Driving safet
ysystems
ABS (Anti-lock Braking System) .......59
ADAPTIVE BRAKE ............................. 65
BAS (Brake Assist System) ..............60
BAS PLUS (Brake Assist System
PLUS) .............................................. .60
Electroni cbrake force distribution ...64
ESP ®
(Electronic Stability Program) .61
ETS (Electronic Traction System) .....62
Important safety information ...........59
Overview .......................................... 59
PRE-SAFE ®
Brake ............................ .65
Driving systems
ATTENTION ASSIST ........................ 184
Blind Spot Assist ............................ 185
Cruis econtrol ................................ 163
Display message ............................ 228
DISTRONI CPLUS ........................... 166
Driving Assistance package ...........185
Dynami chandling package ............176
HOLD function ............................... 176
Lane Keeping Assist ......................187
Parking Guidance ........................... 181
PARKTRONI C................................. 178
Driving tips
Automatic transmission .................147
Brakes ........................................... 160
Break-in period .............................. 134
DISTRONI CPLUS ........................... 174
Downhill gradient ........................... 160
Drinking and driving .......................159
Driving abroad ............................... 106
Driving in winter ............................ .163
Driving on flooded road s................ 162
Driving on wet road s...................... 162
Exhaus tcheck ............................... 159
Fuel ................................................ 159
General .......................................... 158
Hydroplaning ................................. 162
Icy road surfaces ........................... 163
Limited braking efficiency on
salted road s................................... 161
Snow chains .................................. 311
Symmetrical low bea m.................. 106
Wet road surface ........................... 161Drowsiness detection assistance
system
see ATTENTION ASSIST
DVD audio
Operating (on-board computer) .....199
DVD video
Operating (on-board computer) .....200
Dynamic handling package
Function/notes ............................. 176 E
EASY-ENTRY feature Activating/deactivating .................206
Function/notes ................................ 99
EASY-EXIT feature
Crash-responsive ........................... 100
Function/notes ................................ 99
Switching on/off ........................... 206
EBD (electronic brake force
distribution)
Display message ............................ 214
Function/notes ................................ 64
ECO display
Function/notes ............................. 159
On-board computer .......................196
ECO start/stop function
Deactivating/activating .................140
General information .......................139
Important safety notes ..................139
Electronic Stability Program
see ESP ®
(Electroni cStability Program)
Electronic Traction System
see ETS (Electronic Traction System)
Emergenc yrelease
Driver's door .................................... 78
Trunk ............................................... 81
Vehicle ............................................. 78
Emergency spare wheel
Important safety notes ..................339
Points to remember .......................339
Removing ....................................... 340
Stowing .......................................... 340
Technical data ............................... 343
Emergency Tensioning Devices
Function .......................................... .55
Safety guideline s............................. 408
Index
Definition of term
s......................... 327
Direction of rotatio n...................... 330
Display message ............................ 234
Distributio nofthe vehicle
occupants (definition) ....................329
DOT, Tire Identification Number
(TIN) .............................................. .326
DOT (Department of
Transportation) (definition) ............327
GAWR (Gross Axle Weight Rating)
(definition) ..................................... 328
GVW (Gross Vehicle Weight)
(definition) ..................................... 328
GVWR (Gross Vehicle Weight
Rating) (definition) .........................328
Important safety notes ..................308
Increased vehicle weight due to
optional equipment (definition) ......328
Kilopascal (kPa) (definition) ...........328
Labeling (overview )........................ 323
Load bearing index (definition) ......329
Load index ..................................... 326
Load index (definition) ...................328
Maximum loaded vehicle weight
(definition) ..................................... 328
Maximum load on a tire (definition) 328
Maximum permissible tire
pressure (definition) ....................... 328
Maximum tire loa d......................... 326
Maximum tire load (definition) .......328
MOExtended tires ..........................310
Optional equipment weight
(definition) ..................................... 329
Overview ........................................ 308
PSI (pounds per square inch)
(definition) ..................................... 328
Replacing ....................................... 329
Service life ..................................... 310
Sidewall (definition) .......................329
Speed rating (definition) ................328
Storing ........................................... 330
Structure and characteristics
