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146Driving and operating
For the values specific to your
vehicle, refer to the EEC Certificate of Conformity provided with your vehicle
or other national registration
documents.
General information The official fuel consumption and
specific CO 2 emission figures quoted
relate to the EU base model with
standard equipment.
Fuel consumption data and CO 2
emission data are determined
according to regulation
R (EC) No. 715/2007 (in the latest
applicable version), taking into
consideration the vehicle weight in
running order, as specified by the
regulation.
The figures are provided only for the
purpose of comparison between
different vehicle variants and must
not be taken as a guarantee for the
actual fuel consumption of a
particular vehicle. Additional
equipment may result in slightly
higher results than the stated
consumption and CO 2 figures.Furthermore, fuel consumption is
dependent on personal driving style
as well as road and traffic conditions.
Natural gas
The fuel consumption information
was obtained using reference fuel
G20 (methane proportion
99 - 100 mol%) under prescribed
driving conditions. When using
natural gas with a lower proportion of
methane, the fuel consumption can
differ from the specified values.Trailer hitch
General information
Only use towing equipment that has
been approved for your vehicle.
Entrust retrofitting of towing
equipment to a workshop. It may be
necessary to make changes that
affect the cooling system, heat
shields or other equipment.
Fitting of towing equipment could
cover the opening of the towing eye.
If this is the case, use the coupling ball
bar for towing. Always keep the
coupling ball bar in the vehicle.
Installation dimensions of factory-
fitted towing equipment 3 207.
Driving characteristics and towing tips Before attaching a trailer, lubricate
the coupling ball. However, do not do
so if a stabiliser, which acts on the
coupling ball, is being used to reduce snaking movements.
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Driving and operating147
For trailers with low driving stability
and trailers with a permitted gross
vehicle weight of more than 1300 kg a speed of 50 mph must not be
exceeded; the use of a stabiliser is
recommended.
If the trailer starts snaking, drive more slowly, do not attempt to correct the
steering and brake sharply if
necessary.
When driving downhill, drive in the
same gear as if driving uphill and
drive at a similar speed.
Adjust tyre pressure to the value
specified for full load 3 205.
Trailer towing Trailer loads
The permissible trailer loads are
vehicle and engine-dependent
maximum values which must not be
exceeded. The actual trailer load is
the difference between the actual
gross weight of the trailer and the
actual coupling socket load with the
trailer coupled.The permissible trailer loads are
specified in the vehicle documents. In general, they are valid for gradients
up to max. 12 %
The permitted trailer load applies up to the specified incline and up to an
altitude of 1000 metres above sea
level. Since engine power decreases
as altitude increases due to the air becoming thinner, therefore reducing
climbing ability, the permissible gross
train weight also decreases by 10 %
for every 1000 metres of additional
altitude. The gross train weight does
not have to be reduced when driving
on roads with slight inclines (less than 8 %, e. g. motorways).
The permissible gross train weight
must not be exceeded. This weight is
specified on the identification plate
3 196.
Vertical coupling load
The vertical coupling load is the load
exerted by the trailer on the coupling
ball. It can be varied by changing the
weight distribution when loading the
trailer.The maximum permissible vertical
coupling load (75 kg) is specified on
the towing equipment identification
plate and in the vehicle documents.
Always aim for the maximum load,
especially in the case of heavy
trailers. The vertical coupling load
should never fall below 25 kg.
Rear axle load When the trailer is coupled and the
towing vehicle fully loaded, the
permissible rear axle load (see
identification plate or vehicle
documents) may be exceeded by 90 kg and the gross vehicle weight
rating by 75 kg. If the permissible rear
axle load is exceeded, a maximum
speed of 62 mph applies.
Towing equipmentCaution
When operating without a trailer,
remove the coupling ball bar.
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148Driving and operating
Stowage of coupling ball bar
To open the cover, lift the carpeting.
Raise, rotate and lift the ring.
The pouch with the coupling ball bar
is held in place with a rubber strap.
When inserting, ensure that the rotary
handle of the coupling ball bar is
facing upwards.
Fitting the coupling ball bar From underneath at the recesses,
pull the cover in the bumper
rearwards at a slight angle.
