2013 MERCEDES-BENZ R-CLASS FAMILY TOURER Owners Manual

Display messages Possible causes/consequences and
M Solutions
Cruise Control
- - - MPH Ac
ondition for activating cruise control has not been fulfilled.
You have tried to store aspeed below 20 mph (30 km/h), for
example.
X If conditions permit, drive faster than 20 mph (30 km/h) and
store the speed.
X Check the activation conditions for cruise control
(Y page 173). DISTRONIC
- - - MPH An activation condition for DISTRONIC is not fulfilled.
X
Check the activation conditions for DISTRONIC (Y page 175).DISTRONIC
Override DISTRONIC is no longer controlling the speed of the vehicle.
X
Remove your foot from the accelerator pedal. DISTRONIC
Inoperative DISTRONIC is faulty or the display has failed.
X
Visit a qualified specialist workshop. DISTRONIC
Currently
Unavailable See
Operator's Manual DISTRONIC is deactivated and temporarily inoperative. Possible
causes are:
R
the DISTRONIC cover in the radiator trim is dirty.
R function is impaired due to heavy rain, snow or fog.
R the radar sensors ystem is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation.
R the rada rsensor system has not detected any vehicles or
stationary objects, e.g. traffic signs, for a long time.
R the system is outside the operating temperature range.
When the causes stated above no longer apply, the display
message disappears.
DISTRONIC is operational again.
If the display message does not disappear:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 166).
X Clean the DISTRONIC cover in the radiator trim (Y page 293).
X Restart the engine. 230
Display messagesOn-board computer and displays

Tires
Display messages Possible causes/consequences and
M Solutions
Tire Pressure
Check Tires The tire pressure loss warnin
gsystem has detected a significant
loss in pressure.
Aw arning tone also sounds.
G WARNING
With tire pressures which are too low, there is a ris kofthe
following hazards:
R they may burst, especially as the load and vehicle speed
increase.
R they may wear excessively and/or unevenly, which may greatly
impair tire traction.
R the driving characteristics, as well as steering and braking, may
be greatly impaired.
There is a risk of an accident.
X Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
X Secure the vehicle against rolling away (Y page 166).
X If there is a flat tire, inspect the tires (Y page 299).
X Check the tire pressures and, if necessary, correct the tire
pressure.
X Restart the tire pressure loss warning system when the tire
pressure is correct (Y page 320).Check tires, then
restart Run Flat
Indicator The tire pressure loss warning system generated a display
message and has not been restarted since.
X
Set the correct tire pressure in all four tires.
X Restart the tire pressure loss warning system (Y page 320).Run Flat Indicator
Inoperative The tire pressure loss warning system is faulty.
X
Visit a qualified specialist workshop. Tire pressure
displayed after
driving for a few
minutes The tire pressure monitor is measuring the tire pressure.
X
Drive on.
The tire pressures appearint he multifunction displayafter you
have been driving for a few minutes. Tire Pressure
Monitor
Inoperative The tire pressure monitor is faulty.
X
Visi taqualified specialist workshop. Display messages
231On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions
Tire Pressure
Monitor
Inoperative No
Wheel Sensors The wheels mounted do no
thave a suitable tire pressure sensor.
The tire pressure monito ris deactivated.
X Mount wheels with suitable tire pressure sensors.
The tire pressure monitor is activated automatically after driving
for a few minutes. Check Tire(s) The tire pressure in one or more tires has dropped significantly.
The wheel position is displayed in the multifunction display.
Aw
arning tone also sounds.
G WARNING
With tire pressures which are too low, there is a ris kofthe
following hazards:
R they may burst, especially as the load and vehicle speed
increase.
R they may wear excessively and/or unevenly, which may greatly
impair tire traction.
R the driving characteristics, as well as steering and braking, may
be greatly impaired.
There is a risk of an accident.
X Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
X Secure the vehicle against rolling away (Y page 166).
