
Resume function ............................ 183
Setting current speed  ....................181
Cup holders  ........................................ 207
Curb weight  ....................................... 250
Customer Assistance Center (CAC)  ... 23
Customer Relations Department  ....... 23
D
Dashboard see Instrument cluster                              
Data recording  ..................................... 23
Date, Setting  ...................................... 133
Daytime running lamp mode  .............. 91
Switching on or off ......................... 133
Deep water
see Standing water                                   
Defogging (windshield)  ..................... 195
Defroster  
Front (Climate control system)  ......194
Rear window  .................................. 196
Delayed shut-off  
Exterior lamps ................................ 134
Interior lighting  .............................. 135
Department of Transportation
see DOT                                                    
Difficulties  
While driving  .................................. 104
With starting  .................................. 102
Dimensions (vehicle)
see Vehicle specification                          
Direction of rotation (tires)  .............. 242
Displays  
Maintenance service indicator  .......259
Messages in the multifunction
display  ........................................... 270
Multifunction display  .....................120
Symbol messages  ..........................279
Text messages  ............................... 272
Trip computer  ................................ 121
Vehicle status message memory  ...129
Vehicle system settings  .................130
Door control panel  .............................. 33
Door handles  ........................................ 33
Doors  
Child safety locks  ............................ 59
Locking/unlocking (KEYLESS-GO)  ...71
Locking/unlocking (SmartKey)  ........70
Messages in the multifunction
display  ........................................... 286
Opening from inside ......................... 74
Remote door lock (Tele Aid) ........... 216
Remote door unlock (Tele Aid)  .......215
Unlocking (Mechanical key)  ...........309
DOT (Department of
Transportation)  .................................. 250
Drinking and driving  ......................... 254
Driving  
Abroad  ........................................... 257
Hydroplaning  ................................. 257
Instructions  ........................... 101, 254
In winter  ........................................ 253
Problems  ....................................... 104
Safety systems  ................................ 60
Systems  ......................................... 180
Through standing water  .................257
Driving and parking  
Safety notes  .................................. 101
Driving off  .................................. 103, 257
Driving safety systems  ....................... 60
ABS  .................................................. 61
Adaptive Brake  ................................ 62
BAS  .................................................. 61
EBP  .................................................. 62
ESP ®
 ................................................ 62
ETS/4-ETS  ....................................... 63
Driving systems  
All-wheel drive (4MATIC) ................ 183
Cruise control  ................................ 180
Dynamic handling package with
sport driving mode  .........................184
Hill-start assist system  ..................183
Parktronic system  ..........................185
Rear view camera  .......................... 188
Driving tips, automatic
transmission  ...................................... 110
Dynamic handling package with
sport driving mode  ............................ 184
E
E85 (ethanol fuel)  .............................. 355
Easy-entry/exit feature  .............. 85, 136
EBP (Electronic Brake
Proportioning)  ...................................... 62
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Electrical system 
Improper work on or
modifications  ................................... 22
Power outlets ................................. 210
Electrical system (Technical data)
see Vehicle specification                          
Electronic Stability Program
see ESP ®
                                                  
Electronic Traction System
see ETS/4-ETS                                          
Emergency, in case of  
First aid kit ..................................... 268
Flat tire  .......................................... 317
Hazard warning flasher  ....................93
Roadside Assistance ................ 21, 214
Towing the vehicle  .........................325
Emergency calls  
Tele Aid  .......................................... 212
Telephone  ...................................... 173
Emergency operations  
Remote door lock (Tele Aid) ........... 216
Remote door unlock (Tele Aid)  .......215
Trunk lid, emergency release  ...........76
Emergency Tensioning Device
see ETD                                                     
Emission control  ............................... 258
Information label ............................ 333
System warranties  ...........................20
Engine  
Break-in recommendations  ............222
Cleaning ......................................... 262
Compartment  ................................ 224
Malfunction indicator lamp  ............305
Messages in the multifunction
display  ........................................... 288
Number .......................................... 333
Starting  .......................................... 101
Turning off  ..................................... 106
Engine (Technical data)
see Vehicle specification                          
Engine coolant
see Coolant                                               
Engine oil  
Adding  ........................................... 226
Additives  ........................................ 353
Checking level  ............................... 226
Consumption  ................................. 225Messages in the multifunction
display  ........................................... 291
Oil dipstick ..................................... 226
Recommended engine oils and oil
