
Power assistance .............................. 255
Power outlets  .................................... 210
Power seats see Seats                                                  
Power steering  
Messages in the multifunction
display  ........................................... 288
Power tilt/sliding sunroof  
Operation ....................................... 196
Synchronizing  ................................ 199
Power washer  .................................... 261
Power windows  ................................... 98
Cleaning ......................................... 264
Operation  ......................................... 98
Rear door window, override
switch  .............................................. 59
Synchronizing  .................................. 99
Practical hints  ................................... 268
Problems  
While driving  .................................. 104
With vehicle  ..................................... 23
With wipers  ...................................... 97
Product information  ............................ 20
Production options weight  ............... 251
Program mode selector switch  
Automatic shift program  ................111
Manual shift program  ............113, 114
Proximity key
see Key, SmartKey                                    
PSI (air pressure unit)  ....................... 251
R
RACETIMER  ........................................ 124
Radio  .................................................. 148
Satellite radio  ................................ 152
Selecting stations  ..........................126
Radio transmitters  ............................ 258
Rain sensor see Intermittent wiping                             
Rear axle oil  ....................................... 351
Rear center console ashtray see Ashtrays                                             
Rear doors  
Child safety locks  ............................ 59
Rear door window  
Override switch  ................................ 59
Rear fog lamp
see Fog lamps                                           
Rear lamps
see Tail lamps                                           
Rear seat head restraints
see Head restraints                                   
Rear view camera  .............................. 188
Cleaning the camera lens  ..............263
Rear window defroster  ..................... 196
Recommended tire inflation
pressure  ..................................... 230, 251
Refrigerant, air conditioning  ............ 354
Refueling  ............................................ 222
Regular checks  .................................. 224
Reminder, Seat belt see Seat belts, Telltale                              
Remote control
see Key, SmartKey                                    
Remote door lock (Tele Aid)  ............. 216
Remote door unlock (Tele Aid)  ......... 215
Replacing  
Key  .................................................. 74
Replacing bulbs  ................................. 313
Reporting safety defects  .................... 23
Research Octane Number see RON                                                    
Reserve fuel  
Messages in the multifunction
display  ........................................... 291
Warning lamp ................................. 304
Restraint systems
see Occupant safety                                 
Retaining hooks  ................................. 203
Rims  ........................................... 251, 344
Roadside Assistance  ................... 21, 214
Roller sunblinds  ................................. 199
RON (Research Octane Number)  ..... 354
Roof rack  ............................................ 203
Rubber parts, cleaning  ...................... 265
S
Safety  
Driving safety systems  .....................60
Occupant safety ............................... 36
Reporting defects  ............................ 23
Safety belts
see Seat belts                                           
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Washer fluid ................................... 358
Wipers  ............................................. 96
Windshield wipers  
Replacing wiper blades  ..................316
Winter driving  
Instructions .................................... 253
Snow chains  .................................. 253
Tires ............................................... 252
Winter tires  ................................ 252, 344
Wood trims, cleaning  ........................ 266Index19204_AKB; 5; 23, en-USd2ureepe,Version: 2.11.8.12009-07-16T17:54:06+02:00 - Seite 19 

Exterior view
iThis Operator’s Manual describes all features, standard or optional, potentially available
for your vehicle at the time of purchase. Please be aware that your vehicle might not be
equipped with all features described in this manual.
FunctionPage:Trunk:Locking and unlocking70,
309
Opening and closing75Valet locking77;Rear lamps314=Rear window defroster196?Fuel filler flap222AExterior rear view mirrors86BPower tilt/sliding sunroof196Panorama roof with power
tilt/sliding panel199
CWindshield:Wiping with washer fluid97Cleaning264FunctionPageDDoors:Locking and unlocking70,
309
EWipers96Wiper blades, replacing316Wiper blades, cleaning264FHood224GFront lamps314HHeadlamp cleaning system93IFront towing eye326JTires and wheels229Rims and tires344KRear towing eye32626Exterior viewAt a glance
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CockpitFunctionPage:Steering wheel gearshift
control112
;Cruise control lever180=Instrument cluster116?Multifunction steering
wheel118
AHorn BFront Parktronic warning
indicators, Canada only186
COverhead control panel32DGlove box205EGlove box lock206FCenter console31GStarter switch77KEYLESS-GO start/stop
button78
FunctionPageHSteering wheel release
handle (manual)85
ISteering wheel adjustment
stalk (electrical)85
JCombination switch:Turn signals93Wipers96High beam93KParking brake pedal105LParking brake release105MOn-board diagnostics
(OBD) socket
NHood lock release224OExterior lamp switch90PDoor control panel and seat
adjustment/memory33
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Vehicle equipment ..............................70
Locking and unlocking .......................70
Starter switch positions .....................77
Seats ....................................................79
Multifunction steering wheel .............84
Mirrors .................................................86
Memory function .................................89
Lighting ................................................90
Wipers ..................................................96
Power windows ...................................98
Driving and parking ..........................101
Manual transmission ........................107
Automatic transmission ...................108
Transfer case ....................................116
Instrument cluster ............................116
Control system ..................................118
Audio system ....................................136
Driving systems ................................180
Climate control system ....................189
Rear window defroster .....................196
Power tilt/sliding sunroof ...............196
Panorama roof with power tilt/
sliding panel ......................................199
Loading and storing ..........................202
Useful features .................................207
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XBriefly press emergency release
button :.
