Driving
174•
Be particularly careful, therefore, when using the kick-down function on
slippery road surfaces.
•
You should use the kick-down function only when traffic and weather
conditions allow it to be used safely.
HandbrakeUsing the handbrake
The handbrake should be applied firmly to prevent the
vehicle from accidentally rolling away.Always apply the handbrake when you leave your vehicle and when
you park.
Using the handbrake
– Firmly pull the handbrake lever up all the way.
Releasing the handbrake
– Firmly pull the handbrake lever up all the way.
– Push in the lock button on the handbrake lever.
– Keep the locking knob pressed and push the lever all the way down ⇒ .The handbrake is located at the side of the driver seat. Always apply the
handbrake firmly. This prevents you driving with the handbrake applied
⇒ . The handbrake warning lamp
lights up when the handbrake is applied
and the ignition switched on. The warning lamp goes out when the hand-
brake is released.
WARNING
•
Never use the handbrake to slow down the vehicle when it is in motion.
The braking distance is considerably longer, as braking is only applied to
the rear wheels. Risk of accident!
•
Never drive with the handbrake slightly applied. This could cause the
rear brakes to overheat and lose their braking efficiency. Risk of accident.
This also causes premature wear on the rear brake pads/linings.Caution
Always apply the handbrake before you leave the vehicle. On cars with a
manual gearbox engage 1st gear, or on an automatic move the selector lever
to P .Parking
The handbrake should always be firmly applied when the
vehicle is parked.Always note the following points when parking the vehicle:
– Use the foot brake to stop the vehicle.
– Apply the handbrake firmly.
– On a manual gearbox engage 1st gear. On an automatic move
the selector lever to P.
WARNING (continued)
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Driving177
Safety First
Operating instructions
Tips and Maintenance
Te c h n i c a l D a t a
Cruise control system (CCS)Cruise control operation
The cruise control system(CCS) is able to maintain the set
speed in the range from approx. 30 km/h to 180 km/h.Once the desired speed has been reached and the setting stored, you may
take your foot off the accelerator.
In vehicles fitted with a manual gearbox and in vehicles with an automatic
gearbox with the lever in positions P, N or R the cruise control does not
operate in first gear.
WARNING
It could be dangerous to use the cruise control system (CCS) if it is not
possible to drive at constant speed.•
Do not use the cruise control in heavy traffic or on steep roads, with
several bends or in slippery circumstances (snow, ice, rain or loose gravel),
as there is a risk of accident.
•
Always adapt your speed and the distance to the vehicles ahead to take
the traffic situation into consideration. This is the duty of the driver. The
cruise control system is merely an aid to the driver.
•
Never use the cruise control system when driving off-road or on
unpaved roads. This feature is designed for use on paved roads only. Risk
of accident.
•
Always switch off the CCS when you have finished using it. This will
prevent you using it by mistake.
•
It is dangerous to use a set speed which is too high for the prevailing
road, traffic or weather conditions. This may cause an accident.
Caution
Vehicles with a manual gearbox: if the cruise control is activated the gearbox
should not be set in neutral without first releasing the clutch, as the the
engine speed will increase and this may cause damage.
Note
When travelling down hills, the CCS cannot maintain a constant speed. The
vehicle will accelerate under its own weight. Reduce gears (with an automatic
gearbox, reduce gears using the “Tiptronic”) or brake using the footbrake.
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Driving179
Safety First
Operating instructions
Tips and Maintenance
Te c h n i c a l D a t a
Control of the set speed is switched off if you reduce speed by depressing the
brake pedal. You can reactivate the control by pressing once on the upper part
of the rocker switch or button .
WARNING
It is dangerous to use a set speed which is too high for the prevailing road,
traffic or weather conditions. This may cause an accident.Switching off system temporarilySwitching off the control temporarily in vehicles with a manual
gearbox
– Depress the brake or clutch pedal or
–Push the switch
⇒page 178, fig. 133 to “OFF”, or
– Press the lower part of the button .
Switching off the control temporarily in vehicles with an automatic
gearbox
– Press the brake pedal or
– Select positions N or 1 or
–Push the switch ⇒page 178, fig. 133 to “OFF”, or
– Press the lower part of the rocker button .The speed stored will remain in the memory if the control is switched off
temporarily, unless you select positions N or 1. In this case, the speed stored
in the memory will be deleted. To resume the control function, release the brake or clutch pedal, move the
switch to ON or press the button ⇒
page 178, fig. 133 or button
⇒ page 178, fig. 134 once.
WARNING
It is dangerous to use a set speed which is too high for the current road,
traffic or weather conditions. Risk of accident.
