
Armrest, front 
Storage compartment  ....................193
Ashtrays  ............................................. 196
Aspect ratio (tires)  ............................ 240
Audio/DVD menu  .............................. 126
Auto-dimming rear view mirrors  ........ 90
Automatic central locking  .......... 74, 135
Automatic headlamp mode  ................ 93
Automatic interior lighting control  .... 97
Automatic locking when driving  ...... 135
Automatic shift program  .................. 114
Automatic transmission  ................... 109
Automatic shift program  ................114
Emergency operation (limp-home
mode)  ............................................ 117
Gear range indicator  ......................114
Gear ranges  ................................... 113
Gear selector lever  ........................109
Hill-start assist system  ..................152
Kickdown  ....................................... 113
Kickdown (manual shift program)  ..117
Manual shift program ..................... 115
One-touch gearshifting  ..................115
Program mode indicator  ................114
Program mode selector switch
(automatic shift program)  ..............114
Program mode selector switch
(manual shift program)  ..................116
Shifting procedure  .........................111
Steering wheel gearshift control  ....115
Towing a trailer  .............................. 113
Transmission position indicator  .....112
Transmission positions  ..................112
AUX socket  ........................................ 193
Axle oils  .............................................. 357
B
BabySmart™  
Air bag deactivation system  .............46
Self-test  ........................................... 47
Backrest
see Seats                                                  
Backup lamps  
Messages in the multifunction
display  ........................................... 293
Bar (air pressure unit)  ....................... 240
BAS (Brake Assist System)  ................. 63
Batteries, SmartKey  
Checking condition  ..........................73
Replacing  ....................................... 309
Battery, Vehicle  ................................. 334
Charging  ........................................ 336
Jump starting  ................................. 336
Messages in the multifunction
display  ................................... 280, 290
Bead (tire)  .......................................... 240
Beverage holders see Cup holders                                        
Bleeding the fuel system (diesel
engine)  ............................................... 331
BlueTEC  
AdBlue ®
 tank  ................................. 331
AdBlue ®
 tank capacity  ...................358
Brake fluid  
Checking level  ............................... 217
Messages in the multifunction
display  ........................................... 284
Brake lamps  
Cleaning lenses  ............................. 263
Brake pads  
Messages in the multifunction
display  ........................................... 283
Brakes  ................................................ 245
High-performance brake system  ....246
Parking brake  ........................ 107, 247
Warning lamp ................................. 299
Break-in period  .................................. 210
Bug cover (Radiator)  ......................... 214
Bulbs see Replacing bulbs                                  
C
CAC (Customer Assistance Center)  ... 23
California retail buyers and
lessees, important notice for  ............. 21
Calls (phone)  ...................................... 139
Can holders see Cup holders                                        
Capacities and recommended
fuel/lubricants  .................................. 356
Cargo compartment  
Cargo net  ....................................... 191
Cargo volume, expanding  ..............189
Cover blind  .................................... 190
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Air filter .......................................... 292
Air suspension program  .................285
Alternator  .............................. 280, 290
Automatic
transmission  .................................. 280
Battery  ................................... 280, 290
Brake fluid  ..................................... 284
Brake pads ..................................... 283
Coolant  .......................................... 288
Corner-illuminating front fog
lamps  ............................................. 295
Cruise control  ................................ 278
Distronic  ........................................ 278
Doors  ............................................. 286
Downhill Speed Regulation (DSR)  ..286
EBP  ................................................ 284
Engine oil  ....................................... 291
ESP ®
 ...................................... 273, 284
Fog lamps  .............................. 293, 294
Front passenger front air bag  ........275
Gas cap .......................................... 292
High-beam lamps  ........................... 294
Hood  .............................................. 286
License plate lamps  .......................294
Light sensor  ................................... 294
Low-beam lamps ............................ 294
Parking brake  ................................ 284
Parking lamps  ................................ 294
PRE-SAFE ®
 .................................... 274
Reserve fuel  ................................... 291
Reverse lamp  ................................. 293
Side marker lamps  .........................293
SmartKey  ............................... 286, 287
SmartKey with KEYLESS-GO  ..........286
SRS  ................................................ 285
Tailgate  .......................................... 286
Tail lamps  ...................................... 295
Tele Aid  .......................................... 285
Tire inflation pressure  ............281, 296
Tire pressure monitor  ....................281
Tires  ...................................... 281, 296
Trailer brake lamps  ........................295
Trailer tail lamps  ............................ 295
Trailer turn signal lamps  ................295
Turn signals  ................................... 296
Washer fluid  ................................... 288Multifunction steering wheel  
Adjustment  ...................................... 86
Buttons  .......................................... 119
Cleaning ......................................... 265
Easy-entry/exit feature  ...........87, 136
Gearshift control  ............................ 115
Heating  ............................................ 88
Memory function .............................. 92
Overview  .......................................... 30
N
Navigation menu  ............................... 127
Navigation system see Separate operating instructions         
NECK-PRO active front head
