MERCEDES-BENZ GLK-Class 2013 X204 Owner's Manual

Display messages Possible causes/consequences and
0001 Solutions
X
Wait fo raperiod 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 PASSENGER AIRBAG OFF 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.
For further information about the Occupant Classification System,
see (Y page 47). Lights
i Display messages about LEDs:
This display message will only appear if all LEDs have failed. Display messages Possible causes/consequences and
0001 Solutions
0003
Check Left
Cornering Light or
Check Right Cornering Light The left or right-hand cornering light is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 116).
or
X Visit a qualified specialist workshop. 0003
Check Left Low
Beam or
Check Right Low Beam The left or right-hand low-beam headlamp is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 116).
or
X Visit a qualified specialist workshop. 0003
Check
Trailer Left
Tail Lamp or
Check Trailer Right Tail
Lamp 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. Display messages
239On-board computer and displays Z

Display messages Possible causes/consequences and
0001 Solutions
0003
Check
Trailer Left
Turn Signal or
Check Trailer Right Turn Signal The lef
torright-hand trailer tur nsignal lamp is defective.
X Check whether you are permitted to change the bulb yourself.
or
X Visit a qualified specialist workshop. 0003
Check 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. 0003
Check Rear Left
Turn Signal or
Check Rear Right Turn Signal 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 116).
or
X Visit a qualified specialist workshop. 0003
Check Front Left
Turn Signal or
Check Front Right Turn Signal 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 116).
or
X Visit a qualified specialist workshop. 0003
Check Left Mirror
Turn Signal or
Check Right Mirror
Turn Signal 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 116).
or
X Visit a qualified specialist workshop. 0003
Check
Center Brake
Lamp The high-mounted brake lamp is faulty.
X
Check whether you are permitted to replace the bulb yourself
(Y page 116).
or
X Visit a qualified specialist workshop. 0003
Check Left Tail
and Brake Lamps or
Check Right Tail and Brake Lamps The left or right-hand tail lamp/brake lamp is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 116).
or
X Visit a qualified specialist workshop. 240
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
0001 Solutions
0003
Check Left High
Beam orCheck Right
High Beam The lef
torright-hand high beam is defective.
X Check whether you are permitted to replace the bulb yourself
(Y page 116).
or
X Visit a qualified specialist workshop. 0003
Check
Left License
Plate Lamp orCheck
Right License
Plate Lamp The left or right-hand license plate lamp is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 116).
or
X Visit a qualified specialist workshop. 0003
Check Left Fog
Lamp orCheck Right
Fog Lamp The left-hand or right-hand front fog lamp is defective.
X Check whether you are permitted to replace the bulb yourself
(Y page 116).
or
X Visit a qualified specialist workshop. 0003
Rear fog lamp The rear fog lamp is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 116).
or
X Visit a qualified specialist workshop. 0003
Check Front Left
Parking Lamp or
Check Front Right Parking Lamp 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 116).
or
X Visit a qualified specialist workshop. 0003
Check
Left Reverse
Lamp or
Check Right Reverse Lamp The left or right-hand backup lamp is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 117).
or
X Visit a qualified specialist workshop. 0003
Check Front Left
Sidemarker Lamp or
Check Front Right Sidemarker Lamp The left or right front side marker lamp is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 116).
or
X Visit a qualified specialist workshop. Display messages
241On-board computer and displays Z

