MERCEDES-BENZ R320 2010 W251 Owner's Manual

Vehicle equipment ............................
270
Where will I find ...? .......................... 270
Vehicle status messages in the
multifunction display ....................... 274
What to do if … .................................. 299
Unlocking/locking manually ...........308
Resetting activated NECK-PRO
active front head restraints .............310
Replacing SmartKey batteries ......... 310
Replacing bulbs ................................. 312
Replacing wiper blades ....................317
Flat tire .............................................. 319
Bleeding the fuel system (diesel
engine only) ....................................... 331
AdBlue ®
(diesel engine only) ...........331
Battery ............................................... 333
Jump starting .................................... 336
Towing the vehicle ............................338
Fuses .................................................. 340 269Practical hints
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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. Where will I find ...?
First aid kit
i Check expiration dates and contents for
completeness at least once a year and
replace missing/expired items.
The first aid kit is located in the space
underneath the cargo compartment floor. To
lift the cargo compartment floor, see “Vehicle
tool kit” (Y page 270). Example illustration R 350 BlueTEC
:
First aid kit Vehicle tool kit
The vehicle tool kit is located in the space
underneath the cargo compartment floor.
The vehicle tool kit includes:
R Alignment bolt 16
R Collapsible wheel chock 16
R Electric air pump 16 R
Fuse chart
R Jack 16
R Reversible ratchet for jack 16
R Towing eye bolt
R Wheel wrench 16
R Spare wheel bolts 16
X Removing: Open the tailgate ( Y page 75). X
Push in floor handle ; as indicated by
arrow.
X Lift cargo compartment floor : using floor
handle ;. X
Release securing hook = (located below
the floor handle) from holder.
16 Vehicles with spare wheel only. 270
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X
Engage securing hook = on upper cargo
compartment lip ?.
! With the cargo compartment cover blind
installed behind the third-row seats,
disengage cargo compartment cover blind
and flip it forward. Otherwise the strap of
the securing hook could damage the cargo
compartment cover blind.
! To prevent damage, always disengage the
securing hook from upper cargo
compartment lip and lower the cargo
compartment floor before closing the
tailgate.
Vehicles without spare wheel i
Vehicles without spare wheel are not
factory-equipped with the tools required for
a wheel change such as a jack or a wheel
wrench. Some tools required for a wheel
change are specific to your vehicle.
Contact an authorized Mercedes-Benz
Center to obtain the tools approved for
your vehicle. The illustration shows the
vehicle retrofitted with the necessary tools
for a wheel change. :
Wheel wrench
; Towing eye bolt
= Alignment bolt
? Jack
A Collapsible wheel chock
B Fuse chart
C Reversible ratchet for jack
Vehicles with spare wheel :
Wheel wrench
; Electric air pump
= Mounting direction indicator
? Fuse chart
A Alignment bolt
B Collapsible wheel chock
C Towing eye bolt
D Spare wheel bolts
E Storage well casing
F Reversible ratchet for jack
G Jack Where will I find ...?
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Collapsible wheel chock
The collapsible wheel chock serves to secure
the vehicle, e.g. while changing a wheel.
X
Take the collapsible wheel chock from the
vehicle tool kit (Y page 270). X
Setting up: Tilt both plates upward :.
X Fold the lower plate outward ;.
X Guide the tabs of the lower plate all the way
into the openings of base plate =.
For information on where to place wheel
chocks when changing a wheel, see “Lifting
the vehicle” ( Y page 324).
Jack G
Warning!
Only use the jack supplied with your vehicle
to lift the vehicle briefly for wheel changes. If
you use the jack for any other purpose, you or
others could be injured, as the jack is
designed only for the purpose of changing a
wheel.
When using the jack, observe the safety notes
in the “Mounting the spare wheel” section and
the notes on the jack.
X Take the jack from the vehicle tool kit
(Y page 270). Storage position
X
Take the reversible ratchet from the vehicle
tool kit ( Y page 270). Operational position
X
Attach reversible ratchet ; to jack : in
such a way that the word UP can be seen.
Before placing the jack and the reversible
ratchet back into the vehicle tool kit:
X Fully collapse the jack (storage position).
X Remove the reversible ratchet. Spare wheel
G
Observe Safety notes, see page 319.
i The R 350 BlueTEC does not have a spare
wheel.
The spare wheel is located in the space
underneath the cargo compartment floor. 272
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X
Removing: Open the tailgate ( Y page 75).
X Lift the cargo compartment floor and
secure it on the upper cargo compartment
lip ( Y page 270).
! To prevent damage, always disengage the
securing hook from upper cargo
compartment lip and lower the cargo
compartment floor before closing the
tailgate.
X Remove the jack from the vehicle tool kit
(Y page 271). X
Remove retaining screw : by turning it
counterclockwise.
i If retaining screw : does not come
loose, turn storage well casing = slightly
counterclockwise. Retaining screw :
should then come loose easily.
X Turn storage well casing = by
approximately 180°.
The electric air pump ( Y page 271) points
towards the rear.
X Remove storage well casing =.
X Remove spare wheel ;.
For information on mounting the spare wheel,
see “Flat tire” ( Y page 319).
Storing the spare wheel after use There are two guide pins in the spare wheel
well that serve to hold the spare wheel in
place. X
Place the spare wheel into the spare wheel
well. X
Make sure the spare wheel is placed
precisely on guide pins :.
X Place storage well casing = (Y page 273)
into the spare wheel.
The electric air pump ( Y page 271) must
point to the rear.
X Turn storage well casing = (Y page 273)
by approximately 180°.
The electric air pump ( Y page 271) points
in direction of travel.
i The storage well casing should now be
positioned according to the mounting
direction indicators (Y page 271).
X Secure the spare wheel by turning retaining
screw : (Y page 273) clockwise.
X Place the jack into the vehicle tool kit
(Y page 271). Where will I find ...?
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Vehicle status messages in the
multifunction display
Notes
Warning and malfunction messages appear in
the multifunction display located in the
instrument cluster.
Certain warning and malfunction messages
are accompanied by an audible signal.
Address these messages accordingly and
follow the additional instructions given in this
Operator’s Manual.
Selecting the Vehicle status message
memory menu in the control system
(Y page 130) displays both cleared and
uncleared messages.
High-priority messages appear in the
multifunction display in red color.
Certain messages of high priority cannot be
cleared from the multifunction display using
the reset button (Y page 122) or button
&, *, U or V on the
multifunction steering wheel.
Other messages of high priority and
messages of less immediate priority can be
cleared from the multifunction display using
the reset button or button &, *,
U or V on the multifunction steering
wheel. They are then stored in the Vehicle
status message memory menu
(Y page 130). Remember that clearing a
message will only make the message
disappear. Clearing a message will not
correct the condition that caused the
message to appear. G
Warning!
All categories of messages contain important
information which should be taken note of
and, where a malfunction is indicated,
addressed as soon as possible at an
authorized Mercedes-Benz Center.
Failure to repair the condition noted may
cause

