2013-2019 Mercedes GLA SUV Driving and parking -> Driving tips User Manual
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Driving and parking -> Driving tips for Your Mercedes GLA SUV First Generation (2013-2019)

If the transmission is in position R, the tailgate
must be closed.
If your seat belt is not fastened, the following
conditions must be fulfilled to automatically
release the electric parking brake:
R
the driver's door is closed.
R
you have shifted out of transmission posi-
tion P or you have previously driven faster
than 2 mph (3 km/h).
i
Ensure that you do not depress the accel-
erator pedal unintentionally. Otherwise the
parking brake will be released and the vehi-
cle will start to move.
Emergency braking
The vehicle can also be braked during an
emergency by using the electric parking
brake.
X
While driving, push handle : of the electric
parking brake (Y page 160).
i
The vehicle is braked for as long as han-
dle : of the electric parking brake is
pressed. The longer electric parking brake
handle : is depressed, the greater the
braking force.
During braking:
R
a warning tone sounds
R
the
Release park. brakeRelease park. brake message
appears
R
the red F (USA only) or ! (Canada
only) indicator lamp in the instrument clus-
ter flashes
When the vehicle has been braked to a stand-
still, the electric parking brake is engaged.
Parking the vehicle for a long period
If you leave the vehicle parked for longer than
four weeks, the battery may be damaged by
exhaustive discharging.
If you leave the vehicle parked for longer than
six weeks, the vehicle may suffer damage as a
result of lack of use.
X
Visit a qualified specialist workshop and
seek advice.
i
You can obtain information about trickle
chargers from a qualified specialist work-
shop.
Driving tips
General notes
Important safety notes
G
WARNING
If you switch off the ignition while driving,
safety-relevant functions are only available
with limitations, or not at all. This could affect,
for example, the power steering and the brake
boosting effect. You will require considerably
more effort to steer and brake. There is a risk
of an accident.
Do not switch off the ignition while driving.
G
WARNING
If you operate mobile communication equip-
ment while driving, you will be distracted from
traffic conditions. You could also lose control
of the vehicle. There is a risk of an accident.
Only operate this equipment when the vehicle
is stationary.
Observe the legal requirements for the coun-
try in which you are driving. Some jurisdic-
tions prohibit the driver from using a mobile
phone while driving a vehicle.
If you make a call while driving, always use
hands-free mode. Only operate the telephone
when the traffic situation permits. If you are
unsure, pull over to a safe location and stop
before operating the telephone.
Bear in mind that at a speed of only 30 mph
(approximately 50 km/h), the vehicle covers
a distance of 44 ft (approximately 14 m) per
second.
162
Driving tips
Driving and parking
Drive sensibly – save fuel
Observe the following tips to save fuel:
R
The tires should always be inflated to the
recommended tire pressure.
R
Remove unnecessary loads.
R
Remove roof racks when they are not nee-
ded.
R
Warm up the engine at low engine speeds.
R
Avoid frequent acceleration or braking.
R
Have all maintenance work carried out as
indicated by the service intervals in the
Maintenance Booklet or by the service
interval display.
Fuel consumption also increases when driv-
ing in cold weather, in stop-start traffic and in
hilly terrain.
Drinking and driving
G
WARNING
Drinking and driving and/or taking drugs and
driving are very dangerous combinations.
Even a small amount of alcohol or drugs can
affect your reflexes, perceptions and judg-
ment.
The possibility of a serious or even fatal acci-
dent is greatly increased when you drink or
take drugs and drive.
Do not drink or take drugs and drive or allow
anyone to drive who has been drinking or tak-
ing drugs.
Emission control
G
WARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Inhaling
these exhaust gases leads to poisoning. There
is a risk of fatal injury. Therefore never leave
the engine running in enclosed spaces with-
out sufficient ventilation.
Certain engine systems are designed to keep
the level of poisonous components in exhaust
fumes within legal limits.
These systems only work at peak efficiency if
they are serviced exactly in accordance with
the manufacturer's specifications. For this
reason, only have work on the engine carried
out by qualified and authorized Mercedes-
Benz technicians.
The engine settings must not be changed
under any circumstances. Furthermore, all
specific service work must be carried out at
regular intervals and in accordance with the
Mercedes-Benz service requirements. Details
can be found in the Maintenance Booklet.
ECO display
The ECO display provides feedback on how
economical your driving characteristics are.
The ECO display assists you in achieving the
most economical driving style for the selec-
ted settings and prevailing conditions. Your
driving style can significantly influence the
vehicle's consumption.
