MERCEDES-BENZ R320CDI 2007 R171 Owner's Manual

470 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
n*STOP
car too lowThe AIRMATIC* is inoperative.Avoid large steering angles.
Otherwise a fender or tire could
be damaged.
Do not drive faster than 50 mph
(80 km/h).
Have the vehicle checked at an
authorized Mercedes-Benz Light
Truck Center.
MalfunctionThe AIRMATIC* is malfunctioning.Do not drive faster than 50 mph
(80 km/h) depending on the set
vehicle level.
Have the vehicle checked at an
authorized Mercedes-Benz Light
Truck Center.
MalfunctionThe AIRMATIC* is functional only to a
limited extent.Do not drive faster than 50 mph
(80 km/h) depending on the set
vehicle level.
Have the vehicle checked at an
authorized Mercedes-Benz Light
Truck Center.

471 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
n*Vehicle rising
wait brieflyThe vehicle level is too low.Do not drive off.
The vehicle level control* has not yet
adjusted the vehicle level to the nec-
essary height required for driving.
Wait until the message disappears
from the multifunction display.
You may then drive off.
Compressor
cooling downLevel control was activated too long/too
frequently.Let the compressor cool until the
message disappears.
The selected level will be set once the
compressor has cooled down.
Level selection
not permittedYou are driving too fast for the desired
level selection.Reduce vehicle speed.
Set the next higher level
(
page 287).
!When the message Compressor cooling
down
appears in the multifunction display, driv-
ing is still possible.Keep in mind that the ride height of the vehicle is
not yet reached and you could therefore damage
the underbody of the vehicle.
The selected level will be set once the compres-
sor has cooled down.

472 Practical hints
Where will I find ...?
First aid kit
The first aid kit is stored under the cargo
compartment floor, see “Vehicle tool kit”
(
page 472).
Vehicle tool kit
The vehicle tool kit is stored under the car-
go compartment floor.
The vehicle tool kit includes:

Towing eye bolt

Wheel wrench

Alignment bolt

Vehicle jack

Fuse chart

Spare fuses

Fuse extractor

Collapsible wheel chock

Wheel bolts for spare wheel
(if applicable, see “Mounting the spare
wheel” (
page 500))1Cargo compartment floor, lowered
2Handle cover
Open the tailgate (page 123).
Push in handle cover2 and pull
handle in direction of arrow.
Lift cargo compartment floor 1.
iCheck expiration dates and contents for
completeness at least once a year and replace
missing / expired items.

473 Practical hints
Where will I find ...?
3Securing hook
Release securing hook 3 (located be-
low the floor handle) from holder.3Securing hook
4Cargo compartment floor, raised
5Upper cargo compartment lip
Engage securing hook 3 on upper
cargo compartment lip 5.
You can now access the vehicle tool kit.
To remove the vehicle tool kit storage
well casing, proceed as described
on (
page 476).6Wheel bolt wrench
7Electric air pump
8Jack
9Spare fuses, fuse extractor, fuse chart
aSpare wheel (collapsible tire)
bAlignment bolt
cTowing eye bolt
dCollapsible wheel chock
eSpare wheel bolts
fVehicle tool kit storage well casing
To remove jack8, loosen the hook
and loop fastener.
!With the cargo compartment cover blind*
installed behind the third-row seats
(
page 306), disengage cargo compartment
cover blind* and flip it forward. Otherwise the
strap of the securing hook could damage the
cargo compartment cover blind*.

474 Practical hints
Where will I find ...?
Vehicle jackThe vehicle jack is located underneath the
storage compartment floor.
Storage position
Remove vehicle jack from its storage
compartment (
page 472).
Push crank handle up.
Operational position
Turn crank handle clockwise until it
engages (operational position).
Before storing the vehicle jack in its stor-
age compartment:

The vehicle jack should be fully col-
lapsed.

The handle must be folded in (storage
position).
Warning!G
The jack is designed exclusively for jacking
up the vehicle at the jack take-up brackets
built into both sides of the vehicle. To help
avoid personal injury, use the jack only to lift
the vehicle during a wheel change. Never
get beneath the vehicle while it is supported
by the jack. Keep hands and feet away from
the area under the lifted vehicle. Always
firmly set parking brake and block wheels
before raising vehicle with jack.
Do not disengage parking brake while the
vehicle is raised. Be certain that the jack is
always vertical (plumb line) when in use,
especially on hills. Always try to use the jack
on level surface.
Make sure the jack arm is fully seated in the
jack take-up bracket. Always lower the
vehicle onto sufficient capacity jackstands
before working under the vehicle.

