2013 MERCEDES-BENZ R-CLASS FAMILY TOURER bulb

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

Display messages Possible causes/consequences and
M Solutions
b
Turn Signal Rear
Left orTurn Signal
Rear Right The rear left-hand or rear right-hand tur
nsignal is defective.
X Check whether you are permitted to replace the bulb yourself
(Y page 126).
or
X Visit a qualified specialist workshop. b
Turn Signal Front
Left orTurn Signal
Front Right The front left-hand or front right-hand turn signal is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 126).
or
X Visit a qualified specialist workshop. b
Turn Signal Left
Mirror orTurn
Signal Right Mirror The turn signal in the left-hand or right-hand exterior mirror is
defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 126).
or
X Visit a qualified specialist workshop. b
3rd Brake Lamp The high-mounted brake lamp is faulty.
X
Check whether you are permitted to replace the bulb yourself
(Y page 126).
or
X Visit a qualified specialist workshop. b
Brake Lamp
Left orBrake Lamp
Right The left or right-hand brake lamp is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 126).
or
X Visit a qualified specialist workshop. b
High Beam
Left orHigh Beam
Right The left or right-hand high beam is defective.
X
Check whether you are permitted to change the bulb yourself
(Y page 126).
or
X Visit a qualified specialist workshop. 222
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
M Solutions
b
License
Plate Lamp
Left orLicense
Plate Lamp Right The lef
torright-hand license plate lamp is defective.
X Check whether you are permitted to replace the bulb yourself
(Y page 126).
or
X Visit a qualified specialist workshop. b
Front Foglamp
Left orFront
Foglamp Right The left-hand or right-hand front fog lamp is defective.
X
Check whether you are permitted to change the bulb yourself
(Y page 126).
or
X Visit a qualified specialist workshop. b
Foglamp Rear
Left orFoglamp Rear
Right The left-hand or right-hand rear fog lamp is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 126).
or
X Visit a qualified specialist workshop. b
Parking
Lamp Front
Left orParking Lamp
Front Right The front left or front right parking or standing lamp is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 126).
or
X Visit a qualified specialist workshop. b
Reverse Lamp
Left orReverse lamp
Right The left or right-hand backup lamp is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 126).
or
X Visit a qualified specialist workshop. b
Marker Lamp Front
Left orMarker Lamp
Front Right The left or right front side marker lamp is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 126).
or
X Visit a qualified specialist workshop. b
Tail Lamp
Left orTail Lamp
Right The left or right-hand tail lamp is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 126).
or
X Visit a qualified specialist workshop. Display messages
223On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions
b
Daytime Running
Light
Left orDaytime
Running Light Right The left-hand or right-hand daytime running lamp is faulty.
X
Chec kwhether you are permitted to replace the bulb yourself
(Y page 126).
or
X Visit a qualified specialist workshop. b
AUTO Light
Inoperative The light sensor is defective.
X
Visit a qualified specialist workshop.
USA only:
X Switch off the daytime running lamps in the on-board computer
(Y page 207).
X Switch the lights on and off using the light switch. b
Switch Off Lights The lights are still switched on when you leave the vehicle. A
warning tone also sounds.
X
Turn the light switch to $orÃ.
or
X If the rear fog lamp is switched on: press the light switch in to
the stop. Engine
Display messages Possible causes/consequences and
M Solutions
+
Top
Up Coolant See
Operator's Manual The coolant level is too low.
!
Avoid making long journeys with too little coolant in the engine
cooling system. The engine will otherwise be damaged.
X Add coolant, observing the warning notes before doing so
(Y page 287).
X If coolant needs to be added more often than usual, have the
engine coolant system checked at a qualified specialist
workshop. ? The fan motor is faulty.
X
At coolant temperatures under 248 ‡(120 †), drive to the next
qualified specialist workshop.
X Avoid subjecting the engine to heavy loads, e.g. driving in
mountainous terrain, and stop-and-go traffic. 224
Display messagesOn-board computer and displays