Example: ECO display
The ECO display consists of three bars:
R
AccelerationAcceleration
R
ConstantConstant
R
CoastingCoasting
The percent value is the average value of the
three bars. The three bars and the mean value
begin at the value of 50%. A higher percent-
age indicates a more economical driving
style.
The ECO display does not indicate the actual
fuel consumption. A fixed percentage count
in the ECO display does not indicate a fixed
consumption.
Driving tips
163
Driving and parking
Z
Apart from driving style, consumption is
dependent on many factors such as, e.g.:
R
load
R
tire pressure
R
cold start
R
choice of route
R
electrical consumers switched on
These factors are not included in the ECO dis-
play.
The evaluation of your driving style is carried
out using the following three categories:
R
AccelerationAcceleration (evaluation of all accelera-
tion processes):
-
The bar fills up: moderate acceleration,
especially at higher speeds
-
The bar empties: sporty acceleration
R
ConstantConstant (assessment of driving behavior
at all times):
-
The bar fills up: constant speed and
avoidance of unnecessary acceleration
and deceleration
-
The bar empties: fluctuations in speed
R
CoastingCoasting (assessment of all deceleration
processes):
-
The bar fills up: anticipatory driving,
keeping your distance and early release
of the accelerator. The vehicle can coast
without use of the brakes.
-
The bar empties: frequent braking
i
An economical driving style specially
requires driving at moderate engine
speeds.
To achieve a higher value in the categories
AccelerationAcceleration and ConstantConstant:
R
observe the gearshift recommendations.
R
drive in drive program E.
i
On long journeys at a constant speed, e.g.
on the highway, only the bar for
ConstantConstant
will change.
i
The ECO display summarizes the driving
characteristics from the start of the journey
to its completion. For this reason, the bars
change dynamically at the beginning of the
journey. On longer journeys, there are
fewer changes. For more dynamic changes,
carry out a manual reset.
For further information on the ECO display,
see (Y page 208).
Braking
Important safety notes
G
WARNING
If you shift down on a slippery road surface in
an attempt to increase the engine's braking
effect, the drive wheels could lose their grip.
There is an increased danger of skidding and
accidents.
Do not shift down for additional engine brak-
ing on a slippery road surface.
Downhill gradients
!
On long and steep gradients, you must
reduce the load on the brakes by shifting to
a lower gear in good time. This allows you to
take advantage of the engine's braking
effect. For this, you need to have selected
manual drive program M. This helps you to
avoid overheating the brakes and wearing
them out excessively.
When you take advantage of the engine's
braking effect, a drive wheel may not turn
for some time, e.g. on a slippery road sur-
face. This could cause damage to the drive
train. This type of damage is not covered by
the Mercedes-Benz warranty.
i
Briefly depressing the accelerator pedal
on downhill gradients while the manual
drive program M is temporarily activated:
the automatic transmission may switch to
the last active automatic drive program E or
S. The automatic transmission may shift to
a higher gear. This can reduce the engine's
braking effect.
164
Driving tips
Driving and parking
Heavy and light loads
G
WARNING
If you rest your foot on the brake pedal while
driving, the braking system can overheat. This
increases the stopping distance and can even
cause the braking system to fail. There is a
risk of an accident.
Never use the brake pedal as a footrest. Never
depress the brake pedal and the accelerator
pedal at the same time.
!
Depressing the brake pedal constantly
results in excessive and premature wear to
the brake pads.
If the brakes have been subjected to a heavy
load, do not stop the vehicle immediately.
Drive on for a short while. This allows the air-
flow to cool the brakes more quickly.
Wet roads
If you have driven for a long time in heavy rain
without braking, there may be a delayed reac-
tion from the brakes when braking for the first
time. This may also occur after the vehicle has
been washed or driven through deep water.
You have to depress the brake pedal more
firmly. Maintain a greater distance from the
vehicle in front.
After driving on a wet road or having the vehi-
cle washed, brake firmly while paying atten-
tion to the traffic conditions. This will warm up
the brake discs, thereby drying them more
quickly and protecting them against corro-
sion.
Limited braking performance on salt-
treated roads
If you drive on salted roads, a layer of salt
residue may form on the brake discs and
brake pads. This can result in a significantly
longer braking distance.
R
Brake occasionally to remove any possible
salt residue. Make sure that you do not
endanger other road users when doing so.
R
Carefully depress the brake pedal and the
beginning and end of a journey.
R
Maintain a greater distance to the vehicle
ahead.
