2010 MERCEDES-BENZ R320 lock

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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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 ...?
273Practical hints
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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 Solutions$
(USA only)
J
(Canada
only) EBV, 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 EBP, 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 Adjust driving to be consistent with reduced braking
responsiveness.
X Have the system checked at an authorized Mercedes-Benz
Center as soon as possible. $
(USA only)
!
(Canada
only) Release
Parking
Brake You are driving with the parking brake engaged. In addition
an acoustic warning sounds.
X
Release the parking brake. $
(USA only)
J
(Canada
only) Check
Brake
Fluid
Level There is insufficient brake fluid in the reservoir.
Risk of accident!
X
Stop the vehicle in a safe location or as soon as it is safe
to do so.
X Engage the parking brake
X Do not drive any further.
X Contact an authorized Mercedes-Benz Center or call
Roadside Assistance.
Do not add brake fluid! This will not solve the problem. G
Warning!
Driving with the message Check Brake Fluid Level displayed can result in an accident. Have
your brake system checked immediately.
Do not add brake fluid before checking the brake system. Overfilling the brake fluid reservoir can
result in spilling brake fluid on hot engine parts and the brake fluid catching fire. You can be
seriously burned.
! If you find that the brake fluid in the brake fluid reservoir has fallen to the minimum mark
or below, have the brake system checked for brake pad thickness and leaks. 286
Vehicle status messages in the multifunction display
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Display messages
Possible causes/consequences and
X SolutionsÁ STOP Car
Too Low You have driven off while the vehicle level was too low or the
AIRMATIC is inoperative.
The
AIRMATIC should have raised the vehicle to the set level
after a short while. While the message is displayed:
X Avoid excessive steering maneuvers. The fenders or tires
could otherwise be damaged. Listen for scraping noises.
X Do not drive faster than 50 mph (80 km/h).
If the message does not disappear from the multifunction
display:
X Have the system checked at an authorized Mercedes-Benz
Center. Á Malfunctio
n The AIRMATIC is malfunctioning.
X
Do not drive faster than 50 mph (80 km/h).
X Have the system checked at an authorized Mercedes-Benz
Center. Á Compressor
Cooling
Down You have selected a higher vehicle level. Due to frequent level
changes within a short period, the compressor must cool
down first.
!
When

the message Compressor Cooling Down appears
in the multifunction display, driving is still possible. Keep in
mind that the ride height of the vehicle is not yet reached,
so you can damage the underbody of the vehicle.
X Let the compressor cool down until the message
disappears.
The selected level will be set once the compressor has
cooled down. Vehicle
Display messages
Possible causes/consequences and
X SolutionsE You are driving with the hood or the tailgate open.
X
Stop the vehicle in a safe location as soon as it is safe to
do so.
X Close the hood ( Y page 223) or the tailgate ( Y page 75).
There is otherwise danger of an accident. You are trying to lock the vehicle with the KEYLESS-GO
function with a door or the tailgate open.
X
Close all doors and/or the tailgate ( Y page 75).288
Vehicle status messages in the multifunction displayPractical hints
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Display messages
Possible causes/consequences and
X Solutions; You are driving with at least one door open.
X
Close all doors. + Key
Detected
In Vehicle A SmartKey with KEYLESS-GO left in the vehicle was
recognized while trying to lock the vehicle from the outside.
X
Take the SmartKey out of the vehicle. + Don’t
Forget
Your Key This message appears for a maximum of 60 seconds if the
driver’s door is opened with the engine turned off and no
SmartKey in the starter switch. This message is only a
reminder.
X
Take the SmartKey with you when leaving the vehicle. + Remove Key You have forgotten to remove the SmartKey.
X
Remove the SmartKey from the starter switch. + You need
a new key. The SmartKey is malfunctioning.
X
Contact an authorized Mercedes-Benz Center. + Key Does
Not
Belong to
Vehicle The SmartKey in the starter switch does not belong to the
vehicle.
X
Find the SmartKey that belongs to the vehicle to operate
the vehicle. + Change
Key
Batteries The batteries in the SmartKey with KEYLESS-GO are
discharged.
X
Replace the batteries ( Y page 310).+ Key Not
Detected
(message
appears in
red) The SmartKey with KEYLESS-GO is not detected while the
engine
is running because the SmartKey is not in the vehicle.
X Stop the vehicle as soon as it is safe to do so.
X Engage the parking brake.
X Search for the SmartKey.
The vehicle cannot be locked centrally nor can the engine
be started again after the engine is stopped. + Key Not
Detected
(message
appears in
red) The SmartKey with KEYLESS-GO is not detected while the
engine is running because there is strong radio-frequency
interference.
X
Stop the vehicle as soon as it is safe to do so.
X Engage the parking brake.
X Remove the KEYLESS-GO button from the starter switch
(Y page 80).
X Operate the vehicle with the SmartKey in the starter switch. Vehicle status messages in the multifunction display
289
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Brake
Problem
Possible causes/consequences and
X Solutions!
The yellow ABS
indicator lamp
comes on while
the engine is
running. The ABS has detected a malfunction and switched off. The BAS,
the ESP
®
and the PRE-SAFE ®
are also switched off.
The brake system is still functioning normally but without the
systems specified above available.
If the ABS control unit is malfunctioning, other systems such as
the
navigation system or the automatic transmission may also be
malfunctioning.
X Continue driving with added caution. Wheels may lock during
hard braking, reducing steering capability.
X Read and observe messages that may appear in the
multifunction display

(Y page 274).
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. !
The yellow ABS
indicator lamp
comes on while
the engine is
running. The ABS has switched off due to insufficient power supply.
The battery might not be charged sufficiently.
When the voltage is above the required value again, the ABS is
operational again. The ABS indicator lamp should go out.
X
If the ABS indicator lamp does not go out: Have the alternator
and the battery checked. !
The yellow ABS
indicator lamp
comes on while
the engine is
running. The self-diagnosis has not been completed yet.
The indicator lamp will go out after driving a short distance at a
vehicle speed of above 12 mph

(20 km/h).300
What to do if …
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