Page 25 of 399
22 Instruments and controls
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
Dashboard
P68.10-2554-29
5
6
7
8
9
10
11
1213
14
15
Page 26 of 399
23 Instruments and controls
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index 1Hood lock release, see page 315
2Parking brake pedal, see page 256
3Steering wheel adjustment (manual), see page 87
4Parking brake release, see page 256
5Exterior lamp switch, see page 143
6Combination switch, see page 148
7Exterior mirror adjustment switch, see page 90
8Headlamp washer button, see page 147
9Cruise control switch, see page 26810Multifunction steering wheel, see page 102
Horn (with electronic key in starter switch
position 1 or 2)
11Instrument cluster, see page 96
12Voice recognition system switch (optional), see
separate operating instructions
13Starter switch, see page 240
14Glove box lid release, see page 207
15Glove box lock, see page 207
Page 27 of 399
24 Instruments and controls
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
Center console1Left front seat heater switch, see page 58
2ESP (electronic stability program) control switch, ,
see page 274
3Hazard warning flasher switch, see page 151
4Central locking switch, see page 38
5Antitheft alarm system, see page 44
Switch for tow-away protection, see page 46
6Right front seat heater switch, see page 58
7AIRBAG OFF indicator lamp, see page 289
8COMAND system (optional), see separate
operating instructions, or
audio system, see page 173
9Climate control, see page 152
Automatic climate control, see page 160
Rear window defroster, see page 170
P68.20-2457-27
2
3
4
56
78913
Page 28 of 399
25 Instruments and controls
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index 10Ashtray, see page 211
11Automatic transmission, see page 246, or
Manual transmission, see page 24412Storage compartment, see page 208
13Armrest, see page 208
Storage compartment, see page 213
Page 29 of 399

26 Contents - Operation
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
OperationVehicle keys ...................................... 28
Start lock-out..................................... 30
General notes on the
central locking system ............... 30
Central locking system ................... 31
Radio frequency and
infrared remote control ............... 31
Locking and unlocking ................ 33
Choosing global or selective
mode on remote control .............. 33
Opening and closing windows
and sliding / pop-up roof
from outside .................................. 34
Panic button .................................. 35
Mechanical keys ........................... 35
Doors .................................................. 36
Central locking switch .................... 38
Automatic central locking .............. 40
Emergency unlocking
in case of accident ...................... 40
Trunk ................................................. 41
Trunk lid emergency release ........ 43
Antitheft alarm system ................... 44Tow-away alarm ............................... 46
Easy-entry/exit feature .................. 47
Front seat adjustment..................... 48
Removal and installation of
front seat head restraints .......... 54
Front seat backrest
- locking and unlocking ............. 56
Heated seats ..................................... 58
Rear seat head restraints ............... 60
Seat belts and integrated
restraint system .......................... 62
Seat belts .......................................... 62
Seat belt nonusage
warning system........................... 63
BabySmart
TM airbag
deactivation system.................... 69
Self-test BabySmart
TM without
special child seat installed ........ 69
Supplemental Restraint
System (SRS) ............................... 70
Emergency tensioning
retractor (ETR) ............................. 71
Airbags.............................................. 72Safety guidelines for the seat
belt, emergency tensioning
retractor and airbag.................... 80
Infant and child
restraint systems......................... 82
Steering wheel adjustment
(manual) ....................................... 87
Steering wheel adjustment
(electrical) .................................... 88
Rear view mirrors ............................ 89
Instrument cluster ........................... 96
Multifunction steering wheel,
multifunction display ............... 102
Trip and main odometer and
sub menu ................................... 106
Audio systems ................................ 108
Radio ............................................ 108
CD player ..................................... 109
Cassette player ........................... 110
Telephone ......................................... 111
Navigation system........................... 116
Trip computer ................................. 117
Malfunction/warning
message memory ....................... 119
Page 30 of 399

27 Contents - Operation
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Individual settings......................... 121
Setting the audio volume.............. 136
Coolant temperature gauge .......... 137
Flexible service system (FSS) ...... 138
Engine oil level indicator .............. 141
Engine oil consumption ................ 142
Exterior lamp switch ..................... 143
Headlamp mode ............................. 144
Night security illumination.......... 146
Locator lighting .......................... 147
Headlamp cleaning system .......... 147
Combination switch....................... 148
Hazard warning flasher switch ... 151
Climate control ............................... 152
Automatic climate control ............ 160Front center console storage
compartment ventilation .......... 171
Rear passenger compartment
adjustable air outlets ............... 172
Operation Audio and
telephone ................................... 173
Operating safety ............................ 173
Operating and display elements .. 174
Button and soft key operation ...... 176
Component malfunctions ............. 195
Power windows .............................. 197
Sunshade for panorama
sliding/pop-up roof .................. 199
Panorama sliding/pop-up roof .... 200
Interior lighting ............................. 203
Sun visors ....................................... 205
Vanity mirrors................................ 205
Interior ............................................ 206Storage compartments
and armrests ..............................206
Glove box ..................................... 207
Cup holder ...................................... 210
Ashtrays .......................................... 211
Lighter ............................................. 213
Parcel net in front passenger
footwell ....................................... 214
Split folding rear seat bench ........ 215
Luggage cover – removal
and installation ......................... 217
Loading instructions (vehicle
with enlarged cargo area) ........ 218
Cellular telephone ......................... 219
Telephone, general ........................ 220
Garage door opener ....................... 221
Page 31 of 399
28 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Ve h i c l e k e y s
Included with your vehicle are 2 electronic keys with
integrated radio frequency and infrared remote controls
plus removable mechanical key.
The locking tabs for the mechanical key portion of the
two electronic keys are a different color to help
distinguish it.
Wa r n i n g !
When leaving the vehicle always remove the
electronic key from the starter switch, and lock
your vehicle. Do not leave children unattended in
the vehicle, or
with access to an unlocked vehicle. Unsupervised
use of vehicle equipment may cause serious
personal injury.
Page 32 of 399

29 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Electronic key
The electronic key has an integrated radio frequency
and infrared remote control, plus removable mechanical
key.
The remote control (1) operates all locks on the vehicle.
The mechanical key (2) works only in the driver’s door,
trunk, and glove box lock.When using the mechanical key (2) for lock operations,
it can be removed by sliding it out of the remote control.
To do so, move locking tab (3) to the right and slide the
mechanical key (2) in direction of arrow (4).
The remote control transmitter is located in the
electronic key.
The infrared receivers are located in the door handles.
Note:
Remove the mechanical key from the electronic key
when using valet parking service. To prevent access to
trunk or storage compartments lock them separately
and retain the mechanical key.
See page 41 for separate locking of trunk and page 207
for locking of glove box.
Obtaining replacement keys
Your vehicle is equipped with a theft deterrent locking
system requiring a special key manufacturing process.
For security reasons, replacement keys can only be
obtained from your authorized Mercedes-Benz Center.