Servicing the brakes
!
If the red brake warning lamp lights up in
the instrument cluster and you hear a warn-
ing tone while the engine is running, the
brake fluid level may be too low. Observe
additional warning messages in the multi-
function display.
The brake fluid level may be too low due to
brake pad wear or leaking brake lines.
Have the brake system checked immedi-
ately. This work should be carried out at a
qualified specialist workshop.
!
A function or performance test should
only be carried out on a 2-axle dynamom-
eter. If you are planning to have the vehicle
tested on such a dynamometer, contact an
authorized Mercedes-Benz Center to
obtain further information first. Otherwise,
you could damage the drive train or the
brake system.
!
As the ESP
®
system operates automati-
cally, the engine and the ignition must be
switched off (the SmartKey must be in posi-
tion 0 or 1 in the ignition lock) if:
R
the electric parking brake is tested on a
brake dynamometer (for a maximum of
ten seconds)
R
the vehicle is towed with the front axle
raised.
Braking triggered automatically by ESP
®
may seriously damage the brake system.
All checks and maintenance work on the
brake system must be carried out at a quali-
fied specialist workshop. Consult a qualified
specialist workshop to arrange this.
Driving tips
165
Driving and parking
Z
Have brake pads installed and brake fluid
replaced at a qualified specialist workshop.
If the brake system has only been subject to
moderate loads, you should test the function-
ality of your brakes at regular intervals.
You can find a description of Brake Assist
(BAS) on (Y page 65).
Mercedes-Benz recommends that you only
have brake pads/linings installed on your
vehicle which have been approved for
Mercedes-Benz vehicles or which correspond
to an equivalent quality standard. Brake
pads/linings which have not been approved
for Mercedes-Benz vehicles or which are not
of an equivalent quality could affect your vehi-
cle's operating safety.
Mercedes-Benz recommends that you only
use brake fluid that has been specially
approved for your vehicle by Mercedes-Benz,
or which corresponds to an equivalent quality
standard. Brake fluid which has not been
approved for Mercedes-Benz vehicles or
which is not of an equivalent quality could
affect your vehicle's operating safety.
Checking brake lining thickness
You can measure the break pad/lining thick-
ness using a test gauge. Color-coding (green
or red) on the test gauge allows you to deter-
mine whether the brake pad/lining thickness
is still sufficient. The test gauge is in the vehi-
cle document wallet in the glove box.
Front wheel
Rear wheel
X
Bring the vehicle and wheels into a suitable
position so that you can attach test gauge
A.
X
Secure the vehicle against rolling away
(Y page 159).
X
Move the selector lever to position P.
X
Switch off the engine.
X
Place test gauge A between the wheel's
spokes on brake pad/lining =.
166
Driving tips
Driving and parking
X
Hold test gauge A vertically on brake
disc : and slide measuring pin ; onto
brake disc :.
X
Check which color field ? the arrow on
measuring pin ; is pointing to.
Green: the brake pad/lining thickness is
sufficient.
Red: the brake pad/lining thickness is not
sufficient. Have the brake pads/lining
checked at a qualified specialist workshop.
To avoid an inaccurate measurement:
R
make sure you position the wheels suitably
R
do not put the measuring pin on a recess in
the brake disc
Driving on wet roads
Hydroplaning
If water has accumulated to a certain depth
on the road surface, there is a danger of
hydroplaning occurring, even if:
R
you drive at low speeds.
R
the tires have adequate tread depth.
For this reason, in the event of heavy rain or in
conditions in which hydroplaning may occur,
you must drive in the following manner:
R
lower your speed.
R
avoid ruts.
R
avoid sudden steering movements.
R
brake carefully.
Driving on flooded roads
!
Bear in mind that vehicles traveling in
front or in the opposite direction create
waves. This may cause the maximum per-
missible water depth to be exceeded.
Failure to observe these notes may result in
damage to the engine, electrical systems
and transmission.
If you have to drive on stretches of road on
which water has collected, you should never
drive at speeds above a walking pace.
Always observe the maximum fording depth
values (Y page 369).
Winter driving
G
WARNING
If you shift down on a slippery road surface in
an attempt to increase the engine's braking
effect, the drive wheels could lose their grip.
There is an increased danger of skidding and
accidents.
Do not shift down for additional engine brak-
ing on a slippery road surface.
G
DANGER
If the exhaust pipe is blocked or adequate
ventilation is not possible, poisonous gases
such as carbon monoxide (CO) may enter the
vehicle. This is the case, e.g. if the vehicle
becomes trapped in snow. There is a risk of
fatal injury.
