park assist MERCEDES-BENZ GLK SUV 2008 Owners Manual

Selector lever positions.
...................85
Shift ranges. ..................................... 86
Trailer towing. ................................... 88
Axle load, permissible
Rear (trailer towing) ........................254 B
Bag hook............................................. 136
Ball coupling Fitting ............................................. 162
Removing....................................... .165
BAS (Brake Assist)............................... 52
Battery Changing (key).. .............................. 216
Charging. ........................................ 234
Checking (key). ............................... 216
Check lamp (key). ........................... 216
Disconnecting ................................. 233
Display message ............................. 184
Jump-starting. ................................. 234
Maintenance (vehicle)..................... 232
Reconnecting.................................. 234
Removing/fitting. ........................... 233
Vehicle battery. .............................. 232
Belt force limiters
Activation.......................................... 35
Belt height adjustment ........................72
Belt tensioners Activation.......................................... 35
Belt warning.......................................... 72
Bonnet
Bonnet catch .................................. 147
Display message ............................. 183
Opening/closing ............................ 146
Bonnet release lever
Release leve r.................................. 147
Boot
Automatic opening. ....................60, 61
Boot lid
Opening/closing. .............................. 59
Brake Assist
see BAS
Brake fluid .......................................... 248
Display message (luxury multi-
function steering wheel) .................185
Display message (multi-function
steering wheel). .............................. 180Brake lamps
Adaptive............................................ 52
Display message..................... 188, 191
Brakes
Parking brake................................... .84
Warning lamp..................................2 02
Brake system
Display message ............................. 185
Bulb
see Lamp
Bulbs
Brake lamp. .................................... 220
Display messages (multi-function
steering wheel). .............................. 194
Licence plate lamp.......................... 220
Overview. ........................................ 218
Rear foglamp. ................................. 220
Replacing. ....................................... 219
Reversing lamp. .............................. 220
Tail lamp ......................................... 220
Turn signal lamp. ....................219, 220 C
Care..................................................... 167
Automatic car wash. .......................168
Dashboard. ..................................... 170
Headlamps. .................................... 169
High-pressure cleaners. ..................168
Panorama sliding sunroo f............... 170
Parktronic. ...................................... 171
Plastic trim. .................................... 170
Rear window. .................................. 169
Reversing camera. ..........................172
Seat covers.................................... .170
Side windows ................................. 169
Steering wheel boss. ......................170
Tail pipes ........................................ 171
Trailer tow hitch. ............................. 172
Trim strips ...................................... 171
Windscreen. .................................... 169
Wiper blades.. ................................. 169
Wooden strips................................. 171
CD player/CD changer
Operating (on-board computer,
luxury multi-function steering
wheel). .............................................. 99 Index
5 X204_AKB; 1; 5, en-GB
wobuchh,
Version: 2.11.4
2008-10-15T13:20:56+02:00 - Seite 5 Dateiname: 6515_0671_02_buchblock.pdf; preflight

effect achieved in the process reduces the
stopping distance on off-road terrain. This
limits steering capability. BAS (Brake Assist)
BAS operates in emergency braking situa-
tions. If you depress the brake pedal quickly,
BAS automatically boosts the braking force,
thus shortening the stopping distance.
X Keep the brake pedal firmly depressed until
the emergency braking situation is over.
ABS prevents the wheels from locking.
The brakes will function as usual once you
release the brake pedal. BAS is deactivated. G
Risk of accident
If BAS has malfunctioned, the braking system
remains available with full brake boosting
effect. However, braking force is not auto-
matically increased in emergency braking sit-
uations and the stopping distance may
increase. Adaptive brake lamps
i Adaptive brake lamps are only available in
certain countries.
If you brake sharply from a speed of more
than 50 km/h or if braking is assisted by BAS,
the brake lamps flash rapidly. In this way,
traffic travelling behind you is warned in an
even more noticeable manner.