Display messages Possible causes/consequences and
0001 Solutions
0003
Check Rear Left
Sidemarker Lamp or
Check Rear Right Sidemarker Lamp The rear lef
torright side marker lamp is defective.
X Check whether you are permitted to replace the bulb yourself
(Y page 116).
or
X Visit a qualified specialist workshop. 0003
Check
Left Daytime
Running Light or
Check Right Daytime Running
Light The left-hand or right-hand daytime running lamp is faulty.
X
Check whether you are permitted to replace the bulb yourself
(Y page 116).
or
X Visit a qualified specialist workshop. 0003
Active Headlamps
Inoperative The active light function is defective.
X
Visit a qualified specialist workshop. 0003
Malfunction See
Operator's Manual The exterior lighting is defective.
X
Visit a qualified specialist workshop. 0003
Malfunction See
Operator's Manual The exterior lighting is defective.
X
Visit a qualified specialist workshop. 0003
Auto
Lamp Function
Inoperative The light sensor is defective.
X
Visit a qualified specialist workshop. 0003
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 0004.242
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
0001 Solutions
Adaptive Highbeam
Assist Inoperative Adaptive Highbeam Assis
tis faulty.
X Visit a qualified specialist workshop. Adaptive Highbeam
Assist Currently
Unavailable See
Operator's Manual Adaptive Highbeam Assist is deactivated and temporarily
inoperative. Possible causes are:
R the windshield in the camera's field of vision is dirty.
R visibility is impaired due to heavy rain, snow or fog.
X Cleant he windshield.
If the system detects that the camera is fully operational again,
the Adaptive Highbeam Assist Now Available message is
displayed.
Adaptive Highbeam Assist is operational again. Engine
Display messages Possible causes/consequences and
0001 Solutions
000D
Check Coolant
Level 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 302).
X If coolant needs to be added more often than usual, have the
engine coolant system checked at a qualified specialist
workshop. 000C The fan motor is faulty.
X
At coolant temperatures below 248 ‡ (120 †) drive to the
nearest qualified specialist workshop.
X Avoid subjecting the engine to heavy loads, e.g. driving in
mountainous terrain, and stop-and-go traffic. Display messages
243On-board computer and displays Z

Display messages Possible causes/consequences and
0001 Solutions
000C
Coolant Too Hot
Stop Vehicle Turn
Engine Off The coolan
tis too hot.
Aw arning tone also sounds.
G WARNING
Do no tdrive when youre ngine is overheated. Thi scan cause some
fluids which may have leaked into the engine compartmen tto
catch fire.
Stea mfrom the overheated engine can also cause serious burns
which can occur just by opening the hood.
There is a risk of injury.
X Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 160).
X Waitu ntil the engine has cooled down.
X Make sure tha tthe air supply to the engine radiator is not
blocked, e.g. by snow, slush or ice.
X Do not start the engine again until the display message goes out
and the coolant temperature is below 248 ‡ (120 †).
Otherwise, the engine could be damaged.
X Pay attention to the coolant temperature display.
X If the temperature increases again, visit a qualified specialist
workshop immediately.
Under normal operating conditions and with the specified coolant
level, the coolant temperature may rise to 248 ‡ (120 †). 244
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
0001 Solutions
0009 The battery is no
tbeing charged.
Aw arning tone also sounds.
Possible causes are:
R a defective alternator
R a torn poly-V-belt
R a malfunction in the electronics
X Pull ove rand stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 160).
X Ope nthe hood.
X Check whether the poly-V-belt is torn.
If the poly-V-belt is torn:
! Do not continue driving. The engine could otherwise overheat.
X Consult a qualified specialist workshop.
If the poly-V-belt is not damaged:
X Visit a qualified specialist workshop. 0012
Check Engine Oil
At Next Refueling The engine oil level has dropped to the minimum level.
Aw
arning tone also sounds.
X Chec kthe oil level when next refueling, at the latest
(Y page 301).
X If necessary, add engine oil (Y page 301).
X Have the engine checked at a qualified specialist workshop if
engine oil needs to be added more often than usual.
! Avoid long journeys with too little engine oil. The engine will
otherwise be damaged.
Information on approved engine oils can be obtained from any
qualified specialist workshop or on the Internet at http://
bevo.mercedes-benz.com. 0010
Fuel Level Low The fuel level has dropped into the reserve range.
X
Refuel at the nearest gas station. 0008 There is only a very small amount of fuel in the fuel tank.
X
Refuel at the nearest gas station without fail. Display messages
245On-board computer and displays Z

