
Symbols
Trademarks:
R BabySmart TM
 is a trademark of Siemens
Automotive Corp.
R Bluetooth ®
 is a registered trademark of
Bluetooth SIG Inc.
R ESP ®
 is a registered trademark of Daimler.
R HomeLink ®
 is a registered trademark of
Prince, a Johnson Controls Company.
R Logic  7 ®
 is a registered trademark of
Harman International Industries,
Incorporated.
R Microsoft ®
 is a registered trademark of
Microsoft Corporation in the U.S.A. and
other countries.
R SIRIUS and related marks are trademarks
of SIRIUS XM Radio Inc.
R Windows media ®
 is a registered trademark
of Microsoft Corporation in the U.S.A. and
other countries.
The following symbols are found in this
Operator’s Manual:GWarning!
Warning notices draw your attention to
hazards that may endanger your health or life,
or the health or life of others.
!  Highlights hazards that may result in
damage to your vehicle.
i Helpful hints or further information you
may find useful.
XThis symbol points to instructions
for you to follow.XA number of these symbols
appearing in succession indicates
a multiple-step procedure.Y  pageThis symbol tells you where to look
for further information on a topic.YYThis continuation symbol marks a
warning or procedure which is
continued on the next page.DisplayText in displays, such as the control
system, are printed in the type
shown here.X204_AKB; 3; 23, en-USd2ureepe,Version: 2.11.8.12009-07-16T19:16:58+02:00 - Seite 2 

Our company and staff congratulate you on
the purchase of your new Mercedes-Benz.
Your selection of our product is a
demonstration of your trust in our company
name. Furthermore, it exemplifies your desire
to own an automobile that will be as easy as
possible to operate and will provide years of
service.
Your Mercedes-Benz represents the efforts of
many skilled engineers and craftsmen. To
help assure your driving pleasure, and also
the safety of you and your passengers, we ask
you to make a small investment of time:
R Please read this manual carefully, then
return it to your vehicle where it will be
handy for your reference.
R Please follow the recommendations
contained in this manual. They are
designed to acquaint you with the
operation of your Mercedes-Benz.
R Please pay attention to the warnings and
cautions contained in this manual. They are
designed to help improve the safety of the
vehicle operator and occupants.
We extend our best wishes for many miles of
safe, pleasurable driving.
Mercedes-Benz USA, LLC
A Daimler Company2045841081  É2045841081FËÍ
 X204_AKB; 3; 23, en-USd2ureepe,Version: 2.11.8.12009-07-16T19:16:58+02:00 - Seite 1 

Automatic interior lighting control .... 92
Automatic locking when driving  ...... 124
Automatic shift program  .................. 106
Automatic transmission  ................... 103
Automatic shift program  ................106
Gear range indicator  ......................106
Gear ranges  ................................... 106
Gear selector lever  ........................103
Hill-start assist system  ..................171
Kickdown  ....................................... 105
One-touch gearshifting  ..................107
Program mode indicator  ................107
Program mode selector switch
(automatic shift program)  ..............106
Shifting procedure  .........................104
Towing a trailer  .............................. 106
Transmission position indicator  .....104
Transmission positions  ..................104
AUX socket  ........................................ 154
Axle oils  .............................................. 334
B
BabySmart™  
Air bag deactivation system  .............45
Self-test  ........................................... 46
Back button  ....................................... 129
Backrest see Seats                                                  
Backup lamps  
Messages in the multifunction
display  ........................................... 283
Replacing bulbs  ............................. 305
Bar (air pressure unit)  ....................... 239
BAS (Brake Assist System)  ................. 60
Batteries, SmartKey  
Checking condition  ..........................69
Replacing  ....................................... 302
Battery, Vehicle  ................................. 317
Charging  ........................................ 319
Jump starting  ................................. 319
Messages in the multifunction
display  ........................................... 281
Bead (tire)  .......................................... 239
Beverage holders see Cup holders                                        
Bluetooth ®
 settings  .......................... 135
Brake Assist System
see BAS                                                     
Brake fluid  
Checking level  ............................... 217
Messages in the multifunction
display  ........................................... 273
Brake lamps  
Cleaning lenses  ............................. 254
Replacing bulbs  ............................. 305
Brake pads  
Messages in the multifunction
display  ........................................... 270
Brakes  ................................................ 244
Parking brake  ................................ 102
Warning lamp ................................. 289
Break-in period  .................................. 212
Bulbs see Replacing bulbs                                  
C
CAC (Customer Assistance Center)  ... 22
California retail buyers and
lessees, important notice for  ............. 20
Calls (phone)  .............................. 117, 155
Can holders see Cup holders                                        
