
1, 2, 3 ...
12 V socket  ........................................ 258
A
ABS (Anti-lock Braking System) Display message  ............................ 220
Function/notes ................................ 64
Warning lamp ................................. 243
Accident (notes)  ................................ 287
Active light function (display
message)  ............................................ 225
Active service system see Service interval display                      
ADAPTIVE BRAKE  ................................. 68
Adaptive Highbeam Assist Display message  ............................ 226
Switching on/off  ........................... 123
Switching on/off (on-board
computer)  ...................................... 209
Air bags
Display message  ............................ 218
Front air bag (driver, front
passenger)  ....................................... 37
Important safety notes  ....................36
Knee bag .......................................... 38
PASSENGER AIRBAG OFF
indicator lamp (only Canada)  ...........47
PASSENGER AIRBAG OFF
indicator lamp (only USA)  ................42
Pelvis air bag  ................................... 40
Safety guidelines  ............................. 35
Side impact air bag  ..........................39
Window curtain air bag  ....................41
AIRCAP  ................................................. 97
AIRCAP (cleaning instructions)  ........ 280
Air-conditioning system see Climate control                                   
Air dehumidification
Activating/deactivating with
cooling  ........................................... 139
Air distribution
Setting  ........................................... 141
Airflow
Setting  ........................................... 142
Air nozzles
see Air vents  .................................. 145
Air pressure
see Tire pressure                                      
Air-recirculation mode
Activating/deactivating  .................144
AIRSCARF  ........................................... 112
Setting the vents  ........................... 147
Air vents  ............................................. 145
Glove box  ....................................... 146
Important safety information  .........145
Rear  ............................................... 146
Setting the AIRSCARF vents  ..........147
Setting the center air vents  ...........145
Setting the side air vents  ...............146
Switching AIRSCARF on/off  ..........112
Alarm system
see ATA                                                     
Alertness Assistant
see ATTENTION ASSIST                            
Anti-lock Braking System
see ABS                                                     
Anti-Theft Alarm system
see ATA                                                     
Anti-theft system
ATA (Anti-Theft Alarm system)  .........71
Ashtray  ............................................... 257
Assistance menu (on-board
computer)  .......................................... 206
ATA (Anti-Theft Alarm system) Activating/deactivating  ...................71
Function ........................................... 71
Switching off the alarm  ....................71
ATTENTION ASSIST
Activating/deactivating (on-
board computer)  ............................ 207
Display message  ............................ 229
Function/notes  ............................. 193
Audio menu (on-board computer)  .... 204
AUTO lights see Light sensor                                        
Automatic car wash  .......................... 277
Automatic transmission Display message  ............................ 236
Driving tips  .................................... 158
Emergency running mode  ..............162
Kickdown  ....................................... 158
Malfunction .................................... 162
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Pulling away ................................... 153
Releasing the parking lock
manually  ........................................ 162
Selector lever  ................................ 156
Starting  .......................................... 153
B
Backrest Folding forward/back  ....................110
Backrest (display message)  ............. 237
Bag hook  ............................................ 253
BAS (Brake Assist System)  ................. 65
BAS PLUS (Brake Assist System
Plus*)  .................................................... 65
Battery Charging  ........................................ 294
Checking (SmartKey)  .......................78
Display message  ............................ 228
Important safety guidelines
(SmartKey)  ....................................... 77
Jump-starting  ................................. 296
Replacing (SmartKey)  ......................78
Safety notes  .................................. 293
Belt
see Seat belts                                           
Blind Spot Assist
Activating/deactivating (on-
board computer)  ............................ 208
Display message  ............................ 230
Function/notes  ............................. 194
Brake fluid
Notes  ............................................. 338
Brake fluid level  ................................ 276
Brake lamp (display message)  ......... 223
Brakes ABS  .................................................. 64
BAS  .................................................. 65
BAS PLUS  ........................................ 65
Brake fluid (notes)  .........................338
Display message  ............................ 221
Important safety notes  ..................168
Maintenance  .................................. 169
Parking brake  ................................ 166
Warning lamp ................................. 240
Breakdown
see Accident (notes)                                 
see Flat tire                                               
Bulbs
