2015 MERCEDES-BENZ GLK-CLASS SUV Owners Manual

Tires
Display messagesPossible causes/consequences and M Solutions
Correct
Tire Pressure
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 339).
X If necessary, correct the tire pressure.
X Restart the tire pressure monitor ( Y page 342).
Check
Tires
The tire pressure in one or more tires has dropped significantly.
The wheel position is displayed in the multifunction display.
A warning tone also sounds.
GWARNING
Tire pressures that are too low pose the following hazards:
R they may burst, especially as the load and vehicle speed
increase.
R they may wear excessively and/or unevenly, which may gre atly
impair tire traction.
R the driving characteristics, as well as steering and braki ng, may
be greatly impaired.
There is a risk of an accident.
X Stop the vehicle without making any sudden steering or b raking
maneuvers. Pay attention to the traffic conditions as y ou do so.
X Secure the vehicle against rolling away ( Y page 168).
X Check the tires and, if necessary, follow the instructions for a
flat tire ( Y page 314).
X Check the tire pressure ( Y page 339).
X If necessary, correct the tire pressure.
Display messages255
On-board computer and displays
Z

Display messagesPossible causes/consequences and M Solutions
Warning
Tire Malfunction
The tire pressure in one or more tires has dropped suddenly. The
wheel position is shown in the multifunction display.
GWARNING
Driving with a flat tire poses 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 b raking
maneuvers. Pay attention to the traffic conditions as y ou do so.
X Secure the vehicle against rolling away ( Y page 168).
X Check the tires and, if necessary, follow the instructions for a
flat tire ( Y page 314).
Tire Press. Monitor
Currently UnavailZ
able
Because there is interference from a strong source of ra dio waves,
no signals from the tire pressure sensors are detected. The tire
pressure monitor is temporarily malfunctioning.
X Drive on.
The tire pressure monitor restarts automatically as soon a s the
problem has been resolved.
TirePress. SenZ
sor(s) 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 quali fied spe-
cialist workshop.
Tire Pressure MonZ
itor Inoperative
No Wheel Sensors
The wheels mounted do not have a suitable tire pressure sensor.
The tire pressure monitor is deactivated.
X Mount wheels with suitable tire pressure sensors.
The tire pressure monitor is activated automatically af ter driving
for a few minutes.
Tire pressure monZ
itor
Inoperative
The tire pressure monitor is faulty.
X Visit a qualified specialist workshop.
256Display messages
On-board computer and displays

Vehicle
Display messagesPossible 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 R or D.
X Shift the transmission to position P or N.
Risk of Rolling
Transmission Not
in P
You have attempted to stop the engine with the Start/Sto p button
while the transmission was not in position P.
GWARNING
The vehicle may roll away.
There is a risk of an accident.
X Shift the transmission to position P.
X Secure the vehicle against rolling away ( Y page 168).
AThe tailgate is open.
GWARNING
When the engine is running, exhaust gases can enter the vehicle
interior if the tailgate is open.
There is a risk of poisoning.
X Close the tailgate.
?The hood is open.
GWARNING
The open hood may block your view when the vehicle is in motion.
There is a risk of an accident.
X Pull over and stop the vehicle safely as soon as possible, p aying
attention to road and traffic conditions.
X Secure the vehicle against rolling away ( Y page 168).
X Close the hood.
CAt least one door is open.
X Close all the doors.
Display messages257
On-board computer and displays
Z