If you brake sharply from a speed of more
than 70 km/ht o a standstill, the hazard warn-
ing lamps are activated automatically. If the
brakes are applied again, the brake lamps
light up continuously. The hazard warning
lamps switch off automatically if you travel
faster than 10 km/h. You can also switch off
the hazard warning lamps using the hazard
warning switch button (Y page 76). ESP
®
(Electronic Stability Program)
ESP ®
monitors driving stability and traction,
i.e. power transmission between tyres and
the road surface.
If ESP ®
detects that the vehicle is deviating
from the direction desired by the driver, one
or more wheels are braked to stabilise the
vehicle. If necessary, the engine output is also
modified to keep the vehicle on the desired
course within physical limits. ESP ®
assists
the driver when pulling away on wet or slip-
pery roads. ESP ®
can also stabilise the vehi-
cle during braking.
When ESP ®
intervenes, the dwarning
lamp flashes in the instrument cluster. G
Risk of accident
If the d warning lamp in the instrument
cluster flashes, proceed as follows:
R do not deactivate ESP ®
under any circum-
stances.
R only depress the accelerator pedal as far as
necessary when pulling away.
R adapt your driving style to suit the prevail-
ing road and weather conditions.
Otherwise, the vehicle could go into a skid.
ESP ®
cannot reduce the risk of an accident if
you drive too fast. ESP ®
cannot override the
laws of physics.
! If:
R the vehicle is being towed with the front
or rear axle raised,
R the parking brake is being tested using a
dynamometer,
the ignition must be switched off (key in
position 0or 1in the ignition lock). Other-
wise, application of the brakes by ESP ®
could destroy the brake system on the front
or rear axle.
! Vehicles with 4MATIC* may not be towed
with the front or rear axle raised. 52 Driving safety systemsSafety
* optional
X204_AKB; 1; 5, en-GB
wobuchh,
Version: 2.11.4 2008-10-15T13:20:56+02:00 - Seite 52Dateiname: 6515_0671_02_buchblock.pdf; preflight

i
The vehicle locks centrally once you have
pulled away. The locking knobs in the doors
drop down.
You can open the doors from the inside at
any time.
You can also deactivate the automatic lock-
ing feature (Y page 104).
i It is only possible to move the selector
lever to the desired position if you depress
the brake pedal. Only then is the selector
lever lock released.
X Depress the brake pedal and keep it
depressed.
X Move the selector lever to position Dor R.
X Release the parking brake (Y page 84).
X Release the brake pedal.
X Carefully depress the accelerator pedal.
i Upshifts take place at higher engine
speeds after a cold start. This helps the
catalytic converter to reach its operating
temperature more quickly.
Hill start assist Hill start assist helps you when pulling away
on uphill gradients. It holds the vehicle for a
short time after you have removed your foot
from the brake pedal. This gives you enough
time to move your foot from the brake pedal
to the accelerator pedal and depress it before
the vehicle begins to roll. G
Risk of accident
Never leave the vehicle when it is held by hill
start assist. After approximately one second,
hill start assist will no longer brake your vehi-
cle and it could roll away.
X Take your foot off the brake pedal.
i Once you have taken your foot off the
brake pedal, the vehicle is held for around
one second.
X Pull away. Hill start assist does not function if:
R
you are pulling away on a level road or a
downhill gradient.
R the selector lever is in position N.
R the vehicle is secured with the parking
brake.
R ESP ®
is malfunctioning. Parking
G
Risk of accident
Only remove the key from the ignition lock
when the vehicle is stationary, as you cannot
steer the vehicle with the key removed.
Never leave children unsupervised in the vehi-
cle. They could release the parking brake. This
could lead to a serious or fatal accident. G
Risk of fire
Make sure that the exhaust system does not
under any circumstances come into contact
with easily ignitable material such as dry grass
or petrol. The material could otherwise ignite
and set the vehicle on fire.
Parking brake X
To apply: depress parking brake ;.
The J warning lamp in the instrument
cluster lights up if the engine is running.
i On steep slopes, turn the front wheels
towards the kerb. 84 Driving and parkingControls
X204_AKB; 1; 5, en-GB
wobuchh,
Version: 2.11.4 2008-10-15T13:20:56+02:00 - Seite 84Dateiname: 6515_0671_02_buchblock.pdf; preflight

submenu is only reset if the vehicle is sta-
tionary.
