Operation
Glow plug system for the diesel engine
T o av
oid u nnec
essary discharging of the bat-
tery, do not use any other major electrical
equipment while the glow plugs are pre-heat-
ing.
Start the engine as soon as the glow plug
warning lamp goes out.
Starting a diesel engine after the fuel tank
has been completely run dry
If the fuel tank has been completely run dry,
it may take longer than normal (up to one mi-
nute) to start a diesel engine after refuelling.
This is because the fuel system must elimi-
nate air first. WARNING
Observe the safety warnings ››› in Starting
petrol en
gines on page 151. CAUTION
● When the engine is c
old, you should avoid
high engine speeds, driving at full throttle
and over-loading the engine. Risk of engine
damage.
● The vehicle should not be pushed or towed
more than 50 metre
s to start the engine. Un-
burnt fuel could enter the catalytic converter
and damage it.
● Before attempting to push-start or tow a ve-
hicle in order t
o start it, you should first try to
start it using the battery of another vehicle. Please observe and follow the notes on the
›››
p
age 52, How to jump start. For the sake of the environment
Do not warm-up the engine by running the
en gine with the v
ehicle stationary. You
should drive off as soon as you start the en-
gine. This helps the engine reach operating
temperature faster and reduces emissions. Switching off the engine
–
Stop the vehicle.
– Turn the ignition key to position ››
›
Fig. 168
1 .
Af t
er sw it
ching the engine off, the radiator
fan may run on for up to 10 minutes. It is also
possible that the fan turns itself on once
more if the coolant temperature increases
due to the heat accumulated in the engine
compartment or due to its prolonged expo-
sure to solar radiation. WARNING
● Never swit c
h the engine off until the vehi-
cle is completely stationary.
● The brake servo works only when the en-
gine is runnin
g. With the engine switched off,
more strength is needed to brake. As normal brake operation cannot be performed, risk of
accident
s
and serious injury may exist.
● The steering lock can be immediately
blocked onc
e the key is removed from the ig-
nition. The vehicle cannot be steered. Risk of
accident.
● Power-assisted steering does not work
when the engine is off
, and more strength is
needed to turn the wheel.
● If the key is removed from the ignition lock
the steering loc
k could be engaged and vehi-
cle steering would not work. CAUTION
When the engine has been running under a
heavy lo a
d for a long period, heat can accu-
mulate in the engine compartment and cause
engine damage. For this reason, idle the en-
gine for approximately 2 minutes before
switching it off. Braking and parking
Br ak
ing c
apacity and braking distance The efficiency of the brakes depends directly
on the br
ak
e p a
d wear. This wear depends to
a great extent on the conditions under which
the vehicle is operated and the way the vehi-
cle is driven. If you often drive in town, drive
short distances or have a sporty driving style,
we recommend that you have the thickness
152
Driving
of your brake pads checked by technical serv-
ic e
s mor
e frequently than recommended in
the Maintenance Programme.
If you drive with wet brakes, for example, af-
ter crossing areas of water, on days of heavy
rainfall or even after washing the car, the ef-
fect of the brakes is reduced as the brake
discs are wet or even frozen (in winter): in
this case, the brakes should be “dried” by
pressing the brake pedal several times. WARNING
Longer braking distances and faults in the
brake sy s
tem increase the risk of accidents.
● New brake pads must be run in and do not
have the corr
ect friction during the first
200 km. This reduced braking capacity may
be compensated for by pressing on the brake
pedal a little harder, which also applies when
the brake pads have to be changed further
on.
● If brakes are wet or frozen, or if you are
driving on ro
ads which have been salted,
braking power may be lower than normal.
● On steep slopes, if brakes are excessively
used, they wi
ll overheat. Before driving down
a long steep slope, it is advisable to reduce
speed and change down into a lower gear or
range (depending on the type of transmis-
sion). Thus, make use of engine braking and
relieve the brakes.
● Never let the brakes “drag” by applying
light pres
sure. Continuous braking will cause the brakes to overheat and the braking dis-
tance w
i
ll increase. Apply and then release
the brakes alternately.
● Never let the vehicle run with the engine
switched off
. The braking distance is in-
creased considerably when the brake servo is
not active.
● If the brake fluid loses its viscosity and is
subject
ed to heavy use, vapour bubbles can
form in the brake system. This reduces the ef-
ficiency of the brakes.
● Non-standard or damaged front spoilers
could r
estrict the airflow to the brakes and
cause them to overheat. Before purchasing
accessories please observe the relevant in-
structions ››› page 190, Modifications.