The emergency release button unlocks and
opens the trunk while the vehicle is standing
still or in motion.
Illumination of the emergency release button:
RThe button flashes for 30 minutes after
opening the trunk.
RThe button flashes for 60 minutes after
closing the trunk.
The emergency release button does not open
the trunk, if the vehicle battery is discharged
or disconnected.
Valet locking
You can lock the trunk separately with the
mechanical key. This denies unauthorized
access to the trunk, e.g. when you valet park
the vehicle.
XLeave only the SmartKey less its
mechanical key with the vehicle.
XValet locking: Close the trunk.XRemove the mechanical key from the
SmartKey (Y page 309).
XInsert the mechanical key in the trunk lid
lock.
XTurn the mechanical key clockwise to
position 2 and remove the mechanical
key in that position to lock the trunk.
The trunk remains locked even when the
vehicle is centrally unlocked.
You can then only open the trunk with the
mechanical key.
XCanceling: Insert the mechanical key in
the trunk lid lock.
XTurn the mechanical key counterclockwise
to neutral position 1 and remove the
mechanical key in that position to unlock
the trunk.
You can now open the trunk.
Starter switch positions
SmartKey
GObserve Safety notes, see page 54.
Starter switch
gFor removing SmartKeyVehicles with automatic transmission:
Gear selector lever must be in park
position P.
1Power supply for some electrical
consumers, e.g. wipers
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XInsert the KEYLESS-GO start/stop button
into the starter switch (if not inserted
already).
iAllow for 2 seconds until the system has
detected the KEYLESS-GO start/stop
button.
XVehicles with manual transmission: Shift
the manual transmission into the neutral
position (no gear selected).
or
XVehicles with automatic transmission: Shift
the automatic transmission into neutral
position N.
XDo not depress the brake pedal.
KEYLESS-GO start/stop button
=USA only?Canada only
Position 0
Before you press the KEYLESS-GO start/stop
button, the vehicle’s on-board electronics
have status 0 (as with SmartKey removed).
Position 1
XPress the KEYLESS-GO start/stop button
once.
This supplies power for some electrical
consumers, e.g. wipers.
iWhen you now open the driver’s door, the
power supply is switched off.
Ignition (or position 2) XPress the KEYLESS-GO start/stop button
twice.
This supplies power for all electrical
consumers.
When you switch on the ignition, all lamps
in the instrument cluster come on. The low-
beam headlamp indicator lamp, high-beam
headlamp indicator lamp, turn signal
indicator lamps, and the indicator lamps for
the fog lamps will only come on if activated.
If a lamp in the instrument cluster fails to
come on when the ignition is switched on,
have it checked and replaced if necessary.
If a lamp in the instrument cluster remains
on after starting the engine or comes on
while driving, refer to “Lamps in instrument
cluster” (Y page 297).
iWhen you now press the KEYLESS-GO
start/stop button once and the driver’s
door is open, the power supply is switched
off.
Seats
Safety notes
GWarning!
In order to avoid possible loss of vehicle
control the following must be done before the
vehicle is put into motion:
Rseat adjustment
Rhead restraint adjustment
Rsteering wheel adjustment
Rrear view mirror adjustment
Rfastening of seat belts
GWarning!
Do not adjust the driver’s seat while driving.
Adjusting the seat while driving could cause
the driver to lose control of the vehicle.
Never ride in a moving vehicle with the seat
backrest in an excessively reclined position as
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and
R the windshield wipers have wiped the
windshield with washer fluid for the first
time
The headlamps are cleaned every tenth time
the windshield is washed with washer fluid.
The counter resets when you switch off the
ignition.
For information on filling up the washer
reservoir, see “Washer system and headlamp
cleaning system” ( Y page 228).
Corner-illuminating front fog lamps
The corner-illuminating front fog lamps
improve illumination of the area in the
direction into which you are turning.
The corner-illuminating front fog lamps will
only operate
R in low ambient lighting conditions
R at vehicle speeds below 25 mph
(40 km/h)
R with the front fog lamps switched off
R when the engine is running
Switching on
XTurn the exterior lamp switch to position
L  or c .
or
XActivate the daytime running lamp mode
( Y  page 91).XSwitch on the left or right turn signal,
depending on whether you are turning left
or right.
The respective front fog lamp comes on. If
you have switched on the turn signal for
one side but turn the steering wheel in the
other direction, the corner-illuminatingfront fog lamp on the side of the turn signal
comes on.
or
XTurn the steering wheel in the desired
direction.
Driving forward: The front fog lamp on the
side of your steering direction comes on.
Driving in reverse: The front fog lamp
opposite to your steering direction comes
on.
The corner-illuminating front fog lamps will
come on automatically depending on the
steering angle, even if you did not switch on
either turn signal. If the corner-illuminating
front fog lamps came on automatically, they
will also go out automatically depending on
the steering angle and vehicle speed.
The corner-illuminating front fog lamps
temporarily come on on both sides of the
vehicle if you turn the steering wheel in one
direction and then again in the other direction
shortly thereafter.
The corner-illuminating front fog lamp
remains lit for a short time only. It then goes
out automatically.
Switching off
XSwitch off the left or right turn signal.
or
XSteer straight ahead.
i There may be a brief delay before the
corner-illuminating front fog lamps go out.
94LightingControls in detail
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