restraints  ............................................. 53
Resetting  ....................................... 309
Nets, parcel  ....................................... 188
Night security illumination  .............. 134
Normal occupant weight  .................. 241
Number, vehicle identification
(VIN)  ................................................... 347
O
Occupant Classification System see OCS (Occupant Classification
System)                                                     
Occupant distribution  ....................... 241
Occupant safety  
Air bags  ........................................... 37
BabySmart™  .................................... 46
Children and air bags  .......................37
Children in the vehicle  .....................55
Child seat anchors – LATCH-type  ....59
Fastening the seat belts ................... 50
Front passenger front air bag off
indicator lamp (Canada
only)  ........................................ 46, 305
Front passenger front air bag off
indicator lamp (USA only)  ........42, 305
Infant and child restraint systems .... 56
Introduction  ..................................... 36
OCS (Occupant Classification
System)  ........................................... 42
PRE-SAFE ®
 ....................................... 52
Seat belts  .................................. 39, 48
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Program mode selector switch 
Automatic shift program  ................114
Manual shift program ..................... 116
Proximity key
see Key, SmartKey                                    
PSI (air pressure unit)  ....................... 241
R
RACETIMER  ........................................ 124
Radiator  ..................................... 214, 242
Radio  
Selecting stations  ..........................126
Radio transmitters  ............................ 257
Rain sensor see Intermittent wiping                             
Rear axle oil  ....................................... 357
Rear center console ashtray see Ashtrays                                             
Rear doors  
Child safety locks  ............................ 60
Rear door window  
Override switch  ................................ 60
Rear fog lamp
see Fog lamps                                           
Rear lamps
see Tail lamps                                           
Rear seat head restraints
see Head restraints                                   
Rear view camera  .............................. 163
Cleaning the camera lens  ..............263
Rear window defroster  ..................... 183
Rear window wiper/washer  ............. 100
Recommended tire inflation
pressure  ..................................... 219, 241
Refilling  
AdBlue ®
 ......................................... 332
Refrigerant, air conditioning  ............ 359
Refueling  ............................................ 210
Regular checks  .................................. 212
Reminder, Seat belt see Seat belts, Telltale                              
Remote control
see Key, SmartKey                                    
Remote door unlock (Tele Aid)  ......... 203
Replacing  
Key  .................................................. 74
Replacing bulbs  ................................. 311
Reporting safety defects  .................... 24
Research Octane Number see RON                                                    
Reserve fuel  
Messages in the multifunction
display  ........................................... 291
Warning lamp  ................................... 29
Reset button  ................................ 28, 118
Reset tool (NECK-PRO active front
head restraints)  ................................. 309
Restraint systems see Occupant safety                                 
Rims  ........................................... 241, 352
Roadside Assistance  ................... 21, 201
RON (Research Octane Number)  ..... 360
Rubber parts, cleaning  ...................... 264
Run-flat tires see MOExtended tires                               
S
Safety  
Driving safety systems  .....................61
Occupant safety ............................... 36
Reporting defects  ............................ 24
Safety belts
see Seat belts                                           
Seat belt force limiter  ......................... 52
Seat belts  ............................................. 48
Adjustment function  ........................51
Children in the vehicle  .....................55
Cleaning ......................................... 265
Fastening  ......................................... 50
Height adjustment  ...........................51
Proper use of  ................................... 48
Safety guidelines  ............................. 39
Safety notes ..................................... 48
Telltale  ..................................... 29, 300
Seat heating  ......................................... 86
Seating capacity  ................................ 228
Seats  ..................................................... 81
Adjustment  ...................................... 81
Easy-entry/exit feature  ....................87
Folding (expanding cargo volume) . 189
Heating  ............................................ 86
Memory function .............................. 92
Multicontour seat  ............................ 85
Ventilation  ....................................... 85
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Securing cargo 
Cargo tie-down rings ...................... 188
Selective setting
see Key, SmartKey                                    
Selector lever
see Gear selector lever                             
Self-test  
BabySmart™  .................................... 47
OCS (Occupant Classification
System)  ........................................... 45
Tele Aid  .......................................... 199
Service
see Maintenance                                       
Service, parts  .................................... 346
Service and warranty information  ..... 20
Service intervals see Maintenance System, Service
indicator message                                     
Service life (tires)  .............................. 232
Settings  
Factory setting (KEYLESS-GO)  .........72
Factory setting (SmartKey)  ..............71
Memory function .............................. 92
Menu  ............................................. 129
Selective setting (KEYLESS-GO)  .......73
Selective setting (SmartKey)  ............71
Side impact air bags  ........................... 40
Side marker lamps  
Cleaning lenses  ............................. 263
Messages in the multifunction
display  ........................................... 293
Sidewall (tires)  .................................. 241
SmartKey see Key, SmartKey                                    
SmartKey with KEYLESS-GO
see Key, SmartKey                                    
Snow chains  ...................................... 243
