MERCEDES-BENZ GLK-CLASS SUV 2014 Owners Manual
Manufacturer: MERCEDES-BENZ, Model Year: 2014, Model line: GLK-CLASS SUV, Model: MERCEDES-BENZ GLK-CLASS SUV 2014Pages: 384, PDF Size: 48.23 MB
Page 241 of 384
Display messages Possible causes/consequences and
M
MSolutions PRE-SAFE
PRE-SAFE
Functions Functions
Currently Limited Currently Limited
See Operator's See Operator's
Manual Manual
PRE-SAFE
®
Brake is temporarily inoperative. Possible causes are:
R function is impaired due to heavy rain or snow.
R the sensors in the radiator grill and the bumper are dirty.
R the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation.
R the system is outside the operating temperature range.
R the on-board voltage is too low.
When the causes stated above no longer apply, the display
message disappears.
PRE-SAFE ®
Brake 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 ( Ypage 164).
X Clean the sensors in the radiator grill and the bumper
(Y page 309).
X Restart the engine. PRE-SAFE PRE-SAFE
Functions Limited Functions Limited
See Operator's See Operator's
Manual Manual
PRE-SAFE
®
Brake is inoperative due to a malfunction. BAS PLUS
or the distance warning signal may also have failed.
X Visit a qualified specialist workshop. 6
SRS Malfunction SRS Malfunction
Service Required Service Required There is a malfunction in the SRS (Supplemental Restraint
System). The
6warning lamp also lights up in the instrument
cluster.
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.
For further information about SRS, see (Y page 43). Display
messages
239On-board computer and displays Z
Page 242 of 384
Display messages Possible causes/consequences and
M
MSolutions 6
Front Left Front Left
Malfunction Malfunction
Service Service
Required Required
orFront
Front
Right Malfunction
Right Malfunction
Service Required Service Required SRS has malfunctioned at the front on the left or right. The
6
warning lamp also lights up in the instrument cluster.
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. 6
Rear Left Rear Left
Malfunction Malfunction
Service Service
Required Required
orRear
Rear
Right Malfunction
Right Malfunction
Service Required Service Required 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.
SRS has malfunctioned at the rear on the left or right. The 6
warning lamp also lights up in the instrument cluster.
X Visit a qualified specialist workshop. 6
Rear Center Rear Center
Malfunction Malfunction
Service Required Service Required 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.
SRS has malfunctioned at the rear center. The 6warning lamp
also lights up in the instrument cluster.
X Visit a qualified specialist workshop. 6
Left Side Curtain Left Side Curtain
Airbag Airbag
Malfunction
Malfunction
Service
Service
Required Required orRight
Right
Side Curtain
Side Curtain
Airbag Airbag Malfunction
Malfunction
Service Required
Service Required There is a malfunction in the left-hand or right-hand window
curtain air bag.
The
6 warning lamp also lights up in the instrument cluster.
G WARNING
The left or right window curtain air bag 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. 240
Display
messagesOn-board computer and displays
Page 243 of 384
Display messages Possible causes/consequences and
M
MSolutions Front Passenger
Front Passenger
Airbag Disabled Airbag Disabled
See Operator's See Operator's
Manual 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 ( Ypage 164).
X Switch the ignition off.
X Have the occupant get out of the vehicle.
X Keep the seat unoccupied, close the front-passenger door and
switch on the ignition.
X Observe the PASSENGER AIR BAG OFF indicator lamp in the
center console and the multifunction display and check the
following:
Seat unoccupied and ignition switched on:
R the PASSENGER AIR BAG OFF indicator lamp must light up and
remain lit. If the indicator lamp is on, OCS has disabled the front-
passenger air bag ( Ypage 49).
R the Front Passenger Airbag Enabled See Operator's
Front Passenger Airbag Enabled See Operator's
Manual Manual orFront Passenger Airbag Disabled See
Front Passenger Airbag Disabled See
Operator's Manual
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 appear in the
multifunction display.
