trunk release MERCEDES-BENZ S-Class 2008 W221 Comand Manual

Contents
Parktronic system* ...................... 472
Park Assist* ................................. 476
Advanced Parking Guidance*....... 481
Rear View Camera*...................... 487
Night View Assist* ....................... 491
Blind Spot Assist* ........................ 495
Air vents ............................................ 498
Opening and closing air vents ...... 500
Ventilated storage compartment
(Canada only) ............................... 500
Automatic climate control ................. 501
Deactivating climate
control system ............................. 503
Operating climate control system
in automatic mode ....................... 503
Setting temperature ..................... 504
Adjusting air volume .................... 504
Front defroster ............................. 504
Rear window defroster ................. 506
Maximum cooling MAXCOOL
(USA only) .................................... 506
Air recirculation mode.................. 506
Residual engine heat and
ventilation .................................... 509
Rear passenger compartment
climate control* ........................... 509Trunk .................................................. 511
Opening trunk ............................... 511
Closing trunk ................................ 512
Trunk emergency release.............. 516
Valet locking ................................. 517
Power tilt/sliding sunroof................... 518
Opening and closing
power tilt/sliding sunroof ............. 518
Synchronizing ............................... 520
Panorama roof with power
tilt/sliding panel* ............................... 521
Roller sunblinds ............................ 521
Opening and closing panorama
roof with power tilt/sliding panel.. 522
Synchronizing ............................... 524
Loading and storing ............................ 525
Roof rack* .................................... 525
Loading instructions ..................... 525
Storage compartments ................. 526
Cupholders ................................... 530
Trunk ............................................ 532
Useful features ................................... 534
Sun visors ..................................... 534
Vanity mirror in rear...................... 534
Rear window sunshade ................. 535
Ashtrays........................................ 536Cigarette lighters .......................... 537
Power outlet ................................. 538
Floormats* ................................... 538
Telephone* ................................... 539
Tele Aid ......................................... 542
Garage door opener ...................... 551
Infrared reflecting windshield ....... 556
Operation.......................................... 557
The first 1000 miles (1500 km) .......... 558
Driving instructions ............................ 559
Drive sensibly – save fuel ............. 559
Drinking and driving...................... 559
Pedals ........................................... 559
Power assistance .......................... 559
Brakes .......................................... 560
Driving off ..................................... 562
Parking ......................................... 562
Tires.............................................. 563
Hydroplaning ................................ 563
Tire traction .................................. 564
Tire speed rating ........................... 564
Winter driving instructions ............ 565
Standing water ............................. 566
Passenger compartment............... 567

361 Controls in detail
Locking and unlocking

Restoring to factory setting: Press
and hold buttonsŒ and‹ si-
multaneously for about 5 seconds until
battery check lamp5 (
page 358)
flashes twice.
SmartKey with KEYLESS-GO*
Vehicles equipped with KEYLESS-GO come
with two SmartKeys with KEYLESS-GO,
each with remote control and a removable
mechanical key.
The KEYLESS-GO function is integrated
into the SmartKey. On these vehicles, the
validity of the SmartKey with KEYLESS-GO
is checked every time you grasp an outside
door handle.
With the KEYLESS-GO function, you can
lock and unlock the vehicle without using
the remote control buttons on the
SmartKey and start the engine without in-
serting the SmartKey in the starter switch.The SmartKey with KEYLESS-GO centrally
locks and unlocks, when set to factory set-
tings (
page 364):


the doors


the trunk


the fuel filler flap
SmartKey with KEYLESS-GO1‹ Lock button
2ŠOpening button for trunk
(
page 511)
3Locking tab for mechanical key
4ΠUnlock button
5Battery check lamp
6ÂPanic button (
page 66)
i
When any outside door handle other than
the driver’s outside door handle is grasped, the
vehicle is centrally unlocked.
!
To prevent possible malfunction, avoid ex-
posing the SmartKey with KEYLESS-GO to high
levels of electromagnetic radiation.
Warning!
G
When leaving the vehicle, always take the
SmartKey with KEYLESS-GO* with you and
lock the vehicle. Do not leave children unat-
tended in the vehicle, or with access to an
unlocked vehicle. A child’s unsupervised ac-
cess to a vehicle could result in an accident
and/or serious personal injury.
Children could start the vehicle with a valid
SmartKey with KEYLESS-GO left in the vehi-
cle or with the KEYLESS-GO button on the
starter switch, or could release the electron-
ic parking brake, thereby putting them-
selves and others in danger. Switch off the
engine and take the SmartKey with
KEYLESS-GO with you even if you are only
leaving the vehicle for a short while.

423 Controls in detail
Driving and parking
1Handle for electronic parking brake
Manually releasing electronic parking
brake
Pull handle1.
The red indicator lamp 0 (USA only)
or ! (Canada only) in the instru-
ment cluster goes out.
You cannot release the electronic parking
brake until the ignition is switched on.Automatically releasing electronic park-
ing brake
Your vehicle’s electronic parking brake is
automatically released when:


The engine is running.