High-beam headlamps  ...................128
Low-beam headlamps  ....................127
Overview  ........................................ 127
Parking lamps  ................................ 128
Standing lamps (front)  ...................128
Turn signals (front) ......................... 128
C
CAC (Customer Assistance Center)  .........21
California
Important notice for retail
customers and lessees  ....................19
Calling up a malfunction
see Display messages                               
Capacities
see Technical data                                    
Care
AIRCAP  .......................................... 280
Carpets  .......................................... 284
Car wash ........................................ 277
Display  ........................................... 282
Gear or selector lever  ....................283
Headlamps ..................................... 282
Notes  ............................................. 277
Paint  .............................................. 279
Plastic trim  .................................... 283
Power washer  ................................ 278
Rear view camera  .......................... 282
Roof lining ...................................... 284
Seat belt  ........................................ 284
Seat covers  .................................... 283
Sensors  ......................................... 282
Soft top .......................................... 279
Steering wheel  ............................... 283
Tail pipes  ....................................... 282
Trim strips  ..................................... 283
Washing by hand  ........................... 278
Wheels  ........................................... 279
Wind deflector  ............................... 280
Windows  ........................................ 281
Wind screen  ................................... 280
Wiper blades  .................................. 281
Wooden trim  .................................. 283
Cargo tie down rings  ......................... 253
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Premium-grade unleaded gasoline . 336
Refueling ........................................ 162
Specifications  ................................ 336
Troubleshooting  ............................. 165
Fuel consumption
Current (on-board computer)  .........202
Notes  ............................................. 167
Fuel filler cap (display message)  ..... 229
Fuel filler flap Opening/closing  ....... 163
Fuel level Calling up the range (on-board
computer)  ...................................... 202
Fuses
Dashboard fuse box  .......................300
Fuse allocation chart  .....................300
Fuse box in the engine
compartment  ................................. 301
Fuse box in the trunk  .....................301
Notes  ............................................. 300
G
Garage door opener Clearing the memory  .....................268
Notes  ............................................. 265
Opening/closing the garage door  ..267
Programming the remote control  ...265
Gear or selector lever (cleaning
guidelines)  ......................................... 283
Genuine Mercedes-Benz parts  ......... 332
Genuine wood trim and trim strips
(cleaning instructions)  ...................... 283
Glove box  ........................................... 250
H
Head bags  ............................................ 40
Head bags ........................................ 40
Headlamp cleaning system  .............. 124
Adding washer fluid  .......................275
Notes  ............................................. 339
Headlamp mode (daytime driving)
see Daytime running lamps                      
Headlamps
Cleaning ......................................... 282
Misting up  ...................................... 125
Head level heating
AIRSCARF  ...................................... 112
Head restraint
Lowering manually (rear)  ...............109
Head restraints
Adjusting (electrically)  ...................108
Adjusting (rear)  .............................. 109
see NECK-PRO head restraints                 
Heating
see Climate control                                   
High beam flasher  ............................. 124
Hill start assist  .................................. 154
HOLD function Display message  ............................ 229
Function/notes  ............................. 184
Hood
Closing ........................................... 273
Display message  ............................ 237
Opening  ......................................... 272
Hydroplaning  ..................................... 170
I
Immobilizer  .......................................... 70
Indicator and warning lamps DISTRONIC PLUS  ........................... 247
Installing/removing the AIRCAP
wind screen  ......................................... 98
Instrument cluster Overview  .......................................... 26
Submenu (on-board computer)  ......208
Warning and indicator lamps  ...........27
Instrument cluster lighting  ................ 26
Instrument lighting see Instrument cluster lighting                 
Interior lighting
Automatic control  ..........................125
Delayed switch-off (on-board
computer)  ...................................... 210
Emergency lighting  ........................126
Manual control ............................... 126
Reading lamp  ................................. 125
J
Jack Storage location  ............................ 287
Using  ............................................. 290
Jump-starting  ..................................... 296
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K
Key Opening/closing soft top  .................91
KEYLESS-GO
Button  ............................................ 151
Convenience closing feature  ............88
Display message  ............................ 239