● If a brake system circuit fails, the braking
distanc
e will be increased considerably. Con-
tact a specialised workshop immediately and
avoid unnecessary journeys. Control lamp
Situations in which the warning lamp lights
up *
●
the brake fluid level is too low
› ›
›
p
age 209.
● there is a fault in the brake system.
This warnin
g lamp can light up together with
the ABS system warning lamp. WARNING
● If the brak e w
arning lamp does not go out
or if it lights up when driving, the brake fluid
level in the reservoir is too low so there is a
risk of an accident ››› page 209, Brake fluid.
Stop the vehicle and do not drive on. Obtain
technical assistance.
● If the brake warning lamp lights up to-
gether with the ABS
lamp this could be
due to an ABS fault. This could cause the rear
wheels to lock quickly when you brake. This
could cause the rear to break away. Risk of
skidding. Stop the vehicle and seek technical
assistance. Handbrake
Fig. 169
Handbrake between the front seats. The handbrake should be applied firmly to
pr
ev
ent the
vehicle from accidentally rolling
away. Always apply the handbrake when you
leave your vehicle and when you park. »
153
Technical data
Advice
Operation
Emergencies
Safety
Operation
Applying the handbrake
– Pull the handbrake lever up firmly
› ›
›
Fig. 169
.
Releasing the handbrake
– Pull the lever up slightly and press the re-
lease kno
b in the direction of the arrow
››› Fig. 169 and guide the handbrake lever
down fully ››› .
A lw
ay
s pull the handbrake all the way up, so
there is less risk of driving off with it still en-
gaged ››› .
The h andbr
ake w
arning lamp lights up
when the handbrake is applied and the igni-
tion switched on. The warning lamp turns off
when the handbrake is released. WARNING
● Never use the h andbr
ake to stop the vehi-
cle when it is in motion. The braking distance
is considerably longer, because braking is
only applied to the rear wheels. Risk of acci-
dent!
● If the handbrake is only partially released,
this wi
ll cause the rear brakes to overheat,
which can impair the function of the brake
system and could lead to an accident. This al-
so causes premature wear on the rear brake
pads. CAUTION
Always apply the handbrake before you leave
the vehic l
e. Put it in 1st gear as well. In vehi-
cles with an automatic gearbox, place the
gear lever in position P. Parking
The handbrake should always be firmly ap-
plied when the v
ehic
le is parked.
Always note the following points when park-
ing the vehicle: – Use the brake pedal to stop the vehicle.
– Apply the handbrake.
– Put it in 1st gear.
– Switch the engine off and remove the key
from the ignition. T urn the s
teering wheel
slightly to engage the steering lock.
– Always take you keys with you when you
leave the
vehicle ››› .
Ad dition
al
notes on parking the vehicle on
gradients:
Turn the steering wheel so that the vehicle
rolls against the kerb if it started to roll.
● If the vehicle is parked facing downhill
,
turn the front wheels so that they point to-
wards the kerb . ●
If the vehic
le is parked facing uphill, turn
the front wheels so that they point away from
the kerb.
● Secure the vehicle as usual by applying the
handbrake firm
ly and putting it in 1st gear. WARNING
● Take me a
sures to reduce the risk of injury
when you leave your vehicle unattended.
● Never park where the hot exhaust system
could ignit
e inflammable materials, such as
dry grass, low bushes, spilt fuel etc.
● Never allow vehicle occupants to remain in
the vehicl
e when it is locked. They would be
unable to open the vehicle from the inside,
and could become trapped in the vehicle in
an emergency. In the event of an emergency,
locked doors will delay assistance to vehicle
occupants.
● Never leave children alone in the vehicle.
They coul
d set the vehicle in motion, for ex-
ample, by releasing the handbrake or the
gearbox lever.
● Depending on weather conditions, it may
become extremely
hot or cold inside the vehi-
cle. This can be fatal. 154
Driving
Braking and stability systems El ectr
onic
Stability Control (ESC)*This Electronic Stability System reduces the
risk of
sk
idding and improves the vehicle's
stability and ability to hold the road.
The Electronic Stability Control (ESC) contains
the electronic differential lock (EDL) and the
traction control system (ASR). The ESC works
together with the ABS. Both control lamps
will light up if the ESC or ABS systems are
faulty.
The ESC system is started automatically
when the engine is started.
The ESC system is always active and cannot
be switched off. With the Easy Connect sys-
tem it is only possible to deactivate the ASR
or else select Sport mode.
The ASR can be deactivated when wheel spin
is desirable ›››
page 156.
