ESP MERCEDES-BENZ GLK SUV 2008 Owner's Guide
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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
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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
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You can set a variable or permanent limit
speed:
R
variable for speed limits, e.g. in built-up
areas
R permanent for long-term speed restric-
tions, e.g. for driving on winter tyres
(Y page 112) G
Risk of accident
Speedtronic is only an aid designed to assist
driving. You are responsible for the vehicle's
speed and for braking in good time.
i The speed indicated in the speedometer
may differ slightly from the limit speed
stored.
Variable Speedtronic 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:
Cruise control* is selected
R LIM indicator lamp lit:
variable Speedtronic is selected
You can use the cruise control lever to limit
the speed to any speed above 30 km/h while
the engine is running. :
To store the current speed or a higher
speed
; LIM indicator lamp =
To store the current speed or call up the
last stored speed
? To store the current speed or a lower
speed
A To switch between cruise control* and
variable Speedtronic
B To deactivate variable Speedtronic
Selecting variable Speedtronic X
Check whether LIM indicator lamp ;is on.
If it is on, variable Speedtronic is already
selected.
If it is not, press the cruise control lever in
the direction of arrow A.
LIM indicator lamp ;in the cruise control
lever lights up. Variable Speedtronic is
selected. G
Risk of accident
If there is a change of drivers, advise the new
driver of the limit speed stored.
Only use Speedtronic when you do not have
to accelerate suddenly to a speed higher than
the stored limit speed allows. You could, oth-
erwise, cause an accident.
You can only exceed the limit speed stored if
you deactivate variable Speedtronic:
R using the cruise control lever
R by depressing the accelerator pedal
beyond the pressure point (kickdown)
It is not possible to deactivate variable Speed-
tronic by braking.
Storing the current speed You can use the cruise control lever to limit
the speed to any speed above 30 km/h while
the engine is running.
X
Briefly press the cruise control lever to the
pressure point up :or down ?.
The current speed is stored. For five sec-
onds, the multi-function display shows the
stored speed, e.g. Limit 100 km/h. Driving systems
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Setting permanent Speedtronic
X
Press =or; to highlight the Set-
tings menu and select with a.
X Press :or9 to highlight the Vehi-
cle submenu and select with a.
X Press :or9 to select the Limit
speed (winter tyres): function.
You can see the current setting.
X To change this, press a. X
Press :or9 to select the desired
setting.
The following settings can be selected:
R Off
Permanent Speedtronic is deactivated.
R a limit speed between 230 km/hand
160 km/h in increments of 10 km/h
X Press ato save the entry. Parktronic*
G
Risk of accident
Parktronic is only an aid and may not detect
all obstacles. It is not a substitute for attentive
driving.
You are always responsible for safety and
must continue to pay attention to your imme-
diate surroundings when parking and
manoeuvring. You could, otherwise, endanger
yourself and others. G
Risk of injury
Make sure that no persons or animals are in
the manoeuvring range. Otherwise, they
could be injured. Parktronic is an electronic parking aid with
ultrasound. It indicates visually and audibly
the distance between your vehicle and an
object.
Parktronic is automatically activated when
you switch on the ignition and release the
handbrake.
Parktronic is deactivated at speeds above
18 km/h. It is reactivated at lower speeds.
Parktronic monitors the area around your
vehicle using six sensors in the front bumper
and four sensors in the rear bumper.
:
Example: sensors in the front bumper,
left-hand side
Range of the sensors The sensors must be free of dirt, ice and
slush; otherwise, they may not function cor-
rectly. Clean the sensors regularly, taking
care not to scratch or damage them.
Side view Driving systems
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onds. You have reached the minimum dis-
tance.
Deactivating/activating Parktronic :
Indicator lamp
; To deactivate/activate Parktronic
If indicator lamp :lights up, Parktronic is
deactivated.
i Parktronic is automatically activated
when you turn the key to position 2in the
ignition lock.
Trailer towing* Parktronic is deactivated for the rear area
when you establish an electrical connection
between your vehicle and a trailer.
! Fold in the ball coupling if the trailer tow
hitch is not required. Parktronic measures
the minimum detection range to an obsta-
cle from the bumper, not the ball coupling. Reversing camera*
The reversing camera is an optical aid. It
shows the area behind your vehicle in the
COMAND APS display. G
Risk of injury
Make sure that no persons or animals are in
the manoeuvring range. Otherwise, they
could be injured. The reversing camera is located in the handle
strip of the tailgate. :
Reversing camera
View through the camera The area behind the vehicle is displayed in a
mirrored fashion, as in the rear-view mirror.
G
Risk of accident
The reversing camera is only an aid and may
display obstacles in a distorted or incorrect
manner, or may not even display them at all.