X If there is a flat tire, inspect the tires (Y page 299).
X Check the tire pressure (Y page 320).
X If necessary, correct the tire pressure. Caution: Tire
Defect The tire pressure in one or more tires has dropped suddenly. The
wheel position is shown in the multifunction display.
G WARNING
If you drive with a flat tire, there is a risk of the following hazards:
R A flat tire affects the ability to steer or brake the vehicle.
R You could lose control of the vehicle.
R Continued driving with a flat tire will cause excessive heat build-
up and possibly a fire.
There is a risk of an accident.
X Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
X Secure the vehicle against rolling away (Y page 166).
X If there is a flat tire, inspect the tires (Y page 299).232
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
M Solutions
Tire Pressure(s)
Please Correct The tire pressure is too low in at leas
tone of the tires, or the tire
pressure difference between the wheels is too great.
X Check the tire pressures at the next opportunity (Y page 320).
X If necessary, correct the tire pressure.
X Restart the tire pressure monitor (Y page 322).Tire Pressure
Monitor Wheel
Sensor Missing There is no signal from the tire pressure sensor of one or several
wheels
.The pressure of the affected tire is not displayed in the
multifunction display.
X Have the faulty tire pressure sensor replaced at a qualified
specialist workshop. Tire Pressure
Monitor Currently
Unavailable Due to a source of radio interference, no signals can be received
from the wheel sensors. The tire pressure monitor is temporarily
malfunctioning.
X
Drive on.
The tire pressure monitor restarts automatically as soon as the
problem has been solved. h
Tire Pressure
Caution: Tire
Defect The tire pressure in one or more tires has dropped suddenly.
Aw
arning tone also sounds.
G WARNING
If you drive with a flat tire, there is a ris kofthe following hazards:
R A flat tire affects the ability to steer or brake the vehicle.
R You could lose control of the vehicle.
R Continued driving with a flat tire will cause excessive heat build-
up and possibly a fire.
There is a risk of an accident.
X Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
X Secure the vehicle against rolling away (Y page 166).
X If there is a flat tire, inspect the tires (Y page 299). Display messages
233On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions
h
Tire Pressure
Check Tires The tire pressure in one or more tires has dropped significantly.
G WARNING
With tire pressures which are too low, there is a ris kofthe
following hazards:
R they may burst, especially as the load and vehicle speed
increase.
R they may wear excessively and/or unevenly, which may greatly
impair tire traction.
R the driving characteristics, as well as steering and braking, may
be greatly impaired.
There is a risk of an accident.
X Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
X Secure the vehicle against rolling away (Y page 166).
X If there is a flat tire, inspect the tires (Y page 299).
X Check the tire pressure (Y page 320).
X If necessary, correct the tire pressure. h
Please
correct the
tire pressures The tire pressure is too low in at least one of the tires, or the tire
pressure difference between the wheels is too great.
X
Check the tire pressures at the next opportunity (Y page 320).
X If necessary, correct the tire pressure. Vehicle
Display messages Possible causes/consequences and
M Solutions
Shift to P or N to
start engine. You have attempted to start the engine with the transmission in
position
Ror D.
X Shift the transmission to position Por N. Auxiliary Battery
Malfunction The auxiliary battery for the automatic transmission is no longer
being charged.
X
Visit a qualified specialist workshop at the next opportunity.
X Until then, set the automatic transmission to position Pbefore
you switch off the engine.
X Before leaving the vehicle, apply the parking brake.
X Secure the vehicle against rolling away (Y page 166).234
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
M Solutions
Depress brake to
shift out of P. You have attempted to mov
ethe transmission selector lever to
position D,Ror Nwithout depressing the brake pedal.
X Depress the brake pedal. Door Open Vehicle
Not In Park The driver's door is open and the transmission is in position
R,N
or D.
X Shift the transmission to position P.