For example:
● When driving with snow chains.
● When driving in deep snow or on loose sur-
face s.
● When the
vehicle is stuck, to rock it back-
wards
and forwards.
Press the button to switch the ASR back on
when you no longer need wheel spin. Electronic Stability Control (ESC)*
The ESC reduc
es the risk of skidding by brak-
ing the wheels individually.
The system uses the steering wheel angle
and road speed to calculate the changes of
direction desired by the driver, and constant-
ly compares them with the actual behaviour
of the vehicle. When irregularities occur, for
example, if the vehicle begins to skid, the
ESC brakes the appropriate wheel automati-
cally.
The forces acting on the braked wheel bring
the vehicle back to a stable condition. If the
vehicle tends to oversteer (the rear end
slides out), the system will act on the front
wheel on the outside of the turn.
Control lamp
There are two control lamps for the electronic
stability control. The lamp provides infor-
mation concerning function and disconnec-
tion status.
Both control lamps light up together when
the ignition is switched on and should turn
off after approximately 2 seconds. This is the
time taken for the function check.
This programme includes the ABS, EDL and
ASR. It also includes emergency braking as-
sistance (BAS). The control lamp
has the f ollowing func-
tions:
● It flashes whilst driving when the ASR/ESC
is activat
ed.
● It will light up if there is a fault in the ESC.
● As the ESC operates in conjunction with the
ABS, the ESC light w
ill also come on if a fault
should occur in the ABS.
If the ESC control lamp lights up and stays
on after the engine is started, this may mean
that the control system has temporarily
switched off the ESC. In this case the ESC can
be reactivated by switching the ignition off
and then on again. If the control lamp goes
out, this means the system is fully functional.
The lamp provides information about the
disconnection status of the system:
● It stays lit when the ASR is disconnected on
press
ing the switch or if we select ESC
Sport mode, only by means of Easy Connect. WARNING
● Do not for g
et that the electronic stability
control ESC cannot defy the laws of physics.
This should be kept in mind, particularly on
slippery and wet roads and when towing a
trailer.
● Always adapt your driving style to suit the
condition of the ro
ads and the traffic situa-
tion. The greater safety provided by the ESC
should not encourage you to run any risks. » 155
Technical data
Advice
Operation
Emergencies
Safety
Operation
Selecting the normal programme
– Put the selector lever into position D.
Sel ectin
g the s por
t programme
– Put the selector lever into position S.
If you sel
ect the normal programme, D, you
will drive in the economy mode, i.e. the pro-
gramme is designed to reduce fuel consump-
tion. The gearbox changes up into a higher
gear as soon as possible and down into a
lower gear as late as possible.
If you select the sport programme, S, you will
drive in a sporty mode, i.e. a programme in
which shifts into high gears are postponed in
order to use the full power of the engine.
Selector lever positions Read the additional information carefully
› ›
›
p
age 38
Selector lever positions
The selected gear is displayed on the side of
the selector lever and on the instrument pan-
el display. The currently selected gear for the
automatic gearbox will also be shown on the
display. Tiptronic gear indicator
If the automatic
gearbox is shifted manually,
the selected gears are shown on the screen.
P - parking lock
When the selector lever is in this position,
the driven wheels are locked mechanically.
Position P on the lever must only be selected
if the vehicle is stationary.
To move selector lever from position P, the
locking button on the selector lever handle
must be pressed and the brake pedal de-
pressed at the same time while the ignition is
switched on.
To put the selector lever in position P, simply
press the lock button down and, if necessary,
depress the brake pedal down.
R - Reverse gear
The reverse gear is engaged in this position.
Reverse gear must be engaged only when the
vehicle is stationary and the engine is idling.
To move the selector lever to position R,
press the lock button down and, at the same
time, press the brake pedal down, with the
ignition switched on.
With the selector lever in position R and the
ignition switched on the following occurs:
● Reverse lights light up. ●
The air conditioner automatic ally changes
the air recirculation mode.
● The wiper starts if the windscreen washer is
on.
● The parking distance warning system*
switche
s on.
N - Neutral (idling)
If this position is selected, the gearbox is in
neutral. Power is not transmitted to the
wheels and the engine does not have a brak-
ing function.
Never use the N position to drive down a long
hill. There is no engine braking and the
brakes are subjected to excessive stain.
You could damage the automatic gearbox if
you drive down hills with the gearbox lever in
position N and the engine switched off.
D - Drive (forward)
In this position the gearbox automatically
changes to a lower or higher gear, according
to the engine's requirements, the driving
style and speed. The braking effect of the en-
gine when driving downhill is very limited
when the selector is in this position. The in-
strument panel display shows the selected
gear as well as the selector lever in position
D.
