2007 MERCEDES-BENZ R320CDI Unlocking

478 Practical hints
Unlocking / locking in an emergency
Unlocking the vehicle
If you cannot unlock the vehicle with the
SmartKey or KEYLESS-GO*, open the
driver’s door using the mechanical key.Removing the mechanical key
1Mechanical key locking tab
2Mechanical key
Move locking tab1 in direction of
arrow.
Slide mechanical key2 out of the
housing.Unlocking the driver’s door
1Unlocking
2Mechanical key
Insert mechanical key 2 into the
driver’s door lock until it stops.
Turn mechanical key 2 counterclock-
wise to position1 and hold it there.
Pull the door handle until the locking
knob moves up.
The driver’s door is unlocked.
Pull the door handle once more to open
the driver’s door.
iUnlocking the driver’s door with the
mechanical key will trigger the anti-theft
alarm system.
To cancel the alarm:

Press buttonŒ or‹on the
SmartKey.

Insert the SmartKey in the starter switch.
Vehicles with KEYLESS-GO*:

Grasp an outside door handle.
The SmartKey with KEYLESS-GO must be
within 3 ft (1 m) of the vehicle.

Press the KEYLESS-GO start / stop button
(
page 41).
The SmartKey with KEYLESS-GO must be
inside the vehicle.

479 Practical hints
Unlocking / locking in an emergency
Locking the vehicle
If you cannot lock the vehicle with the
SmartKey or KEYLESS-GO*, lock the
vehicle carrying out the following steps.
Close the front passenger door, the
rear right door and the tailgate.
Open the driver’s door and the rear left
door.
Press the central locking switch on the
driver’s door (
page 130).
The locking knobs of the front passen-
ger door and the rear doors move
down.
If the vehicle battery is disconnected or
drained:
Press down the locking knobs of
the front passenger door and the
rear doors manually.
Exit the vehicle.
Close the driver’s door.
Enter the vehicle through the rear left
door.
Press down the locking knob of the
driver’s door.
Exit the vehicle.
Close the rear left door.
The vehicle is locked.
Fuel filler flap
Open the tailgate (page 123).
The fuel filler flap release is located behind
a cover in the right side trim panel of the
cargo compartment.
1Lock
2Cover
!To prevent inadvertent lockout, make sure
to have the SmartKey or SmartKey with
KEYLESS-GO* with you before proceeding with
the next step. The next step will lock the vehicle.
iThis procedure does not arm the anti-theft
alarm system, nor does it lock the fuel filler flap.


480 Practical hints
Unlocking / locking in an emergency
Insert a suitable object such as a coin
into the slot of lock1.
Turn lock1 counterclockwise by 90°
in direction of arrow.
Remove cover2.
3Fuel filler flap release
Pull red fuel filler flap release 3 in
direction of arrow.
The fuel filler flap is unlocked.
Open the fuel filler flap (page 360).
iThe fuel filler flap release may differ,
depending on production date. If your vehicle is
not equipped with the fuel filler flap release as
illustrated, pulling a red fabric cord instead
unlocks the fuel filler flap.


549 Index
Beverage holder see Cup holder
Bleeding the fuel system
(diesel engine) 505
Bolts, Spare wheel 500
Bottle opener 317
Brake Assist System see BAS
Brake fluid 541
Checking 362
Messages in the multifunction
display 454
Brake lamp
Cleaning lenses 413
Messages in the multifunction
display 463–468
Replacing bulbs 484
Brake pads 348
Messages in the multifunction
display 452
Brakes 348
High-performance brake system
(AMG vehicles only) 350
Warning lamp 421
Break-in the vehicle 346
Bulbs, replacing see Replacing bulbsC
California retail buyers and lessees,
Important notice for 11
Call priority, Tele Aid* 336
Can holder see Cup holder
Capacities and recommended
fuel/lubricants 538
Card holder 32, 317
Cargo compartment
Tie-down rings 299
Cargo compartment cover blind* 306
Cargo tie-down rings 299
Carpets, Cleaning 417
Catalytic converter
(gasoline engine) 357
CD changer* 172, 311
CD player 172
Center console 31
Central locking 189
Automatic 130
Locking/unlocking from the
inside 130
Central locking switch 130Certification label 526, 527
CHECK ENGINE malfunction
indicator lamp 423, 424
Checking tire pressure electronically
Advanced Tire Pressure Monitoring
System (Advanced TPMS)*,
(Canada only) 388
Tire Pressure Monitoring System
(TPMS), (USA only) 385
Child safety
Infant and child restraint systems 85
Children in the vehicle 84
Air bags 75, 86
Blocking rear door window
operation 97
Indicator lamp, Front passenger front
air bag 92
Infant and child restraint
systems 93, 95
LATCH-type child seat anchors 93
Occupant Classification System
(OCS) 88
Cigarette lighter* 321

551 Index
D
Date display, Setting 181
Daytime running lamp mode 148
Setting 183
Deep water see Standing water
Defogging windshield 225, 240
Defrosting, Front 224, 239
Defrosting, Rear 217
Delayed shut-off
Exterior lamps 185
Interior lighting 186
Department of Transportation see DOT
Diesel engine
Bleeding fuel system 505
Preglow indicator lamp 29
Diesel fuel see Fuel
Difficulties
While driving 63
With starting 57
Digital speedometer 159, 167
Dimensions, Vehicle 536
Direction of rotation (tires) 375Displays
Digital speedometer 159, 167
Distronic* 174, 274
Maintenance service indicator
message 407
Messages in the multifunction
display 433–471
Multifunction display 159
Outside temperature 158, 159, 167
Selecting 180
Showing malfunctions 175
Symbol messages 451
Text messages 435
Vehicle status message memory 174
Vehicle system settings,
Control system 163, 165, 176
Distance to empty (range), Trip
computer 191
Distance warning function* 191Distronic* 271
Activating 277
Cleaning system sensor 414
Control system 276
Deactivating 280
Distance warning function* 284
Driving hints 282
Messages in the multifunction
display 437
Warning and indicator lamps 274
Door
Entry lamps 155
Locking, In an emergency 479
Locking/unlocking,
KEYLESS-GO* 116
Locking/unlocking, SmartKey 112
Messages in the multifunction
display 460
Opening from the inside 122
Opening from the outside 113
Remote door unlock (Tele Aid*) 336
Unlocking, Mechanical key 478