Transmission is in drive positionD or
reverse gearR.


The hood is closed.


You have fastened your seat belt.


You step on the accelerator pedal.
If reverse gearR is engaged, the trunk
must be closed. Manually engaging electronic parking
brake

Press handle1.
The red indicator lamp 0 (USA only)
or ! (Canada only) in the instru-
ment cluster comes on.
i
If you have not fastened your seat belt, the
following conditions must be met in order for the
electronic parking brake to be automatically re-
leased:


The driver’s door is closed.


You must move the gear selector out of park
positionP position or drive faster than 2 mph
(3 km/h).
i
You can also engage the electronic parking
brake when the SmartKey is removed from the
starter switch.

424 Controls in detailDriving and parkingAutomatically engaging electronic park-
ing brake* (USA only)
Your vehicle’s electronic parking brake is
automatically engaged when DISTRONIC
Plus* (
page 451) brings your vehicle to a
standstill and at least one of the following
conditions is met:


The engine is switched off.


The driver’s door is opened and the
seat belt is not inserted in the seat belt
buckle.


The hood is released.


The trunk lid is open while reverse
gearR is engaged.


The vehicle is parked for an extended
period of time.
The red indicator lamp 0 (USA only) or
! (Canada only) in the instrument clus-
ter comes on.Emergency braking with electronic
parking brake
In an emergency situation, you can also
brake your vehicle while driving by using
the electronic parking brake.

While driving, press handle for elec-
tronic parking brake (
page 422).
During the braking procedure, the red indi-
cator lamp 0 (USA only) or !
(Canada only) flashes in the instrument
cluster, the message “Please Release Park-
ing Brake” appears on the multifunction
display and you will hear a warning tone.
Once the vehicle comes to a complete stop
the electronic parking brake will engage.
Turning off the engine 
Shift the automatic transmission toP
(page 430).
i
In addition to the electronic parking brake,
park position P can be automatically engaged.
i
Your vehicle will be braked for as long as you
press and hold the switch for the electronic park-
ing brake. The longer you keep the electronic
parking brake pressed, the more strongly your
vehicle will be braked. This method occurs on all
4 wheels, not just the rear wheels.
i
If the engine cannot be turned off as de-
scribed, see “Emergency engine shut-down”
(
page 744).Warning!
G
Do not turn off the engine before the vehicle
has come to a complete stop. With the en-
gine not running, there is no power assis-
tance for the brake and steering systems. In
this case, it is important to keep in mind that
a considerably higher degree of effort is nec-
essary to brake and steer the vehicle.!
Observe instructions


when taking the vehicle through an
automatic conveyor type car wash
(page 618)


when towing the vehicle (
page 737)

431 Controls in detail
Automatic transmission
!
DISTRONIC Plus*:
The transmission will shift to park positionP
automatically, only when DISTRONIC Plus brings
your vehicle to a standstill, and when it meets at
least one of the following conditions at the same
time:


The engine is turned off.


The driver’s or passenger door opens and
the seat belt is not engaged in the buckle.


The hood is released.


The trunk lid is open while reverse gearR is
engaged.


The vehicle is parked for an extended period
of time.
In addition to shifting to park positionP, the
electronic parking brake will be engaged auto-
matically.
i
Make it a practice to always shift into park
positionP before turning off the engine and


remove the SmartKey from the starter
switch
or


open a front door
or when using KEYLESS-GO*, before turning off
the engine with the start/stop button and open-
ing a front door.
Effect
í
Reverse gear
Shift into reverse gearR only
when the vehicle is stopped.
ë
Neutral
No power is transmitted from the
engine to the drive axle. When
the brakes are released, the
vehicle can be moved freely
(pushed or towed).
To avoid damage to the trans-
mission, never shift into neutral
positionN while driving.
If the ESP
® is deactivated or
malfunctioning:
Shift into neutral positionN only
if the vehicle is in danger of
skidding, e.g. on icy roads.
Effect

512 Controls in detailTrunkVehicles with trunk opening/closing
system*
1Remote trunk opening/closing* switch
Press and hold switch1 until the
trunk is opened.
The indicator lamp in switch1 comes
on and remains lit until the trunk is
closed.
To interrupt the opening procedure:

Release switch1.Trunk opening-height restriction*
Vehicles with trunk opening/closing sys-
tem*:
The trunk lid opening height can be limited
when transporting goods on a roof rack
(e.g. presence of an optional MB sport lug-
gage container). When activated, the trunk
opens to approximately the height of the
roof edge.

