light MERCEDES-BENZ GLK SUV 2012 Owners Manual

Problem Possible causes/consequences and
M
MSolutions !
The yellow ABS warning
lamp is lit while the
engine is running. A
warning tone also
sounds.
EBD is not available due to a malfunction. Therefore, ABS, BAS,
BAS PLUS, ESP
®
, PRE-SAFE ®
, PRE-SAFE ®
Brake, the HOLD func-
tion, hill start assist, the adaptive brake lights and ESP ®
trailer
stabilisation, for example, are not available either.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The front and rear wheels could therefore
lock if you brake hard, for example.
The steerability and braking characteristics may be severely affec-
ted. The braking distance in an emergency braking situation can
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
The danger of skidding and having an accident increases.
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit a qualified specialist workshop. J֌!
The red brake warning
lamp, the yellow ESP
®
and ESP ®
OFF warning
lamps and the yellow
ABS warning lamp are
lit while the engine is
running. ABS and ESP
®
are not available due to a fault. Therefore, BAS, BAS
PLUS, EBD, PRE-SAFE ®
, PRE-SAFE ®
Brake, the HOLD function, hill
start assist, the adaptive brake lights and ESP ®
trailer stabilisa-
tion, for example, are not available either.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The front and rear wheels could therefore
lock if you brake hard, for example.
The steerability and braking characteristics may be severely affec-
ted. The braking distance in an emergency braking situation can
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
The danger of skidding and having an accident increases.
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit a qualified specialist workshop. 288
Warning and indicator lamps in the instrument clusterOn-board computer and displays

Problem Possible causes/consequences and
M
MSolutions ֊
The yellow ESP
®
warn-
ing lamp flashes while
the vehicle is in motion. ESP
®
or traction control has intervened because there is a risk of
skidding or at least one wheel has started to spin.
Cruise control or DISTRONIC PLUS is deactivated.
X Only depress the accelerator pedal as far as necessary when
pulling away.
X Accelerate more gently while the vehicle is in motion.
X Adapt your driving style to suit the road and weather conditions.
X Do not deactivate ESP ®
.
Exceptions: (Y page 67) å
The yellow ESP
®
OFF
warning lamp is lit while
the engine is running. ESP
®
is deactivated.
G WARNING
If ESP ®
is switched off, ESP ®
is unable to stabilise the vehicle.
The danger of skidding and having an accident increases.
X Reactivate ESP ®
.
Exceptions: (Y page 67)
X Adapt your driving style to suit the road and weather conditions.
If ESP ®
cannot be activated:
X Drive on carefully.
X Have ESP ®
checked at a qualified specialist workshop. ÷äå
The yellow ESP
®
and
ESP ®
OFF warning
lamps are lit while the
engine is running. ESP
®
, BAS, BAS PLUS, PRE-SAFE ®
, PRE-SAFE ®
Brake, the HOLD
function, hill start assist, the adaptive brake lights and ESP ®
trailer
stabilisation are not available due to a malfunction.
ATTENTION ASSIST is deactivated.
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 stabilise the vehicle.
The danger of skidding and having an accident increases.
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit a qualified specialist workshop. Warning and indicator lamps in the instrument cluster
289On-board computer and displays Z

Problem Possible causes/consequences and
M
MSolutions ֌
The yellow ESP
®
and
ESP ®
OFF warning
lamps are lit while the
engine is running. ESP
®
, BAS, PRE-SAFE ®
, the HOLD function, hill start assist and
ESP ®
trailer stabilisation are temporarily unavailable.
The adaptive brake lights, BAS PLUS and PRE-SAFE ®
Brake may
also have failed.
ATTENTION ASSIST is deactivated.
Self-diagnosis is not yet complete.
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 stabilise the vehicle.
The danger of skidding and having an accident increases.
X Carefully drive on a suitable stretch of road, making slight steer-
ing movements at a speed above 20 km/h.
The functions mentioned above are available again when the
warning lamp goes out.
If the warning lamp is still on:
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit a qualified specialist workshop. 290
Warning and indicator lamps in the instrument clusterOn-board computer and displays