Display messagesPossible causes/consequences and M Solutions
Ð
Power Steering MalZ
function See OperZ
ator's Manual
The power steering is malfunctioning.
A warning tone also sounds.
GWARNING
You will need to use more force to steer.
There is a risk of an accident.
X Check whether you 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.
Phone No ServiceYour vehicle is outside the network provider's transmitter/
receiver range. X Wait until the mobile phone operational readiness symbol
appears in the multifunction display.
¥
Check Washer Fluid
The washer fluid level in the washer fluid reservoir has dropped
below the minimum.
X Add washer fluid ( Y page 303).
SmartKey
Display messagesPossible causes/consequences and M Solutions
Â
Key Does Not
Belong to Vehicle
You have put the wrong SmartKey in the ignition lock.
X Use the correct SmartKey.
Â
Take Your Key from
Ignition
The SmartKey is in the ignition lock.
X Remove the SmartKey.
Â
Obtain a New Key
The SmartKey needs to be replaced.
X Visit a qualified specialist workshop.
Â
Replace Key Battery
The battery of the KEYLESS-GO key is discharged.
X Change the battery ( Y page 81).
258Display messages
On-board computer and displays

Display messagesPossible causes/consequences and M Solutions
Â
Don't Forget Your
Key
The display message is shown for a maximum of 60 seconds and
is only 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.
Â
Key Not Detected

Warning and indicator lamps in the instrument cluster
General notes
Some systems carry out a self-diagnosis when the ignition is switched on. Therefore, some
indicator and warning lamps may light up or flash temporarily. Thi s behavior is non-critical.
These indicator and warning lamps only indicate a malfunction i f they light up or flash after
starting the engine or whilst driving.
Seat belts
ProblemPossible causes/consequences and M Solutions
ü
After starting the
engine, the red seat
belt warning lamp lights
up for 6 seconds.The seat belt warning lamp reminds the driver and front passenger
to fasten their seat belts.
X Fasten your seat belt ( Y page 58).
ü
After starting the
engine, the red seat
belt warning lamp lights
up. In addition, a warn-
ing tone sounds for up
to 6 seconds.The driver's seat belt is not fastened.
X Fasten your seat belt ( Y page 58).
The warning tone ceases.
ü
The red seat belt warn-
ing lamp lights up after
the engine starts, as
soon as the driver's or
the front-passenger
door is closed.The driver or front passenger has not fastened their seat belt.
X Fasten your seat belt ( Y page 58).
The warning lamp goes out.
There are objects on the front-passenger seat.
X Remove the objects from the front-passenger seat and stow
them in a secure place.
The warning lamp goes out.
260Warning and indicator lamps in the instrument cluster
On-board computer and displays

ProblemPossible causes/consequences and M Solutions
ü
The red seat belt warn-
ing lamp flashes and an
intermittent audible
warning sounds.The driver or front passenger has not fastened their seat b elt. The
vehicle is being driven faster than 15 mph (25 km/h) or has briefly
been driven faster than 15 mph (25 km/h). X Fasten your seat belt ( Y page 58).
The warning lamp goes out and the intermittent warning tone
ceases.
There are objects on the front-passenger seat. The vehicle is being
driven faster than 15 mph (25 km/h) or has briefly been driven
faster than 15 mph (25 km/h).
X Remove the objects from the front-passenger seat and stow
them in a secure place.
The warning lamp goes out and the intermittent warning tone
ceases.
Warning and indicator lamps in the instrument cluster261
On-board computer and displays
Z

Safety systems
ProblemPossible causes/consequences and M Solutions
$ (USA only)
J (Canada only)
The red brake system
warning lamp comes on while the engine is run-
ning. A warning tone
also sounds.There is not enough brake fluid in the brake fluid reservoir.
GWARNING
The braking effect may be impaired.
There is a risk of an accident.
X Pull over and stop the vehicle safely as soon as possible, p aying
attention to road and traffic conditions. Do not con tinue driving
under any circumstances.
X Secure the vehicle against rolling away ( Y page 168).
X Do not add brake fluid. Adding more will not remedy the mal-
function.
X Consult a qualified specialist workshop.
X Observe the additional display messages in the multifunction
display.
!
The yellow ABS warning
lamp is lit while the
engine is running.ABS (Anti-lock Braking System) is deactivated due to a malfunc -
tion. BAS (Brake Assist), BAS PLUS, ESP ®
(Electronic Stability
Program), PRE