Capacities and recommended
fuel/lubricants  .................................. 334
Cargo compartment  
Cargo net  ....................................... 191
Cargo volume, expanding  ..............189
Cover blind  .................................... 190
Fuse box  ........................................ 326
Hooks  ............................................ 189
Tie-down rings  ............................... 188
Cargo compartment cover blind  ...... 190
Cargo net  ........................................... 191
Cargo tie-down rings  ......................... 188
Carpets, cleaning  .............................. 256
CD player  ............................................ 146
Center console  
Lower part  ....................................... 31
Upper part  ....................................... 31
Central locking  
Automatic  ................................ 70, 124
KEYLESS-GO  .................................... 67
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Locking/unlocking from inside ........71
SmartKey  ......................................... 66
Central locking/unlocking switch  ..... 71
Certification label  .............................. 328
Children in the vehicle  
Air bags  ........................................... 37
BabySmart™ air bag deactivation
system  ............................................. 45
Child safety locks (rear doors)  .........58
Child seat anchors – LATCH-type
(ISOFIX)  ........................................... 57
Indicator lamp, front passenger
front air bag off (Canada only)  .........45
Indicator lamp, front passenger
front air bag off (USA only)  ..............42
Infant and child restraint systems .... 54
ISOFIX (Child seat anchors –
LATCH-type) ..................................... 57
OCS (Occupant Classification
System)  ........................................... 42
Override switch  ................................ 58
Safety notes ..................................... 53
Tether anchorage points  ..................56
Top tether  ........................................ 56
Child safety
see Children in the vehicle                        
Child seat anchors – LATCH-type
(ISOFIX) see Children in the vehicle                        
Chrome-plated exhaust tip,
cleaning  .............................................. 257
Cigarette lighter  ................................ 197
Clear button  ....................................... 130
Climate control system  .................... 177
Air conditioning  ............................. 179
Air conditioning refrigerant  ............336
Air distribution  ............................... 181
Air recirculation mode  ...................183
Air volume  ..................................... 182
Automatic mode  ............................ 179
Deactivating system  ......................179
Front defroster  .............................. 182
Maximum cooling MAX COOL  ........182
Temperature  .................................. 180
Clock  ............................................ 29, 121
Coat hooks  ......................................... 189
Cockpit  ................................................. 27
Cold tire inflation pressure  .............. 239Collapsible tire (spare wheel)  .......... 333
Collapsible wheel chock  ................... 261
COMAND system see separate COMAND system
operating instructions                               
Combination gauge  ............................. 28
Combination switch  ............................ 90
Compass  ............................................ 199
Control system  .................................. 110
Multifunction display  .....................112
Multifunction steering wheel  .........110
Resetting to factory settings  ..........119
Control system menus  ...................... 113
Audio  ............................................. 115
Navi  ............................................... 115
Service ........................................... 118
Settings  ......................................... 119
Telephone  ...................................... 117
Trip  ................................................ 113
Control system submenus  
Convenience  .................................. 124
Instrument cluster  .........................120
Lighting  .......................................... 122
Time/Date  ..................................... 121
Vehicle  ........................................... 123
Convenience submenu  
Easy-entry/exit feature .................. 124
Fold-in function for exterior rear
view mirrors  ................................... 124
Coolant  
Anticorrosion/antifreeze  ...............338
Capacities  ...................................... 334
Checking level  ............................... 216
Messages in the multifunction
display  ........................................... 279
Temperature gauge ........................ 109
Warning lamp ................................. 295
Coolant temperature gauge  ............... 28
Corner-illuminating lamps  .................. 91
Replacing bulbs  ............................. 304
Cruise control  .................................... 168
Activating ....................................... 169
Canceling  ....................................... 169
Changing the set speed  .................170
Last stored speed  ..........................170
Lever .............................................. 169
Messages in the multifunction
display  ........................................... 2676IndexX204_AKB; 3; 23, en-USd2ureepe,Version: 2.11.8.12009-07-16T19:16:58+02:00 - Seite 6 