Locking  ............................................ 75
Starting the engine  ........................153
Unlocking ......................................... 75
Key positions
KEYLESS-GO  .................................. 151
SmartKey  ....................................... 151
Kickdown  ................................... 158, 161
Knee bag  .............................................. 38
L
Lane-change assistant see Blind Spot Assist                                
LATCH-type (ISOFIX) child seat
anchors  ................................................ 61
License plate lamp (display
message)  ............................................ 224
Lights Activating/deactivating the
interior lighting delayed switch-off
(on-board computer)  ......................210
Automatic headlamp mode  ............121
Cornering light function  .................124
Daytime running lamps  ..................121
Driving abroad  ............................... 120
Fog lamps  ...................................... 122
Hazard warning lamps  ...................124
High-beam headlamps  ...................122
Light switch  ................................... 120
Low-beam headlamps  ....................121
Rear fog lamp  ................................ 122
Switching the Adaptive Highbeam
Assist on/off (on-board
computer)  ...................................... 209
Switching the daytime driving
lights on/off (on-board computer) . 209
Switching the exterior lighting
delayed switch-off on/off (on-
board computer)  ............................ 209
Switching the surround lighting
on/off (on-board computer)  ..........209
Light sensor (display message)  ....... 225
Loading guidelines  ............................ 250
Locking Automatic  ........................................ 81
Emergency locking ........................... 82
From inside the vehicle (central
locking button) ................................. 81
Locking verification signal (on-
board computer)  ............................... 210
Low-beam headlamp (display
message)  ............................................ 223
Luggage cover see Trunk partition                                    
Luggage net  ....................................... 251
Lumbar support 4-way lumbar support  ....................111
M
M+S tires  ............................................ 170
Main-beam headlamps (display
message)  ............................................ 224
Malfunction message see Display messages                               
Malfunctions relevant to safety
Reporting  ......................................... 21
Manual drive program  ...................... 160
mbrace Call priority  .................................... 263
Display message  ............................ 214
Downloading destinations
(COMAND)  ..................................... 263
Emergency call  .............................. 260
Important safety notes  ..................259
Locating a stolen vehicle  ...............264
MB info call button  ........................262
Remote vehicle locking  ..................264
Roadside Assistance button  ..........262
Self-test  ......................................... 260
System  .......................................... 260
Vehicle remote unlocking  ..............264
Mechanical key
Function/notes ................................ 77
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Warning and indicator lampsFunctionPage:ESP®
 OFF243;Fog lamp122=Rear fog lamp122?Turn signal122AESP ®243BDistance warning lamp247CTurn signal122DSeat belt241ESRS244FunctionPageFEngine diagnostics245GBrakes (Canada only)240HTire pressure monitor247ICoolant246JBrakes (USA only)240KABS243LHigh beam122MLow beam121NReserve fuel245Instrument cluster27At a glanceBA 207 USA, CA Edition B 2011; 1; 3, en-USd2sboikeVersion: 3.0.3.62010-05-20T10:38:09+02:00 - Seite 27  

Vehicle equipment
i This manual describes all the standard
and optional equipment of your vehicle
which was available at the time of
purchase. Country-specific differences are
possible. Bear in mind that your vehicle
may not feature all functions described
here. This also refers to safety-related
systems and functions.
Exterior lighting
Important safety notes
For reasons of safety, Mercedes-Benz
recommends that you drive with the lights
switched on even during the daytime. In some
countries, operation of the headlamps varies
due to legal requirements and self-imposed
obligations. In these countries, the daytime
running lamps are automatically switched on
when the engine is started.
Notes on driving abroad
Converting to symmetrical low beam 
when driving abroad:  switch the headlamps
to symmetrical low beam in countries in
which traffic drives on the opposite side of the
road to the country where the vehicle is
registered. This prevents oncoming traffic
from being dazzled. Symmetrical lights do not
illuminate as large an area of the edge of the
road.
Have the headlamps converted at a qualified
specialist workshop, e.g. an authorized
Mercedes-Benz Center, as close to the border
as possible before driving in these countries.
Converting to asymmetrical low beam 
after returning:  have the headlamps
converted back to asymmetrical low beam at
a qualified specialist workshop, e.g. an
authorized Mercedes-Benz Center, as soon as
possible after crossing the border when
returning.
Light switch
Operation1 WLeft-hand standing lamps2XRight-hand standing lamps3TParking lamps, license plate and
instrument lighting4 cAutomatic headlamp mode/daytime
running lamps5 LLow-beam/high-beam headlampsBRRear fog lampCNFront fog lamps
The turn signals, high-beam headlamps and
the high beam flasher are operated using the
combination switch ( Y page 122).
!  Switch off the parking lamps and standing
lamps when you leave the vehicle. This
prevents the battery from discharging.