X Press the =or; button to select the
Settings menu.
X Press the :or9 button to select the
Factory setting submenu.
X Press the abutton to confirm.
The Reset all settings? message is
shown.
X Press the :or9 button to select
Yes orNo.
X Press the abutton to confirm the selec-
tion.
If you have selected Yes, the multi-function
display shows a confirmation message. Off-road driving
Overview of off-road driving systems
The systems which are relevant for off-road
driving are explained on the following pages:
R 4MATIC (permanent four-wheel drive), for
optimum traction
R DSR (Downhill Speed Regulation)* (vehi-
cles with Off-Road Pro engineering pack-
age*), which assists you when driving
downhill
R Off-road driving program* (vehicles with
Off-road Pro engineering package*), which
assists you when driving off-road
You will find further information about driving
off-road in the "Operation" section
(Y page 158). 4MATIC* (permanent four-wheel
drive)
4MATIC ensures that all four wheels are per-
manently driven. Together with ESP ®
and
ETS, it improves the traction of your vehicle
whenever a drive wheel spins due to insuffi-
cient grip. G
Risk of accident
4MATIC cannot reduce the risk of an accident
if you drive too fast.
If a drive wheel spins due to insufficient grip:
R only depress the accelerator pedal as far as
necessary when pulling away.
R accelerate less when driving.
R adapt your driving style to suit road and
traffic conditions.
i In wintry driving conditions, the maximum
effect of 4MATIC can only be achieved if
you use winter tyres (M+S tyres), with snow
chains if necessary.
! When testing the parking brake, operate
the vehicle only briefly (for a maximum of
ten seconds) on a brake test dynamometer.
When doing this, turn the key to position
0 or 1in the ignition. Failure to do this can
cause damage to the drive train or the
brake system.
! A function or performance test should
only be carried out on a twin-axle dyna-
mometer. If you wish to operate the vehicle
on such a dynamometer, please consult a
Mercedes-Benz Service Centre in advance.
You could otherwise damage the drive train
or the brake system. DSR (Downhill Speed Regulation)*
(vehicles with the off-road engineer-
ing package*)
You will find information about driving off-
road in the "Operation" section
(Y page 158).
DSR is an aid to assist you when driving down-
hill. It keeps the speed of travel at the speed
selected on the on-board computer. The
steeper the downhill gradient, the greater the
DSR braking effect on the vehicle. When driv-
ing on flat stretches of road or on an uphill Off-road driving
105Controls
* optional
X204_AKB; 1; 5, en-GB
wobuchh,
Version: 2.11.4 2008-10-15T13:20:56+02:00 - Seite 105 ZDateiname: 6515_0671_02_buchblock.pdf; preflight

Driving systems
Overview of driving systems
The vehicle's driving systems are described
on the following pages:
R cruise control* and Speedtronic*, which
are used to control the speed of the vehicle
R Parktronic*, which assists you in parking
and manoeuvring
R reversing camera*, which assists you when
parking and manoeuvring
The ABS, BAS, adaptive brake lights, ESP ®
and EBV (electronic brake-power distribution)
driving safety systems are described in the
"Driving safety systems" section
(Y page 51). Cruise control*
Cruise control maintains a constant road
speed for you. It brakes automatically in order
to avoid exceeding the set speed. On long and
steep downhill gradients, especially if the
vehicle is laden or towing a trailer, you must
select shift range 1,2or3 in good time. By
doing so, you will make use of the braking
effect of the engine, which relieves the load
on the brake system and prevents the brakes
from overheating and wearing too quickly. G
Risk of accident
Do not change down for additional engine
braking on a slippery road surface. This could
cause the drive wheels to lose their grip and
the vehicle could skid.
Use cruise control only if road and traffic con-
ditions make it appropriate to maintain a
steady speed for a prolonged period. You can
store any road speed above 30 km/h. G
Risk of accident
Cruise control cannot take account of road
and traffic conditions. Always pay attention to traffic conditions
even when cruise control is activated.