filter  ............................................... 353
ESP ®
 (Electronic Stability
Program)  .............................................. 62
ETS/4-ETS  ....................................... 63
Messages in the multifunction
display  ........................... 280, 281, 283
Warning lamp ................................. 302
ETD (Emergency Tensioning
Device)  ................................................. 52
Safety guidelines  ............................. 39
Ethanol fuel (E85)  .............................. 355
ETS/4-ETS (Electronic Traction
System)  ................................................ 63
Express operation  
Panorama roof  ............................... 200
Power windows  ................................ 98
Tilt/sliding sunroof  ........................196
Exterior lamp switch  ........................... 90
Exterior rear view mirrors  .................. 86
Fold-in function  ................................ 88
Parking position  ............................... 87
Power-folding  ................................... 88
Switching fold-in function on or
off  .................................................. 136
Exterior view of vehicle  ...................... 26
F
Fastening the seat belts  ..................... 50
First aid kit  ......................................... 268
Flat tire  ............................................... 317
Lowering the vehicle  ......................321
Mounting the spare wheel  .............318
Preparing the vehicle  .....................318
Spare wheel ........................... 317, 349
Flexible Fuel Vehicles  ....................... 355
Floormats  ........................................... 220
Fluids  
Automatic transmission fluid  .........350
Brake fluid  ..................................... 351
Capacities  ...................................... 349
Engine coolant  ............................... 351
Engine oil  ....................................... 350
Manual transmission oil  .................350
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Messages in the multifunction
display  ........................................... 286
Opening, trunk  ................................. 75
Opening and closing the power
tilt/sliding sunroof or the
panorama roof  ................................. 99
Opening and closing the windows .... 99
Remote control  ................................ 70
Replacing  ......................................... 74
Replacing batteries  ........................312
Restoring to factory setting  .......71, 73
Selective setting  ........................71, 73
Starter switch positions  ...................77
KEYLESS-GO  
Starter switch positions  ...................78
Kickdown  ........................................... 110
Kickdown (manual shift program)  ... 115
Kilopascal (air pressure unit)  ........... 251
Knee bag  .............................................. 40
L
Labels  
Certification  ................................... 332
Emission control information  .........333
Tire and Loading Information
placard ........................................... 238
Tire inflation pressure  ....................231
Lamps, exterior  
Exterior lamp switch  ........................90
Front  .............................................. 314
Messages in the multifunction
display  ........................................... 292
Rear  ............................................... 314
Switching on/off .............................. 90
Lamps, indicator and warning  
ABS .......................................... 29, 298
Brakes  ..................................... 28, 298
Center console  ................................ 31
Coolant  .................................... 28, 305
Engine malfunction  ..................28, 305
ESP ®
 ........................................ 28, 302
ESP ®
 OFF  ................................ 28, 303
Fog lamps  ........................................ 92
Front fog lamps ................................ 28
Front passenger front air bag off
(Canada only)  .......................... 46, 307
Front passenger front air bag off
(USA only) ................................ 42, 308
Fuel tank reserve  .....................28, 304
High-beam headlamps  ...............28, 93
Instrument cluster  ...................28, 297
Low-beam headlamps  ................28, 91
Low tire pressure/TPMS
malfunction telltale  ..................28, 306
Rear fog lamp  .................................. 28
Seat belt telltale  ................29, 51, 301
SRS .................................... 28, 36, 302
Turn signals  ..................................... 28
LATCH-type child seat anchors (ISOFIX)
see Children in the vehicle                        
License plate lamps  
Messages in the multifunction
display  ........................................... 294
Light alloy wheels, cleaning  ............. 265
Lighter see Cigarette lighter                                 
Lighting  ................................................ 90
Daytime running lamp mode  ............91
Exterior  ............................................ 90
Interior  ............................................. 95
Limp-home mode  .............................. 116
Load index (tires)  ...................... 246, 251
Loading see Vehicle loading                                   
Locator lighting  ................................. 134
Locking the vehicle  
KEYLESS-GO  .................................... 71
Manually  ........................................ 310
SmartKey  ......................................... 70
Loss of  
Key  .................................................. 73
Service and Warranty Information
booklet  .......................................... 332
Low-beam headlamps  ......................... 91
Exterior lamp switch  ........................90
Replacing bulbs  ............................. 314
Switching on  .................................... 91
Lubricants  .......................................... 349
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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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Vehicle equipment
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.