If you leave the engine or the auxiliary heating
running, make sure the exhaust pipe and area
around the vehicle are clear of snow. To
ensure an adequate supply of fresh air, open a
window on the side of the vehicle that is not
facing into the wind.
Have your vehicle winterproofed at a qualified
specialist workshop at the onset of winter.
Drive particularly carefully on slippery road
surfaces. Avoid sudden acceleration, steering
and braking maneuvers. Do not use the cruise
control or DISTRONIC PLUS.
If the vehicle threatens to skid or cannot be
stopped when moving at low speed:
X
Shift the transmission to position N.
X
Try to bring the vehicle under control using
corrective steering.
The outside temperature indicator is not
designed to serve as an ice-warning device
and is therefore unsuitable for that purpose.
Changes in the outside temperature are dis-
played after a short delay.
Driving tips
167
Driving and parking
Z
Indicated temperatures just above the freez-
ing point do not guarantee that the road sur-
face is free of ice. The road may still be icy,
especially in wooded areas or on bridges.
You should pay special attention to road con-
ditions when temperatures are around freez-
ing point.
For more information on driving with snow
chains, see (Y page 327).
For more information on driving with summer
tires, see (Y page 326).
Observe the notes in the "Winter operation"
section (Y page 326).
Off-road driving
Important safety notes
G
WARNING
If you drive on a steep incline at an angle or
turn when driving on an incline, the vehicle
could slip sideways, tip and rollover. There is a
risk of an accident.
Always drive on a steep incline in the line of
fall (straight up or down) and do not turn the
vehicle.
G
WARNING
Flammable material such as leaves, grass or
twigs may ignite if they come into contact with
hot parts of the exhaust system. There is a risk
of fire.
When driving off road or on unpaved roads,
check the vehicle's underside regularly. In
particular, remove parts of plants or other
flammable materials which have become
trapped. In the case of damage, contact a
qualified specialist workshop.
!
There is a risk of damage to the vehicle if:
R
the vehicle becomes stuck, e.g. on a high
curb or an unpaved road
R
you drive too fast over an obstacle, e.g. a
curb or a hole in the road
R
a heavy object strikes the undercarriage
or parts of the chassis
In situations like this, the body, the under-
carriage, chassis parts, wheels or tires
could be damaged without the damage
being visible. Components damaged in this
way can unexpectedly fail or, in the case of
an accident, no longer withstand the strain
they are designed to.
If the underbody paneling is damaged,
combustible materials such as leaves,
grass or twigs can gather between the
underbody and the underbody paneling. If
these materials come in contact with hot
parts of the exhaust system, they can catch
fire.
In such situations, have the vehicle
checked and repaired immediately at a
qualified specialist workshop. If on con-
tinuing your journey you notice that driving
safety is impaired, pull over and stop the
vehicle immediately, paying attention to
road and traffic conditions. In such cases,
visit a qualified specialist workshop.
The vehicle is only designed for easily nego-
tiable off-road terrain and poor road surfaces.
When driving off-road, substances such as
sand, mud and water or water mixed with oil
may get into the brakes. This could result in a
reduced braking effect or in total brake failure
and also in increased wear and tear. The brak-
ing characteristics change depending on the
material ingressing the brakes. Clean the
brakes after driving off-road. If you detect a
reduced braking effect or grinding noises,
have the brake system checked in a qualified
specialist workshop as soon as possible.
Adapt your driving style to the different brak-
ing characteristics.
Driving off-road increases the likelihood of
damage to the vehicle, which, in turn, can lead
168
Driving tips
Driving and parking
to failure of the mechanical assembly or sys-
tems. Adapt your driving style to suit the ter-
rain conditions. Drive carefully. Have damage
to the vehicle rectified immediately at a quali-
fied specialist workshop.
Do not switch to transmission position N
when driving off-road. If you try to brake the
vehicle using the service brake, you could
lose control of the vehicle. If the gradient is
too steep for your vehicle, drive back down in
reverse gear.
General notes
H
Environmental note
Protection of the environment is of primary
importance. Treat nature with respect.
Observe all prohibiting signs.
Read this section carefully before driving your
vehicle off-road.
Off-road driving is only possible with the Off-
Road Engineering package (Y page 186).