The exterior lighting (except the parking
lamps/standing lamps) switches off
automatically if you:
R remove the key from the ignition lock
R open the driver's door with the key in
position  0
If you hear a warning tone when you leave the
vehicle, the lights may still be switched on.
XTurn the light switch to  c.120Exterior lightingLights and windshield wipers
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Fog lamps and rear fog lamps
Front fog lamps
Only vehicles with front fog lamps have the
"fog lamps" function.
GWarning!
If you suspect that driving conditions will be
foggy, turn the light switch to L before you
start your journey. Otherwise, your vehicle
may not be visible and you could endanger
yourself and others.
XTo switch on the front fog lamps: turn
the key in the ignition lock to position 2 or
start the engine.
XTurn the light switch to L or c.XPress the N button.
The green N indicator lamp in the
instrument cluster lights up.
XTo switch off the front fog lamps:  press
the N button.
The green N indicator lamp in the
instrument cluster goes out.
iIf you switch the engine off (key in
position 1 in the ignition lock) and then
restart it, the previous fog lamp settings are
restored.
Rear fog lamp
XTo switch on the rear fog lamp: turn the
key in the ignition lock to position 2 or start
the engine.
XTurn the light switch to L or c.
When the light switch is set to c, the
rear fog lamp only lights up if the low-beam
headlamps are switched on.
XPress the R button.
The yellow R indicator lamp in the
instrument cluster lights up.
XTo switch off the rear fog lamp: press the
R button.
The yellow R indicator lamp in the
instrument cluster goes out.
iIf you switch the engine off (key in
position 1 in the ignition lock) and then
restart it, the previous rear fog lamp
settings are restored.
Combination switch
Turn signals
:High-beam headlamps;Right turn signal=High beam flasher?Left turn signalXTo indicate briefly: press the combination
switch briefly to the pressure point in the
direction of arrow ; or ?.
The corresponding turn signal flashes three
times.
XTo indicate: press the combination switch
beyond the pressure point in the direction
of arrow ; or ?.
High-beam headlamps
XTo switch on the high-beam headlamps: 
turn the key in the ignition lock to position
2 or start the engine.
XTurn the light switch to L or c.XPress the combination switch beyond the
pressure point in the direction of
arrow :.
In the c position, the high-beam
headlamps are only switched on when it is
dark and the engine is running.
122Exterior lightingLights and windshield wipers
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The K  indicator lamp in the instrument
cluster lights up when the high-beam
headlamps are switched on.XTo switch off the high-beam 
headlamps:  move the combination switch
back to its normal position.
The  K  indicator lamp in the instrument
cluster goes out.
Adaptive Highbeam Assist
GWarning!
The Adaptive Highbeam Assist is only an aid
intended to support you while driving. The
driver is and remains responsible for proper
vehicle lighting in accordance with the
prevailing light, sight and traffic conditions.
The system may be impaired or unavailable
when
R visibility is poor, e.g. due to snow, rain, fog,
or heavy spray
R the optical sensor area of the windshield is
dirty, fogged up, or covered by a sticker for
example
The system cannot recognize the following
road users:
R Road users without a lighting system of
their own, e.g. pedestrians
R Road users with dim lighting of their own,
e.g. cyclists
R Road users whose lighting is obstructed,
e.g. road users behind a guardrail
R In some seldom cases, even road users with
a lighting system of their own may be
recognized too late or not at all.
The automatic high-beam headlamps will then
not be deactivated or it will be activated in
spite of preceding or oncoming road users.
This could endanger you and/or others and
cause an accident. Always pay close attention
to the traffic situation and switch off the high
beam manually if necessary.
You can use this function to set the
headlamps to change between low beam and
high beam automatically. The system
recognizes vehicles with their lights on, either
approaching from the opposite direction or
traveling in front of your vehicle, and
consequently switches the headlamps from
high beam to low beam.
The system automatically adapts the low-
beam headlamp range depending on the
distance to the other vehicle. Once the
system no longer detects any other vehicles,
it reactivates the high-beam headlamps.
The system's optical sensor is located behind
the windshield near the overhead control
panel.XTo activate:  activate the Adaptive
Highbeam Assist function using the on-
board computer ( Y page 209).XTurn the light switch to  c.XPress the combination switch beyond the
pressure point in the direction of arrow  :
( Y  page 122).
When the low-beam headlamps are
switched on, the  _ indicator lamp in the
instrument cluster lights up.
If you are driving at speeds above
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