Locking and unlocking
Notes
GObserve Safety notes, see page 54.
When unlocking or locking the vehicle with
the SmartKey an acoustic signal sounds. The
acoustic signal is activated at the factory. If
you wish to deactivate the feature, or adjust
its signal volume, contact an authorized
Mercedes-Benz Center.
When unlocking the vehicle, all turn signal
lamps flash once. An acoustic signal sounds
once, and the locking knobs in the doors
move up. The anti-theft alarm system is
disarmed.
When locking the vehicle, all turn signal lamps
flash three times. An acoustic signal sounds
three times, and the locking knobs in the
doors move down. The anti-theft alarm
system is armed.
All doors and the trunk must be closed.
If you cannot lock or unlock the vehicle with
the SmartKey, the batteries in the SmartKey
are discharged, the SmartKey is
malfunctioning, or the vehicle battery is
drained.
XCheck the batteries in the SmartKey
(Y page 73) and replace them if
necessary.
XUse the mechanical key to unlock the
driver’s door and the trunk (Y page 309).
XUse the mechanical key to lock the vehicle
(Y page 310).
XHave the vehicle battery and the vehicle
battery connections checked at an
authorized Mercedes-Benz Center.
If the SmartKey is malfunctioning, contact
Roadside Assistance or an authorized
Mercedes-Benz Center.
SmartKey
Your vehicle comes supplied with two
SmartKeys, each with remote control and a
removable mechanical key.
The SmartKey centrally locks and unlocks
Rthe doors
Rthe trunk lid
Rthe fuel filler flap
: &Lock button; FUnlock button for trunk lid= %Unlock button
iUSA only:
This device complies with Part 15 of the
FCC Rules. Operation is subject to the
following two conditions:
1. This device may not cause harmful
interference, and
2. this device must accept any
interference received, including
interference that may cause undesired
operation.
70Locking and unlockingControls in detail
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Any unauthorized modification to this
device could void the user’s authority to
operate the equipment.
i Canada only:
This device complies with RSS-210 of
Industry Canada. Operation is subject to
the following two conditions:
1. This device may not cause interference,
and
2. this device must accept any interference received, including
interference that may cause undesired
operation of the device.
Any unauthorized modification to this
device could void the user’s authority to
operate the equipment.
Factory setting XGlobal unlocking:  Press button %.
Unless you open a door or the trunk within
approximately 40 seconds after unlocking
the vehicle:
R The vehicle will be locked again.
R The anti-theft alarm system will be
rearmed.
XGlobal locking:  Press button &.
Selective setting 
If you frequently travel alone, you may wish
to reprogramm the SmartKey. Pressing
button  % will then only unlock the driver’s
door and the fuel filler flap.
XSwitching on/off:  Press and hold buttons
%  and &  simultaneously for
approximately 6 seconds until the battery
check lamp ( Y page 73) flashes twice.
The SmartKey will then function as follows:
XUnlocking driver’s door and fuel filler 
flap:  Press button  % once.XGlobal unlocking:  Press button %
twice.XGlobal locking:  Press button &.
KEYLESS-GO
Vehicles equipped with KEYLESS-GO come
with two SmartKeys with KEYLESS-GO, each
with remote control and a removable
mechanical key.
The KEYLESS-GO function is integrated into
the SmartKey. The validity of the SmartKey is
checked every time you grasp an outside door
handle.
When the SmartKey is valid, your vehicle
unlocks
R the doors
R the trunk lid
R the fuel filler flap
i USA only:
This device complies with Part 15 of the
FCC Rules. Operation is subject to the
following two conditions:
1. This device may not cause harmful interference, and
2. this device must accept any interference received, including
interference that may cause undesired
operation.
