Page 3 of 323

IntroductionCentral locking switch 36 Antiglare night position 75
Product information 7 Automatic central locking 37 Exterior rear view mirrors 76
Operator’s manual 8 Emergency unlocking in case of accident 38 Instrument cluster 80
Where to find it 13 Trunk 39 Multifunction steering wheel,
Reporting Safety Defects 15 Trunk lid release switch 41multifunction display
86
Antitheft alarm system 42 Trip and main odometer, vehicle
Instruments and controlsTow-away alarm 44 speed, FSS and engine oil level
Instruments and controls 18 Power seats, front 45 indicator 90
Center console 20 Front head restraints 50 Audio systems 91
Overhead control panel 21 Roll bar and head restraints, rear 51 Telephone 94
Backrest 53 Navigation system 99
OperationMulticontour seat 54 Trip computer 100
Vehicle keys 24 Heated seats 55 Malfunction message memory 102
Start lock-out 27 Seat belts and integrated restraint system 57 Individual settings 104
General notes on the central
locking system 27Seat belts 57 Setting the audio volume 106
Central locking system 28 Seat belt nonusage warning system 58 Flexible service system (FSS) 107
Radio frequency and infrared
remote control 28BabySmart™ airbag deactivation system 63 Engine oil level indicator 110
Locking and unlocking 30 Supplemental restraint system (SRS) 64 Engine oil consumption 111
Choosing global or selective mode
on remote control 31Emergency tensioning retractor (ETR) 64 Exterior lamp switch 112
Opening the trunk 31 Airbags 65 Night security illumination 113
Opening and closing windows
from outside 32Safety guidelines for the seat belt,
emergency tensioning retractor and airbag 70Headlamp cleaning system 114
Panic button 33 Infant and child restraint systems 71 Combination switch 115
Mechanical keys 33 Adjusting telescoping steering column 74 Hazard warning flasher switch 117
Doors 34 Inside rear view mirror 75 Automatic climate control 118
3
Page 4 of 323

Operation Audio and telephone 125 The first 1 000 miles (1 500 km) 171 Travelling abroad 200
Power windows 143 Maintenance 171 Cruise control 201
Interior lighting 146 Catalytic converter 172 Brake assist system (BAS) 204
Entrance lamps, exit lamps in doors 146 Emission control 173 Antilock brake system (ABS) 206
Sun visors 147 Tele Aid 174
Electronic stability program (ESP)
208
Illuminated vanity mirrors 147 Steering lock 180 What you should know at the
Interior 148 Starting and turning off the engine 182 gas station 211
Storage compartments, armrest and
cup holder148 Automatic transmission 183 Check regularly and before a
long trip 213
Glove box 148 Parking brake 192
Ashtray 150 Driving instructions 192
Instrument cluster display
Lighter 151 Drive sensibly – save fuel 192 Malfunction and indicator
lamps in the instrument cluster 216
Cargo tie down rings 152 Drinking and driving 193 On-board diagnostic system
Parcel net in front passenger footwell 152 Pedals 193 Check engine malfunction
indicator lamp 216
Armrest, rear bench 152 Power assistance 193 Supplemental restraint system
(SRS) indicator lamp 218
Telephone, general 153 Brakes 193 Fuel reserve and fuel cap
Cellular telephone 153 Driving off 194 placement warning 218
Garage door opener 154 Parking 195 Electronic stability
program(ESP) — warning lamp 219
Soft top 158 Tires 195
BAS/ESP malfunction indicator
lamp
219
Wind screen 165 Snow chains 198
ABS malfunction indicator lamp
219
Winter driving instructions 198 Telescoping steering column –
indicator lamp220
DrivingDeep water 199 Seat belt warning lamp 220
Control and operation of radio transmitters
170 Passenger compartment 200
4
Page 22 of 323

