2013 MERCEDES-BENZ R-CLASS FAMILY TOURER Owners Manual

Display messages
Introduction
General notes Display messages appear in them
ultifunction display.
Display messages with graphic displays may be shown in simplified for minthe Operator's
Manual and may differ from the messages shown in the multifunction display.
Please respond in accordance with the display messages and follow the additional notes in
this Operator's Manual.
Certain display messages are accompanied by an audible warning tone or a continuous tone.
Hiding display messages X
Press the V,U,&or* button on the steering wheel to select another display.
or
X Press reset button .on the instrument cluster (Y page 31).
The display message is cleared.
The multifunction display shows high-priority display messages in red. Some high-priority
display messages cannot be hidden.
The multifunction display shows these messages continuously until the causes for the
messages have been remedied.
Message memory The on-board computer saves certain display messages. You can call up the display messages
in the
message memory menu.
The message memory menu is only shown if any display messages have been stored.
X Press the VorU button repeatedly, until either the original menu or the message
memory menu is shown.
If there are display messages, the multifunction displays hows, e.g.2 Messages .
X Press the &or* button to scroll through the display messages.
When the ignition is switched off, all display messages are deleted, apart from some high-
priority display messages. Once the causes of the high-priority display messages have been
rectified, the corresponding display messages are also deleted. 214
Display messagesOn-board computer and displays

Safety systems
Display messages Possible causes/consequences and
M Solutions
!÷
Unavailable See
Operator's Manual ABS (Anti-lock Braking System), ESP
®
(Electronic Stability
Program), BAS (Brake Assist), PRE-SAFE ®
, hill start assist and
ESP ®
trailer stabilization are temporarily unavailable.
In addition, the ÷,åand! warning lamps light up in
the instrument cluster.
Possible causes are:
R Self-diagnosis is not yet complete.
R The on-board voltage may be insufficient.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Carefully drive a suitable distance, making slight steering
movements at a speed above 12 mph (20 km/h).
If the display message disappears, the functions mentioned
above are available again.
If the display message continues to be displayed:
X Drive on carefully.
X Visit a qualified specialist workshop. !÷
Inoperative See
Operator's Manual ABS, ESP
®
, BAS, PRE-SAFE ®
, hill start assist and ESP ®
trailer
stabilization are unavailable due to a malfunction.
The $ (USA only)/J (Canada only),÷,åand!
warning lamps in the instrumen tcluster also light up.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident. Display messages
215On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions
X
Drive on carefully.
X Visit a qualified specialist workshop immediately. ÷
Unavailable See
Operator's Manual ESP
®
, PRE-SAFE ®
and BAS, hill start assist and ESP ®
trailer
stabilization are temporarily unavailable.
In addition, the ÷andå warning lamps ligh tup in the
instrument cluster.
The self-diagnosis function might not be complete, for example.
G WARNING
The brake system continues to function normally, but without the
functions listed above.
The braking distance in an emergency braking situation can thus
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Carefully drive a suitable distance, making slight steering
movements at a speed above 12 mph (20 km/h).
If the display message disappears, ESP ®
is available again.
If the display message disappears, the functions mentioned
above are available again.
If the display message continues to be displayed:
X Drive on carefully.
X Visit a qualified specialist workshop. ESP
®
, PRE-SAFE ®
and BAS, hill start assist and ESP ®
trailer
stabilization are temporarily unavailable.
In addition, the ÷andå warning lamps light up in the
instrument cluster.
For example, the on-board voltage may be insufficient.
The brake system continues to function normally, but without the
functions listed above.
X Drive on carefully.
X Visit a qualified specialist workshop immediately. If the display message is shown while the vehicle is in motion and
the
÷ warning lamp flashes, the electronic traction system is
deactivated. Otherwise, the brakes on the drive wheels could
overheat.
X Let the brakes cool down until the display message disappears
and the ÷warning lamp goes out.
The Electronic Traction System is activated again. 216
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
M Solutions
÷
Inoperative See
Operator's Manual ESP
®
, PRE-SAFE ®
and BAS, hill start assist and ESP ®
trailer
stabilization are unavailable due to a malfunction.
In addition, the ÷andå warning lamps ligh tup in the
instrument cluster.
G WARNING
The brake system continues to function normally, but without the
functions listed above.
The braking distance in an emergency braking situation can thus
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Drive on carefully.
X Visit a qualified specialist workshop. T!
÷
Inoperative See
Operator's Manual EBD (electronic brake force distribution), ABS, ESP
®
, BAS,
PRE-SAFE ®
, hill start assist and ESP ®
trailer stabilization are
unavailable due to a malfunction.
In addition, the ÷,åand! warning lamps light up in
the instrument cluster and a warning tone sounds.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The fronta nd rearwheels could therefore
lock if you brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Drive on carefully.
X Visit a qualified specialist workshop immediately. $(USA
only)!(Canada
only)
Release Parking
Brake You are driving with the parking brake applied.
Awarning tone also
sounds.
X Release the parking brake. Display messages
217On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions
$(USA
only)
J(Canada
only)
Check Brake Fluid Level There is no
tenough brake fluid in the brake fluid reservoir. In
addition, the $(USA only)/J (Canada only) warning lamp
lights up in the instrument cluster and a warning tone sounds.
G WARNING
The braking effect may be impaired.
There is a ris kofanaccident.
X Pull overa nd stop the vehicle safely as soo nas possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Secure the vehicle against rolling away (Y page 166).
X Consult a qualified specialist workshop.
