MERCEDES-BENZ R350 2010 W251 Manual PDF
Manufacturer: MERCEDES-BENZ, Model Year: 2010, Model line: R350, Model: MERCEDES-BENZ R350 2010 W251Pages: 364, PDF Size: 7.5 MB
Page 71 of 364

Vehicle equipment ..............................
70
Locking and unlocking .......................70
Starter switch positions ..................... 79
Seats .................................................... 81
Multifunction steering wheel .............91
Mirrors ................................................. 93
Memory function ................................. 96
Lighting ................................................ 97
Wipers ................................................ 103
Power windows ................................. 106
Driving and parking .......................... 110
Automatic transmission ................... 115
Transfer case .................................... 122
Instrument cluster ............................122
Control system .................................. 123
Driving systems ................................ 142
Overview of climate control sys-
tem functions and air vents ............. 162
Climate control ................................. 164
3-zone automatic climate control ... 170
Rear window defroster ..................... 180
Power tilt/sliding sunroof ...............181
Panorama roof with power tilt/
sliding panel ...................................... 184
Loading and storing ..........................186
Useful features ................................. 201 69Controls in detail
251_AKB; 4; 52, en-US
d2ureepe,
Version: 2.11.8.1 2009-03-23T09:22:52+01:00 - Seite 69
Page 72 of 364

Vehicle equipment
i This 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
G
Observe 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.
i 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.
R Check the batteries in the SmartKey and
replace them if necessary.
R Use the mechanical key to unlock the
driver’s door.
R Use the mechanical key to lock the
vehicle.
R Have 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:
R the doors
R the tailgate
R the fuel filler flap Example illustration: SmartKey with KEYLESS-GO
: &
Lock button
; F Unlock button for tailgate
= % Unlock button
i USA 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. 70
Locking and unlockingControls in detail
251_AKB; 4; 52, en-US
d2ureepe,
Version: 2.11.8.1 2009-03-23T09:22:52+01:00 - Seite 70
Page 73 of 364

i
Canada 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.
Factory setting X
Global unlocking: Press button %.
Unless you open a door or the tailgate within
approximately 40 seconds after unlocking
the vehicle:
R The vehicle will be locked again.
R The
antitheft alarm system will be rearmed.
X Global locking: Press button &.
Selective setting If you frequently travel alone, you may wish
to reprogramm the SmartKey. Pressing
button
%
will then only unlock the driver’s
door and the fuel filler flap.
X Switching on/off:
Press and hold buttons
% and & simultaneously for
approximately 6 seconds until the battery
check lamp (Y page 73) flashes twice.
The SmartKey will then function as follows:
X Unlocking driver’s door and fuel filler
flap: Press button % once.
X Global unlocking: Press button %
twice.
X Global locking: Press button &. 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. The validity of the SmartKey is
checked every time you grasp an outside door
handle.
When the SmartKey is valid, your vehicle
unlocks
R the doors
R the fuel filler flap
R the tailgate
i USA 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.
i Canada 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. Locking and unlocking
71
Controls in detail
251_AKB; 4; 52, en-US
d2ureepe, Version: 2.11.8.1 2009-03-23T09:22:52+01:00 - Seite 71 Z
Page 74 of 364

Important notes on using KEYLESS-GO
R
You can also use the SmartKey with
KEYLESS-GO like a normal SmartKey
(Y page 70).
R You can combine KEYLESS-GO functions
with normal SmartKey functions (e.g.
unlocking with KEYLESS-GO and locking
with button &).
R Always carry the SmartKey with you.
R Never store the SmartKey together with:
-Electronic
items such as a mobile phone
or another SmartKey
- Metallic objects such as coins or metal
foil
Doing so could impair the function of the
KEYLESS-GO system.
R To lock or unlock the vehicle, the SmartKey
must be located outside the vehicle within
approximately 3 ft (1 m) of a door or the
tailgate.
R When the vehicle has been parked for more
than 72 hours, the KEYLESS-GO function is
deactivated. Pull an outside door handle
and switch on the ignition once to activate
the KEYLESS-GO function.
R If the SmartKey is positioned farther away
from the vehicle, the system may no longer
recognize the SmartKey. The vehicle
cannot be locked or the engine started via
the KEYLESS-GO system.
R If the SmartKey is removed from the vehicle
(e.g. if a passenger exits the vehicle with
the SmartKey)
-when pressing the KEYLESS-GO start/
stop button or trying to lock the vehicle
with the lock button on an outside door
handle the message Key Not
Detected appears in the multifunction
display
- with the engine running, the red message
Key Not Detected appears in the
multifunction display while driving off Find the SmartKey or change its present
location immediately (e.g. place it on the
front passenger seat or insert it in shirt
pocket).
R If you have started the engine with the
KEYLESS-GO start/stop button, you can
turn it off again by
-pressing the KEYLESS-GO start/stop
button
- inserting the SmartKey into the starter
switch
when the vehicle is at a standstill
and the automatic transmission is in park
position P
R The vehicle could be inadvertently
unlocked if the SmartKey is within 3 ft (1 m)
of the vehicle and
-an outside door handle is splashed with
water
or
- you attempt to clean an outside door
handle
R Remember that the engine can be started
by anyone with a SmartKey that is left
inside the vehicle.
Possibility 1 (One SmartKey in the vehicle,
one SmartKey outside the vehicle):
If you leave the SmartKey behind when
exiting and locking the vehicle, no message
appears in the multifunction display.
Possibility 2 (One SmartKey in the vehicle,
no SmartKey outside the vehicle):
When exiting and trying to lock the vehicle,
the message Key Detected In Vehicle
appears in the multifunction display. The
vehicle will not be locked.
Factory setting X
Global unlocking: Grasp an outside door
handle. 72
Locking and unlocking
Controls in detail
251_AKB; 4; 52, en-US
d2ureepe,
Version: 2.11.8.1 2009-03-23T09:22:52+01:00 - Seite 72
Page 75 of 364