Electronic Traction Systemsee ETS/4-ETS                                          
Emergency, in case of  
First aid kit ..................................... 260
Flat tire  .......................................... 312
Hazard warning flasher  ....................90
Roadside Assistance ................ 20, 203
Towing the vehicle  .........................321
Emergency calls  
Tele Aid  .......................................... 201
Telephone  ...................................... 161
Emergency operations  
Remote door lock (Tele Aid) ........... 205
Remote door unlock (Tele Aid)  .......204
Emergency Tensioning Device
see ETD                                                     
Emission control  ............................... 249
Information label ............................ 329
System warranties  ...........................19
Engine  
Break-in recommendations  ............212
Cleaning ......................................... 253
Compartment  ................................ 214
Malfunction indicator lamp  ............295
Messages in the multifunction
display  ........................................... 279
Number .......................................... 329
Starting  ............................................ 98
Turning off  ..................................... 102
Engine (Technical data)
see Vehicle specification                          
Engine coolant
see Coolant                                               
Engine oil  
Adding  ........................................... 216
Additives  ........................................ 336
Checking level  ............................... 215
Consumption  ................................. 215
Messages in the multifunction
display  ........................................... 282
Oil dipstick ..................................... 215
Recommended engine oils and oil
filter  ............................................... 335
ESP ®
 (Electronic Stability
Program)  .............................................. 61
ETS/4-ETS  ....................................... 62Messages in the multifunction
display  ........................... 271, 272, 274
Trailer stabilization ........................... 63
Warning lamp ................................. 293
ETD (Emergency Tensioning
Device)  ................................................. 51
Safety guidelines  ............................. 39
ETS/4-ETS (Electronic Traction
System)  ................................................ 62
Express operation  
Panorama roof  ............................... 185
Power windows  ................................ 95
Exterior lamp switch  ........................... 87
Exterior rear view mirrors  .................. 84
Fold-in function  ................................ 86
Parking position  ............................... 85
Power-folding  ................................... 85
Switching fold-in function on or
off  .................................................. 124
Exterior view of vehicle  ...................... 26
F
Fastening the seat belts  ..................... 49
First aid kit  ......................................... 260
Flat tire  ............................................... 312
Lowering the vehicle  ......................317
Mounting the spare wheel  .............312
Preparing the vehicle  .....................312
Spare wheel ........................... 312, 333
Floormats  ........................................... 209
Fluids  
Automatic transmission fluid  .........334
Brake fluid  ..................................... 334
Capacities  ...................................... 334
Engine coolant  ............................... 334
Engine oil  ....................................... 334
Power steering fluid  .......................334
Washer and headlamp cleaning
system  ........................................... 335
Fog lamps  ............................................. 89
Messages in the multifunction
display  ................................... 283, 285
Fold-in function for exterior rear
view mirrors  ........................................ 86
Four-wheel drive see All-wheel drive (4MATIC)                    
8IndexX204_AKB; 3; 23, en-USd2ureepe,Version: 2.11.8.12009-07-16T19:16:58+02:00 - Seite 8 

Front air bagssee Air bags                                              
Front axle oil  ...................................... 334
Front lamps see Headlamps                                         
Front passenger front air bag  ............ 40
Messages in the multifunction
display  ........................................... 264
Front passenger front air bag off
indicator lamp (Canada only)  ..... 45, 297
Front passenger front air bag off
indicator lamp (USA only)  .......... 42, 298
Front seat head restraints see Head restraints                                   
Fuel  ..................................................... 212
Additives  ........................................ 337
Capacity, fuel tank  .........................335
Drive sensibly–safe fuel  .................243
Fuel consumption statistics  ...........114
Fuel filler flap and cap  ...................213
Fuel tank reserve warning lamp  .....294
Premium unleaded gasoline  ...........336
Refueling ........................................ 212
Requirements  ................................ 337
Fuel filler flap  ..................................... 213
Opening manually  ..........................301
Fuel gauge  ................................... 28, 110
Fuels, coolants, lubricants etc.  ........ 334
Fuel tank  