552 Index
Door control panel 36
Door handle 36
Door windows see Power windows
DOT 396, 401
Drinking and driving 347
Driving 51
Abroad 356
Hydroplaning 352
In winter 354, 405
Instructions 51, 347
Problems 63
Safety systems 100
Systems 266
Through standing water 355
With Distronic* 282
Driving off 58
Driving safety systems
4-ETS 106
ABS 100
BAS 102
EBP 105
ESP
®102Driving systems 266
AIRMATIC* 285
Cruise control 266
Distronic* 271
Parktronic* 291
Rear view camera* 295
Driving tips 203
Kickdown 203
E
Easy-entry/exit feature* 132
Control system 190
EBP 105
Indicator and warning lamps 422
Electric air pump 502
Electrical fuses see Fuses
Electrical system, Technical data 535
Electronic Brake Proportioning see EBP
Electronic Stability Program see ESP
®
Electronic Traction System see 4-ETS
Emergency calls
Tele Aid* 331Emergency, In case of
Battery, Jump starting 514
First aid kit 472
Flat tire 497
Fuses 520
Hazard warning flasher 152
Instrument cluster,
Indicator lamps 420–428
Roadside Assistance 12, 333
Towing the vehicle 517
Emergency operation
Locking/unlocking the vehicle 478
Power tilt/sliding sunroof,
Manual operation* 481
Remote door unlock, Tele Aid* 336
Tailgate, Opening from the
inside 123
Emergency operation
(Limp-Home Mode) 211
Emergency tensioning device see ETD

554 Index
Fog lamp, Front see Corner-illuminating
front fog lamps*
Fog lamp, Rear 150
Messages in the multifunction
display 466
Replacing bulbs 484
4-ETS 106
Front air bags 77
Front defroster 224, 239
Front lamps see Headlamps
Front passenger front
air bag 77, 88, 93, 431
Front passenger front air bag off
indicator lamp 31, 77, 88, 93, 431
Front seat head restraints see
Head restraints
Front towing eye 518
FSS PLUS (Canada vehicles) 407
Fuel 360, 539, 541
Additives 542
Capacities, Fuel tank 539Consumption statistics 191
Filling the tank 360
Fuel filler flap and cap 360
Fuel gauge 29
Fuel reserve warning lamp 29, 430
Premium unleaded gasoline 360,
541, 542
Requirements, Octane rating 542
Fuel cap
Messages in the multifunction
display 460
Fuel filler flap 360
Locking/unlocking 360
Opening 360
Opening in an emergency 479
Fuels, coolants, lubricants etc. 538
Fuses 520
Fuse box, Cargo compartment 521
Fuse box, Engine compartment 521
Fuse box, Passenger
compartment 522
Fuse chart 472, 520
Fuse extractor 472, 520
Replacing 520
Spare fuses 472, 520G
Garage door opener* 337
Gasoline see Fuel
GAWR 401
Gear range
Automatic transmission 205
Limiting 205
Shifting into optimal 208
Gear selector lever 25, 54, 197
Gearshift pattern 54, 197
Message in the display 443
Messages in the multifunction
display 443
Position 200
Shifting procedure 200
Transmission position 201
Global locking/unlocking see
Key, SmartKey
Glove box 311
Good visibility 212

556 Index
I
Identification label see Labels
Identification labels
Certification label 527
Ignition 40, 54, 67
Immobilizer 107
Indicator lamps see Lamps, Indicator and
warning
Infant and child restraint systems see
Children in the vehicle
Inflation pressure see Tires, Inflation
pressure
Information button see Tele Aid*
Infrared reflecting windshield* 344
Inside door handle 122
Instrument cluster 26, 156
Illumination brightness 157
Lamps 420
Messages in the multifunction
display 433–471
Multifunction display 159
Selecting language 179Instrument lighting see Instrument cluster,
Illumination brightness
Instrument panel see Instrument cluster
Instruments and controls see Cockpit
Interior lighting 153
Delayed switch-off 186
Interior rear view mirror 48
Antiglare position 212
Auto-dimming* 213
Interior storage spaces see Storage com-
partments
Intermittent wiping
Windshield wipers 61
J
Jack 472, 474
Jacking up the vehicle 498
Jump starting 514K
Key, Mechanical 478
Key, SmartKey 112
Batteries 115, 483
Battery check lamp 112
Checking battery condition 115
Closing the power windows
Convenience closing feature) 256
Closing the tilt/sliding panel*
(Convenience closing feature) 256
Closing the tilt/sliding sunroof*
(Convenience closing feature) 256
Closing, Power tailgate* 127
Factory settings 113
Locking/unlocking 38, 68, 112
Locking/unlocking, Global
setting 114
Loss of 115
Messages in the multifunction
display 461–462
Opening the power windows
(Summer opening feature) 254
Opening the tilt/sliding panel*
(Summer opening feature) 254
Opening the tilt/sliding sunroof*
(Summer opening feature) 254