(definition) ..................................... 327
Temperature .................................. 323
TIN (Tire Identification Number)
(definition) ..................................... 329
Tire bea d(definition) ...................... 329
Tire pressure (definition) ................329Tire pressures (recommended
)...... 327
Tire size (data) ............................... 335
Tire size designation, load-bearing
capacity, speed rating .................... 323
Tire tread ....................................... 309
Tire tread (definition) .....................329
Total load limit (definition) .............329
Traction ......................................... 322
Traction (definition) .......................329
Trea dwear ..................................... 322
Uniform Tire Quality Grading
Standard s...................................... 322
Uniform Tire Quality Grading
Standard s(definition) .................... 327
Unladen weight (definition) ............328
Wea rindicato r(definition) .............329
Whee lrim (definition ).................... 328
see Flat tire
Towing
Important safety guidelines ...........301
Installing the towing eye ................302
Removing the towing eye. ..............302
With the rear axle raised ................302
Towing away
With both axles on the ground .......302
Tow-starting
Emergency engine starting ............303
Important safety notes ..................301
Installing the towing eye ................302
Removing the towing eye. ..............302
Transmission
Selector leve r................................ 145
see Automatic transmission
see Manual transmission
Transporting the vehicle ..................303
Trim pieces (cleaning instructions) .286
Trip computer (on-board computer) 196
Trip odometer Calling up ....................................... 196
Resetting (on-board computer) ......197
Trunk
Emergency release ..........................81
Important safety notes ....................79
Locking separatel y........................... 80
Opening/closing (manually from
outside) ............................................ 80 Index
17
0006
Locking
X Turn the mechanical key clockwise as far
as it will go to position 0006.
X Turn the mechanical key back and remove
it.
X Make sure that the doors and the trunk lid
are locked.
X Insert the mechanical key into the
SmartKey.
i If you lock the vehicle as described above,
the fuel filler flap is not locked. The anti-
theft alarm system is not armed. Trunk
Important safety notes
G
WARNING
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave childre nunsupervised in the
vehicle, eve nifthey are secured in a child
restraint system, and do not give them access
to an unlocked vehicle. Achild's unsupervised
access to a vehicle could result in an accident
and/or serious personal injury. They could:
R injure themselves on vehicle parts
R be seriously or fatally injured by extreme
heat or cold
R injure themselves or have an accident with
vehicle equipment that may still be in
operation even after the SmartKey has
been removed from the ignition, such as the seat adjustment, steering wheel
adjustment or memory function.
If children open a door, they could cause
severe or even fatal injury to other persons; if
they get out of the vehicle, they could injure
themselves when doing so or be seriously or
even fatally injured by any passing traffic.
Do not expose the child restraint system to
direct sunlight. The child restraint system's
metal parts, for example, could become very
hot, and a child could be burned on these
parts. G
WARNING
Do not carry heavy or hard objects in the
passenger compartmentort runk unless they
are firmly secured in place.
Unsecured or improperly positioned cargo
increases a child's risk of injury in the event
of
R strong braking maneuvers
R sudden changes of direction
R an accident G
WARNING
Make sure the trunk lid is closed when the
engine is running and while driving. Among
other dangers, deadly carbon monoxide (CO)
gases may enter the vehicle interior resulting
in unconsciousness and death.
! The trunk lid swings upwards when
opened .Therefore, make sure that there is
sufficient clearance above the trunk lid.
i Opening dimensions of the trunk lid
(Y page 353).
Do not leave the SmartKey in the trunk. You
could otherwise lock yourself out.
The trunk lid can be:
R opened and closed from outside
R opened automatically from outside
R locked separately
R unlocked with the mechanical key
R opened with the emergency release button Trunk
79Opening/closing Z
0006
Basic position
0007 Locking
X Inser tthe mechanical key into the trunk lid
lock as far as the stop.
X Turn the mechanical key clockwise from
position 0006to position 0007.
X Remove the mechanical key.
X Insert the mechanical key into the
SmartKey. Unlocking the trunk (mechanical key)
! The trunk lid swings upwards when
opened. Therefore, make sure that there is
sufficient clearance above the trunk lid.
If the trunk cannot be unlocked with the
SmartKey or KEYLESS-GO, use the
mechanical key.
If you use the mechanical key to unlock and
open the trunk lid, the anti-theft alarm system
will be triggered (Y page 67).
X Take the mechanical key out of the
SmartKey (Y page 72).
X Insert the mechanical key into the trunk lid
lock as far as the stop. 0006
Basic position
0007 To unlock
X Turn the mechanical key counter-clockwise
as far as it will go from position 0006to
position 0007.
X Pull the trunk lid handle.
The trunk is unlocked.
X Turn the mechanical key back to position
0006 and remove it.