OperationPower seats, front 45
Front head restraints 50
Vehicle keys 24 Roll bar and head restraints, rear 51
Start lock-out 27 Backrest 53
General notes on the central locking system 27 Multicontour seat 54
Central locking system 28 Heated seats 55
Radio frequency and infrared remote control 28 Seat belts and integrated restraint system 57
Locking and unlocking 30 Seat belts 57
Choosing global or selective mode on remote control 31 Seat belt nonusage warning system 58
Opening the trunk 31 BabySmart™ airbag deactivation system 63
Opening and closing windows from outside 32 Supplemental restraint system (SRS) 64
Panic button 33 Emergency tensioning retractor (ETR) 64
Mechanical keys 33 Airbags 65
Doors 34 Safety guidelines for the seat belt, emergency
tensioning retractor and airbag 70
Central locking switch 36 Infant and child restraint systems 71
Automatic central locking 37 Adjusting telescoping steering column 74
Emergency unlocking in case of accident 38 Inside rear view mirror 75
Trunk 39 Antiglare night position 75
Trunk lid release switch 41 Exterior rear view mirrors 76
Antitheft alarm system 42 Instrument cluster 80
Tow-away alarm 44
22
Page 25 of 323

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 door handles.
Notes:
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.
P80.35-2031-26
The mechanical key (2)
lock can be removed b
y
sliding it out of the remote control.
To d o s o , m o ve(3)
in direction of arrow
( 5). and slide the mechanical key (2) in direction
of arrow
25
Page 26 of 323

Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Electronic reserve key
The electronic reserve key is without remote control
functions, but with removable mechanical key.The electronic reserve key (1) works only in the steering
lock. There are no batteries inside the electronic reserve
ke y.
The mechanical key (2) works only in the driver’s door,
trunk, and storage compartment locks.
To use the mechanical key (2), remove it from its
electronic reserve key (1).
Note:
We recommend that you carry the electronic reserve
key plus mechanical key with you and keep it in a safe
place (e.g. your wallet) so that it is always handy. Never
leave the electronic reserve key in the vehicle.
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.
P80.30-2069-26
26
Page 27 of 323

Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Start lock-out
Important!
Removing the electronic key from the steering lock
activates the start lock-out. The engine cannot be
started.
Inserting the electronic key in the steering lock
deactivates the start lock-out.
Note:
In case the engine cannot be started (vehicle’s battery is
in order), the system is not operational. Contact an
authorized Mercedes-Benz Center or call 1-800-FOR-
MERCedes (in the USA) or 1-800-387-0100 (in Canada).General notes on the central locking system
If the electronic key is inserted in the steering lock, the
vehicle cannot be locked or unlocked with the remote
control.
If the vehicle cannot be locked or unlocked:
•Aim transmitter eye at a receiver of either door
handle. Check the batteries of the electronic main
key, see page 288, or synchronize the remote
control, see page 290.
•Use the mechanical key to unlock the driver’s door.
To start the engine, insert the electronic main key in
the steering lock. There could be a slight delay until
the electronic main key can be turned in the
steering lock.
27
Page 28 of 323

Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Central locking system
Radio frequency and infrared remote control
The electronic main key has an integrated radio
frequency and infrared remote control.
Due to the extended operational range of the remote
control, it could be possible to unintentionally lock or
unlock the vehicle by pressing the transmit button. If
one of the transmit buttons is pressed, the battery check
lamp lights up briefly – indicating that the batteries are
in order. See page 288 for checking batteries.
The vehicle doors, trunk and fuel filler flap can be
centrally locked and unlocked via remote control.
Opening and closing the windows remotely can only be
done with the infrared portion of the remote control.
Aim transmitter eye at a receiver (6 or 7), press and
hold transmit button Œor ‹.
If the electronic key is inserted in steering lock, the
vehicle cannot be locked or unlocked with the remote
control.1Transmit button
‹ Locking
Œ Unlocking
Š Opening trunk (if not separately locked)
2Lamp for battery check (see page 288 for changing
batteries if it does not light up briefly)
3PANIC button
4Transmitter eye
5Locking tab for mechanical key
P80.30-2070-26
28
Page 29 of 323
Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index 6Infrared receiver in driver’s door handle7Infrared receiver in passenger door handle
P80.30-2081-26
6
P80.30-2082-20
7
29