Activate the limiting opening height of
trunk lid using the COMAND system
(page 272).
Closing trunki
Do not place the SmartKey in the open
trunk. You may lock yourself out.
i
If the vehicle was previously centrally
locked, the trunk will lock automatically after
closing it. All turn signal lamps flash three times
to confirm locking.
Vehicles with KEYLESS-GO*: To prevent a possi-
ble inadvertent lockout, the trunk will open auto-
matically if a SmartKey with KEYLESS-GO* is
recognized inside the vehicle or in the trunk.

515 Controls in detailTrunk
1KEYLESS-GO locking/closing switch
Make sure you have the SmartKey with
KEYLESS-GO with you.

Press switch1 briefly.
With all doors closed:

The locking knobs in the doors
move down.


The trunk starts to close automati-
cally.


All turn signal lamps flash three
times to confirm locking once the
trunk has closed completely.


An acoustic signal sounds three
times (if equipped and feature acti-
vated).


The anti-theft alarm system is
armed.Closing trunk from inside
automatically*
i
If the trunk lid comes into contact with an
object while closing (e.g. luggage that has been
piled too high) in the upper motion sequence, the
closing procedure is stopped and the trunk re-
opens slightly.
Warning!
G
Maintain sight of trunk area while operating
door mounted switch. Monitor the closing
procedure carefully to make sure no one is
in danger of being injured.
To interrupt the closing procedure, release
the door mounted remote trunk open-
ing/closing* switch.
Even with the SmartKey or SmartKey with
KEYLESS-GO* removed from the starter
switch or the SmartKey with KEYLESS-GO*
removed from the vehicle, the remote trunk
opening/closing* switch can be operated.
Therefore, do not leave children unattended
in the vehicle, or with access to an unlocked
vehicle. A child’s unsupervised access to a
vehicle could result in an accident and/or
serious personal injury.

516 Controls in detailTrunkIn vehicles with trunk opening/closing sys-
tem* you can close the trunk from the in-
side using the remote trunk opening/
closing* switch.
1Remote trunk opening/closing* switch
(vehicles with trunk opening/closing
system*)

Press and hold switch1 until the
trunk is closed.
The indicator lamp in the switch goes
out when the trunk is closed.
To interrupt the closing procedure:

Release switch1.
Trunk emergency release
With the emergency release button, the
trunk can be opened from inside the trunk.
1Emergency release button
Briefly press emergency release
button1.
The trunk opens.
i
If the trunk lid comes into contact with an
object while closing (e.g. luggage that has been
piled too high) in the upper motion sequence, the
closing procedure is stopped and the trunk re-
opens slightly.
i
The emergency release button unlocks and
opens the trunk while the vehicle is standing still
or in motion.

517 Controls in detailTrunk
Illumination of the emergency release but-
ton:

The button will flash for 30 minutes af-
ter opening the trunk.


The button will flash for 60 minutes af-
ter closing the trunk.
Valet locking
1Neutral position
2Locked
Close the trunk (
page 512).

Remove the mechanical key from the
SmartKey (
page 708).

Insert the mechanical key in the trunk
lid lock.

Turn the mechanical key clockwise to
position 2 to lock the trunk.
The trunk remains locked even when the
vehicle is centrally unlocked.

Insert the mechanical key in the trunk
lid lock.

Turn the mechanical key counterclock-
wise to neutral position 1 to unlock the
trunk.
You can now open the trunk
(page 511).
i
The emergency release button does not
open the trunk if the vehicle battery is dis-
charged or disconnected.
i
To deny any unauthorized person access to
the trunk, e.g. when you valet park the vehicle,
lock it separately with the mechanical key. Leave
only the SmartKey or SmartKey with
KEYLESS-GO* less its mechanical key with the
vehicle.
i
You can only cancel the separate trunk lock-
ing mode by means of the mechanical key.

526 Controls in detailLoading and storing
Storage compartments Storage compartments in the front pas-
senger compartment
Glove box
The glove box can be unlocked and locked
with the mechanical key (
page 708).

Opening: Press glove box lid
release1.

Closing: Push the lid up.
To help avoid personal injury during a colli-
sion or sudden maneuver, exercise care
when transporting cargo. Put luggage or car-
go in the trunk if possible.
Do not pile luggage or cargo higher than the
seat backs. Do not place anything on the
rear-window shelf.
Never drive vehicle with trunk open. Deadly
carbon monoxide (CO) gases may enter ve-
hicle interior resulting in unconsciousness
and death.
Warning!
G
To help avoid personal injury during a colli-
sion or sudden maneuver, exercise care
when storing objects in the vehicle. Put lug-
gage or cargo in the trunk if possible. Do not
pile luggage or cargo higher than the seat
backs.
Parcel nets cannot secure hard or heavy ob-
jects.
Keep compartment lids closed. This will help
to prevent stored objects from being thrown
about and injuring vehicle occupants during

braking


vehicle maneuvers or


an accident.
i
An overview of the storage compartments
can be found on (
page 36).
1
Glove box lid release
2
Unlocking glove box
3
Locking glove box