The following driving systems are specially
adapted for driving over easily negotiable off-
road terrain:
R
Off-road program (Y page 186)
R
Off-road ABS (Y page 65)
R
Off-road 4ETS (Y page 69)
R
Off-road ESP
®
(Y page 72)
R
DSR (Downhill Speed Regulation)
(Y page 184)
Observe the following notes:
R
Stop the vehicle before starting to drive
along an off-road route. If necessary, acti-
vate the off-road program (Y page 186).
R
To avoid damaging the vehicle, make sure
there is always sufficient ground clearance.
R
Check that items of luggage and loads are
stowed safely and are well secured
(Y page 271).
R
Always keep the engine running and in gear
when driving on a downhill gradient. Acti-
vate DSR (Y page 184).
R
Drive slowly and evenly, if necessary at a
walking pace.
R
Ensure that the wheels are in contact with
the ground at all times.
R
Drive with extreme care on unfamiliar off-
road routes where visibility is poor. For
safety reasons, get out of the vehicle first
and survey the off-road route.
R
Check the depth of water before fording
rivers and streams.
R
Watch out for obstacles.
R
Take care when turning on an uphill or
downhill slope or when driving across a
slope. The vehicle could otherwise tip over.
R
Always keep the side windows and the pan-
orama roof with power tilt/sliding panel
closed during the journey.
R
Do not deviate from marked routes.
i
Do not use the HOLD function when driv-
ing off-road, on steep uphill or downhill gra-
dients or on slippery or loose surfaces. The
HOLD function cannot hold the vehicle on
such surfaces.
Checklist before driving off-road
X
Engine oil level: check the engine oil level
and add oil if necessary.
When driving on steep gradients, the
engine oil level must be sufficiently high to
ensure a correct oil supply in the vehicle.
X
Wheels and tires: check the tire tread
depth and tire pressure.
X
Check for damage and remove any foreign
objects, e.g. small stones, from the
wheels/tires.
X
Replace any missing valve caps.
X
Replace dented or damaged wheels.
X
Rims: dented or bent rims can result in a
loss of tire pressure and damage the tire
bead. Therefore, check your rims before
driving off-road and replace them as
required.
Driving tips
169
Driving and parking
Z
Checklist after driving off-road
!
If you detect damage to the vehicle after
driving off-road, have the vehicle checked
immediately at a qualified specialist work-
shop.
X
Deactivate off-road program (Y page 186).
X
Deactivate DSR (Y page 184).
X
Clean the headlamps and rear lights and
check for damage.
X
Clean the front and rear license plates.
X
Clean the wheels/tires with a water jet and
remove any foreign objects.
X
Clean the wheels, wheel housings and the
vehicle underside with a water jet; check
for any foreign objects and damage.
X
Check whether twigs or other parts of
plants have become trapped. These
increase the risk of fire and can damage
fuel pipes, brake hoses or the rubber bel-
lows of the axle joints and propeller shafts.
X
After the trip, examine without fail the
entire undercarriage, wheels, tires, brakes,
bodywork structure, steering, chassis and
exhaust system for damage.
X
After driving in sand, mud, gravel, water or
similar dirty conditions, have the following
checked and cleaned:
R
brake discs
R
the wheels
R
brake pads
R
axle joints
X
If you detect strong vibrations after off-road
travel, check for foreign objects in the
wheels and drive train and remove them if
necessary. Foreign objects can disturb the
balance and cause vibrations.
Driving over poor road surfaces places
greater demands on your vehicle than driving
on normal roads. After driving off-road, check
the vehicle. This allows you to detect damage
promptly and reduce the risk of an accident to
yourself and other road users.
Driving on sand
Observe the following rules when driving on
sand:
R
Select the off-road program (Y page 186).
R
Avoid high engine speeds.
R
Use the left-hand steering wheel paddle
shifter to shift to a lower gear appropriate
to the terrain.
R
Drive quickly to overcome the rolling resist-
ance. Otherwise the vehicle's wheels could
become stuck in loose ground.
R
Drive in the tracks of other vehicles if pos-
sible. Make sure that:
-
the tire ruts are not too deep.
-
the sand is sufficiently firm.
-
the ground clearance of the vehicle is
sufficient.
Tire ruts and gravel roads
!
Check that the ruts are not too deep and
that your vehicle has sufficient clearance.
Otherwise, your vehicle could be damaged
or bottom out and get stuck.
Observe the following rules when driving
along ruts in off-road terrain or on roads with
loose gravel:
R
Activate the off-road program
(Y page 186).
R
Avoid high engine speeds.
R
Shift to a lower gear using the left-hand
steering wheel paddle shifter.
R
Drive slowly.
