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
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Page 5 of 323

Malfunction and indicator lamps in the
center console 221Practical hintsJump starting 263
AIRBAG OFF indicator lamp 221 First aid kit 238 Towing the vehicle 265
Roll bar warning lamp 221 Shelf below rear window 238 Transmission selector lever,
manually unlocking 268
Malfunction and warning messages in
the multifunction display 222Stowing things in the vehicle 238 Bulbs 269
DISPLAY DEFECTIVE (engine
control unit) 223Luggage cover 238 Adjusting headlamp aim 274
DISPLAY DEFECTIVE (several
systems) 223Spare wheel, vehicle tools, storage
compartment 240Changing batteries in the
electronic main key 277
BATTERY/ALTERNATOR 224 Vehicle jack 241 Raising soft top manually 280
ABS-SYSTEM 225 Fuses 242 Antenna 287
BRAKE ASSIST 225 Hood 244 Manual release for fuel filler
BRAKE LINING WEAR 226 Checking engine oil level 246 flap 287
BRAKE FLUID 226 Automatic transmission fluid level 247 Trunk lamp 288
PARKING BRAKE 227 Coolant level 247 Replacing wiper blade insert 288
ENGINE FAN 227 Adding coolant 248
COOLANT (coolant level) 228
Windshield washer / headlamp clean.system
249
Vehicle care
COOLANT TEMP. (coolant
temperature) 229Windshield and headlamp washer fluid
mixing ratio 249Cleaning and care of the vehicle 292
LIGHTING SYSTEM 230 Wheels 250 Engine cleaning 293
LIGHT SENSOR 231 Tire replacement 250 Vehicle washing 293
STEER. WHEEL ADJUST. 231 Rotating wheels 251 Power washer 293
OIL TEMP. 232 Spare wheel 252 Plastic and rubber parts 293
ENGINE OIL LEVEL 232 Changing wheels 254 Tar stains 294
ELEC. STABIL. PROG. (Electronic
stability program) 234Tire inflation pressure 259 Window cleaning 294
WASHER FLUID 235 Battery 261
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Page 13 of 323
IntroductionWhere to find it
The Operator’s Manual is divided into eight sections:
• Instruments and controls: An overview of all the controls that can be operated from the driver’s seat.
• Operation: Information on the vehicle’s equipment and its operation.
•Driving: Important information on driving.
• Instrument cluster display: Displays and indicator lamps on the instrument cluster with brief instructions.
• Practical hints: Assistance and instructions in the event of an emergency.
•Car care: Instructions on caring for your vehicle.
• Technical data: All the important technical data for your vehicle as well as consumer information such as fuels,
coolants, lubricants etc. is contained here.
•Index: Key terms to help you find a topic quickly.
Other documents may also be supplied, depending on your vehicle’s equipment.
Explanation of color used:
Warning notices for the protection of yourself and
others appear on red background.
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Page 19 of 323

Instruments and controls
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index For more detailed descriptions see Index on page315.
For adjustment of air outlets, refer to automatic climate
control, see page118.
1Side air outlet, adjustable
2Air volume control for side air outlet
3Exterior lamp switch, see page112
4Parking brake release, see page192
5Parking brake pedal, see page192
6Hood lock release, see page244
7Combination switch, see page115
8Cruise control switch, see page201
9Multifunction steering wheel, see page86
Horn (with electronic key in steering lock
position 1 or 2)
10Instrument cluster, see page80
11Voice recognition system switch, see separate
operating instructions
12Steering lock with ignition/starter
switch, see page18013Center air outlets, adjustable
14Air volume control for center air outlets
15Left front seat heater switch, see page55
16Headlamp washer switch, see page114
17Roll bar switch, see page52
Roll bar warning lamp
18Hazard warning flasher switch, see page117
19Central locking switch, see page 36
20Switch for tow-away alarm, see page 44
Indicator lamp for antitheft alarm system, see
page 42
21Right front seat heater switch, see page55
22Automatic climate control, see page118
Rear window defroster switch
23Glove box (illuminated with electronic key in
steering lock position 1 or 2), see page148
24Audio system,
25Storage compartment
26Ashtray with lighter, see page150
19
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
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Page 24 of 323
Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Ve h i c l e k ey s
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 it.
•1 electronic reserve key without remote control
functions, plus removable mechanical key.
Wa r n i n g !
When leaving the vehicle always remove the
electronic key from the steering lock, 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.
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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
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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