Problem Possible causes/consequences and
M
MSolutions J
The red brake system
warning lamp comes on
while the vehicle is
moving. A warning tone
also sounds.
You are driving with the parking brake applied.
X
Release the parking brake.
The warning lamp goes out and the warning tone ceases. 6
The red SRS warning
lamp is lit while the
engine is running.
There is a malfunction in the SRS (Supplemental Restraint Sys-
tem).
G WARNING
The airbags or belt tensioners may either be triggered uninten-
tionally or, in the event of an accident, may not be triggered.
This poses an increased risk of injury.
X Drive on carefully.
X Have SRS checked at a qualified specialist workshop immedi-
ately.
For further information about the Supplemental Restraint System,
see (Y page 43). Engine
Problem Possible causes/consequences and
M MSolutions ;
The yellow engine diag-
nostics warning lamp
lights up while the
engine is running.
There may be a fault, for example:
R
in the engine management
R in the fuel injection system
R in the exhaust system
R in the ignition system (for vehicles with petrol engines)
R in the fuel system
The emission limit values may be exceeded and the engine may
be running in emergency mode.
X Have the vehicle checked as soon as possible at a qualified
specialist workshop. Vehicles with a diesel engine: the fuel tank has been run dry
(Y
page 163).
X Start the engine three to four times after refuelling.
If the yellow engine diagnostics warning lamp goes out, emer-
gency running mode is cancelled. The vehicle need not be
checked. Warning and indicator lamps in the instrument cluster
291On-board computer and displays Z

Problem Possible causes/consequences and
M
MSolutions 8
The yellow reserve fuel
warning lamp lights up
while the engine is run-
ning. The fuel level has dropped into the reserve range.
Operation of the auxiliary heating is deactivated if the fuel level
drops into the reserve range.
X
Refuel at the nearest filling station. ?
The red coolant warn-
ing lamp lights up while
the engine is running
and the coolant tem-
perature gauge is at the
start of the scale. The temperature sensor for the coolant temperature gauge is
faulty.
The coolant temperature is no longer being monitored. There is a
risk of engine damage if the coolant temperature is too high.
X
Stop the vehicle immediately, paying attention to road and traf-
fic conditions, and switch off the engine. Do not continue driving
under any circumstances.
X Secure the vehicle against rolling away (Y page 164).
X Consult a qualified specialist workshop. 292
Warning and indicator lamps in the instrument clusterOn-board computer and displays

Driving systems
Problem Possible causes/consequences and
M
MSolutions ·
The red distance warn-
ing lamp lights up while
the vehicle is in motion.
G
WARNING
The distance to the vehicle in front is too small for the speed
selected.
There is a risk of an accident.
X Increase the distance. ·
The red distance warn-
ing lamp lights up while
the vehicle is in motion.
A warning tone also
sounds.
G
WARNING
You are approaching a vehicle or a stationary obstacle in your line
of travel at too high a speed.
There is a risk of an accident.
X Be prepared to brake immediately.
X Pay careful attention to the traffic situation. You may have to
brake or take evasive action.
More information about DISTRONIC PLUS (Y page 178) and
PRE-SAFE ®
Brake (Y page 69). 294
Wa
rning and indi cator lamps in the instrument clusterOn-board computer and displays

Stowage compartment under the front
seats G
WARNING
Only load the stowage compartment with the
maximum permissible load of 1.5 kg. Other-
wise, the transported load could, for example,
be thrown out of the stowage compartment if
you change direction suddenly or brake
sharply, and you or others could be injured. X
To open: pull handle :up and fold
cover ;forwards.
Rear stowage compartments Stowage compartment in the rear com-
partment
X
To open: fold down seat armrest ;.
X Fold cover :of the armrest upwards. Stowage net
G
WARNING
Only place lightweight objects in the luggage
net. Do not use it to transport heavy, sharp-
edged or fragile objects. The luggage net can-
not secure the objects sufficiently in the event
of an accident.
Stowage nets are located in the front-
passenger footwell and on the left-hand side
of the luggage compartment. Enlarging the luggage compartment
Important safety notes G
WARNING
Do not carry heavy or hard objects inside the
vehicle or in the luggage compartment unless
they are secured.
Otherwise, you and other vehicle occupants
could be injured by objects being thrown
around the vehicle in the event of sharp brak-
ing, a sudden change in direction or an acci-
dent.
When using the luggage compartment
enlargement, you should always clip in the
safety net, if at hand. G
WARNING
Always drive with the tailgate closed. Exhaust
fumes could otherwise enter the vehicle inte-
rior.
! Before folding the rear seat backrest for-
wards, make sure that the head restraints
are pushed in (lowest detent). Otherwise,
the front seats, the armrests and the Rear
Seat Entertainment System could be dam-
aged.
The left-hand and right-hand rear seat backr-
ests can be folded forwards separately to
increase the luggage compartment capacity. 298
Stowage areasStowing and features