Unless you open a door or the tailgate within
approximately 40 seconds after unlocking
the vehicle:
R
The vehicle will be locked again.
R The antitheft alarm system will be rearmed. X
Global locking: Press lock button : on an
outside door handle.
Selective setting If you frequently travel alone, you may wish
to reprogram the SmartKey. Grasping the
driver’s outside door handle will then only
unlock the driver’s door and the fuel filler flap.
X
Switching on/off: Press and hold buttons
% and & simultaneously for
approximately 6 seconds until the battery
check lamp (Y page 73) flashes twice.
The SmartKey will then function as follows:
X Unlocking driver’s door and fuel filler
flap: Grasp the driver’s outside door
handle.
X Global unlocking: Grasp any outside door
handle other than the driver’s outside door
handle.
X Global locking: Press lock button : on an
outside door handle. Checking SmartKey batteries
Example illustration: SmartKey with KEYLESS-GO
X
Press button & or % on the
SmartKey.
Battery check lamp : comes on briefly to
indicate that the SmartKey batteries are in
order.
If the battery check lamp does not come on
briefly during check, the SmartKey batteries
are discharged.
X Replace the batteries ( Y page 310).
i You can obtain the required batteries at
any authorized Mercedes-Benz Center.
i If the batteries are checked within signal
range of the vehicle, pressing button
& or % will lock or unlock the vehicle
accordingly. Loss of the SmartKey
If you lose your SmartKey or mechanical key,
you should do the following:
X Have the SmartKey deactivated by an
authorized Mercedes-Benz Center.
X Report the loss of the SmartKey or the
mechanical key to your car insurance
company immediately.
X Have the mechanical lock replaced if
necessary.
Any authorized Mercedes-Benz Center will be
glad to supply you with a replacement. Locking and unlocking
73Controls in detail
251_AKB; 4; 52, en-US
d2ureepe, Version: 2.11.8.1 2009-03-23T09:22:52+01:00 - Seite 73 Z
Page 76 of 364

Opening the doors from the inside
You can open a door from the inside even
when it is locked unless it is secured with the
child safety lock ( Y page 61).
Open door only when conditions are safe to
do so. Example illustration driver’s door
If the vehicle has previously been locked with
the SmartKey or with KEYLESS-GO, opening
a door from the inside will trigger the anti-
theft alarm system.
To cancel the alarm, see (
Y page 68).
X Front doors: Pull on inside door
handle ; on the respective front door.
If the door was locked, locking knob : will
move up.
X Rear doors: Pull up locking knob on the
respective rear door to unlock door.
X Pull on the inside door handle on the
respective rear door. Automatic central locking
The doors and the tailgate lock automatically
when the vehicle is set into motion.
You can open a locked front door from the
inside. Open door only when conditions are
safe to do so.
The doors are designed to unlock
automatically after an accident if the force of
the impact exceeds a preset threshold.
The vehicle locks automatically when the
ignition is switched on and the wheels are turning at vehicle speeds of above 9 mph
(15 km/h). You could therefore lock yourself
out when the vehicle is pushed or towed or is
on a test stand.
i
You can also activate or deactivate the
automatic central locking using the control
system (Y page 137). Locking and unlocking from the inside
G
Observe Safety notes, see page 55.
You can lock or unlock the vehicle from the
inside using the central locking switches. This
can be useful, for example, if you want to lock
the vehicle before starting to drive.
The central locking switches do not lock or
unlock the fuel filler flap.
The switches are located in each front door. X
Locking: Press central locking switch ;.
When all doors and the tailgate are closed,
the vehicle locks.
X Unlocking: Press central unlocking
switch :.
You can open a locked front door from the
inside at any time. Open door only when
conditions are safe to do so. 74
Locking and unlockingControls in detail
251_AKB; 4; 52, en-US
d2ureepe,
Version: 2.11.8.1 2009-03-23T09:22:52+01:00 - Seite 74
Page 77 of 364