Disengage and fold down the socket. Remove the sealing plug from the
opening for the coupling ball bar and
stow it.
Checking the tensioning of the
coupling ball bar
■ Red marking on rotary knob must
point towards white marking on
coupling ball bar.
■ The gap between the rotary knob and the coupling ball bar must beapprox. 6 millimetres.
■ Key must be at position c ( 1).
Otherwise, the coupling ball bar must be tensioned before being inserted:
■ Unlock coupling ball bar by turning key to position c ( 1)
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150Driving and operating
Dismounting the coupling ballbar
Open the protective flap and turn the
key to position c ( 1) to unlock the
coupling ball bar.
Pull out rotary handle and turn
clockwise as far as it will go. Pull out
coupling ball bar downwards.
Insert sealing plug in opening. Fold away socket.
Insert cover in bumper: Insert guides of cover into bumper, first in the front
and then in the rear and engage.
Compress cover in a slightly bent
position while doing so.
Trailer stability assist
If the system detects snaking
movements, engine power is reduced
and the vehicle/trailer combination is
selectively braked until the snaking ceases.
Trailer stability assist (TSA) is a
function of the electronic stability
program (ESP® Plus
) 3 139.
Page 155 of 217
Vehicle care1539Danger
The ignition system and Xenon
headlights use extremely high
voltage. Do not touch.
The caps for topping up the engine oil, the coolant, the washing fluid and theoil dipstick handle are yellow for ease
of identification.
Bonnet
Opening
Pull the release lever and return it to
its original position.
Lift the safety catch upwards and
open the bonnet.
Air intake 3 123.
Secure the bonnet support.
Closing Before closing the bonnet, press the
support into the holder.
Lower the bonnet and allow it to drop into the catch. Check that the bonnet
is engaged.
Engine oil Check the engine oil level manuallyon a regular basis to prevent damage
to the engine. Ensure that the correct specification of oil is used.
Recommended fluids and lubricants
3 192.
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158Vehicle care
Wiper blade on the rear window
Lift wiper arm. Disengage wiper bladeas shown in illustration and remove.
Bulb replacement
Switch off the ignition and switch off
the relevant switch or close the doors.
Only hold a new bulb at the base! Do not touch the bulb glass with bare
hands.
Use only the same bulb type for
replacement.
The bulbs of the front outer lights are
replaced through openings in the front wheel housing: turn wheels in a
way that allows access, release catch
and remove cover.
To replace bulbs on the right side of
the engine compartment, detach the
air hose from the air filter. On the left
side, detach the plug to the fuse box.
Halogen headlights
Headlights have separate systems forhigh beam 1 (inner bulbs) and low
beam 2 (outer bulbs).
Low beam 1. Replace bulbs through the opening in the wheel housing.
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160Vehicle care
4. Disengage spring clip fromretainer by pressing forward and
then swing downwards.
5. Withdraw bulb from reflector housing.
6. When installing the new bulb, insert lugs in the reflector
recesses and engage the spring
clip.
7. Install the wiring plug onto bulb. 8. Install protective cover.
Side lights 1. Access to the bulbs is through the
engine compartment.2. Remove protective cover 1.
3. Withdraw parking light bulb holder
from reflector.
4. Remove bulb from socket and renew bulb.
5. Insert holder in reflector. Install the headlamp protective cover.
Front turn signal 1. Replace bulbs through the opening in the wheel housing.
2. Remove protective cover.
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Vehicle care161
3. Rotate bulb holder anti-clockwiseto disengage.
4. Push bulb into socket slightly, rotate anti-clockwise, remove and
renew bulb.
5. Insert bulb holder in reflector, rotate clockwise to engage.
6. Install protective cover.
7. Close the opening in the wheel housing with the cover.
Xenon headlights9 Danger
Xenon headlights work under
extremely high electrical voltage.
Do not touch. Except for the turn
signal bulbs, bulbs should be
replaced by a workshop.
Front turn signal
1. Access to the bulbs is through the
engine compartment.
2. Rotate bulb holder anti-clockwise to disengage.
3. Push bulb into socket slightly,rotate anti-clockwise, remove and
renew bulb.
4. Insert bulb holder in reflector, rotate clockwise to engage.
Fog lights
Have bulbs replaced by a workshop.