X Do not add brake fluid. This does not correct the malfunction. #
Brake Wear The brake pads/linings have reached their wear limit.
X
Visit a qualified specialist workshop. G
Tele Aid
Inoperative USA only: one or more of the main functions in the mbrace system
are malfunctioning.
Canada only: one or more of the main functions of the TELEAID
system are malfunctioning.
X
USA only: have the mbrace system checked at aqualified
specialist workshop.
X Canada only: have the TELEAI Dsystem checked at a qualified
specialist workshop. PRE-SAFE
Inoperative See
Operator's Manual Important function
sof PRE-SAFE ®
have failed.A ll other occupant
safety systems, e.g. air bags, remain available.
X Visit a qualified specialist workshop immediately. +
Restraint Sys.
Malfunction
Service Required There is a malfunction in the SRS (Supplemental Restraint
System).
G WARNING
The air bags or Emergency Tensioning Devices may either be
triggered unintentionally or, in the event of an accident, may not
be triggered.
There is an increased risk of injury.
X Visit a qualified specialist workshop.
Further information on occupant safet y(Ypage 41). 218
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
M Solutions
Front Passenger
Airbag Enabled See
Operator's Manual The front-passenger air bag is enabled during the journey, even
though:
R
a child, a small adult or an objec tweighing less than the
system's weight threshold is located on the front-passenger
seat.
or
R the front-passenger seat is unoccupied.
The system may detec tobjects or forces applying additional
weight on the seat.
G WARNING
The air bag may deploy unintentionally.
There is an increased risk of injury.
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 Switch the ignition off.
X Open the front-passenger door.
X Remove the child and the child restraint system from the front-
passenger seat.
X Make sure that no objects are exerting force on the seat, e.g.:
R
trapped books, bags, etc .lying on, behind or beside the seat
R head restraints pressing against the headliner
The system may otherwise detec tthese forces and interpret the
seat occupant's weight as greater than it actually is.
X Keep the seat unoccupied, close the front-passenger door and
switch on the ignition.
X Observe the 42 indicator lamp in the center
console and the multifunction display and check the following:
Seat unoccupied and ignition switched on:
R the 42 indicator lamp must light up and remain lit.
When the indicator lamp is on, OCS (Occupant Classification
System) has disabled the front-passenger air bag (Y page 46).
R the Front Passenger Airbag Enabled See Operator's Manual or
Front Passenger Airbag Disabled See Operator's Manual display messages must not be shown in
the multifunction display.
X Wait for a period of at least 60 seconds until the necessary
system checks have been completed.
X Make sure that the display messages do not appearint he
multifunction display. Display messages
219On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions
If these conditions are fulfilled, the front-passenger seat can be
occupied again
.Whether the 42 indicator lamp
remains lit or goes out depends on how OCS classifies the
occupant.
If the conditions are not fulfilled, the system is not operating
correctly.
X Visit a qualified specialist workshop immediately. Front Passenger
Airbag Disabled
See Operator's
Manual The front-passenger air bag is disabled during the journey, even
though:
R
an adult
or
R a person larger than a certain size is occupying the front-
passenger seat.
If additional forces are applied to the seat, the system may
interpret the occupant's weight as lower than it actually is.
G WARNING
The front-passenger air bag does not deploy during an accident.
There is an increased risk of injury.
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 Switch the ignition off.
X Have the occupant get out of the vehicle.
X Set the seat higher (Y page 102).
X Make sure that no objects are exerting force on the seat, e.g.
books, bags etc. lying under, behind or beside the seat.
These forces may otherwise cause the system to detect too low
a weight and interpret the seat occupant's weight as less than
it actually is.
X Keep the seat unoccupied, close the front-passenger door and
switch on the ignition.
X Observe the 42 indicator lamp in the center
console and the multifunction display and check the following:
Seat unoccupied and ignition switched on:
R the 42 indicator lamp must light up and remain lit.
When the indicator lamp is on, OCS has disabled the front-
passenger air bag (Y page 46).
R the Front Passenger Airbag Enabled See Operator's Manual or
Front Passenger Airbag Disabled See 220
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
M Solutions
Operator's Manual display messages mus
tnot be shown in
the multifunction display.
X Wait for a period of at least 60 seconds until the necessary
system checks have been completed.
X Make sure that the display messages do not appear in the
multifunction display.
If these conditions are fulfilled, the front-passenger seat can be
occupied again. Whether the 42indicator lamp
remains lit or goes out depends on how OCS classifies the
occupant.
If the conditions are not fulfilled, the system is not operating
correctly.
X Visit a qualified specialist workshop immediately. Lights
i Display messages about LEDs:
This display message will only appear if all LEDs have failed. Display messages Possible causes/consequences and
M Solutions
b
Low Beam Left
orLow
Beam Right The left or right-hand low-beam headlamp is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 126).
or
X Visit a qualified specialist workshop. b
Trailer Tail Lamp
Left orTrailer Tail
Lamp Right The left or right-hand trailer tail lamp is faulty.
X
Check whether you are permitted to change the bulb yourself.
or
X Visit a qualified specialist workshop. b
Trailer Turn
Signal
Left orTrailer Turn
Signal Right The left or right-hand trailer turn signal lamp is defective.
X
Check whether you are permitted to change the bulb yourself.
or
X Visit a qualified specialist workshop. b
Trailer Brake Lamp The trailer brake lamp is defective.
X
Check whether you are permitted to change the bulb yourself.
or
X Visit a qualified specialist workshop. Display messages
221On-board computer and displays Z