The reversing camera does not relieve you of
the responsibility to pay attention. The cam-
era cannot show objects:
R very near to the rear bumper
R below the rear bumper
R that are located above the tailgate handle
recess
You are always responsible for safety and
must continue to pay attention to your imme-
diate surroundings when parking and
manoeuvring. This applies to the areas
behind, in front of and next to the vehicle. You
could, otherwise, endanger yourself and oth-
ers. G
Risk of accident
Under the following circumstances, the
reversing camera will not function, or function
in a limited manner:
R if the tailgate is open
R in heavy rain, snow or fog Driving systems
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X
To deactivate: press theTbutton.
The indicator lamp in the Tbutton goes
out.
i The residual heat automatically switches
off after around 30 minutes or if:
R the ignition is switched on
R the battery voltage drops Sliding sunroof
General notes
G
Risk of injury
Make sure that nobody can become trapped
when closing the sliding sunroof. If there is a
risk of entrapment, release the switch and
push it briefly in any direction to stop the slid-
ing sunroof. G
Risk of injury
Children could injure themselves if they oper-
ate the sliding sunroof.
Never leave children unsupervised in the vehi-
cle. Always take the key with you when leaving
the vehicle, even if you are only leaving it for
a short time. G
Risk of injury
The glass in the panorama sunroof could
break in an accident. If you are not wearing a
seat belt, there is a risk that you could be
thrown through the opening in the event of the
vehicle overturning. Therefore, always wear a
seat belt to reduce the risk of injuries.
! Only open the panorama sliding sunroof
if it is free of snow and ice. Otherwise, mal-
functions may occur.
Do not allow anything to protrude from the
sliding sunroof. The seals could otherwise
be damaged.
i When the sliding sunroof is open, apart
from the normal airflow noises resonance
noises may also occur. They are caused by minor pressure fluctuations in the vehicle
interior. Change the position of the sliding
sunroof or open a side window slightly to
reduce or eliminate these noises.
i Related topics:
R convenience opening from the outside
(Y page 82) or from the inside
(Y page 126)
R convenience closing from the outside
(Y page 82) or from the inside
(Y page 126)
R automatic closing of the sliding sunroof
(PRE-SAFE) (Y page 40) Panorama sliding sunroof*
:
To open
; To close/lower
= To raise
X Turn the key to position 1or 2in the ignition
lock.
X Pull or push the switch in the corresponding
direction.
i If you press the switch beyond the point
of resistance, an automatic opening/clos-
ing process is started in the corresponding
direction. You can stop automatic opera-
tion by pressing again. Sliding sunroof
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Closing with increased force and with-
out the anti-entrapment feature G
Risk of injury
You could be severely or even fatally injured
when closing the panorama sliding sunroof
with increased closing force or if the anti-
entrapment feature is deactivated. Make sure
that nobody can become trapped when clos-
ing the panorama sliding sunroof.
If the panorama sliding sunroof blocks during
closing:
X Immediately after the panorama sliding
sunroof blocks, pull the switch again to the
point of resistance in the direction of
arrow ;until the panorama sliding sun-
roof is closed.
The panorama sliding sunroof is closed
with more force.
If the panorama sliding sunroof blocks during
closing again:
X Immediately after the panorama sliding
sunroof blocks, pull the switch again to the
point of resistance in the direction of
arrow ;until the panorama sliding sun-
roof is closed.
The panorama sliding sunroof is closed
without the anti-entrapment feature.
Rain closing feature* When the key is in position
0in the ignition
lock or is removed, the panorama sliding sun-
roof closes automatically:
R if it starts to rain
R at extreme outside temperatures
R after six hours
R if there is a malfunction in the power supply
The panorama sliding sunroof remains raised
at the rear in order to allow ventilation of the
vehicle interior.
i If the panorama sliding sunroof is obstruc-
ted when being closed by the rain closing feature, it opens again slightly. The rain
closing feature is then deactivated.
The panorama sliding sunroof does not close
if:
R it is raised at the rear
R it is blocked
R no rain is falling on the area of the wind-
screen being monitored by the rain sensor
(e.g. because the vehicle is under a bridge
or in a carport) Roller sunblinds for the panorama
sliding sunroof*
The roller sunblinds provide protection from
the sun. The two roller sunblinds can only be
opened and closed together when the pano-
rama sliding sunroof is closed. G
Risk of injury
Make sure that nobody can become trapped
as you open or close the roller sunblinds. :
To open
; To close
= To open
X Turn the key to position 1or 2in the ignition
lock.
X Pull or push the switch in the corresponding
direction.
i If you press the switch beyond the point
of resistance, an automatic opening/clos- 128 Sliding sunroofControls
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ing process is started in the corresponding
direction. You can stop automatic opera-
tion by pressing again.
Resetting the panorama sliding sunroof
and the roller sunblinds Reset the panorama sliding sunroof and the
roller sunblinds if the panorama sliding sun-
roof or the roller sunblinds do not open
smoothly.
X Turn the key to position 1or 2in the ignition
lock.
X Pull the switch to the point of resistance in
the direction of arrow ;until the roller
sunblinds are fully closed.
X Keep the switch pulled for an additional
second.
X Press the switch to the point of resistance
in the direction of arrow :and hold it until
the roller sunblinds are fully open.