If the vehicle was previously locked with the
central locking switch
R
and the SmartKey is set to factory settings,
the complete vehicle is unlocked when a
front door is opened from the inside
R and the SmartKey is set to selective
settings, only the front door opened from
the inside is unlocked
If the vehicle has been locked centrally with
the SmartKey or with KEYLESS-GO, it will not
unlock using the central unlocking switch. Tailgate
G
Warning!
Make sure the tailgate is closed when the
engine is running and while driving. Among
other dangers, deadly carbon monoxide (CO)
gases may enter vehicle interior resulting in
unconsciousness and death.
A minimum height clearance of 7.20 ft
(2.20 m) is required to open the tailgate.
Opening the tailgate from the outside X
Pull on handle :.
In vehicles without KEYLESS-GO: The
vehicle must be unlocked.
X Pull tailgate upwards to open. Closing the tailgate from the outside G
Observe Safety notes, see page 55. G
Warning!
To prevent possible personal injury, always
keep hands and fingers away from the cargo
compartment opening when closing the
tailgate. Be especially careful when small
children are around. X
Lower tailgate by pulling firmly on
handles :.
X Close tailgate with hands placed flat on it.
Once the tailgate touches the latch, the
tailgate will pull itself shut automatically.
Opening the tailgate from the inside G
Warning!
Do not leave children unattended in the
vehicle. Children could open the tailgate from
the inside, which could result in an accident
and/or serious personal injury.
! Always make sure there is sufficient
overhead clearance.
You can unlock the tailgate from the third-row
seats and then open it manually. Locking and unlocking
75Controls in detail
251_AKB; 4; 52, en-US
d2ureepe, Version: 2.11.8.1 2009-03-23T09:22:52+01:00 - Seite 75 Z
Page 78 of 364

X
Push handle : in direction of arrow ; and
hold it there.
X From this position, lift handle : in
direction of arrow = and hold it there.
The tailgate is released and can be opened
manually.
i If you do not open the tailgate within a few
seconds, the tailgate lock will engage again
automatically. Additionally, the tailgate will
relock automatically if the vehicle was
locked when the tailgate was released from
the inside.
If the tailgate lock does not engage
automatically and, if applicable, the tailgate
does not relock after a few seconds, you
have to close the tailgate manually
(Y page 75). Power tailgate
G
Warning!
Make sure the tailgate is closed when the
engine is running and while driving. Among
other dangers, deadly carbon monoxide (CO)
gases may enter vehicle interior resulting in
unconsciousness and death.
! The tailgate swings open upwards
automatically. Always make sure there is
sufficient overhead clearance.
A minimum height clearance of 7.20 ft
(2.20 m) is required to open the tailgate. In vehicles with power tailgate, you can
R
open and close the tailgate from the inside
and the outside electrically
R limit the opening height of the tailgate
R interrupt the opening/closing procedure at
any time by
-pressing or pulling the door-mounted
remote tailgate opening/closing switch
- pulling the outside handle on the tailgate
- pressing the tailgate closing switch
- pressing the KEYLESS-GO locking/
closing switch
Notes for operating the tailgate with the
SmartKey:
You can also open, close, and stop the
tailgate by pressing button F on the
SmartKey.
The prerequisites for this are:
R No SmartKey is inserted in the starter
switch.
R KEYLESS-GO: The vehicle’s on-board
electronics must have status 0
(Y page 80).
Opening the tailgate from the outside You can unlock and open the tailgate
simultaneously from the outside when the
vehicle is stationary.
X
Press and hold button F on the
SmartKey until the tailgate unlocks and
begins to open.
While the tailgate is opening, an acoustic
warning sounds.
or
X Vehicles with KEYLESS-GO: Pull on the
handle ( Y page 75). 76
Locking and unlockingControls in detail
251_AKB; 4; 52, en-US
d2ureepe,
Version: 2.11.8.1 2009-03-23T09:22:52+01:00 - Seite 76
Page 79 of 364

