Page 336 of 458

334 Practical hintsWhat to do if …?Lamp in center consoleLamp
Problem
Possible cause
Suggested solution
5
8
The indicator lamp comes
on.
A BabySmart
TM1
child seat is installed
on the front passenger seat. Therefore
the passenger front air bag is switched
off.
1BabySmart
TM is a trademark of Siemens Automotive Corp.
The indicator lamp comes
on if there is no
BabySmart
TM child seat
installed on the front pas-
senger seat.
The system is malfunctioning.
Have the system checked as soon as
possible by an authorized Mercedes-Benz
Center.
The indicator lamp does
not come on with a
BabySmart
TM child seat
properly installed on the
front passenger seat.
The system is malfunctioning.
Make sure there is nothing between seat
cushion and child seat and check
installation of the child seat.
If the front passenger front air bag off
indicator lamp remains out, have the
system checked as soon as possible by an
authorized Mercedes-Benz Center.
Do not use the BabySmart
TM restraint to
transport children on the front passenger
seat until the system has been repaired.
Page 370 of 458

368 Practical hintsUnlocking/locking in an emergencyUnlocking the trunk
A minimum height clearance of 6.3 ft
(1.90 m) is required to open the trunk lid.
The trunk lid lock is located next to the
handle above the rear license plate recess.
1Unlocking and opening
2Trunk lid lock
Insert the mechanical key into the
trunk lid lock until it stops.
Turn the mechanical key counterclock-
wise to position1.
The trunk unlocks and opens.
Locking the vehicle
If you are unable to lock the vehicle with
the SmartKey or the SmartKey with
KEYLESS-GO*, do the following:
Close the passenger doors and the
trunk lid.
Press the central locking switch in the
center console (
page 111).
Check to see whether the locking
knobs on the passenger doors have
moved down.
If necessary push them down manually.
Except for the driver's door, the vehicle
should now be locked.1Unlocking
Remove the mechanical key out of the
SmartKey (
page 367).
Insert the mechanical key into the driv-
er’s door lock until it stops.
Turn the mechanical key clockwise to
position 1.
The driver’s door is locked.
!The trunk lid swings open upwards au-
tomatically. Always make sure that
there is sufficient overhead clearance.
Page 421 of 458

419 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 air bag 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 air bag when such
a seat is properly installed (the
58indicator lamp in the center
console comes on). See an authorized
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 air bag if a BabySmart
TM
compatible child seat is installed. See
an authorized Mercedes-Benz Center
for availability.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.
CAC
(C
ustomer A
ssistance C
enter)
Mercedes-Benz customer service cen-
ter, which can help you with any ques-
tions about your vehicle and provide
assistance in the event of a break-
down.
Page 430 of 458

428 IndexBattery, SmartKey with KEYLESS-GO*
Check lamp 99
Checking the battery 99
Replacing 372
Battery, vehicle 281, 386
Charging 387
Disconnecting 387
Reconnecting 388
Reinstalling 387
Removing 387
Bead 309
Bi-Xenon headlamps 419
Block heater (Canada only) 314
Blocking
Rear window operation 78
Brake assist system (BAS) 419
Brake fluid 271, 414
Brake lamp bulbs 374
Brake lamp, high mounted 374Brake pads
Message in display 343
Brakes 260
High-performance brake system (CL 65
AMG only) 261
Warning lamp 327
Break-in period 258
Bulbs, replacing 373
Additional turn signals 374
Backup lamps 374
Brake lamps 374
Fog lamps 374
Front lamps 374
High beam 374
High mounted brake lamp 374
License plate lamps 374, 378
Low beam 374
Parking lamps 374, 377
Rear fog lamp 374, 377, 378
Side marker lamps 374, 377
Standing lamps 374, 377
Tail lamp assemblies 374, 378
Turn signal lamps 374C
CAC (Customer Assistance Center) 419
Calling up
Distronic* settings 149
Maintenance service indicator 316
Range (distance to empty) 151
CAN system 420
Canceling
Cruise control 206
Cargo tie-down hooks 230
Catalytic converter 268
CD changer* 144
CD mode 144
CD operation
Selecting tracks 143
Center console 27
Air bag off indicator lamp 334
Front passenger front air bag off indica-
tor lamp 334
Lower part 28
Upper part 27
Centigrade (°C)
Setting temperature units 156
Page 443 of 458

441 Index
Engine oil level 348
Entry position 350
Hood 350
Lamps 353
Parking brake 341
Selector lever 341
SmartKey 350
SmartKey with KEYLESS-GO* 350
Tele Aid 356
TeleAid 356
Telephone* 356
Tires 358, ??–364
Trunk 357
Washer fluid 357
Multifunction steering wheel 26, 137,
422
Buttons 137
N
Navigation system
Operating 148
See separate COMAND operating in-
structionsNight security illumination 127
Normal occupant weight 310
Nubuck leather upholstery
Cleaning 323
O
Occupant distribution 310
Occupant safety 62
Air bags 63
Children and air bags 64
Children in the vehicle 72
Fastening the seat belt 45
Infant and child restraint systems 72
LATCH child seat mounts 77
Seat belts 45, 66
Oil
Adding 278
Consumption 274
Dipstick 274
Filler neck 278, 279
Viscosity 421Oil level
Checking 272
Oil level via control system
Checking 275
One-touch gearshifting 167
Canceling gear range limit 167
Downshifting 167
Upshifting 167
Opening
Ashtray 238
Cup holder 237
Doors from the inside 100
Fuel filler flap 270
Fuel filler flap manually 369
Glove box 232
Hood 273
Power tilt/sliding sunroof 202
Side windows 198
Storage compartment in the center
console 234
Storage compartments in the
armrest 234
Page 445 of 458

443 Index
Phone book*
Loading 147
Quick search 147
Phone number*
Dialing 147
Redialing 148
Plastic and rubber parts
Cleaning 323
Poly-V-belt drive 422
Positions (Memory function)
Recalling from memory 123
Positions (Memory function*)
Storing into memory 123
Potential problems associated with under-
inflated and overinflated tires 298
Power assistance 259
Power closing assist for doors and trunk
lid 110
Power seat
Adjusting backrest tilt 38
Adjusting head restraint height 39
Adjusting head restraint tilt 39
Adjusting seat cushion depth 38
Adjusting seat cushion tilt 38Adjusting seat height 38
Folding forward front seat
backrests 40
Front seat head restraints 114
Seat fore and aft adjustment 38
Power tilt/sliding sunroof 202
Closing 202
Messages in display 356
Opening 202
Power train 423
Power window
Blocking of rear window operation 78
Opening and closing 197
Power windows
Synchronizing 199
Power-wash 318
Practical hints
First aid kit 365
Fuses 394
Lamp in center console 334
Lamps in instrument cluster 326
Vehicle status messages in the multi-
function display 335
Vehicle tool kit 365Problems
While driving 56
With vehicle 17
Product information 9
Production options weight 310
Program mode selector switch 423
Proper use of the vehicle 16
PSI 310
PULSE function (Massage function) 118
Q
Quick search
Phone book* 147
R
Radio
Selecting satellite radio*
stations 142
Selecting stations 142
Radio transmitters, control and
operation 267
Range (distance to empty)
Calling up 151