Snow tires see Winter tires                                         
Spare wheel  ....................................... 352
Mounting  ....................................... 324
Storage location  ............................ 271
Speedometer  ............................... 28, 146
Speed settings  
Cruise control  ................................ 142
Distronic  ........................................ 148
Resume function  ...................143, 149Sport Utility Vehicle
see SUV                                                    
SRS  
Indicator lamp  ...................29, 36, 301
Messages in the multifunction
display  ........................................... 285
Standing water, driving through  ...... 247
Starter switch positions  
KEYLESS-GO  .................................... 80
SmartKey  ......................................... 79
Starting difficulties (engine)  ............ 105
Starting the engine  ........................... 103
Steering column see Multifunction steering wheel,
Adjustment                                               
Steering wheel
see Multifunction steering wheel              
Steering wheel gearshift control  ..... 115
Stolen Vehicle Recovery Services  ... 204
Storage compartments  ..................... 192
Storing tires  ....................................... 233
Stranded vehicle  ............................... 342
Sunroof see Power tilt/sliding sunroof                  
Sun visors  .......................................... 195
Suspension tuning see Air suspension program                     
SUV (Sport Utility Vehicle)  ................. 22
T
Tachometer  .................................. 29, 119
Overspeed range  ........................... 119
Tailgate  
Closing  ............................................. 75
Messages in the multifunction
display  ........................................... 286
Opening  ........................................... 75
Power tailgate  .................................. 76
Unlocking manually  .......................307
Tail lamps  ........................................... 312
Cleaning lenses  ............................. 263
Messages in the multifunction
display  ........................................... 295
Tar stains  ........................................... 261
Technical data  
Air conditioning refrigerant  ............359
Brake fluid  ..................................... 359
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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:Tailgate75Power tailgate76;Rear window defroster183=Rear window wiper/washer100Wiper blade, replacing318Wiper blade, cleaning264?Rear lamps311AFuel filler flap210BDoors:Locking and unlocking70,
306
CExterior rear view mirrors89DTowing eyes339EFront lamps311FunctionPageFHood212GWipers98Wiper blades, replacing318Wiper blades, cleaning264HWindshield:Wiping with washer fluid99Cleaning264IPower tilt/sliding sunroof184JCarriers187KTires and wheels218Rims and tires352LHeadlamp cleaning system96MFront fog lamp9526Exterior viewAt a glance
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The rear door windows can no longer be
operated using the respective switch
located in the rear doors.
You can still operate the rear door windows
using the switches located on the door
control panel of the driver’s door.
XDeactivating: Press override switch :
again.
The switch disengages from its recessed
position back to its original position.
The rear door windows can be operated
again using the respective switch located
in the rear doors.
For more information on power windows, see
the “Controls in detail” section
(Y page 100).
Panic alarm
Example illustration: SmartKey with KEYLESS-GO
XActivating: Press and hold !
button : for at least 1 second.
An audible alarm and flashing exterior
lamps will operate briefly.
XDeactivating: Press ! button : again.
or
XInsert the SmartKey into the starter switch.
or
XPress the KEYLESS-GO start/stop button.
The SmartKey with KEYLESS-GO must be
inside the vehicle.
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.
Any unauthorized modification to this
device could void the user’s authority to
operate the equipment.
iCanada 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.
Driving safety systems
Introduction
This section contains information about the
following driving safety systems:
RABS (Antilock Brake System)
RBAS (Brake Assist System)
REBP (Electronic Brake Proportioning)
RESP® (Electronic Stability Program)
iIn winter operation, the maximum
effectiveness of most of the driving
systems described in this section is only
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iIf the alarm stays on for more than
30 seconds, the Tele Aid system initiates a
call to the Response Center automatically.
The Tele Aid system will initiate the call
provided that
Ryou have subscribed to the Tele Aid
service
Rthe Tele Aid service has been activated
properly
Rthe necessary mobile phone, power
supply and GPS coverage are available
XArming: Lock the vehicle with the
SmartKey or with KEYLESS-GO.
The turn signal lamps flash three times to
indicate that the vehicle is locked. Indicator
lamp : flashes to indicate that the alarm
system is armed.
iIf the turn signal lamps do not flash three
times, a door or the tailgate may not be
properly closed.
Close the respective element.
XDisarming: Unlock the vehicle with the
SmartKey or with KEYLESS-GO.
The turn signal lamps flash once to indicate
that the alarm system is disarmed.
iUnless you open a door or the tailgate
within approximately 40 seconds after
unlocking the vehicle:
RThe vehicle will be locked again.
RThe anti-theft alarm system will be
rearmed.
Canceling the alarm
To cancel the alarm, do one of the following:
XInsert the SmartKey into the starter switch.XPress button % or & on the
SmartKey.
In vehicles with KEYLESS-GO:
XGrasp an outside door handle.
The SmartKey must be within 3 ft (1 m) of
the vehicle.
XPress the KEYLESS-GO start/stop button.
The SmartKey must be inside the vehicle.
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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 55.
When unlocking the vehicle, all turn signal
lamps flash once. 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. The locking knobs in the
doors move down. The anti-theft alarm
system is armed.
All doors and the tailgate 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 (Y page 306).
XUse the mechanical key to lock the vehicle
(Y page 307).
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 tailgate
Rthe fuel filler flap
Example illustration: SmartKey with KEYLESS-GO
: &Lock button; FUnlock button for tailgate= %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.
Any unauthorized modification to this
device could void the user’s authority to
operate the equipment.
70Locking and unlockingControls in detail
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