Page 25 of 421
22 Instruments and controls
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
Dashboard
3
3
3
3
7
6
42
1
3
5
910
1413
12
11
P68.10-2437-29
8
Page 26 of 421
23 Instruments and controls
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index 1Parking brake pedal, see page 242
2Hood lock release, see page 331
3Parking brake release, see page 242
4Exterior lamp switch, see page 156
5Easy-entry / exit feature, see page 66
Steering wheel adjustment, see page 105
6Headlamp washer button, see page 159
7Combination switch, see page 160
8Cruise control switch, see page 253, or
Distronic (DTR) switch, see page 2569Multifunction steering wheel, see page 120
Horn (with electronic key in starter switch
position 1 or 2)
Airbag, see page 94
10Instrument cluster, see page 114
11Voice recognition system switch, see separate
operating instructions
12Starter switch, see page 226
13Glove box lock, see page 194
14Glove box lid release, see page 194
Page 27 of 421
24 Instruments and controls
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
Center console1ESP (Electronic Stability Program) control switch,
see page 274
2ADS (Adaptive Damping System), see page 283
Level control for vehicles with ABC (Active Body
Control), see page 278
3Level control for vehicles with Airmatic,
seepage279
ABC (Active Body Control), see page 278
4Rear seat head restraints, see page 80
Rear seat head restraints, automatic, see page 81
5Hazard warning flasher switch, see page 163
6Central locking switch, see page 50
7Antitheft Alarm System, see page 62
Switch for Tow-Away Protection, see page 64
8Parking assist (Parktronic system) deactivation
(optional), see page 285
9Rear window sunshade, see page 190
10COMAND system, see separate operating
instructions
11Automatic climate control, see page 164
Rear window defroster, see page 180
P68.20-2314-27
Page 28 of 421
25 Instruments and controls
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index 12Ashtray, see page 201
Lighter, see page 203
13Start-/Stop button
Starter switch for KEYLESS-GO only, see page 228
14Lower storage space, see page 195
15Automatic transmission, see page 23316AIRBAG OFF indicator lamp, see page 302
17Distronic (DTR) – switch for distance notification
function, see page 268.
18Distronic (DTR) – thumbwheel for setting distance,
see page 268.
Page 29 of 421

26 Contents - Operation
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
OperationVehicle keys ...................................... 28
Start lock-out .................................... 32
General notes on the
central locking system ............... 33
Central locking system ................... 34
Radio frequency and
infrared remote control ............... 34
KEYLESS-GO ................................. 38
Opening and
closing windows and
sliding / pop-up roof
from outside .................................. 45
Panic button .................................. 47
Mechanical keys ........................... 47
Doors .................................................. 48
Power closing assist for
doors and trunk lid ..................... 50
Central locking switch .................... 50
Automatic central locking .............. 52
Emergency unlocking
in case of accident ...................... 52
Trunk ................................................. 53
Trunk lid release switch ................. 57Trunk lid release/close switch ...... 58
Trunk lid emergency release .........61
Antitheft alarm system ................... 62
Tow-away alarm ............................... 64
Easy-entry/exit feature .................. 66
Front seat adjustment ..................... 67
Removal and installation
of front seat head restraints ..... 72
Lumbar support ............................... 73
Multicontour backrest .................... 73
Seat heater ........................................ 75
Seat ventilation system .................. 78
Rear seat head restraints ............... 80
Power head restraints, rear ............ 81
Power seats, rear ............................. 82
Seat belts and integrated
restraint system .......................... 84
Seat belts .......................................... 84
Seat belt nonusage
warning system .......................... 85
BabySmart
TM airbag
deactivation system ....................91Self-test BabySmart
TM
without special child
seat installed ................................. 91
Supplemental Restraint
System (SRS) ............................... 92
Emergency tensioning
retractor (ETR) ............................. 93
Airbags .............................................. 94
Safety guidelines for the
seat belt, emergency
tensioning retractor
and airbag .................................. 100
Infant and child restraint
systems ....................................... 102
Steering wheel adjustment .......... 105
Rear view mirrors .......................... 106
Memory function ............................ 111
Instrument cluster ..........................114
Multifunction steering wheel,
multifunction display ............... 120
Trip and main odometer,
FSS, tire inf lation pressure
monitor and engine oil level
indicator ..................................... 124
Audio systems ............................. 125
Page 30 of 421

27 Contents - Operation
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Radio ............................................ 125
CD player ..................................... 126
Cassette player ........................... 127
Telephone ........................................ 128
Telephone book .......................... 128
Redialing ..................................... 130
Incoming call .............................. 132
Navigation system .......................... 133
Distronic (DTR) ............................... 134
Trip computer ................................. 135
Malfunction / warning
message memory ...................... 136
Individual settings ......................... 138
Setting the audio volume .............. 146
Flexible service system
(FSS) ............................................ 147
Tire inflation
pressure monitor ...................... 150
Engine oil level indicator .............. 154
Engine oil consumption ................ 155
Exterior lamp switch ..................... 156Night security illumination ..........158
Headlamp cleaning system ...........159
Combination switch .......................160
Hazard warning flasher
switch ..........................................163
Automatic climate control .............164
Display and controls ..................166
Basic setting ................................168
Special Settings ..........................169
Activated charcoal filter ........... 172
Economy mode ........................... 173
Residual engine heat
utilization .....................................174
Switching the automatic
climate control on and off ........ 175
Front center console storage
compartment ventilation .......... 175
Front center console storage
compartment ventilation .......... 175
Rear passenger compartment
climate control .......................... 177Power windows ............................... 181
Sliding/pop-up roof ....................... 184
Interior lighting ............................. 187
Rear window sunshade ................. 190
Rear door window sunshade ........ 191
Sun visors ....................................... 191
Vanity mirrors ................................ 192
Interior ............................................ 193
Storage compartments and
armrests ..................................... 193
Glove box ..................................... 194
Cup holder ...................................... 199
Ashtrays .......................................... 201
Lighter .............................................203
Parcel net in front
passenger footwell ....................204
Parcel net in trunk ........................204
Telephone, general ........................205
Garage door opener .......................206
Infrared reflecting
windshield ................................. 210
Page 31 of 421

28 Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Vehicle keys and KEYLESS-GO-cards (optional)
Included with your vehicle are:
•2 electronic main 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 main keys are a different color to
help distinguish each individual key.
•1 electronic reserve key without remote control
functions, plus removable mechanical key.
•Ve h i c l e s w i t h K E Y L E S S - G O :
2 KEYLESS-GO-cards without removable mechanical
key.Ve h i c l e s w i t h K E Y L E S S - G O :
See page 44 on how to use the electronic key together
with the KEYLESS-GO-card.
Important!
In the case of the loss of a KEYLESS-GO-card, electronic
keys or mechanical keys, please, contact an authorized
Mercedes-Benz Center or call 1-800-FOR-MERCedes (in
the USA), or 1-800-387-0100 (in Canada) as soon as
possible to have the keys or KEYLESS-GO-card
deactivated.
Wa r n i n g !
When leaving the vehicle always remove the
electronic key from the starter switch and take the
KEYLESS-GO-card (if so equipped) with you, 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 421

29 Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Electronic main key
The electronic main 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 storage compartment locks.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 main key.
The infrared receivers are located in the front door
handles.
Note:
Remove the mechanical key from the electronic main
key when using valet parking service. To prevent access
to trunk or storage compartments lock them separately
and retain the mechanical key.
See page 53 for separate locking of trunk and page 194
for locking of glove box.
P80.35-2031-26
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