X Insert the mechanical key into the
SmartKey. Trunk emergency release
You can unlock the trunk lid from the inside
with the emergency release button. X
Press emergency release button 0003briefly.
The trunk lid unlocks and opens.
The trunk lid can be unlocked with the trunk
lid emergency release when the vehicle is
stationary or while driving. Trunk
81Opening/closing Z
The trunk lid emergency release does not
unlock the trunk lid if the battery is
disconnected or discharged.
Trunk lid emergency release light:
R
emergency release button 0003flashes for
30 minutes after the trunk lid is opened
R emergency release button 0003flashes for
60 minutes after the trunk lid is closed Side windows
Important safety notes
G
WARNING
When opening or closing the door windows,
make sure that there is no danger of anyone
being harmed by the opening/closing
procedure.
The frontd oor windows are equipped with
automatic operation and the anti-entrapment
feature. If in automatic mode a front door
window encounters an obstruction that
blocks its path, the anti-entrapment feature
will stop the door window and open it slightly.
The door windows operate differently when
the switch is pulled. See the "Problems with
door windows" section for more details.
The closing of the door windows can be
immediately halted by releasing the switch or,
if the switch was pulled past the resistance
point and released, by pressing or pulling the
respective switch.
If a door window encounters an obstruction
that blocks its path in a circumstance where
you are closing the windows by pressing and
holding 000Fbutton on the SmartKey or by
pressing and holding the lock button (vehicles
with KEYLESS-GO) on an outside door handle,
the anti-entrapment feature will not operate. Opening and closing the side
windows in the front
The switches for the front side windows are
located on the driver's door. There is also a switch for the front-passenger side window
on the front-passenger door.
The switches on the driver's door take
precedence.
0003
Left
0004 Right
X Turn the SmartKey to position 1or 2in the
ignition lock.
i You can continue to operate the side
windows after you switch off the engine.
This function is available for up to five
minutes or until the driver's or front-
passenger door is opened.
X To open: press the corresponding switch.
X To close: pull the corresponding switch.
X Automatic operation: press or pull the
corresponding switch beyond the point of
resistance.
The side window opens or closes fully.
X To interrupt automatic operation: press
or pull the corresponding switch again. Opening and closing all side windows
Using the switch on the center console You can use the button on the center console
to close all side windows simultaneously.
X
Open the cover in the lower center console.
The switch for all side windows is under the
cover. 82
Side windowsOpening/closing
X
To open all side windows: press
switch 0003to the point of resistance.
X To open all side windows fully: press
switch 0003beyond the point of resistance.
All side windows open simultaneously.
i If, after opening the windows, you then
close a side window using the switch on the
door control panel, the othe rside windows
will remain open .To close the other side
windows, you must pull the switch on the
center console and hold it. The front side
window will close first, then the rear side
windows.
X To close all side windows: pull
switch 0003.
The rear side windows close after the front
side windows.
X Make sure that all the side windows are
fully closed.
i When the roof is open, only the two front
side windows can be operated using the
switch on the center console.
Using the SmartKey G
WARNING
Make sure that nobody can become trapped
as you close the side windows.
Proceed as follows if there is a risk of
entrapment:
R release the 000Fkey.
R press and hold the 0010key until the side
windows open again. You can use the SmartKey to open or close
all side windows simultaneously.
X
Close the roof (Y page 86).
X Open the trunk partition (Y page 88).
X Vehicles without KEYLESS-GO: point the
tip of the SmartKey at the door handle on
the driver's door.
X Vehicles with KEYLESS-GO: the
SmartKey must be within 6 ft (2 m) of the
vehicle.
X To open all side windows: press
the 0010 button on the SmartKey until the
side windows are fully opened.
X To interrupt the opening procedure:
release the 0010button.
X To close all side windows: press the
000F button on the SmartKey until the side
windows are fully closed.
X To interrupt the closing procedure:
release the 000Fbutton.
Convenience closing with KEYLESS-GO G
WARNING
When using the convenience closing feature,
make sure that nobody can become trapped.
Proceed as follows if there is a risk of
entrapment:
R release the locking button on the door
handle.
R pull the door handle immediately and hold
it.
The side windows open.
With KEYLESS-GO you can close all side
windows simultaneously. The KEYLESS-GO
key must be outside the vehicle. All the doors
must be closed. Side windows
83Opening/closing Z
Attempting to manually close the roof may
cause damage to the roo fand/o rinjury.
For this reason, the manual closing process
should only be carried ou tataqualified
specialist workshop.