Cruise control is only an aid designed to assist
driving. You are responsible for the vehicle's
speed and for braking in good time. G
Risk of accident
Do not use cruise control:
R in road and traffic conditions which do not
allow you to maintain a constant speed (e.g.
heavy traffic or winding roads). You could
otherwise cause an accident.
R on slippery roads. Braking or accelerating
could cause the drive wheels to lose trac-
tion and the vehicle could then skid.
R when there is poor visibility, e.g. due to fog,
heavy rain or snow
Cruise control display in the speedom-
eter (vehicles with the luxury multi-
function steering wheel *,12 buttons) When cruise control is activated, the seg-
ments from the set speed to the maximum
speed light up in the multi-function display.
:
Segments
Cruise control lever You can operate cruise control and variable
Speedtronic with the cruise control lever.
The LIM indicator lamp on the cruise control
lever indicates which system you have selec-
ted:
R
LIM indicator lamp off: 108 Driving systemsControls
* optional
X204_AKB; 1; 5, en-GB
wobuchh,
Version: 2.11.4 2008-10-15T13:20:56+02:00 - Seite 108Dateiname: 6515_0671_02_buchblock.pdf; preflight

cruise control adjusts the vehicle's speed
to the last speed stored after you have fin-
ished overtaking.
i Deceleration of the vehicle by means of
the cruise control lever is assisted by auto-
matic application of the brakes.
On long downhill gradients, the automatic
transmission also shifts down.
Making adjustments in 1 km/hincre-
ments X
Briefly press the cruise control lever to the
pressure point, up :for a higher speed or
down ?for a lower speed.
The last speed stored is increased or
reduced.
Making adjustments in 10 km/hincre-
ments X
Briefly press the cruise control lever
beyond the pressure point up :for a
higher speed or down ?for a lower speed.
The last speed stored is increased or
reduced.
Deactivating cruise control There are several ways to deactivate cruise
control:
X
Briefly press the cruise control lever for-
wards B.
or
X Brake.
or
X Briefly press the cruise control lever in the
direction of arrow A.
Variable Speedtronic is selected. LIM indi-
cator lamp ;in the cruise control lever
lights up.
Cruise control is automatically deactivated if:
R you depress the parking brake
R you drive at less than 30 km/h R
ESP ®
intervenes or you deactivate ESP ®
R you move the selector lever to Nwhile driv-
ing
If cruise control is deactivated, you will hear
a warning tone. You see the Cruise control
off message in the multi-function display for
approximately five seconds.
i The last speed stored is cleared when you
switch off the engine. Speedtronic*
Speedtronic brakes automatically so that you
do not exceed the set speed. On long and
steep downhill gradients, especially if the
vehicle is laden or towing a trailer, you must
select shift range 1,2or3 in good time. By
doing so, you will make use of the braking
effect of the engine, which relieves the load
on the brake system and prevents the brakes
from overheating and wearing too quickly. If
you need additional braking, depress the
brake pedal repeatedly rather than continu-
ously. G
Risk of accident
Never depress the brake pedal continuously
while the vehicle is in motion, e.g. never cause
the brakes to rub by applying constant slight
pedal pressure. This causes the brake system
to overheat, increases the braking distance
and can lead to the brakes failing completely. G
Risk of accident
Do not change down for additional engine
braking on a slippery road surface. This could
cause the drive wheels to lose their grip and
the vehicle could skid. 110 Driving systemsControls
* optional
X204_AKB; 1; 5, en-GB
wobuchh,
Version: 2.11.4 2008-10-15T13:20:56+02:00 - Seite 110Dateiname: 6515_0671_02_buchblock.pdf; preflight

Display messages
Possible causes/consequences and
X
X Solutions # a
with 4
buttons:
Check
brake wear
a with
12 buttons:
Check
brake wear The brake pads/linings have reached their wear limit.