X Secure the vehicle against rolling away (Y page 166).Drive to workshop
without shifting
gears. You cannot change the transmission position due to a malfunction.
If transmission position
Dis selected:
X Drive to a qualified specialist workshop without shifting the
transmission from position D.
If transmission position R,Nor Pis selected:
X Notify a qualified specialist workshop or breakdown service. Only shift to P
when vehicle is at
a standstill. The vehicle is moving.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Shift the transmission to position P.E The hood or the tailgate is open.
G WARNING
The open hood may block your view when the vehicle is in motion.
There is a risk of an accident.
When the engine is running, exhaust gases can enter the vehicle
interior if the tailgate is open.
There is a risk of poisoning.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 166).
X Close the hood or tailgate. You have attempted to lock the vehicle with KEYLESS-GO while
the tailgate or door is open.
X
Close all the doors and/or the tailgate. ; At least one door is open.
X
Close all the doors. Display messages
235On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions
Ð
Power Steering
Malfunction See
Operator's Manual The powe
rsteering is malfunctioning.
Aw arning tone also sounds.
G WARNING
You will need to use more force to steer.
There is a ris kofanaccident.
X Check whethe ryou are able to apply the extra force required.
X If you are able to steer safely: carefully drive on to a qualified
specialist workshop.
X If you are unable to steer safely: do not drive on. Contact the
nearest qualified specialist workshop. No Service Your vehicle is outside the network provider's transmitter/
receiver range.
X
Wait until the mobile phone operational readiness symbol
appears in the multifunction display. ~
Bluetooth Ready The Bluetooth
®
connection between your mobile phone and
COMAND is not activated.
X If desired, activate the Bluetooth ®
connection between your
mobile phone and COMAND (see the separate Operator's
Manual). ¥
Top
Up Washer Fluid The washer fluid level has dropped to approximately
⅓ofthe total
reservoir capacity.
X Add washer fluid (Y page 288).SmartKey
Display messages Possible causes/consequences and
M Solutions
+
Key does not
belong to vehicle You have put the wrong SmartKey in the ignition lock.
X
Use the correct SmartKey. +
Remove key The SmartKey is in the ignition lock.
X
Remove the SmartKey. +
You need a new key The SmartKey needs to be replaced.
X
Visit a qualified specialist workshop. 236
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
M Solutions
+
Change key
batteries The batteries of the KEYLESS-GO key are discharged.
X
Change the batteries ( Ypage 80). +
Don't forget your
key This display message is displayed fo
ramaximum of 60 seconds
and is simply a reminder.
You have opened the driver's door with the engine switched off.
The KEYLESS-GO key is not in the ignition lock.
X Remember to take the KEYLESS-GO key with you when you
leave the vehicle. +
Key not detected
(red display message) The KEYLESS-GO key is not in the vehicle.
Aw
arning tone also sounds.
If the engine is switched off, you can no longer loc kthe vehicle
centrally or start the engine.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 166).
X Locate the KEYLESS-GO key. The KEYLESS-GO key is not detected while the engine is running
because there is interference from a strong source of radio waves.
Aw
arning tone also sounds.
X Pull ove rand stop the vehicle safely as soo nas possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 166).
X Operate the vehicle with the SmartKey in the ignition lock. +
Key not detected
(white display
message) The KEYLESS-GO key cannot be detected at present.
X
Change the location of the SmartKey with the KEYLESS-GO
functions in the vehicle.
If the KEYLESS-GO key is still not detected:
X Operate the vehicle with the SmartKey in the ignition lock. +
Key detected in
vehicle The KEYLESS-GO key has been detected inside the vehicle during
locking.
X
Remove the KEYLESS-GO key from the vehicle. +
Pull starting
button out then
insert key The KEYLESS-GO key can continuously not be detected.
X
Insert the SmartKey into the ignition lock and turn it to the
desired position.
X Visit a qualified specialist workshop. Display messages
237On-board computer and displays Z