
CD player/CD changer (on-board
computer)  .......................................... 205
Center console  ..................................... 29
Central locking Automatic locking (on-board
computer)  ...................................... 210
SmartKey  ......................................... 74
Changing bulbs
Headlamps ..................................... 126
Changing gears  .................................. 158
Changing the programming SmartKey  ......................................... 77
Children
In the vehicle  ................................... 58
Restraint systems  ............................ 59
Child seat
Automatic recognition  .....................47
Automatic recognition/air bag
deactivation, self-test  ......................49
Display message  ............................ 215
LATCH-type (ISOFIX ) child seat
anchors  ............................................ 61
Special seat belt retractor  ...............61
Top Tether  ....................................... 62
Troubleshooting  ............................... 50
Cigarette lighter  ................................ 258
Classification system for
occupants (OCS) Faults  ............................................... 46
Operation  ......................................... 42
System self-test  ............................... 45
Climate control
3-zone automatic climate control  ..137
Activating/deactivating  .................139
Activating/deactivating air-
recirculation mode  .........................144
Controlling automatically  ...............140
Cooling with air dehumidification  ..139
Defrosting the windshield  ..............142
Demisting the windows .................. 143
Dual-zone automatic climate
control  ........................................... 135
Important safety information  .........134
Indicator lamp ................................ 140
Maximum cooling  .......................... 143
Problems with "cooling with air
dehumidification" ........................... 140Problems with the rear window
heating  .......................................... 144
Rear control panel  .........................139
Refrigerant  ..................................... 337
Setting the air distribution  .............141
Setting the airflow  .........................142
Setting the air vents  ......................145
Setting the temperature  ................141
Setting the temperature (rear
compartment)  ................................ 141
Switching the rear window
heating on/off  ............................... 144
Switching the residual heat
function on/off  .............................. 144
Switching the ZONE function on/
off  .................................................. 142
Cockpit  ................................................. 25
Combination switch  .......................... 122
Compass  ............................................ 268
Consumption statistics (on-board
computer)  .......................................... 202
Convenience closing feature  .............. 87
Convenience opening feature  ............ 87
Coolant (engine) Checking the level  .........................274
Display message  ............................ 226
Notes  ............................................. 338
Temperature gauge ........................ 198
Warning lamp ................................. 246
Cooling
see Climate control                                   
Cornering light (display message)  ... 223
Crash-responsive emergency
lighting  ............................................... 126
Cruise control Cruise control lever  .......................172
Display message  ............................ 233
Function/notes  ............................. 172
Cup holder  ......................................... 255
Center console  .............................. 255
Rear compartment  .........................255
Current fuel consumption (on-
board computer)  ............................... 202
Customer Assistance Center (CAC)  ............................................... 21
Customer Relations Department  ....... 216IndexBA 207 USA, CA Edition B 2011; 1; 3, en-USd2sboikeVersion: 3.0.3.62010-05-20T10:38:09+02:00 - Seite 6 

D
Dashboard see Cockpit                                               
Daytime running lamps
Display message  ............................ 225
Switching on/off (on-board
computer)  ...................................... 209
Delayed switch-off
Exterior lighting (on-board
computer)  ...................................... 209
Interior lighting (on-board
computer)  ...................................... 210
Digital speedometer  ......................... 202
Display (cleaning instructions)  ........ 282
Display messages Brakes  ........................................... 220
Calling up (on-board computer)  .....213
Clearing (on-board computer)  ........213
Driving systems  ............................. 229
Engine ............................................ 226
KEYLESS-GO  .................................. 239
Lamps  ............................................ 222
Safety systems  .............................. 214
Service interval display  ..................276
SmartKey  ....................................... 238
Tires ............................................... 233
Vehicle  ........................................... 236
Distance recorder  ............................. 202
Distance warning lamp  ..................... 247
DISTRONIC PLUS Deactivating ................................... 181
Display message  ............................ 232
Displays in the multifunction
display  ........................................... 180
Driving tips  .................................... 182
Function/notes  ............................. 174
Setting the specified minimum
distance  ......................................... 179
Warning lamp ................................. 247
Door
Automatic locking  ............................ 81
Automatic locking (on-board