+
AA
CANCEL
AACANCEL
AA
+
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Driving and the environment
190Manual gearbox: Change from first to second gear as quickly as possible. We
recommend that, whenever possible, you change to a higher gear upon
reaching 2,000 rpms.
Automatic gearbox: Accelerate in moderation and avoid the “kick-down” (full
throttle) position.
Avoid driving at high speed
We advise you not to drive at the top speed permitted by the vehicle. Fuel
consumption, exhaust emissions and noise levels all increase 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
crossings 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 restart the
engine.
The engine takes a very long time to warm up when it is running at idling
speed. Mechanical wear and pollutant emissions are also especially high
during 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 consume more than the required amount of fuel. A well-serviced
engine gives you the benefit of improved fuel efficiency as well as maximum
reliability and an enhanced resale value.
A badly serviced engine can consume up to 10% more fuel than necessary.
Avoid short journeys
To reduce the consumption and emission of polluting gases, the engine and
the exhaust filtration systems should reach the optimum service tempera-
ture . With the engine cold, fuel consumption is proportionally higher. The engine
does not warm up and fuel consumption does not regularise until having
driven some
four kilometres. This is the reason why we recommend avoiding
short trips wherever possible.
Maintain the correct tyre pressures
Bear in mind that keeping the tyres at the correct pressure saves fuel. If the
tyre pressures are just 1 bar too low, this can put the fuel consumption up by
as much as 5 %. Due to the greater rolling resistance, under-inflation also
increases tyre wear and impairs handling.
The tyre pressures should always be checked when the tyres are cold.
Do not use winter tyres all through the year: they will increase fuel consump-
tion by up to 10 %.
Avoid unnecessary weight
Every kilo of extra weight will put up the fuel consumption, so it is worth
checking the luggage compartment occasionally to make sure that no unnec-
essary loads are being transported.
A roof carrier is often left in place for the sake of convenience, even when it is
no longer needed. At a speed of 100-120 km/h your car will use about 12%
more fuel as a result of the extra wind resistance caused by the roof carrier
even when it is not in use.
Save electrical energy
The engine activates the alternator, which produces electricity. With the need
for electricity, fuel consumption is also increased. Because of this, always
turn off electrical equipment when you do not need them. Examples of equip-
ment that use a lot of electricity are: the fan at high speeds, the rear window
heating or the seat heaters*.
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Driving and the environment
194
NoteBy law, the ball coupling must be removed if a trailer is not being towed and
it obscures the number plate.•
When placing the towing bracket in the casing check that it is no longer
tensed and securely fastened.
Driving tips
Driving with a trailer always requires extra care.Weight distribution
The weight distribution of a loaded trailer with an unladen vehicle is very
unfavourable. However, if this cannot be avoided, drive extra slowly to allow
for the unbalanced weight distribution.
Speed
The stability of the car and trailer is reduced with increasing speed. For this
reason it is advisable not to drive at the maximum permissible top speed in
unfavourable road, weather or wind conditions. This applies especially when
driving downhill.
You should always reduce speed immediately if the trailer shows the slightest
sign of snaking . Never try to stop the “snaking” by increasing speed.
Always brake in good time. If the trailer has an overrun brake, apply the
brakes gently at first and then firmly. This will prevent the jerking that can be
caused by the trailer wheels locking. Select a low gear (in both manual and
automatic gearboxes) in good time before going down a steep hill. This
enables you to use the engine braking effect to slow down the vehicle. Overheating
At very high temperatures and during prolonged ascents, driving in a low gear
and high engine speed, always monitor the temperature indicator for the
coolant.
Electronic Stabilisation Program
Do not switch off the ESP when towing a trailer. The ESP makes it easier to
stabilise if the trailer starts to snake.
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Checking and refilling levels
212•
Do not unscrew the cap on the expansion tank when the engine is hot.
If the coolant is hot, the cooling system will be pressurised!
•
Protect face, hands and arms by covering the cap with a large, thick
cloth to protect against escaping coolant and steam.
•
Always make sure you have not left any objects, such as cleaning cloths
and tools, in the engine compartment.
•
If you have to work underneath the vehicle, you must use suitable
stands additionally to support the vehicle, there is a risk of accident!. A
hydraulic jack is insufficient for securing the vehicle and there is a risk of
injury.
•
If any work has to be performed when the engine is started or with the
engine running, there is an additional, potentially fatal, safety risk from the
rotating parts, such as the drive belts, alternator, radiator fan, etc., and
from the high-voltage ignition system. You should also observe the
following points:
−Never touch the electrical wiring of the ignition system.
− Ensure that jewellery, loose clothing and long hair do not get
trapped in rotating engine parts. Danger of death. Before starting any
work remove jewellery, tie back and cover hair, and wear tight-fitting
clothes.