If these conditions are fulfilled, the front-passenger seat can be
occupied again. Whether the PASSENGER AIR BAG 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. Display
messages
241On-board computer and displays Z
Page 244 of 384
Display messages Possible causes/consequences and
M
MSolutions For further information about the Occupant Classification System,
see (Y
page 49). Front Passenger Front Passenger
Airbag Enabled Airbag Enabled
See Operator's See Operator's
Manual Manual The front-passenger air bag is enabled during the journey, even
though:
R
a child, a small adult or an object weighing 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 detect objects 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 ( Ypage 164).
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 there are no objects on the seat adding to the
weight.
The system may otherwise detect the additional weight 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 PASSENGER AIR BAG OFF indicator lamp in the
center console and the multifunction display and check the
following:
Seat unoccupied and ignition switched on:
R the PASSENGER AIR BAG OFF indicator lamp must light up and
remain lit. If the indicator lamp is on, OCS (Occupant
Classification System) has disabled the front-passenger air bag
(Y page 49).
R the Front Passenger Airbag Enabled See Operator's Front Passenger Airbag Enabled See Operator's
Manual Manual orFront Passenger Airbag Disabled See
Front Passenger Airbag Disabled See
Operator's Manual
Operator's Manual display messages must not be shown in
the multifunction display. 242
Display
messagesOn-board computer and displays
Page 245 of 384
Display messages Possible causes/consequences and
M
MSolutions 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 PASSENGER AIR BAG 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 49). Lights
i Display messages about LEDs:
This display message will only appear if all LEDs have failed. Display messages Possible causes/consequences and
M MSolutions b
Check Left Check Left
Cornering Cornering
Light Light
orCheck RightCheck Right
Cornering Light
Cornering Light The left or right-hand cornering light is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 119).
or
X Visit a qualified specialist workshop. b
Check Left Low Check Left Low
Beam BeamorCheck Right
Check Right
Low Beam
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 119).
or
X Visit a qualified specialist workshop. b
Check Check
Trailer
Trailer Left
Left
Tail Lamp
Tail LamporCheck Check
Trailer
Trailer Right
RightTail
Tail
Lamp
Lamp The left or right-hand trailer tail lamp is faulty.
X
Observe the separate operating instructions provided by the
trailer manufacturer. Display
messages
243On-board computer and displays Z
Page 246 of 384
Display messages Possible causes/consequences and
M
MSolutions b
Check Check
Trailer
Trailer Left
Left
Turn Signal
Turn Signal orCheckCheck
Trailer
Trailer Right
RightTurn
Turn
Signal
Signal The left or right-hand trailer turn signal lamp is defective.
X
Observe the separate operating instructions provided by the
trailer manufacturer. b
Check Trailer Check Trailer
Brake Lamp Brake Lamp The trailer brake lamp is defective.
X
Observe the separate operating instructions provided by the
trailer manufacturer. b
Check Rear Left Check Rear Left
Turn Signal Turn Signal
orCheckCheck
Rear Right Turn
Rear Right Turn
Signal Signal The rear left-hand or rear right-hand turn signal is defective.
X
Visit a qualified specialist workshop. b
Check Front Left Check Front Left
Turn Signal Turn Signal
orCheckCheck
Front Right Turn
Front Right Turn
Signal 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 119).
or
X Visit a qualified specialist workshop. b
Check Left Mirror Check Left Mirror
Turn Signal Turn Signal
orCheckCheck
Right Mirror Turn
Right Mirror Turn
Signal Signal The turn signal in the left-hand or right-hand exterior mirror is
defective.
X
Visit a qualified specialist workshop. b
Check Check
Center
Center Brake
Brake
Lamp
Lamp The high-mounted brake lamp is faulty.
X
Visit a qualified specialist workshop. b
Check Left Tail Check Left Tail
and Brake and Brake
Lamps Lamps
orCheck RightCheck Right
Tail and Brake
Tail and Brake
Lamps Lamps The left or right-hand tail lamp/brake lamp is defective.