! Never sit on the rear shelf or store heavy
objects there. You will otherwise damage
the roof and the rear shelf of your vehicle.
! Do not forget that the weather can
change abruptly. Make certain that the roof
is closed when you leave the vehicle. The
vehicle electronics can be damaged if
water enters the vehicle interior.
! When opening and closing the roof, make
sure that:
R there is sufficien tclearance, as the roof
swings upwards.
R there is sufficien tclearance behind the
vehicle, as the trunk lid swings
backwards beyond the bumper.
R the trunk is only loaded to below the
trunk partition.
R the trunk partition is not pushed up by
the load.
R the trunk partition is closed.
R the trunk lid is closed.
R the outside temperature is above 5‡
( 001A 15 †).
You could otherwise damage the roof,
trunk and other parts of the vehicle.
i Make sure that the roof and rear window
are clea nand dry before opening the roof.
Otherwise, water or dirt could ente rthe
vehicle interior or trunk. Opening and closing using the roof
switch
Important safety notes G
WARNING
Before operating the retractable hardtop
(vario-roof), make sure there is no danger of anyone being injured by the moving parts
(retractable hardtop, roof frame, and trunk
lid).
Hands must never be placed near the roof
frame, upper windshield area, hardtop, shelf
behind roll bars, or trunk lid while the
retractable hardtop is being raised or
lowered. Serious personal injury may occur.
If potential danger exists, release the
retractable hardtop switch or the 0010or
000F button on the SmartKey. This
immediately interrupts the raising or lowering
procedure. You can then operate the
retractable hardtop switch or press the
0010 or000F button on the SmartKey to raise
or lower the retractable hardtop away from
the danger zone.
Opening/closing X
Secure the vehicle against rolling away
(Y page 155).
X Close the trunk partition (Y page 88).
X Close the trunk lid.
X Turn the SmartKey to position 2in the
ignition lock.
X Open the cover in the lower center console.
Roof switch 0003is located under the cover.
X To open: pull roof switch 0003until the roof
has been fully retracted into the trunk and
the Vario-Roof in Operation message
disappears from the multifunction display.
All of the side windows open.
X To close: press roof switch 0003until the roof
is fully closed and the Vario-Roof in86
RoofOpening/closing
Operation message disappears from the
multifunction display.
All of the side windows open.
X To close all side windows, pull the switch
under the cover of the center console
(Y page 82).
i If you operate the roof switch and the
Trunk Partition Open message appears
in the multifunction display, the trunk
partition has not been closed correctly. Opening and closing using the
SmartKey
Important safety notes G
WARNING
Before operating the retractable hardtop
(vario-roof), make sure there is no danger of
anyone being injured by the moving parts
(retractable hardtop, roof frame, and trunk
lid).
Hands must never be placed near the roof
frame, upper windshield area, hardtop, shelf
behind roll bars, or trunk lid while the
retractable hardtop is being raised or
lowered. Serious personal injury may occur.
If potential danger exists, release the
retractable hardtop switch or the 0010or
000F button on the SmartKey. This
immediately interrupts the raising or lowering
procedure. You can then operate the
retractable hardtop switch or press the
0010 or000F button on the SmartKey to raise
or lower the retractable hardtop away from
the danger zone.
Opening/closing X
Close the trunk partition (Y page 88).
X Close the trunk lid (Y page 79).
X Vehicles without KEYLESS-GO: point the
tip of the SmartKey at the door handle on
the driver's door. X
Vehicles with KEYLESS-GO: the
SmartKey must be within 6 ft (2 m) of the
vehicle.
X To open: press and hold the 0010button
on the SmartKey until the roof is fully
opened.
The roof and the rear side windows open.
The front side windows close.
X To interrupt the opening procedure:
release the 0010button.
X To open the front side windows: press
and hold the 0010button on the SmartKey
again.
X To close: press and hold the 000Fbutton
on the SmartKey until the roof is fully
closed.
The roof and the side windows close.
X To interrupt the closing procedure:
release the 000Fbutton.
i When the roof is closed and the trunk
partition is open, the roof cannot be
opened using the SmartKey functions.
Instead, all of the side windows open or
close simultaneously (Y page 82).
Additionally, the Trunk Partition Open message appears in the multifunction
display. Locking the roof again
Important safety notes G
WARNING
Stop the vehicle in a safe location or as soon
as it is safe to do so and lock the retractable
hardtop before continuing to drive. You could
otherwise endanger yourselfa nd others. Roof
87Opening/closing Z