computer)  ...................................... 210
Display message  ............................ 237
Emergency locking ........................... 82
Emergency unlocking  .......................82
Opening (from inside)  ......................81Door control panel
Overview  .......................................... 32
Doors
Important safety notes  ....................80
Drinking and driving  ......................... 167
Drinks holder see Cup holder                                          
Drive program
Automatic  ...................................... 159
Manual  ........................................... 160
Drive program display  ...................... 157
Driving abroad  ................................... 171
Driving on flooded roads  .................. 170
Driving safety system BAS PLUS (Brake Assist System
PLUS)  ............................................... 65
EBD (Electronic Brake force
Distribution)  ..................................... 68
ESP ®
 (Electronic Stability
Program)  .......................................... 66
Important safety information  ...........64
Driving safety systems
ABS (Anti-lock Braking System)  .......64
ADAPTIVE BRAKE  ............................. 68
BAS (Brake Assist System)  ..............65
ETS (Electronic Traction System)  .....67
Overview  .......................................... 64
PRE-SAFE ®
 Brake ............................. 68
Driving systems
ATTENTION ASSIST  ........................193
Blind Spot Assist ............................ 194
Cruise control  ................................ 172
DISTRONIC PLUS  ........................... 174
Dynamic handling package with
sports mode  .................................. 183
HOLD function  ............................... 184
Parking Guidance ........................... 189
PARKTRONIC  ................................. 186
Rear view camera  .......................... 192
Driving tips  ........................................ 158
DISTRONIC PLUS  ........................... 182
Downhill gradients  .........................168
Driving on flooded roads  ................170
Wet road surface  ........................... 168
Winter  ............................................ 171
DVD audio (on-board computer)  ...... 205Index7BA 207 USA, CA Edition B 2011; 1; 3, en-USd2sboikeVersion: 3.0.3.62010-05-20T10:38:09+02:00 - Seite 7 

CockpitiIllustration: CoupeFunctionPage:Steering wheel paddle
shifters
159
;Cruise control lever172=Instrument cluster26?HornAPARKTRONIC warning
display
186
BOverhead control panel31COperates the automatic
climate control system
134
FunctionPageDIgnition lock151Start/Stop button151EAdjusts the steering wheel
electrically
113
FCombination switch122GParking brake166HOn-board diagnostic socketIOpens the hood272JReleases the parking brake166KLight switch120Cockpit25At a glanceBA 207 USA, CA Edition B 2011; 1; 3, en-USd2sboikeVersion: 3.0.3.62010-05-20T10:38:09+02:00 - Seite 25  

ROnly use snow chains when driving on an
area completely covered by snow. Do not
exceed the maximum permissible speed of
30 mph (50 km/h). Remove the snow
chains as soon as possible when you are no
longer driving on snow-covered roads.
R Local regulations may restrict the use of
snow chains. Applicable regulations must
be observed if you wish to mount snow
chains.
R Snow chains must not be mounted on
emergency spare wheels.
If you intend to mount snow chains, please
bear the following points in mind:
R you may not attach snow chains to all
wheel-tire combinations; see the "Tires and
wheels" section in the "Technical data"
chapter.
R mount snow chains only in pairs and only
on the rear wheels. Observe the
manufacturer's installation instructions.
!  If snow chains are mounted on the front
wheels, the snow chains could grind
against the bodywork or components of the
chassis. This could result in damage to the
vehicle or the tires.
!  Vehicles with steel wheels
If you wish to mount snow chains to steel
wheels, make sure that you remove the
respective wheels' hubcaps first. The
hubcaps may otherwise be damaged.
i You may wish to deactivate
ESP ®
(Y  page 66) when pulling away with
snow chains installed. This way you can
allow the wheels to spin in a controlled
manner, achieving an increased driving
force (cutting action).
Slippery road surfacesGWarning
If the vehicle becomes stuck in snow, make
sure snow is kept clear of the exhaust pipe
and from around the vehicle with the engine
running. Otherwise, deadly carbon monoxide
(CO) gases may enter vehicle interior
resulting in unconsciousness and death.
To assure sufficient fresh air ventilation, open
a window slightly on the side of the vehicle
not facing the wind.GWarning!
The outside temperature indicator is not
designed to serve as an ice-warning device
and is therefore unsuitable for that purpose.
Indicated temperatures just above the
freezing point do not guarantee that the road
surface is free of ice. The road may still be icy,
especially in wooded areas or on bridges.
GWarning
On slippery road surfaces, never downshift in
order to obtain braking action. This could
result in drive wheel slip and reduced vehicle
control. Your vehicle's ABS will not prevent
this type of loss of control.
You should drive particularly carefully on
slippery road surfaces. Avoid sudden
acceleration, steering and braking
maneuvers. Do not use cruise control or
DISTRONIC PLUS.
If the vehicle threatens to skid or cannot be
stopped when moving at low speed:
XShift the transmission to position  N.
i
For more information on driving with
snow chains, see ( Y page 170).
GWarning
Make sure that you do not endanger other
road users when you apply the brakes.
Driving abroad
An extensive Mercedes-Benz Service network
is also available in other countries. The
Service Hotline's current telephone numbers
for use when you are abroad are to be found
in the "Service24h" section of the Service
Booklet.