− Always think carefully about pressing the accelerator if a gear is
engaged in either an automatic or manual gearbox. The vehicle could
move, even if the handbrake is applied. Danger of death.
•
If work has to be carried out on the fuel system or on electrical compo-
nents, you must observe the following safety notes in addition to the above
warnings:
−Always disconnect the battery. The vehicle must be unlocked when
this is done, otherwise the alarm will be triggered.
− Do not smoke.
− Never work near naked flames. −
Always have a fire extinguisher on hand.
Caution
When changing or topping up service fluids, make absolutely certain that you
fill the fluids into the correct reservoirs. Failure to observe this point will result
in serious malfunctions and engine damage!
For the sake of the environment
Service fluids leaks are harmful to the environment. For this reason you
should make regular checks on the ground underneath your vehicle. If you
find spots of oil or other fluids, have your vehicle inspected in a qualified
workshop.
WARNING (continued)
WARNING (continued)
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If and when253
Safety First
Operating instructions
Tips and Maintenance
Te c h n i c a l D a t a
Rear towline anchorageOn the right hand side of the lower rear section of the body, there is a fixed
towline anchorage ⇒ fig. 174 (arrow).
To w i n g b r a c k e t
If the vehicle has a factory-fitted towing bracket, it should also be used for
towing other vehicles.To w - s t a r t i n g
The use of jump leads is preferable to tow-starting.We recommend that you do not tow-start your vehicle. Jump-starting
is preferable ⇒page 250. However, if your vehicle has to be tow-started:
– Engage 2nd or 3rd gear.
– Keep the clutch pressed down.
– Switch on the ignition and switch on the hazard warning lights.
– Once both vehicles are moving, release the clutch.
– As soon as the engine starts, press the clutch and move the gear
lever into neutral. This helps to prevent driving into the towing
vehicle.
WARNING
The risk of accidents is high when tow-starting. The vehicle being towed
can easily collide with the towing vehicle.
Caution
When tow-starting, fuel could enter the catalytic converter and damage it.
Note
•
The legal requirements concerning towing should be observed.
•
Switch on the hazard warning lights of both vehicles. However, observe
any regulations to the contrary.
•
For technical reasons, vehicles with an automatic gearbox must not be
tow-started.
Fig. 174 Rear towline
anchorage
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If and when
254Notes for tow-starting or towingIf a cable is used for towing the vehicle, please observe the
following:
As the driver of the towing vehicle
– Switch on the hazard warning lights. However, observe any regu-
lations to the contrary.
– Drive slowly at first until the tow-rope is taut. Then accelerate gradually.
– Begin and change gears cautiously. If you are driving an auto- matic vehicle, accelerate gently.
– Remember that the brake servo and power steering are not working in the vehicle you are towing. Brake earlier than you
would normally, but with a more gentle pressure on the brake.
As the driver of the vehicle being towed
– Switch on the hazard warning lights. However, observe any regu- lations to the contrary.
– Place the gearstick in neutral or position N .
– Ensure that the tow-rope remains taut at all times.Tow-rope or tow-bar
It is easier and safer to tow a vehicle with a tow-bar. You should only use a
tow-rope if you do not have a tow-bar.
A tow-rope should be slightly elastic to reduce the loading on both vehicles.
It is advisable to use a tow-rope made of synthetic fibre or similarly elastic
material. Attach the tow-rope or the tow-bar only to the towing eyes provided or a
towing bracket.
Driving tips
Towing requires some experience, especially when using a tow-rope. Both
drivers should be familiar with the technique required for towing. Inexperi-
enced drivers should not attempt to tow-start or tow away another vehicle.
Do not pull too hard with the towing vehicle and take care to avoid jerking the
tow-rope. When towing on an unpaved road, there is always a risk of over-
loading and damaging the anchorage points.
The ignition of the vehicle being towed must be switched on to prevent the
steering wheel from locking and also to allow the use of the turn signals,
horn, windscreen wipers and washers.
If the vehicle is towed, with the hazard warning lights on and the ignition
switched on, the turn signal may be used to indicate that you are going to
change direction. Move the turn signal lever accordingly. Meanwhile, the
hazard warning lights will go off. When the turn signal lever is returned to the
rest position, the hazard warning lights will automatically reconnect.
The brake servo works only when the engine is running. In this case the pedal
has to be pressed harder.
As the power assisted steering does not work if the engine is not running, you
will need more strength to steer than you normally would.
Towing vehicles with an automatic gearbox
•
Move the selector lever to N.
•
Do not drive faster than 50 km/h when towing a vehicle.
•
Do not tow further than 50 km.
•
If a breakdown truck is used, the vehicle must be towed with the front
wheels raised.
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