When travelling at speeds lower than 5 km/h
(3 mph) or when the vehicle is stationary,
162
Driving
press the brake pedal to change the selector
l ev
er fr om po
sition N to position D.
S - Standard driving position (Sport pro-
gramme)
When the selector lever is in position S, it will
automatically change up into a higher gear
later, and change down into a low gear, if
compared with position D. This way, it is pos-
sible to take full advantage of the engine re-
serve power, depending on the engine de-
mand, driving style and speed. The braking
effect of the engine when driving downhill is
very limited. On the instrument panel display
the selected gear is shown as well as the se-
lector lever to position S.
To select gear range S, press the lock button
on the selector lever. WARNING
● As a driver ,
you should never leave your ve-
hicle if the engine is running and a gear range
is engaged. If you have to leave your vehicle
while the engine is running, you must apply
the parking brake and put the selector lever
in position P.
● If the engine is running and if D or R is en-
gaged, y
ou will need to hold the car on the
foot brake. The car will creep forward as the
power transmission is not fully interrupted
even when the engine is idling.
● Never accelerate when moving the selector
lever or y
ou may cause an accident. ●
Never mov e the sel
ector lever to R or P
when driving. Risk of accident!
● Before driving down a long, steep slope, it
is adv
isable to reduce speed and change into
a lower gear.
● If you stop the vehicle up hill, always hold
the foot brak
e strongly depressed down to
stop it from rolling back.
● Never allow the brake to rub and do not use
the brake peda
l too often or for long periods.
Constant braking will cause the brakes to
overheat and will considerably reduce the
brake effect. This increases the braking dis-
tance and could cause the brake system to
fail.
● Never allow the car to roll down a gradient
with the gear in neutr
al N, or in selector lever
position D, even if the engine is not running.
● If the vehicle moves with no control, an ac-
cident and serious
injury may occur. WARNING
Never switch the engine off until the vehicle
is s t
ationary. You could lose control of your
vehicle. This could cause an accident and se-
rious injury.
● The airbags and belt tensioners do not
work when the ignition is
switched off.
● The brake servo does not work with the en-
gine off. You need mor
e force to stop the vehi-
cle. ●
Pow er s
teering does not work when the en-
gine is not running. That is why it is much
more difficult to turn the steering wheel.
● Never remove the key from the ignition if
the vehicl
e is in motion. The steering lock
could suddenly engage, and you would not be
able to steer the vehicle. CAUTION
If you allow the vehicle to move when the en-
gine i s swit
ched off or with the selector lever
in position “N”, take your foot off the acceler-
ator and wait until the engine starts idling
before returning to position “D”. Selector lever lock
Fig. 170
Automatic gearbox The selector lever lock in position P or N pre-
v
ents
ge
ars from being engaged inadvertent-
ly, which would cause the vehicle to move. »
163
Technical data
Advice
Operation
Emergencies
Safety
Operation
● Use of
solv
ent-free adhesives.
● Use of CFC-free coolants in cooling sys-
tems.
● Recyc
ling and energy recovery from resi-
dues (RDF).
● Impro
vement in the quality of waste water.
● Use of systems for the recovery of residual
heat (thermal
recovery, enthalpy wheels,
etc.).
● The use of water-soluble paints.
Economical and environmentally-
friendly driving Fuel consumption, environmental pollution
and w
e
ar t o the en
gine, brakes and tyres de-
pends in large part on your driving style. By
adopting an economical driving style and an-
ticipating the traffic situation ahead, you can
easily reduce fuel consumption by 10-15%.
Some tips on how to help you reduce pollu-
tion while saving money are listed below.
Active cylinder management (ACT ®
)
Depending on the equipment, the vehicle
may have active cylinder management
(ACT ®
).
The active cylinder management (ACT ®
) may
automatically deactivate some of the engine
cylinders if the driving situation does not re-
quire too much power. When it is switched off, no fuel is injected into these cylinders,
hence total
fuel consumption may be re-
duced. The number of active cylinders can be
seen on the instrument panel display
››› page 30.
Drive anticipating the traffic situation
A vehicle uses most fuel when accelerating.
When you anticipate situations, you have to
brake less often and, thus, accelerate less. If
it is possible, let the vehicle roll with a gear
engaged, for example, if you see a red light
ahead. The braking effect achieved in this
way helps to reduce the wear of brakes and
tyres; emissions and fuel consumption are
reduced to zero (disconnection due to iner-
tia).