Display messages Possible causes/consequences and
0001 Solutions
0010
Gas Cap Loose The fuel system pressure is too low. The fuel filler cap is no
tclosed
correctly or the fuel system is leaking.
X Check that the fuel filler cap is correctly closed.
If the fuel filler cap is not correctly closed:
X Close the fuel filler cap.
If the fuel filler cap is correctly closed:
X Visit a qualified specialist workshop. 0005
Replace Air Filter Vehicles with a diesel engine: the engine air filter is dirty and must
be replaced.
X
Visit a qualified specialist workshop. 0001
Check Fuel Filter Vehicles with a diesel engine: there is water in the fuel filter. The
water must be drained off.
X
Visit a qualified specialist workshop. 0004
Refill AdBlue At
Workshop See
Operator's Manual The DE
Flevel has fallen below the reserve range. Awarning tone
also sounds.
X Have DE Frefilled as soon as possible at a qualified specialist
workshop. 0004
Refill AdBlue At
Workshop No Start
in .. km The DEFl
evel is only sufficien tfor the indicated distance. A
warning tone also sounds.
X Have DEFr efilled as soon as possible at a qualified specialist
workshop. 0004
Refill AdBlue At
Workshop Eng.
Start Not Possible The DEF tank is empty. A warning tone also sounds. You can no
longer start the engine.
X
Consult a qualified specialist workshop immediately. 0004
Check AdBlue See
Operator's Manual The DEFs
ystem is malfunctioning. Awarning tone also sounds.
X Visi taqualified specialist workshop. 246
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
0001 Solutions
0004
Eng. Start Not
Possible in ..km The DE
Fsystem is malfunctioning. Awarning tone also sounds.
X Visi taqualified specialist workshop immediately. 0004
Eng. Start Not
Possible The DEFs
ystem is malfunctioning. Awarning tone also sounds.
You can no longer start the engine.
X Consult a qualified specialist workshop immediately. Driving systems
Display messages Possible causes/consequences and
0001 Solutions
0003
Attention Assist:
Take a Break! Based on certain criteria, ATTENTION ASSIST has detected fatigue
or
alack of concentration on th epart of th edriver. A warning tone
also sounds.
X If necessary, take a break.
During long journeys, take regular breaks in good time so you get
enough rest. 0003
Attention Assist
Inoperative ATTENTION ASSIST is inoperative.
X Visi taqualified specialist workshop. 0001
Off The HOLD function is deactivated. The vehicle is skidding.
Aw
arning tone also sounds.
X Reactivate the HOLD function later (Y page 179). The HOLD function is deactivated. When the brak
epedal is firmly
depressed, an activation condition is not fulfilled.
Aw arning tone also sounds.
X Check the activation conditions for the HOLD function
(Y page 179). Radar Sensor
Deactivated See
Operator's Manual The radar sensor system is deactivated.
X
Switch on the radar sensor system (Y page 229). Display messages
247On-board computer and displays Z

Display messages Possible causes/consequences and
0001 Solutions
Lane Keeping
Assist Currently
Unavailable See
Operator's Manual
or
Active Lane Keeping Assist
Currently
Unavailable See
Operator's Manual Lane Keeping Assis
torActive Lane Keeping Assist is deactivated
and temporarily inoperative .Possible causes are:
R the windshield in the camera's field of vision is dirty.
R visibility is impaired due to heavy rain, snow or fog.
R there are no lane markings for a longer period.
R the lane markings are worn, dark or covered, e.g. by dirt or snow.
When the causes stated above no longer apply, the display
message disappears.
Lane Keeping Assist or Active Lane Keeping Assist 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 160).
X Clean the windshield. Lane Keeping
Assist
Inoperative or
Active Lane Keeping Assist
Inoperative Lane Keeping Assist or Active Lane Keeping Assist is defective.
X
Visit a qualified specialist workshop. 248
Display messagesOn-board computer and displays