Any unauthorized modification to this
device could void the user’s authority to
operate the equipment.
Locking and unlocking71Controls in detail204_AKB; 5; 23, en-USd2ureepe,Version: 2.11.8.12009-07-16T17:54:06+02:00 - Seite 71Z 

A minimum height clearance of 5.9 ft (1.80 m)
is required to open the trunk lid.
Opening the trunk from the outside
XPress and hold button F (Y page 70) on
the SmartKey until the trunk unlocks and
begins to open.
or
XPull on handle :.
In vehicles without KEYLESS-GO: The
vehicle must be unlocked.
If the trunk does not open, it is still locked
separately (Y page 77).
Opening the trunk from the inside
XPress remote trunk opening switch : until
the trunk begins to open.
If the trunk does not open, it is still locked
separately (Y page 77).
Closing the trunkGWarning!
Make sure the trunk is closed when the engine
is running and while driving. Among other
dangers, deadly carbon monoxide (CO) gases
may enter vehicle interior resulting in
unconsciousness and death.
GWarning!
To prevent possible personal injury, always
keep hands and fingers away from the trunk
opening when closing the trunk lid. Be
especially careful when small children are
around.
GObserve Safety notes, see page 54.
Do not leave the SmartKey in the open trunk.
You may lock yourself out.
If the vehicle was previously locked centrally
with the SmartKey or KEYLESS-GO, the trunk
lid will lock automatically when closed. All
turn signal lamps flash three times and an
acoustic signal sounds three times to confirm
locking.
XLower the trunk lid using handle : or ;.XClose trunk lid with hands placed flat on
trunk lid.
Trunk lid emergency release
The trunk lid can be opened from inside the
trunk with the emergency release button.
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XSwitch on the ignition.XOpening/closing: Press or pull and hold
switch  : to  ? to the resistance point.
The corresponding door window moves
downward or upward until you release the
switch.XExpress operation:  Press or pull
switch  : to  ? past the resistance point
and release.
The corresponding door window opens or
closes completely.XStopping during express operation:
Press or pull the respective switch again.
Closing when a door window is blocked
GWarning!
Make sure that nobody can become trapped
and be seriously or even fatally injured when
closing a door window with greater force or
without automatic reversal function.
If the upward movement of a door window is
blocked during the closing procedure, the
door window will stop and open slightly.
XImmediately after the door window has
stopped because it was blocked, pull and
hold the respective switch upward until the
door window is fully closed.
The door window closes with greater force.
If the door window is blocked again and opens
slightly:
XImmediately after the door window was
blocked, pull and hold the respective
switch upward until the door window is fully
closed.
The door window closes without automatic
reversal function.GWarning!
Pulling and holding the switch to close the
door window immediately after it had been
blocked two times will cause the door window
to close without any reversal function for as
long as you hold the switch.
Synchronizing door windows
The door windows must be synchronized if
they cannot be fully closed (express
operation).
Each door window must be synchronized
separately.XClose all doors.XSwitch on the ignition.XPull and hold switch  :, ; , =  or  ?
( Y  page 98) until the respective door
window is closed.
The door window opens again slightly.XPull and hold the respective switch once
more immediately until the door window is
closed completely.XHold the respective switch for
approximately 1 second.
The door window is synchronized.
Summer opening feature
When the weather is warm, you can ventilate
the vehicle before driving off by
simultaneously
R opening the door windows
R opening the tilt/sliding sunroof
R opening the panorama roof with power tilt/
sliding panel and roller sunblinds
The summer opening feature can only be
activated via the remote control of the
SmartKey. The SmartKey must be in close
proximity to the driver’s outside door handle.
XAim the transmitter eye of the SmartKey at
the driver’s outside door handle.
Vehicles with tilt/sliding sunroof
XPress and hold button  % on the
SmartKey until the door windows and thePower windows99Controls in detail204_AKB; 5; 23, en-USd2ureepe,Version: 2.11.8.12009-07-16T17:54:06+02:00 - Seite 99Z