475 Practical hints
Where will I find ...?
Setting up the collapsible wheel chock
The collapsible wheel chock serves to ad-
ditionally secure the vehicle, e.g. while
changing the wheel.
1Tilt the plate upward
2Fold the lower plate outward
3Insert the plateTilt both plates upward1.
Fold the lower plate outward2.
Guide the tabs of the lower plate all the
way into the openings of base plate3.
For information on where to place wheel
chocks when changing a wheel, see “Lift-
ing the vehicle” (
page 498).
Spare wheel
Warning!G
The dimensions of the spare wheel are
different from those of the road wheels. As
a result, the vehicle handling characteristics
change when driving with a spare wheel
mounted. Adapt your driving style accord-
ingly.
The spare wheel is for temporary use only.
When driving with a spare wheel mounted,
ensure proper tire inflation pressure and do
not exceed a vehicle speed of
50 mph (80 km/ h).
Drive to the nearest Mercedes-Benz Light
Truck Center as soon as possible to have the
spare wheel replaced with a regular road
wheel.
Never operate the vehicle with more than
one spare wheel mounted.
Do not switch off the ESP
® with a spare
wheel mounted.

476 Practical hints
Where will I find ...?
Your vehicle is equipped with a spare
wheel with collapsible tire. The spare
wheel is located underneath the cargo
compartment floor (
page 472).
Removing the spare wheel
1Retaining screw
2Spare wheel
3Vehicle tool kit storage well casing
Remove the jack from the vehicle tool
kit (
page 473).
Loosen retaining screw 1 by turning it
counterclockwise.
Turn vehicle tool kit storing well
casing3 by approximately 180°.
The electric air pump (
page 473)
points towards the rear.
Remove vehicle tool kit storage well
casing 3.
Remove spare wheel 2.Reinstalling the spare wheel after use
There are two guide pins in the spare wheel
well that serve to hold the spare wheel in
place.
1Guide pins
iFor information on how to mount the spare
wheel, see “Mounting the spare wheel”
(
page 498).
iIf retaining screw 1 does not come loose,
turn vehicle tool kit storing well casing 3 slightly
counterclockwise. Retaining screw 1 should
then come loose easily.

477 Practical hints
Where will I find ...?
1Guide pins
2Spare wheel
Place spare wheel 2 into spare wheel
well.
Make sure spare wheel 2 is placed
precisely on guide pins 1.
With the electric air pump
(
page 473) pointing towards the
rear, insert vehicle tool kit storage well
casing 3 (
page 476) into spare
wheel 2.
Turn vehicle tool kit storing well
casing3 (
page 476) by approxi-
mately 180°.
The electric air pump (
page 473)
points in direction of travel.
Fasten retaining screw 1
(
page 476) by turning it clockwise.
Insert the jack into the vehicle tool kit
storage well casing (
page 473).
Close and pull tight the hook and
loop fastener that secures the
jack (
page 473).
iFold the jack base outwards (against the
spring power) and first insert the jack base into
the recess in the left of the storage well casing.

478 Practical hints
Unlocking / locking in an emergency
Unlocking the vehicle
If you cannot unlock the vehicle with the
SmartKey or KEYLESS-GO*, open the
driver’s door using the mechanical key.Removing the mechanical key
1Mechanical key locking tab
2Mechanical key
Move locking tab1 in direction of
arrow.
Slide mechanical key2 out of the
housing.Unlocking the driver’s door
1Unlocking
2Mechanical key
Insert mechanical key 2 into the
driver’s door lock until it stops.
Turn mechanical key 2 counterclock-
wise to position1 and hold it there.
Pull the door handle until the locking
knob moves up.
The driver’s door is unlocked.
Pull the door handle once more to open
the driver’s door.
iUnlocking the driver’s door with the
mechanical key will trigger the anti-theft
alarm system.
To cancel the alarm:

Press buttonŒ or‹on the
SmartKey.

Insert the SmartKey in the starter switch.
Vehicles with KEYLESS-GO*:

Grasp an outside door handle.
The SmartKey with KEYLESS-GO must be
within 3 ft (1 m) of the vehicle.

Press the KEYLESS-GO start / stop button
(
page 41).
The SmartKey with KEYLESS-GO must be
inside the vehicle.

479 Practical hints
Unlocking / locking in an emergency
Locking the vehicle
If you cannot lock the vehicle with the
SmartKey or KEYLESS-GO*, lock the
vehicle carrying out the following steps.
Close the front passenger door, the
rear right door and the tailgate.
Open the driver’s door and the rear left
door.
Press the central locking switch on the
driver’s door (
page 130).
The locking knobs of the front passen-
ger door and the rear doors move
down.
If the vehicle battery is disconnected or
drained:
Press down the locking knobs of
the front passenger door and the
rear doors manually.
Exit the vehicle.
Close the driver’s door.
Enter the vehicle through the rear left
door.
Press down the locking knob of the
driver’s door.
Exit the vehicle.
Close the rear left door.
The vehicle is locked.
Fuel filler flap
Open the tailgate (page 123).
The fuel filler flap release is located behind
a cover in the right side trim panel of the
cargo compartment.
1Lock
2Cover
!To prevent inadvertent lockout, make sure
to have the SmartKey or SmartKey with
KEYLESS-GO* with you before proceeding with
the next step. The next step will lock the vehicle.
iThis procedure does not arm the anti-theft
alarm system, nor does it lock the fuel filler flap.