Change gear early to save energy
An effective way of saving fuel is to change
up quickly through the gears. Running the
engine at high rpm in the lower gears uses
an unnecessary amount of fuel.
Manual gearbox: shift up from first to second
gear as soon as possible. We recommend
that, whenever possible, you change to a
higher gear upon reaching 2000 rpm. Follow
the “recommended gear” indication that ap-
pears on the instrument panel ››› page 161. Avoid driving at high speed
We advi
se you not to drive at the top speed
permitted by the vehicle. Fuel consumption,
exhaust emissions and noise levels all in-
crease very rapidly at higher speeds. Driving
at moderate speeds will help to save fuel.
Avoid idling
It is worthwhile switching off the engine
when waiting in a traffic jam, at level cross-
ings or at traffic lights with a long red phase.
The fuel saved after only 30 - 40 seconds is
greater than the amount of fuel needed to re-
start the engine.
The engine takes a long time to warm up
when it is idling. Mechanical wear and pollu-
tant emissions are also especially high dur-
ing this initial warm-up phase. It is therefore
best to drive off immediately after starting
the engine. Avoid running the engine at high
speed.
Periodic maintenance
Periodic maintenance work guarantees that,
before beginning a journey, you will not con-
sume more than the required amount of fuel.
A well-serviced engine gives you the benefit
of improved fuel efficiency as well as maxi-
mum reliability and an enhanced resale val-
ue.
A badly serviced engine can consume up to
10% more fuel than necessary.
168
Driving
Avoid short journeys
T o r
educ e the c
onsumption and emission of
polluting exhaust gases, the engine and the
exhaust gas filtration systems should reach
the optimum operating temperature.
With the engine cold, fuel consumption is
proportionally higher. The engine does not
warm up and fuel consumption does not nor-
malise until having driven approximately four
kilometres (2.5 miles). This is why we recom-
mend avoiding short trips whenever possi-
ble.
Maintain the correct tyre pressures
Bear in mind that keeping the tyres at an ad-
equate pressure saves fuel. If the tyre pres-
sure is just one bar (14.5 psi/100 kPa) too
low, fuel consumption can increase by as
much as 5%. Due to the greater rolling resist-
ance, under-inflation also increases tyre wear
wear and impairs handling.
The tyre pressures should always be checked
when the tyres are cold.
Do not use winter tyres all year round as they
increase fuel consumption by up to 10%.
Avoid unnecessary weight
Given that every kilo of extra weight will in-
crease the fuel consumption, it is advisable
to always check the luggage compartment to
make sure that no unnecessary loads are be-
ing transported. A roof rack is often left in place for the sake
of conv
enience, even when it is no longer
needed. At a speed of 100 km/h (62 mph)
and 120 km/h (75 mph) your vehicle will use
about 12% more fuel as a result of the extra
wind resistance caused by the roof rack even
when it is not in use.
Save electricity
The engine activates the alternator, which
produces electricity. With the need for elec-
tricity, fuel consumption also increases. Be-
cause of this, always turn off electrical devi-
ces when you do not need them. Examples of
devices that use a lot of electricity are: the
blower at high speeds, the rear window heat-
ing or the seat heaters*. Note
● If y our
vehicle has Start-Stop, it is not rec-
ommended that you switch this function off.
● It is recommended that you close the win-
do
ws when driving at more than 60 km/h
(37 mph)
● Do not drive with your foot resting on the
clutch pe
dal, as the pressure can make the
plate spin, more fuel will be used and it can
burn the clutch plate lining, causing a serious
fault.
● Do not hold the car on a hill with the clutch,
use the foot br
ake or hand brake, using the
latter to start. The fuel consumption will be lower and you will prevent the clutch plate
from being d
am
aged.
● On descents, use the engine brake, chang-
ing to the ge
ar that is more suitable for the
slope. Fuel consumption will be “zero” and
the brakes will not suffer. Engine management and ex-
haus
t
gas purification system
Introduction WARNING
● Becau se of
the high temperatures which
can occur in the exhaust purification system
(catalytic converter or diesel particulate fil-
ter), do not park the vehicle where the ex-
haust can come into contact with flammable
materials under the car (e.g. on grass or at
the forest edge). Fire hazard!
● Do not apply wax underneath the vehicle
around the are
a of the exhaust system: Fire
hazard! Note
While the control lamps , , or re-
main lit, ther e m
ay be engine problems, fuel
consumption may increase and the engine
may lose power. 169
Technical data
Advice
Operation
Emergencies
Safety