X
Visit a qualified specialist workshop. J Check
brake
fluid
level
G
Risk of accident
There is insufficient brake fluid in the brake fluid reservoir. In
addition, the Jindicator lamp in the instrument cluster
lights up and a warning tone sounds.
X Pull over and stop the vehicle safely as soon as possible,
paying attention to road and traffic conditions. Do not con-
tinue driving under any circumstances.
X Consult a qualified specialist workshop.
Do not top up the brake fluid. This will not rectify the fault. J a
with 4
buttons:
Release
park.
brake
a with
12 buttons:
Release
parking
brake You are driving with the parking brake applied. A warning tone
also sounds.
X
Release the parking brake. J EBV, ABS,
ESP inop-
erative
See Own-
er's Man-
ual
G
Risk of accident
EBV (electronic brake force distribution), ABS, ESP ®
, BAS,
PRE-SAFE ®
*, hill start assist and ESP ®
trailer stabilisation are
unavailable due to a malfunction. In addition, the dwarn-
ing lamp in the instrument cluster lights up and a warning tone
sounds.
The brake system continues to function normally, but without
the functions listed above.
X Drive on carefully.
X Visit a qualified specialist workshop immediately. Display
messages
185Practical advice
* optional
X204_AKB; 1; 5, en-GB
wobuchh
,V ersion: 2.11.4
2008-10-15T13:20:56+02:00 - Seite 185 ZDateiname: 6515_0671_02_buchblock.pdf; preflight

X
Hold wiper arm :and press wiper
blade ;in the direction of the arrow until
it releases.
X Remove wiper blade ;.
Fitting X
Place the new wiper blade ;onto wiper
arm :.
X Hold wiper arm :and press wiper
blade ;in the opposite direction to the
arrow until it engages.
X Make sure that wiper blade ;is seated
correctly.
X Position wiper blade ;parallel to wiper
arm :.
X Fold wiper arm :back onto the rear win-
dow. Flat tyre
Flat tyre equipment variants
Your vehicle may be equipped with:
R a TIREFIT kit (Y page 175)
R a collapsible emergency spare
wheel* (Y page 175) Preparing the vehicle
X Stop your vehicle as far away from traffic
as possible on solid, non-slippery, level
ground.
X Switch on the hazard warning lamps.
X Firmly depress the parking brake.
X Move the selector lever to P.
X All occupants must get out of the vehicle.
Make sure that they are not endangered as
they do so.
X Make sure that no one is near the danger
area whilst a wheel is being changed. Any-
one who is not directly assisting in the
wheel change should, for example, stand
behind the barrier. X
Switch off the engine.
X Remove the key from the ignition lock.
X Get out of the vehicle.
X Close the driver's door.
X Place the warning triangle (Y page 174) at
a suitable distance. Observe legal require-
ments. Using the TIREFIT kit
You can use the TIREFIT kit to seal small
punctures, particularly those in the tyre tread.
You can use TIREFIT at outside temperatures
down to -20 †. G
Risk of accident
In the following situations, your safety is at
particular risk and tyre sealant is unable to
provide breakdown assistance:
R if there are cuts or punctures in the tyre
greater than 4 mm
R if the wheel rim is damaged
R if you have driven at very low tyre pressures
or on a flat tyre
Do not drive any further. Consult a qualified
specialist workshop which has the necessary
specialist knowledge and tools to carry out
the work required.
Mercedes-Benz recommends that you use a
Mercedes-Benz Service Centre for this pur-
pose. In particular, work relevant to safety or
on safety-related systems must be carried out
at a qualified specialist workshop.
X Do not remove any foreign objects which
have penetrated the tyre, e.g. screws or
nails.
X Remove TIREFIT, the accompanying "max.
80 km/h" sticker and the electric air pump
from the stowage well underneath the lug-
gage compartment floor (Y page 175).222 Flat tyrePractical advice
* optional
X204_AKB; 1; 5, en-GB
wobuchh,
Version: 2.11.4 2008-10-15T13:20:56+02:00 - Seite 222Dateiname: 6515_0671_02_buchblock.pdf; preflight