Capacity  ........................................ 335
Fuel filler flap and cap  ...................213
Refueling ........................................ 212
Fuses  .................................................. 325
G
Garage door opener  .................... 32, 205
Gasoline see Fuel                                                     
GAWR (Gross Axle Weight Rating)  ... 240
Gear range  ......................................... 106
Indicator  ........................................ 106
Limiting  .......................................... 107
Shifting into optimal  ......................108
Gear selector lever  ............................ 103
Cleaning ......................................... 256
Gearshift pattern  ........................... 103
Lock ......................................... 99, 104
Shifting procedure  .........................104
Transmission position indicator  .....104
Transmission positions  ..................104
Generator
see Alternator                                           
Global locking/unlocking
see Key, SmartKey                                    
Glove box  ........................................... 192
Gross Axle Weight Rating see GAWR                                                 
Gross Trailer Weight
see GTW                                                    
Gross Vehicle Weight
see GVW                                                    
Gross Vehicle Weight Rating
see GVWR                                                 
GTW (Gross Trailer Weight)  .............. 240
GVW (Gross Vehicle Weight)  ............ 240
GVWR (Gross Vehicle Weight
Rating)  ................................................ 240
H
Halogen headlamps see Headlamps                                         
Hard plastic trim items, cleaning  .... 256
Hazard warning flasher  ....................... 90
Headlamp cleaning system  ................ 91
Headlamps  
Active Bi-Xenon headlamps  .............87
Automatic headlamp mode  ..............88
Bi-Xenon  .................................. 87, 304
Cleaning lenses  ............................. 254
Cleaning system  .............................. 91
Daytime running lamp mode  ............88
Delayed shut-off  ............................ 122
Halogen  ......................................... 304
High-beam flasher ............................ 90
High-beam headlamps  .....................90
Low-beam headlamps  ......................88
Messages in the multifunction
display  ........................................... 283
Replacing bulbs  ............................. 303
Switch  .............................................. 87
Headliner, cleaning and care of  ....... 256
Head restraints  .................................... 78
Adjustment  ................................ 78, 80
Folding back  .................................... 80
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L
Labels  
Certification  ................................... 328
Emission control information  .........329
Tire and Loading Information
placard ........................................... 227
Tire inflation pressure  ....................220
Lamps, exterior  
Exterior lamp switch  ........................87
Front  .............................................. 304
Messages in the multifunction
display  ........................................... 283
Rear  ............................................... 305
Switching on/off .............................. 87
Lamps, indicator and warning  
ABS .......................................... 28, 289
Brakes  ..................................... 28, 289
Center console  ................................ 31
Coolant  .................................... 28, 295
Engine malfunction  ..................28, 295
ESP ®
 ........................................ 28, 293
Fog lamps  ........................................ 89
Front fog lamps ................................ 28
Front passenger front air bag off
(Canada only)  .......................... 45, 297
Front passenger front air bag off
(USA only) ................................ 42, 298
Fuel tank reserve  .....................28, 294
High-beam headlamps  ...............28, 90
Instrument cluster  ...................28, 288
Low-beam headlamps  ................28, 88
Low tire pressure/TPMS
malfunction telltale  ..................28, 296
Rear fog lamp  .................................. 28
Seat belt telltale  ................28, 50, 292
SRS .................................... 28, 36, 293
Turn signals  ..................................... 28
LATCH-type child seat anchors (ISOFIX)
see Children in the vehicle                        
License plate lamps  
Messages in the multifunction
display  ........................................... 285
Replacing bulbs  ............................. 305
Light alloy wheels, cleaning  ............. 256
Lighter see Cigarette lighter                                 Lighting ................................................ 87
Daytime running lamp mode  ............88
Exterior  ............................................ 87
Interior  ............................................. 92
Limp-home mode  .............................. 108
Load index (tires)  ...................... 235, 240
Loading see Vehicle loading                                   
Locator lighting  ................................. 122
Locking the vehicle  
KEYLESS-GO  .................................... 67
Manually  ........................................ 299
SmartKey  ......................................... 66
Loss of  
