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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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 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.
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