Page 393 of 473

392 Practical hintsLocking/unlocking in an emergencyUnlocking the trunk
A minimum height clearance of 6.2 ft
(1.89 m) is required to open the trunk lid.
1Unlocking in an emergency
2Handle
Insert the mechanical key into the
trunk lid lock until it stops.
Turn the mechanical key counterclock-
wise to position 1.
The trunk is unlocked
Pull handle 2 and lift lid.
Turn the mechanical key back and re-
move it from the trunk lid lock.Unlocking the glove box
Lockable storage areas in the passenger
compartment include:
the glove box
the storage compartment under the
armrest
the rear storage compartments
If these cannot be unlocked by means of
the SmartKey or the SmartKey with
KEYLESS-GO*, use the mechanical key to
unlock the glove box.1Separately unlocking the glove box
Slide mechanical key out of SmartKey
housing (
page 391).
Insert the mechanical key into the
glove box lock and turn it to
position1.
You can now open the glove box.
i
To unlock the remaining storage compart-
ments, the cause for the malfunction of the
SmartKey or the SmartKey with KEYLESS-GO*
must be determined and corrected, see
(
page 104) and (
page 109).
Page 394 of 473

393 Practical hints
Locking/unlocking in an emergency
Locking the vehicle
If you cannot lock the vehicle with the
SmartKey, lock it with the mechanical key
as follows:
Close the passenger door and the
trunk.
Press the central locking switch in the
center console (
page 119).
Check whether the locking knob on the
passenger door has moved down.
If necessary push it down manually.
Remove the mechanical key from of
the SmartKey (
page 391).
Check whether the trunk is locked.
If necessary, lock the trunk with the
mechanical key (
page 117).
Except for the driver’s door, the vehicle
should now be locked.1Locking
2Mechanical key
Insert mechanical key 2 (
page 391)
into the driver’s door lock until it stops.
Turn mechanical key 2 clockwise to
position 1.
The driver’s door is locked.
i
Unlocking the glove box with the mechanical
key will trigger the anti-theft alarm system. To
cancel the alarm, do one of the following:
Press button Œ or ‹ on the
SmartKey.
Insert the SmartKey in the starter switch.
Press the KEYLESS-GO* start/stop button
(page 40).
Grasp an outside door handle (vehicles with
KEYLESS-GO* only).
i
This procedure does not arm the anti-theft
alarm system, nor does it lock the fuel filler flap
and the storage compartments.
The storage compartments can be locked
separately (
page 235).
Page 458 of 473

457 Index
Driving systems 209
ABC 225
Cruise control 209
Distronic* 213
Parktronic* 228
DTR see Distronic*
E
Easy-entry/exit feature 46, 162
Messages in the multifunction
display 375
Electric air pump 389, 410
Electrical outlet see Power outlet
Electro-hydraulic brake system 87, 92
Activation 93
Deactivation 94
Driving hints 95
Messages in the multifunction
display 367, 368
Self-check 94
Warning lamp 92
Electronic Stability Program see ESP
®
Emergency calls
Tele Aid 244, 245
Emergency engine shut-down 426
Emergency operation (Limp-Home
Mode) 179Emergency operations
Automatic transmission (Limp-Home
Mode) 179
Glove box, Unlocking 392
Load assist, Lowering 394
Locking/unlocking the vehicle 391,
393
Remote door unlock, Tele Aid 250
Trunk lid, Releasing from the
inside 117
Trunk lid, Unlocking 392
Emergency Tensioning Device see ETD
Emission control 269
Information label 431
System warranties 10
Vacuum line routing diagram
label 431
Engine
Block heater (Canada only) 317
Break-in recommendations 258
Cleaning 324
Compartment 274
Malfunction indicator lamp 29, 336
Number 431
Poly-V-belt layout 432
Starting 52Tachometer 29
Technical data 433
Turning off 62
Engine coolant see Coolant
Engine oil 275, 446
Adding 278, 444
Additives 446
Checking level, With control
system 276
Checking level, With oil dipstick 278
Consumption 275
Filler neck 278, 279
Messages in the multifunction
display 277, 375
Oil dipstick 278
ESP
®
87, 89
Switch 32
Switching off 91
Switching on 92
Synchronizing 355
Warning lamp 27, 332
ETD 81
Safety guidelines 70
Warning and indictor lamps 342
Exterior lamp switch 128
Exterior rear view mirrors 48, 180
Page 467 of 473

466 Index
Loss of 110
Messages in display 379
Reprogramming 109
Selective setting 109
Unlocking 106
Snow chains 318
Spare fuses 424
Spare fuses see Vehicle tool kit
Spare tire see Spare wheel 405
Spare wheel 388, 389, 405, 440
Collapsible tire 410, 440
Inflating collapsible tire 410
Tire inflation pressure 410
Speed settings
Cruise control 212
Speedometer 27
Setting units 156
Sporty driving style 228
SRS
Indicator lamp 342
Messages in the multifunction
display 361
Standing lamps 128, 398
Standing water
Driving instructions 267
Starter battery 281, 414Starter switch 25, 40
Starter switch positions 39
Starting difficulties 53
Starting position 40
Starting the engine
With the SmartKey 52
With the SmartKey with
KEYLESS-GO* 53
Steering column
In/out adjustment 46
Length adjustment 46
Up/down adjustment 46
Steering wheel
Adjusting 45
Buttons 30
Cleaning 328
Heating* 240
Height adjustment 46
Steering wheel adjustment lever 25
Steering wheel gearshift control* 175
Stopping
Windows 198
Storage compartment
Center console 234Storage compartments 233
Armrest 234
Cup holder 238
Glove box 233
In door 233
Locking compartments
separately 235
Locking storage compartments 235
Parcel net 236
Rear 235
Seats 234
Storage tray 234
Unlocking compartments
separately 236
Unlocking storage
compartments 236, 392
Ventilated glove box 195
Storing tires 285
Submenus 143
Convenience 162
Instrument cluster 156, 157
Lighting 159
Selecting 154
Settings menus 154
Time 157
Vehicle 162