Key  .................................................. 69
Service and Warranty Information
booklet  .......................................... 328
Low-beam headlamps  ......................... 88
Exterior lamp switch  ........................87
Replacing bulbs  ............................. 304
Switching on  .................................... 88
Lubricants  .......................................... 334
Lumbar support  ................................... 80
M
Maintenance  ........................................ 20
Maintenance System  
Service indicator display  ................251
Service indicator message  .............250
Service term exceeded  ..................250
Manual headlamp mode (Low-
beam headlamps)  ................................ 88
Maximum engine speed see Vehicle specification                          
Maximum loaded vehicle weight  ..... 240
Maximum load rating (tires)  ............. 240
Maximum permissible tire
inflation pressure  .............................. 240
Mechanical key see Key, Mechanical                                 
Media interface  ................................. 192
Memory function  ........................... 33, 86
Menus see Control system menus                       
Mirrors  .................................................. 83
Auto-dimming rear view mirrors ....... 84
Index11X204_AKB; 3; 23, en-USd2ureepe,Version: 2.11.8.12009-07-16T19:16:58+02:00 - Seite 11 

Front passenger front air bag off
indicator lamp (Canada
only)  ........................................ 45, 297
Front passenger front air bag off
indicator lamp (USA only)  ........42, 298
Infant and child restraint systems .... 54
Introduction  ..................................... 36
ISOFIX (Child seat anchors –
LATCH-type) ..................................... 57
OCS (Occupant Classification
System)  ........................................... 42
Seat belts  .................................. 39, 47
OCS (Occupant Classification
System)  ................................................ 42
Self-test  ........................................... 45
Odometer  ........................................... 113
Oil, oil level see Engine oil                                            
On-board computer
see Control system                                   
One-touch gearshifting  ..................... 107
Operating safety  .................................. 22
Ornamental moldings, cleaning  ....... 254
Overhead control panel  ...................... 32
P
Paintwork, cleaning  .......................... 252
Paintwork code  ................................. 329
Panic alarm  .......................................... 59
Panorama roof with power tilt/
sliding panel  ...................................... 185
Cleaning ......................................... 255
Operation ....................................... 185
Roller sunblinds  ............................. 184
Synchronizing  ................................ 186
Parcel nets  ......................................... 188
Parking  ............................................... 101
Parktronic system  ..........................172
Parking brake  .................................... 102
Messages in the multifunction
display  ........................................... 272
Parking position  
Exterior rear view mirrors  ................85
Transmission position  ....................104
Parktronic system  
Cleaning system sensors  ...............254
Malfunction .................................... 174
Minimum distance  .........................173
Sensor range  ................................. 172
Switching on/off  ........................... 174
System sensors  ............................. 172
Warning indicators  .........................173
Parts service  ...................................... 328
PASS AIR BAG OFF indicator lamp
(Canada only) see Front passenger front air bag
off indicator lamp (Canada only)               
PASS AIR BAG OFF indicator lamp
(USA only) see Front passenger front air bag
off indicator lamp (USA only)                    
Passenger safety
see Occupant safety                                 
Pedals  ................................................. 244
Phone see Telephone                                           
Plastic parts, cleaning  ...................... 256
Power assistance  .............................. 244
Power outlets  .................................... 197
Power seats see Seats                                                  
Power steering  
Messages in the multifunction
display  ........................................... 279
Power tailgate  
Closing  ............................................. 72
Opening  ........................................... 72
Power washer  .................................... 252
Power windows  ................................... 95
Cleaning ......................................... 255
Operation  ......................................... 95
Rear door window, override
switch  .............................................. 58
Synchronizing  .................................. 96
Practical hints  ................................... 260
Problems  
While driving  .................................. 101
With vehicle  ..................................... 22
With wipers  ...................................... 95
Product information  ............................ 19
Production options weight  ............... 240
Program mode selector switch  
Automatic shift program  ................106Index13X204_AKB; 3; 23, en-USd2ureepe,Version: 2.11.8.12009-07-16T19:16:58+02:00 - Seite 13