damage not covered by the Mercedes-
Benz Limited Warranty, or result in property
damage or personal injury. G
Warning!
No messages will be displayed if either the
instrument cluster or the multifunction
display is inoperative.
As a result, you will not be able to see
information about your driving conditions,
such as
R speed
R outside temperature
R warning/indicator lamps
R malfunction/warning messages
R failure of any systems
Driving characteristics may be impaired.
If

you must continue to drive, do so with added
caution. Contact an authorized Mercedes-
Benz Center as soon as possible.
On the pages that follow, you will find a
compilation of the most important warning
and malfunction messages that may appear.
For your convenience the messages are
divided into text messages ( Y page 275) and
symbol messages ( Y page 285).274
Vehicle status messages in the multifunction display
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Text messages
Safety systems Display messages
Possible causes/consequences and
X SolutionsABS ABS, ESP
Inoperativ
e
See
Operator’s
Manual The brake system is still functioning normally but due to a
malfunction, the ABS, the BAS, the ESP
®
, and the PRE-
SAFE ®
system are unavailable.
X Continue driving with added caution. Wheels may lock
during hard braking, reducing steering capability.
X Have the system checked at an authorized Mercedes-Benz
Center as soon as possible.
Failure to follow these instructions increases the risk of an
accident. ABS ABS, ESP
Unavailabl
e
See
Operator’s
Manual The self-diagnosis may not be completed yet.
The
display will clear after driving a short distance at a vehicle
speed of above 12 mph (20 km/h). ABS ABS, ESP
Unavailabl
e See
Operator’s
Manual The brake system still functions normally but due to
insufficient power supply, the ABS, the BAS, the ESP
®
, and
the PRE-SAFE ®
system are unavailable.
When

