Starting-off and Driving89
Using the system
Safety
Driving Tips
General Maintenance
Breakdown assistance
Technical Data
WARNING
Never run the engine in non ventilated or enclosed areas. The exhaust gases
of the engine contain besides the odorless and colourless carbon monoxide a
poisonous gas - hazard! Carbon monoxide can cause unconsciousness and
death.
Never leave your vehicle unattended with the engine running.Caution
The starter may only be operated (ignitio n key position ), if the engine is not
running. If the starter is immedi ately operated after switching off the engine, the starter
or the engine can be damaged.
Avoid high engine revolutions, full throttle and high engine loads as long as the
engine has not yet reached its normal oper ating temperature - risk of damaging the
engine!
Vehicles which are fitted with an exhaust gas catalytic converter should not be tow-
started over a distance of more than 50 metres.For the sake of the environment
Never warm up the engine when the vehicle is standing. Drive off right away. Through
this the engine reaches its operating temperature more rapidly and the pollutant emis-
sions are lower.Petrol enginesThese engines are fitted with a starter system which selects the correct fuel-air mixture
for every external air temperature.
Do not depress accelerator before and when starting engine.
Interrupt the attempt at starting after 10 seconds if the engine does not start right
awayand wait for about 30 seconds before repeating the attempt.
It is possible that the fuse on the electric al fuel pump is defect if the engine still
does not start. Check the fuse and replace it if necessary page 177.
Contact the nearest specialist garage to obtain professional assistance. It may be necessary, if the engine is
very hot, to slightly depress the accelerator after
the engine has started.
Diesel enginesGlow plug system
Diesel engines are equipped with a glow plug system, the preglow period being
controlled automatically in line with the coolant temperature and outside tempera-
ture.
The preglow indicator light
comes on after the ignition has been switched on.
You should not switch on any major electrical components during the heating
period otherwise the vehicle battery will be drained unnecessarily.
You should start the engine immediately after the glow plug warning light
has
gone out.
The glow plug warning light will come on for about one second if the engine is at a
normal operating temperature or if the outside temperature is above +5°C. This
means that you can start the engine right away.
Interrupt the attempt at starting after 10 seconds if the engine does not start right
awayand wait for about 30 seconds before repeating the attempt.
It is possible that the fuse on the diesel preglow system is defect if the engine still
does not start. Check the fuse and replace it if necessary page 177.
Contact the nearest specialist garage to obtain professional assistance.
Starting the engine after the fuel tank has run dry
It may take longer than normal to start the engine after refuelling if the fuel tank has
run completely dry - up to one minute. This is because the fuel system must first of all
be filled while the attempting to start the engine.
Switching off the engine– The engine can be switched off by tu rning the ignition key into position
page 87, fig. 100 .
A3
A1
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Fuel
146
– Unscrew the fuel filler cap anti-clockwise and place the fuel filler cap from above
on the fuel filler flap page 145, fig. 141 .Closing fuel filler cap– Screw on the cap by turning it to the right until it is heard to lock.
– On vehicles without remote unlocking of the fuel filler flap from the driver's seat,
lock the fuel filler cap on the fuel filler tube by turning the vehicle key to the right
and withdraw the key.
– Close the fuel filler flap until it locks.Open the fuel filler flap from the driver's seat*– Press the switch to open the fuel filler flap page 145, fig. 140 .
– Unscrew the fuel filler cap anti-clockwise and place the fuel filler cap from above
on the fuel filler flap page 145, fig. 141 .Closing fuel filler cap– Screw on the cap by turning it to the right until it is heard to lock.
– Close the fuel filler flap until it locks.
The correct grade of fuel for your vehicle as well as the tyre size and inflation pressures
are stated on a sticker affixed to the inside of the fuel filler flap. Further information on
fuel page 144, “Fuel”.
The fuel tank has a capa city of about 55 litres.
WARNING
Pay attention to any legal requirements if you do carry a spare canister in the
vehicle. We do not recommend carrying any fuel canisters in your vehicle for
safety reasons. The canister can be da maged in the event of an accident and
fuel may leak out.
Caution
Before refuelling it is necessary to switch off the auxiliary heating system (auxiliary
heating and ventilation) *.
Remove any fuel which has spilled onto th e paintwork of your vehicle immediately
- risk of paint damage!
On vehicles fitted with a ca talytic converter, never let th e fuel tank run completely
empty. An irregular supply of fuel to the engine can result in misfiring and unburnt fuel
may get into the exhaust system, which may result in overheating and damage to the
catalytic converter.
Make sure that the valve is not pressed into the filler tube when inserting the pump
nozzle into the filler tube. Otherwise you are unintentionally filling up the volume,
which in case of heat can caus e an expansion of the fuel. This can lead to an overflow
of fuel or damage to parts of the fuel reservoir.
The fuel tank is full just as soon as the pump nozzle switches off for the first time,
provided the nozzle has been operated properly. Do not continue refuelling - other-
wise the expansion volume is filled up.
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Fuses and light bulbs
180
Electrically adjustable seats are protected by automatic circuit breakers, which
switch on again automatically after a few seconds after the overload has been
eliminated.BulbsChanging bulbsThe relevant lamp must always be switch ed off before a light bulb is replaced.
Defect light bulbs should only be replaced with light bulbs of the same type. The desig-
nation is located on the light socket or the glass bulb.
Changing certain bulbs is not something whic h you can do yourself, but requires to be
done by a specialist. Other parts of the vehi cle must be removed in order to change the
13
Brake lights
10
14
Interior lighting, central locking system, interior lighting
(without central locking system)
10
15
Instrument cluster, steering angle sender, rear mirror
5
16
Air conditioning system
10
17
Heated windscreen washer nozzles
daylight driving lights
5
30
18
Right main beam
10
19
Left main beam
10
20
Right low beam, headlight range adjustment
15
21
Low beam on the left
15
22
Right parking light
5
23
Left parking light
5
24
Front window wiper, motor for wash pump
20
25
Air blower, air conditioning system, Climatronic
25
26
Rear window heater
25
27
Rear window wiper
15
28
Fuel pump
15
29
Control unit: Petrol engine
control unit: Diesel engine
15
10
30
Electric sliding/tilting roof
20
31
Not assigned
32
Petrol engine - injection valves
diesel engine - injection pump, control unit
10
30
33
Headlight cleaning system
20
34
Petrol engine: Control unit
diesel engine: Control unit
10
10
No.
Power consumer
Amperes
35
Trailer socket, power socket in the luggage compartment
30
36
Fog lights
15
37
Petrol engine: Control unit
diesel engine: Control unit
20
5
38
Luggage compartment light, central locking system, inte-
rior lighting
15
39
Hazard warning light system
15
40
Horn
20
41
Cigarette lighter
15
42
Radio, mobile phone
15
43
Petrol engine: Control unit
diesel engine: Control unit
10
10
44
Seat heaters
15
a)For power consumers, e.g. the radio, which can be operated with the ignition switched off as
long as the ignition key is not withdrawn.No.
Power consumer
Amperes
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