Folding the rear seat backrest forward
X
Fully insert the backrest head restraints
(Y page 99).
X Move the driver's or front-passenger seat
forward if necessary.
X Pull left-hand or right-hand release han-
dle ;of the seat backrest forwards.
Corresponding seat backrest :is
released.
X Fold backrest :forwards.
X Move the driver's or front-passenger seat
back if necessary.
Folding the rear seat backrest back :
Backrest
; Lock verification indicator
= Backrest release handle
X Move the driver's or front-passenger seat
forward if necessary.
! Make sure that the seat belt does not
become trapped when folding the rear seat backrest back. Otherwise, it could be dam-
aged.
X Fold seat backrest :back until it engages.
Red lock status indicator ;is no longer
visible. G
WARNING
Make sure that the seat backrest is correctly
engaged. The red lock verification indicators
on the left and right sides should no longer be
visible. If they are visible, the backrests are
not locked in position.
Occupants could otherwise be injured in the
event of an accident, e.g. by objects being
thrown forwards through the vehicle interior
from the luggage compartment.
X Adjust the head restraints if necessary
(Y page 99).
X Move the driver's or front-passenger seat
back if necessary. Securing a load
Lashing eyelets G
WARNING
Use only the intended lashing eyelets; on no
account should you use the child-seat anchor-
age points on the rear seat backrest.
Distribute the load on the lashing eyelets
evenly.
Otherwise, vehicle occupants could be
injured by objects being thrown around if you:
R brake sharply
R change direction suddenly
R are involved in an accident
Please observe the loading guidelines.
Observe the following notes on securing
loads:
R secure the load using the lashing eyelets.
R do not use elastic straps or nets to secure
a load, as these are only intended as an
anti-slip protection for light loads. Stowage areas
299Stowing and featu res Z

R
do not route lashing materials across sharp
edges or corners.
R pad sharp edges for protection.
There are four lashing eyelets in the luggage
compartment and two in the rear-compart-
ment footwells. :
Lashing eyelets in the load compartment :
Lashing eyelets in the rear-compartment
footwell
Bag hook G
WARNING
Only hang light loads on the bag holders. Do
not use them to transport heavy, sharp-edged
or fragile objects. When braking sharply,
changing direction quickly or in the event of
an accident, the bag hooks will not secure the
items sufficiently. This could result in injury to
yourself or others.
! The bag hook can bear a maximum load
of 5 kg. Do not use it to secure a load.
There is one bag hook on the left side wall in
the luggage compartment and there are two hooks on the right and left of the lower D-pillar
trim.
Luggage compartment cover
Important safety notes G
WARNING
The luggage compartment cover is not a
restraint system. Secure the load under the
luggage compartment cover by suitable
means. Make sure that the luggage compart-
ment cover is engaged securely. If luggage is
not sufficiently secured, it can be thrown over
the backrest into the passenger compart-
ment, for instance during heavy braking, sud-
den changes of direction or in the event of an
accident. You could cause an accident or
cause injury to yourself and others.
! When loading the vehicle, make sure that
you do not stack the load in the luggage
compartment higher than the lower edge of
the side windows. Do not place heavy
objects on top of the luggage compartment
cover.
The luggage compartment cover is located
behind the rear bench seat backrest.
i You can fold up the solid section of the
luggage compartment cover approximately
45° to facilitate loading the luggage com-
partment. 300
Stowage areasStowing and features

Detaching and storing the safety net
X
Detach guide rod ;from bracket :
(Y page 302).
X Press the red button on the upper and lower
guide rods.
X Fold the safety net and roll it up. To prevent
noise, roll the belt adjuster and belt hook
into the safety net.
X Put the safety net in the loading tray in the
stowage well under the luggage compart-
ment floor. X
Pull both Velcro fasteners ;through slots
= in loading tray :and fasten the safety
net. Coat hooks on the tailgate
G
WARNING
The tailgate may close if too great a load is
placed on the coat hooks.
This could cause you or others to be trapped
and injured.
If you use the coat hooks, only hang light
clothing on them. Make sure that nobody can
become trapped. :
Coat hook Stowage well underneath the luggage
compartment floor
G
WARNING
Never drive with the luggage compartment
floor open.
Otherwise, you and other vehicle occupants
could be injured by objects being thrown
around the vehicle in the event of sharp brak-
ing, a sudden change in direction or an acci-
dent.
The safety net, the ball coupling, the collaps-
ible spare wheel, etc. are stowed beneath the
luggage compartment floor. X
To open: open the tailgate.
X Holding the ribbing, press handle :down-
wards ;.
Handle :folds upwards.
X Swing the luggage compartment floor
upwards using handle :until it rests
against the luggage compartment cover. Stowage areas
303Stowing and fea tures Z