the voltage is above the required value again, the ABS,
the BAS, the ESP ®
, and the PRE-SAFE ®
system are
operational again and the message should disappear.
X If the message does not disappear: Have the system
checked at an authorized Mercedes-Benz Center as soon
as possible. ESP Inoperativ
e See
Operator’s
Manual
In addition, the yellow ESP
®
warning lamp d comes on.
The brake system is still functioning normally but due to a
malfunction the BAS, the ESP ®
, and the PRE-SAFE ®
system
are unavailable.
The ABS may not be operational.
X Continue driving with added caution. Wheels may lock
during hard braking, reducing steering capability.
X Have the system checked at an authorized Mercedes-Benz
Center as soon as possible.
Failure to follow these instructions increases the risk of an
accident. Vehicle status messages in the multifunction display
275
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Display messages
Possible causes/consequences and
X SolutionsESP Unavailabl
e See
Operator’s
Manual The brake system still functions normally but due to
insufficient power supply the ESP
®
, the BAS, and the
PRE-SAFE ®
system are unavailable.
X Continue driving with added caution. Wheels may lock
during hard braking, reducing steering capability.
When the voltage is above the required value again, the
ESP ®
, the BAS, and the PRE-SAFE ®
system are operational
again and the message in the multifunction display should
disappear.
If the message in the multifunction display does not
disappear:
X Have the alternator and the battery checked.
X Have the system checked at an authorized Mercedes-Benz
Center as soon as possible. ESP Unavailabl
e See
Operator’s
Manual
If the yellow ESP
®
warning lamp d flashes while driving
and this message appears, the Electronic Traction System
(4-ETS) has switched off to prevent overheating of the drive
wheel brakes.
As
soon as the brakes have cooled off, the Electronic Traction
System (4-ETS) switches on again.
The message in the multifunction display disappears and the
ESP ®
warning lamp d goes out. ESP Unavailabl
e See
Operator’s
Manual The self-diagnosis may not be completed yet.
The

display will clear after driving a short distance at a vehicle
speed of above 12 mph (20 km/h). PRE-SAFE Inoperativ
e See
Operator’s
Manual
The PRE-SAFE
®
system has failed. All other occupant safety
systems, such as the air bags, are still available.
X Contact an authorized Mercedes-Benz Center as soon as
possible. 276
Vehicle status messages in the multifunction display
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Display messages
Possible causes/consequences and
X SolutionsFront
Passenger
Airbag
Enabled
See
Operator’s
Manual USA only:
The front passenger front air bag is activated while driving
even though a child, small individual, or object below the
system’s weight threshold is on the front passenger seat, or
the front passenger seat is empty. Objects on the seat or
forces acting on the seat may make the system sense
supplemental weight.
X
Stop the vehicle in a safe location as soon as possible.
X Engage the parking brake.
X Switch off the ignition.
X Open the front passenger door.
X Remove child and child restraint from front passenger seat
and properly secure the child in rear seat employing the
child restraint if necessary.
X Remove any other items from on and around the front
passenger seat and make sure the parcel net on the back
of the front passenger seat is empty.
X Make sure no objects which apply forces to the seat are
present
(e.g. objects such as books, briefcases etc. lodged
behind or around the seat, head restraints pushing against
roof etc.). The system may recognize such forces as
supplemental weight and sense that an occupant on the
front passenger seat is of a greater weight than actually
present.
X Keep the seat unoccupied, close the front passenger door
and switch on the ignition.
Monitor the 42 indicator lamp in the center
console (Y page 44) and the multifunction display in the
instrument cluster

(Y page 28) for the following:
With the seat unoccupied and the ignition switched on,
R the 42 indicator lamp in the center console
should illuminate and remain illuminated, indicating that
the OCS (Y page 42) has deactivated the front passenger
front air bag.
R the message Front Passenger Airbag Enabled See
Operator’s Manual or the message Front Passenger
Airbag Disabled See Operator’s Manual should not
appear in the multifunction display at any time the seat is
unoccupied. Wait at least 60 seconds for the system to
complete the necessary check cycles and to make sure
neither message appears in the multifunction display. Vehicle status messages in the multifunction display
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Display messages
Possible causes/consequences and
X Solutions If above conditions are met, you can occupy the front
passenger seat again. Depending on the front passenger
classification sensed by the OCS, the
42
indicator lamp will remain illuminated or go out.
If above conditions are not met, the system is not working
properly. Have the system checked at an authorized
Mercedes-Benz Center as soon as possible. G
Warning!
If the 42 indicator lamp remains out even after performing the above corrective
steps, do not have any children 12 years old and under and other small individuals use the front
passenger seat until the system has been repaired. 278
Vehicle status messages in the multifunction display
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