X
Visit a qualified specialist workshop. 244
Display
messagesOn-board computer and displays
Page 247 of 384
Display messages Possible causes/consequences and
M
MSolutions b
Check Left High Check Left High
Beam Beam
orCheck Right
Check Right
High Beam
High Beam The left or right-hand high beam is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 119).
or
X Visit a qualified specialist workshop. b
Check Check
Left
LeftLicense
License
Plate Lamp
Plate Lamp orCheck
Check
Right License
Right License
Plate Lamp Plate Lamp The left or right-hand license plate lamp is defective.
X
Visit a qualified specialist workshop. b
Check Left Fog Check Left Fog
Lamp Lamp
orCheck Right
Check Right
Fog Lamp
Fog Lamp The left-hand or right-hand front fog lamp is defective.
X
Visit a qualified specialist workshop. b
Rear Fog Lamp Rear Fog Lamp The rear fog lamp is defective.
X
Visit a qualified specialist workshop. b
Check Front Left Check Front Left
Parking Parking
Lamp Lamp
orCheck Front
Check Front
Right Parking Lamp
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 119).
or
X Visit a qualified specialist workshop. b
Check Check
Left
LeftReverse
Reverse
Lamp
Lamp orCheck Right
Check Right
Reverse Lamp
Reverse Lamp The left or right-hand backup lamp is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 119).
or
X Visit a qualified specialist workshop. b
Check Front Left Check Front Left
Sidemarker Sidemarker
Lamp Lamp
orCheck Front
Check Front
Right Sidemarker
Right Sidemarker
Lamp Lamp The left or right front side marker lamp is defective.
X
Visit a qualified specialist workshop. Display
messages
245On-board computer and displays Z
Page 248 of 384
Display messages Possible causes/consequences and
M
MSolutions b
Check Rear Left Check Rear Left
Sidemarker Sidemarker
Lamp Lamp
orCheck Rear
Check Rear
Right Sidemarker
Right Sidemarker
Lamp Lamp The rear left or right side marker lamp is defective.
X
Visit a qualified specialist workshop. b
Check Check
Left
LeftDaytime
Daytime
Running
Running
Light Light orCheck
Check
Right Daytime
Right Daytime
Running Light Running Light The left-hand or right-hand daytime running lamp is faulty.
X
Visit a qualified specialist workshop. b
Active Headlamps Active Headlamps
Inoperative Inoperative The active light function is defective.
X
Visit a qualified specialist workshop. b
Malfunction See Malfunction See
Operator's Manual Operator's Manual The exterior lighting is defective.
X
Visit a qualified specialist workshop. b
Malfunction See Malfunction See
Operator's Manual Operator's Manual The exterior lighting is defective.
X
Visit a qualified specialist workshop. b
Auto Auto
Lamp
LampFunction
Function
Inoperative
Inoperative The light sensor is defective.
X
Visit a qualified specialist workshop. b
Switch Off Lights 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 Ã.246
Display
messagesOn-board computer and displays
Page 249 of 384
Display messages Possible causes/consequences and
M
MSolutions Adaptive Highbeam
Adaptive Highbeam
Assist Inoperative Assist Inoperative Adaptive Highbeam Assist is faulty.
X
Visit a qualified specialist workshop. Adaptive Highbeam Adaptive Highbeam
Assist Currently Assist Currently
Unavailable See Unavailable See
Operator's Manual 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 Clean the windshield.
If the system detects that the camera is fully operational again,
the Adaptive Highbeam Assist Now Available again Adaptive Highbeam Assist Now Available again
message is displayed.
Adaptive Highbeam Assist is operational again. Engine
Display messages Possible causes/consequences and
M MSolutions +
Check Coolant Check Coolant
Level See Level See
Operator's Manual 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 304).
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 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
247On-board computer and displays Z
Page 250 of 384
Display messages Possible causes/consequences and
M
MSolutions ?
Coolant Too Hot Coolant Too Hot
Stop Vehicle Turn Stop Vehicle Turn
Engine Off Engine Off The coolant is too hot.
A warning tone also sounds.
G WARNING
Do not drive when your engine is overheated. This can cause some
fluids which may have leaked into the engine compartment to
catch fire.
Steam from 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 ( Ypage 164).
X Wait until the engine has cooled down.
X Make sure that the 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 †). 248
Display
messagesOn-board computer and displays