X Press the switch to the point of resistance
in the direction of arrow :and hold it until
the panorama sliding sunroof has opened
about 10 cm.
X Pull the switch repeatedly to the point of
resistance in the direction of arrow ;until
the panorama sliding sunroof is fully
closed.
X Keep the switch pulled for an additional
second.
X Check whether the panorama sliding sun-
roof can be opened fully again
(Y page 127).
X If this is not the case, consult a qualified
specialist workshop. Loading and stowing
Loading guidelines
The handling characteristics of a laden vehi-
cle depend on the distribution of the load
within the vehicle. You should therefore load
your vehicle as shown in the illustrations. Observe the following notes when transport-
ing a load:
R
when transporting a load, never exceed the
maximum permissible gross vehicle weight
or the permissible axle loads for the vehicle
(including occupants).
R position heavy loads as far forwards and as
low down in the luggage compartment as
possible.
R the load must not protrude above the upper
edge of the backrests.
R always place the load against the front or
rear seat backrests.
R always place the load behind unoccupied
seats if possible.
R secure the load with sufficiently strong and
wear-resistant load restraints. Pad sharp
edges for protection. Stowage compartments
G
Risk of injury
The stowage compartments must be closed
when items are stored in them. Luggage nets Loading and stowing
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Enlarging the luggage compartment
The left and right sides of the rear seat back-
rest can be folded down to increase the lug-
gage compartment capacity. G
Risk of injury
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
Risk of poisoning
Always drive with the tailgate closed. Exhaust
fumes could otherwise enter the vehicle inte-
rior.
Folding the rear seat backrest forwards !
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.
X Fully insert the rear seat backrest head
restraints (Y page 64).
X If necessary, move the driver's or front-
passenger seat forward. X
Pull left-hand or right-hand release han-
dle ;of the rear seat backrest forwards.
Corresponding rear seat backrest :is
unlocked.
X Fold rear seat backrest :forwards.
X If necessary, move the driver's or front-
passenger seat back.
Folding the rear seat backrest back :
Rear seat backrest
; Lock verification indicator
= Rear seat backrest release handle
X If necessary, move the driver's or front-
passenger seat forward.
! Make sure that the seat belt does not
become trapped when folding the rear seat
backrest back. Otherwise, it could be dam-
aged.
X Swing rear seat backrest :back until it
engages.
Red lock verification indicator ;is no lon-
ger visible. G
Risk of injury
Make sure that the backrest is correctly
locked in position. 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
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on the left-hand side when viewed in the
direction of travel. i
Add windscreen washer concentrate to
the washer fluid all year round. G
Risk of fire
Windscreen washer fluid is highly flammable.
Fire, naked flames and smoking are prohibi-
ted when handling washer fluid concentrate.
! Only use windscreen washer fluid which
is suitable for plastic lamp lenses. Unsuit-
able windscreen washer fluid could dam-
age the plastic lamp lenses of the head-
lamps.
X Mix the windscreen washer fluid in a con-
tainer beforehand.
X At temperatures below freezing:
Fill the washer fluid reservoir with a mix of
water and windscreen washer concentrate
(e.g. MB SummerFit).
X At temperatures below freezing:
Fill the washer fluid reservoir with a mix of
water, antifreeze additive and windscreen
washer concentrate (e.g. MB WinterFit).
Adapt the mixing ratio to the outside tem-
peratures.
X To open: pull cap:upwards by the tab.
X Top up with the premixed washer fluid.
X To close: press cap :onto the filler neck
until it clicks into place. Tyres and wheels
Points to remember
! For safety reasons, Mercedes-Benz rec-
ommends that you only use tyres and
wheels which have been approved by
Mercedes-Benz specifically for your vehi-
cle. These tyres have been specially adap-
ted for use with the control systems, such
as ABS or ESP ®
, and are marked as follows:
R MO = Mercedes-Benz Original
If you use other tyres and wheels,
Mercedes-Benz cannot accept any respon-
sibility for damage that may result from
this. Further information about tyres,
wheels and approved combinations can be
obtained from any Mercedes-Benz Service
Centre.
If you use tyres other than those tested and
recommended for Mercedes-Benz vehi-
cles, characteristics such as handling, vehi-
cle noise emissions and fuel consumption
may be adversely affected. In addition, the
wheels may come into contact with the
body or axle components when heavily loa-
ded or when driving with snow chains. This
could result in damage to the tyres or the
vehicle.
! Retreaded tyres are neither tested nor
recommended by Mercedes-Benz, since
previous damage cannot always be detec-
ted on retreaded tyres. As a result,
Mercedes-Benz cannot guarantee vehicle
safety if retreaded tyres are fitted. Do not
fit used tyres if you have no information
about their previous usage. G
Risk of accident
Tyres, wheels or accessories which have not
been approved by Mercedes-Benz for your
vehicle or are not used as they should be, can
impair driving safety. As a result, you could
cause an accident. Before purchasing and
using them, enquire about their suitability, 150 Tyres and wheelsOperation
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