R
Where ruts are too deep, drive with the
wheels of one side on the center grassy
area, if possible.
Traveling uphill
Approach/departure angle
G
WARNING
If you drive on a steep incline at an angle or
turn when driving on an incline, the vehicle
170
Driving tips
Driving and parking
could slip sideways, tip and rollover. There is a
risk of an accident.
Always drive on a steep incline in the line of
fall (straight up or down) and do not turn the
vehicle.
R
Observe the warnings for off-road driving
(Y page 168).
R
Follow the line of fall when driving on slopes
and steep inclines.
R
Before driving on extreme uphill and down-
hill gradients, select the off-road program
(Y page 186).
R
Drive slowly.
R
Accelerate gently and make sure that the
wheels are gripping.
R
Avoid high engine speeds, except when
driving on sandy and muddy routes with
high driving resistance.
R
Use the left-hand steering wheel paddle
shifter to shift to a lower gear appropriate
to the gradient.
R
Use the left-hand paddle shifter to shift into
a lower gear in good time on long and steep
downhill gradients.
i
Hill start assist will aid you when pulling
away on a hill.
For further information about hill start
assist, see (Y page 144).
Do not switch to transmission position N
when driving off-road. If you try to brake the
vehicle using the service brake, you could
lose control of the vehicle. If the gradient is
too steep for your vehicle, drive back down in
reverse gear.
Always observe the approach/departure
angle values (Y page 369).
Maximum gradient-climbing capability
Always observe the maximum gradient climb-
ing ability values (Y page 369).
Hilltops
When driving up an uphill gradient, slightly
reduce pressure on the accelerator immedi-
ately before reaching the brow of the hill.
Make use of the vehicle's own impetus to
travel over the brow.
This style of driving prevents:
R
the vehicle from lifting off the ground on the
brow of a hill
R
the vehicle from traveling too quickly down
the other side
Driving downhill
R
Drive slowly.
R
Do not drive at an angle down steep
inclines. Steer into the line of fall and drive
with the front wheels aligned straight. Oth-
erwise, the vehicle could slip sideways, tip
and rollover.
R
Shift to a lower gear using the left-hand
paddle shifter before tackling steep down-
hill gradients.
R
Activate DSR. If this is not sufficient, brake
gently. When doing so, make sure that the
vehicle is facing in the direction of the line
of fall.
R
Check that the brakes are working normally
after a long downhill stretch.
i
Off-road ABS is activated when the off-
road program is selected.
At speeds below 18 mph (30 km/h), the
front wheels lock cyclically during braking.
The digging-in effect achieved in the proc-
ess reduces the stopping distance on off-
road terrain. The steerability of the vehicle
is considerably reduced if the wheels lock.
Driving tips
171
Driving and parking
Z
Driving systems
Cruise control
General notes
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, you must select a low gear in
good time. For this, you will need to have
selected manual drive program M
(Y page 154). By doing so, you will make use
of the braking effect of the engine. This
relieves the load on the brake system and
prevents the brakes from overheating and
wearing too quickly.
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 20 mph
(30 km/h).
Important safety notes
If you fail to adapt your driving style, cruise
control can neither reduce the risk of an acci-
dent nor override the laws of physics. Cruise
control cannot take into account the road,
traffic and weather conditions. Cruise control
is only an aid. You are responsible for the dis-
tance to the vehicle in front, for vehicle speed,
for braking in good time and for staying in
your lane.
Do not use cruise control:
R
in road and traffic conditions which do not
allow you to maintain a constant speed e.g.
in heavy traffic or on winding roads
R
on slippery road surfaces. Braking or accel-
erating could cause the drive wheels to lose
traction and the vehicle could then skid
R
when there is poor visibility, e.g. due to fog,
heavy rain or snow
If there is a change of drivers, advise the new
driver of the speed stored.
Cruise control lever
:
To activate or increase speed
;
To activate or reduce speed
=
To deactivate cruise control
?
To activate at the current speed/last
stored speed
When you activate cruise control, the stored
speed is shown in the multifunction display
for five seconds.
Activation conditions
To activate cruise control, all of the following
activation conditions must be fulfilled:
R
the electric parking brake must be
released.
R
you are driving faster than 20 mph
(30 km/h).
R
ESP
®
must be active, but not intervening.
R
on vehicles with automatic transmission,
the selector lever must be in position D.
Storing, maintaining and calling up a
speed
Storing and maintaining the current
speed
You can store the current speed if you are
driving faster than 20 mph (30 km/h).
172
Driving systems
Driving and parking

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