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Driving systems
Cruise control
Important safety notes
Cruise control maintains a constant road
speed for you. It brakes automatically in order
to avoid exceeding the set speed. On long and
steep downhill gradients, especially if the
vehicle is laden, you must select shift range
1 , 2  or  3 in good time. By doing so, you will
make use of the braking effect of the engine,
which relieves the load on the brake system
and prevents the brakes from overheating
and wearing too quickly.
Use cruise control only if road and traffic
conditions make it appropriate to maintain a
steady speed for a prolonged period. You can
store any road speed above 20 mph
(30 km/h).
GWarning
The cruise control is a convenience system
designed to assist the driver during vehicle
operation. The driver is and must always
remain responsible for the vehicle's speed
and for safe brake operation.
Only use the cruise control if the road, traffic,
and weather conditions make it advisable to
travel at a constant speed.
R The use of the cruise control can be
dangerous on winding roads or in heavy
traffic because conditions do not allow safe
driving at a constant speed.
R The use of the cruise control can be
dangerous on slippery roads. Rapid
changes in tire traction can result in wheel
spin and loss of control.
R Deactivate the cruise control when driving
in fog.
The "Resume" function should only be
operated if the driver is fully aware of the
previously set speed and wishes to resume
this particular preset speed.
GWarning!
The cruise control brakes automatically so
that the set speed is not exceeded.
Cruise control lever
:To store the current speed or a higher
speed;To store the current speed or a lower
speed=To deactivate cruise control?To store the current speed or to call up
the last stored speed
When you activate cruise control, the stored
speed is shown in the multifunction display
for five seconds. In the multifunction display,
the segments between the stored speed and
the maximum speed light up.
Storing and maintaining the current
speed
You can store the current speed if you are
driving faster than 20 mph (30 km/h).
XAccelerate the vehicle to the desired
speed.XBriefly press the cruise control lever
up  : or down  ; to the pressure point.XRemove your foot from the accelerator
pedal.
Cruise control is activated. The vehicle
automatically maintains the stored speed.
i Cruise control may be unable to maintain
the stored speed on uphill gradients. The
stored speed is resumed when the gradient
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evens out. Cruise control maintains the
stored speed on downhill gradients by
automatically applying the brakes.
Storing the current speed or calling up
the last stored speedGWarning
The set speed stored in memory should only
be set again if prevailing road conditions and
legal speed limits permit. Possible
acceleration or deceleration differences
arising from returning to the preset speed
could cause an accident and/or serious injury
to you and others.
XBriefly pull the cruise control lever towards
you  ?.XRemove your foot from the accelerator
pedal.
The first time cruise control is activated, it
stores the current speed or regulates the
speed of the vehicle to the previously
stored speed.
Setting a speed
GWarning
Keep in mind that it may take a brief moment
until the vehicle has made the necessary
adjustments.
Increase or decrease the set vehicle speed to
a value that the prevailing road conditions and
legal speed limits permit. Otherwise, sudden
and unexpected acceleration or deceleration
of the vehicle could cause an accident and/
or serious injury to you and others.
XPress the cruise control lever to the
pressure point, up  : for a higher speed or
down  ; for a lower speed.XKeep the cruise control lever pressed until
the desired speed is reached.XRelease the cruise control lever.
The new speed is stored.i Cruise control is not deactivated if you
depress the accelerator pedal. For
example, if you accelerate briefly to
overtake, cruise control adjusts the
vehicle's speed to the last speed stored
after you have finished overtaking.
Setting in 1 mph (Canada: 1 km/h)
incrementsXBriefly press the cruise control lever to the
pressure point, up  : for a higher speed or
down  ; for a lower speed.
The last speed stored is increased or
reduced.
Setting in 5 mph (Canada: 10 km/h)
increments
XBriefly press the cruise control lever
beyond the pressure point, up  : for a
higher speed or down  ; for a lower speed.
The last speed stored is increased or
reduced.
Deactivating cruise control
There are several ways to deactivate cruise
control:
XBriefly press the cruise control lever
forwards  =.
or
XBrake.
Cruise control is automatically deactivated if:
R you depress the parking brake.
R you are driving below 20 mph (30 km/h).
R ESP ®
 intervenes or you deactivate ESP ®
.
R you shift the transmission to position  N
while driving.
If cruise control is deactivated, you will hear
a warning tone. You will see the  Cruise 
control off  message in the multifunction
display for approximately five seconds.
i The last speed stored is cleared when you
switch off the engine.
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DISTRONIC PLUS
Important safety notes
DISTRONIC PLUS regulates the vehicle's
speed and automatically helps you maintain
the distance to the vehicle detected in front.
It brakes automatically in order to avoid
exceeding the set speed.