Closing the tailgate from the outside
G
Observe Safety notes, see page 55. G
Warning!
Monitor the closing procedure carefully to
make sure no one is in danger of being
injured. To prevent possible personal injury,
always keep hands and fingers away from the
cargo compartment opening when closing the
tailgate. Be especially careful when small
children are around. To stop the closing
procedure, do one of the following:
R Press or pull the remote tailgate opening/
closing switch on the driver’s door.
R Press the tailgate closing switch.
R Press the KEYLESS-GO locking/closing
switch.
R Pull outside handle on the tailgate.
R When no SmartKey is inserted in the starter
switch (vehicles with KEYLESS-GO: Make
sure the vehicle’s on-board electronics
have status 0): Press button F on the
SmartKey.
Do not leave the SmartKey in the vehicle. You
may lock yourself out.
If the vehicle was previously centrally locked
with the SmartKey or KEYLESS-GO, the
tailgate will lock automatically when it is
closed. The turn signal lamps flash three
times to confirm locking. Vehicles without KEYLESS-GO Vehicles with KEYLESS-GO
X
Press tailgate closing switch : or press
and hold button F on the SmartKey until
the tailgate begins to close.
If the tailgate comes into contact with an
object while closing, the closing procedure is
stopped and the tailgate reopens. This may
happen if luggage has been piled too high, for
example.
Closing the tailgate and locking the
vehicle from the outside (vehicles with
KEYLESS-GO) G
Observe Safety notes, see page 55. G
Warning!
Monitor the closing procedure carefully to
make sure no one is in danger of being
injured. To prevent possible personal injury,
always keep hands and fingers away from the
cargo compartment opening when closing the
tailgate. Be especially careful when small
children are around. To stop the closing
procedure, do one of the following:
R Press or pull the remote tailgate opening/
closing switch on the driver’s door.
R Press the tailgate closing switch.
R Press the KEYLESS-GO locking/closing
switch.
R Pull outside handle on the tailgate.
R When no SmartKey is inserted in the starter
switch (vehicles with KEYLESS-GO: Make
sure the vehicle’s on-board electronics Locking and unlocking
77Controls in detail
251_AKB; 4; 52, en-US
d2ureepe, Version: 2.11.8.1 2009-03-23T09:22:52+01:00 - Seite 77 Z
Page 80 of 364

have status 0): Press button
F on the
SmartKey.
You can close the tailgate and lock the vehicle
simultaneously from the outside using the
KEYLESS-GO locking/closing switch. X
Make sure you have the SmartKey with you.
X Press KEYLESS-GO locking/closing
switch : briefly.
The tailgate closes.
Once the tailgate and all doors are closed:
R
The vehicle locks.
R The turn signals flash three times to
confirm locking.
R The locking knobs in the doors move
down.
R The anti-theft alarm system is armed.
If the tailgate comes into contact with an
object while closing, the closing procedure is
stopped and the tailgate reopens. This may
happen if luggage has been piled too high, for
example.
The closing process is stopped if the system
cannot recognize a SmartKey with KEYLESS-
GO anymore. Make sure the SmartKey with
KEYLESS-GO is within approximately 3 ft
(1 m) of the tailgate. Repeat the closing
procedure if necessary.
The tailgate remains unlocked when a
SmartKey with KEYLESS-GO is recognized
inside the vehicle to prevent a possible
inadvertent lockout. In this case, the turn
signals will not flash and the anti-theft alarm
will be triggered when the tailgate is opened. Opening/closing the tailgate from the
inside Opening
G
Observe Safety notes, see page 76. G
Warning!
Maintain sight of the area around the rear of
the vehicle while operating the tailgate with
the door-mounted remote tailgate switch.
Monitor the opening procedure carefully to
make sure no one is in danger of being
injured.
To interrupt the opening procedure, press or
pull the door-mounted remote tailgate switch.
When the SmartKey is not inserted in the
starter switch (vehicles with KEYLESS-GO:
Make sure the vehicle’s on-board electronics
have status 0): Press button F on the
SmartKey.
You can unlock and open the tailgate
simultaneously from the driver’s seat when
the vehicle is stationary. X
Pull remote tailgate opening/closing
switch : until the tailgate begins to open.
While the tailgate is opening, an acoustic
warning sounds.
Closing G
Observe Safety notes, see page 55. G
Warning!
Maintain sight of the area around the rear of
the vehicle while operating the tailgate with 78
Locking and unlockingControls in detail
251_AKB; 4; 52, en-US
d2ureepe,
Version: 2.11.8.1 2009-03-23T09:22:52+01:00 - Seite 78