
Rear window operation 74
Brake assist system (BAS) 401
Brake fluid 270, 394
Brake lamp bulbs 354
Brake lamp, high mounted 354
Brake pads
Message in display 321
Brakes 260
Warning lamp 305
Break-in period 258
Bulbs, replacing 353
Additional turn signals 353
Backup lamps 354
Brake lamps 354
Page 411 of 435

410 Index
Fog lamps 353
Front lamps 353
High beam 353
High mounted brake lamp 354
License plate lamps 354, 358
Low beam 353
Parking and standing lamps 353
Parking lamps 354, 357
Rear fog lamp 354
Rear fog lamps 358
Side marker lamps 353, 357
Standing lamps 353, 354, 357
Tail lamp assemblies 354, 358
Turn signal lamps 353, 354
C
CAC (Customer Assistance Center) 402
Calling up
Distronic* settings 147
Range (distance to empty) 150
Service indicator 295
CAN system 402
Cargo tie-down hooks 230Cassette player
Operating 141
Catalytic converter 267
CD changer* 142
CD mode 142
CD player
Operating 141
Center console 25
AIRBAG OFF indicator lamp 311
Centigrade
Setting temperature units 154
Central locking
Automatic 106
From inside 107
Switch 107
Switching on/off (control
system) 159
Unlocking from inside 107
Changing
Batteries (SmartKey) 350
Battery (SmartKey with
KEYLESS-GO*) 351
CDs 142SmartKey setting 160
Vehicle level 219, 222
Charcoal filter 188
Activating 188
Deactivating 189
Charging
Vehicle battery 367
CHECK ENGINE malfunction indicator
lamp 306
Checking
Brake fluid 270
Coolant level 278
Oil level 271, 273
Oil level via control system 274
Tire inflate pressure 271
Vehicle lighting 271
Child safety 69
Airbags 60
Infant and child restraint systems 64,
69
LATCH child seat anchors 73
Cigarette lighter 239
Page 418 of 435

417 Index
Global Positioning System (GPS) 403
Glove box 231
Closing 231
Locking 231
Opening 231
Unlocking 231
Gloves (vehicle tool kit) 345
Good visibility 174
GPS 243, 403
H
Hand-held transmitter
Programming integrated remote
control 252
Hands-free microphone 27
Hard plastic trim items
Cleaning 301
Hazard warning flasher 128
Switching off 129
Switching on 129
Head restraint folding 119
Head restraints 109
Headlamp cleaning system* 281Headlamps
Automatic control 125
Bi-Xenon 401
Cleaning 298
Cleaning system* 177, 281
Refilling washer fluid 281
Switching off 53
Switching on 47
Headliner
Cleaning 301
Heated steering wheel* 240
Height adjustment
Head restraints 36
Steering wheel 37
Height adjustments
Vehicle level 219, 221
High beam
Replacing bulbs 353
High beam flasher 48, 128
High beam headlamps
Messages in display 330
Switching on 128
High mounted brake lamp 354Hood 272
Closing 273
Message in display 328
Opening 272
Hydroplaning 263
I
Identification labels 380
Ignition 31, 33
Switching on 43, 44
Immobilizer 83
Activating 83
Deactivating 83
Indicator lamps see Lamps, indicator and
warning
Individual seats* 118
Infant and child restraint systems 69
Installing 72
LATCH child seat anchors 73
Information
About service and warranty 10
Button for Tele Aid* 247
Infrared reflecting windshield 256
Page 420 of 435

419 Index
CHECK ENGINE 306
Coolant 322
DTR* 208
Engine diagnostics 306
ESP 307, 308
Fuel reserve 308
Instrument cluster 308
Seat belts 308
Service indicator 294
SRS 59
Language
Multifunction display 155
Setting 155
LATCH child seat anchors 73
Layout of poly-V-belt drive 381
Leather upholstery
Cleaning 302
Lever
For cruise control 210
License plate lamps
Replacing bulbs 354, 358
Light alloy wheels
Cleaning 301
Light sensor 331Lighter see Cigarette lighter 239
Lighting 124
Automatic headlamp mode 125
Combination switch 128
Daytime running lamp mode 126
Exterior lamp switch 124
Front fog lamps 127
High beam flasher 128
High beams 128
Instrument cluster illumination 131
Interior 129
Locator lighting 126
Low beam 124
Manual headlamp mode 125
Night security illumination 126
Parking lamps 124
Rear fog lamp 127
Settings (control system) 155
Limiting the gear range 166
Limp Home Mode 173
Loading 229
Cargo tie-down hooks 230
Instructions 229
Roof rack 229Locator lighting 126
Setting 156
Lock button 403
Lock buttons
Door handle (KEYLESS-GO*) 55
Locking 51, 88
Fuel filler flap 269
Global (SmartKey with
KEYLESS-GO*) 94
Global, SmartKey 89
Glove box 231
The vehicle with KEYLESS-GO* 95
Trunk lid, separately 105
Vehicle in an emergency 349
Loss of SmartKey 91
Loss of Smartkey with KEYLESS-GO* 96
Low beam headlamps
Messages in display 330, 331
Replacing bulbs 353
Lowering
Vehicle 365
Lumbar support adjustment 112