On long and steep downhill gradients,
especially if the vehicle is laden, you must
select shift range  1, 2  or  3 in good time. By
doing so, you will make use of the braking
effect of the engine, which relieves the load
on the brake system and prevents the brakes
from overheating and wearing too quickly.
If a slower-moving vehicle is detected in front,
DISTRONIC PLUS causes your vehicle to
brake and maintain a preset distance to the
vehicle in front.
GWarning!
The DISTRONIC PLUS requires familiarity with
its operational characteristics. We strongly
recommend that you review the following
information carefully before operating the
system.
GWarning!
The DISTRONIC PLUS is a convenience
system. Its speed adjustment reduction
capability is intended to make cruise control
more effective and usable when traffic speeds
vary. It is not however, intended to, nor does
it, replace the need for extreme care.
The responsibility for the vehicle's speed,
distance to the preceding vehicle and, most
importantly, brake operation to ensure a safe
stopping distance, always remains with the
driver.
The DISTRONIC PLUS cannot take street and
traffic conditions into account.
Complex driving situations are not always
fully recognized by the DISTRONIC PLUS. This
could result in wrong or missing distance
warnings.
If you want DISTRONIC PLUS to assist you,
the radar sensor system must be activated
( Y  page 211) and operational.
If there is no vehicle in front, DISTRONIC
PLUS operates in the same way as cruise
control in the speed range between
20 mph (Canada: 30 km/h) and
120 mph (Canada: 200 km/h). If there is a
vehicle in front, DISTRONIC PLUS is
operational in the speed range between
0 mph (Canada: 0 km/h) and
120 mph (Canada: 200 km/h).
Do not use DISTRONIC PLUS while driving on
roads with steep gradients.
As DISTRONIC PLUS emits radar waves, it can
simulate radar detectors used by police
authorities. You can refer to the applicable
section in the Operator's Manual if there are
any questions concerning this.
i USA only:
This device has been approved by the FCC
as a “Vehicular Radar System”. The radar
sensor is intended for use in an automotive
radar system only. Removing, tampering
with, or altering the device will void any
warranties, and is not permitted by the
FCC. Do not tamper with, alter, or use in
any non-approved way.
Any unauthorized modification to this
device could void the user’s authority to
operate the equipment.GWarning!
The DISTRONIC PLUS adaptive cruise control
is not a substitute for active driving
involvement. It does not react to pedestrians
or on stationary objects, nor does it recognize
or predict the curvature and lane layout or the
movement of preceding vehicles. The
DISTRONIC PLUS can only apply a maximum
of 40% of the vehicle's braking power.
The DISTRONIC PLUS may not detect narrow
vehicles possibly driving in front of you, such
as motorcycles and vehicles driving in an
offset formation.
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distance, which creates a danger of a
collision.
Immediately brake the vehicle to increase
your distance to the preceding vehicle. The
warning sound is intended as a final caution
in which you should intercede with your own
braking inputs to avoid a potentially
dangerous situation. Do not wait for the
operation of the warning signal to intercede
with your own braking. This will result in
potentially dangerous emergency braking
which will not always result in an impact being
avoided.
Tailgating increases the risk of an accident.GWarning
DISTRONIC PLUS brakes your vehicle with a
maximum deceleration of 13 ft/s(4 m/s 2
).
This corresponds to approximately 40% of
your vehicle's maximum possible braking
power.
You must apply the brakes yourself to avoid a
collision. DISTRONIC PLUS brakes the vehicle
to restore the set distance to the vehicle in
front or to restore the set speed.
GWarning!
If you do not receive visual or acoustic
warning signals during a critical traffic
situation, DISTRONIC PLUS has either not
recognized the collision risk, has been
deactivated or is malfunctioning.
Remember, whether or not DISTRONIC PLUS
is operating, it is ultimately always the drivers
responsibility to apply the brakes in order to
control the vehicle and avoid a collision.
Cruise control lever:To store the current speed or a higher
speed;To store the current speed or a lower
speed=To deactivate DISTRONIC PLUS?To store the current speed or call up the
last stored speedATo set the specified minimum distance
Activating DISTRONIC PLUS, storing
and maintaining the current speed
Important safety notes
GWarning!
When the DISTRONIC PLUS is switched on,
the vehicle can be braked. You should
therefore switch off the DISTRONIC PLUS if
the vehicle must be towed.
You can activate DISTRONIC PLUS under the
following circumstances:
R the engine has been started and you have
been driving for up to two minutes
R the parking brake is not applied
R ESP ®
 is activated
R the transmission is in position  D
R the hood is closed
R the driver's door is closed and you shift the
transmission from position  P to  D or your
seat belt is fastened
R the front-passenger door is closed
R the vehicle has not skidded
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