
Checking and refilling levels
222Checking and refilling levelsRefuellingThe tank flap is released manually. The tank holds approxi-
mately 70 litres.The flap that covers the tank cap is unlocked and locked automati-
cally by the central locking.
Unscrewing the tank cap
– Press the right side of the flap to open it.
– Unscrew the fuel tank cap anti-clockwise.
– Hook the cap onto the support fitted to the open tank flap
⇒fig. 174 . Closing the tank cap
– Screw the tank cap clockwise into the filler opening until it you
hear it click into position.
– Close the tank flap.
The tank flap is at the rear of the vehicle on the right.
If the automatic filler nozzle is operated correctly, it will switch itself off as
soon as the tank is “full”. Never attempt to fill beyond this point, as this will
fill the expansion chamber. Fuel may leak out if ambient conditions are warm.
T he co rr ec t fu el g rad e fo r you r v eh icle is giv en on a sti cker o n th e i nsid e of the
fuel tank flap. where further notes on fuel can be found.
WARNING
•Fuel is highly inflammable and can cause serious burns and other inju-
ries.
−Never smoke or use any naked flame when filling the fuel tank of the
vehicle, or a spare fuel canister, with fuel. This is an explosion hazard.
− Follow legal requirements for the use of spare fuel canisters.
− For safety reasons we do not recommend carrying a spare fuel
canister in the vehicle. The canister could be damaged in an accident
and leak.•If, in exceptional circumstances, you have to carry a spare fuel canister,
please observe the following points:
−Never fill the spare fuel canister inside the vehicle or on it. An elec-
trostatic charge could build up during filling, causing the fuel fumes to
ignite. This may be fatally explosive. Always place the canister on the
ground to fill it.
Fig. 174 Fuel tank flap
with tank cap attached
ExeoST_EN.book Seite 222 Donnerstag, 3. September 2009 12:24 12

Checking and refilling levels233
Safety First
Controls and equipment
Practical tips
Technical Data
Liquid coolant losses
Any loss of liquid coolant normally indicates a
leak in the cooling system. In
this case the cooling system should be inspected by a specialist garage
without delay. It is not sufficient merely to top up the liquid coolant.
If there are no leaks in the system, a loss of liquid coolant can only occur if
the coolant boils and is forced out of the system as a result of overheating.
Caution
Radiator sealants must not be added to the liquid coolant. Such additives
could seriously impair the function of the cooling system.Topping up the liquid coolant
Be careful when topping up with liquid coolant.– Switch the engine off.
– Wait for the engine to cool down.
– Cover the cap on the expansion tank ⇒page 232, fig. 181 with a
cloth, and carefully unscrew the cap anti-clockwise ⇒.
– Add liquid coolant.
– Screw on the cap tightly.Make sure that the liquid coolant meets the required specifications
⇒page 231, “Liquid coolant”. Do not use a different type of anti-freeze if
anti-freeze G12++ is not available. In this case, use only water and bring the
anti-freeze concentration back up to the correct level as soon as possible.
Always top up with new liquid coolant. Do not fill above the “max” mark. Excess liquid coolant is forced out of the
system through the valve in the filler cap when the engine gets hot.
If a lot of liquid coolant has been lost, wait for the engine to
cool down before
putting in cold coolant. Failure to do so could result in serious engine
damage.
WARNING
•The cooling system is under pressure. Do not unscrew the cap on the
expansion tank when the engine is hot. Failure to comply could result in
burns.•The anti-freeze and liquid coolant can be a health hazard. Therefore,
the anti-freeze should be stored in the original container in a safe place out
of reach of children. Failure to comply could result in poisoning.For the sake of the environment
Drained off coolant should not be used again. Drain off the used coolant into
a suitable container and dispose of it in the proper manner (observe environ-
mental regulations).Radiator fan
The radiator fan can start running spontaneously.The auxiliary fan can continue to run for as long as 10 minutes after stopping
the engine – even after the ignition is switched off. It may also start running
suddenly ⇒ after some while if•stored heat raises the coolant temperature, or•the hot engine compartment is additionally heated up by the sun.
ExeoST_EN.book Seite 233 Donnerstag, 3. September 2009 12:24 12

If and when253
Safety First
Controls and equipment
Practical tips
Technical Data
Spare steel rim wheel
The spare steel rim wheel is carried in the wheel well under
the floor panel in the luggage compartment. It is only
intended for temporary use over short distances.Taking out the spare wheel
–Turn the plastic knob ⇒ fig. 194 anti-clockwise.
– Take out the spare wheel.
Securing the defective wheel in the spare wheel well
– Place wheel in spare wheel well in the luggage compartment.
– Secure wheel by turning plastic knob clockwise.
– Replace the floor panel before closing the boot lid.
Your vehicle can be equipped with a steel spare wheel at the factory. The
spare wheel does not usually meet the same performance standards as the
wheels fitted on the vehicle because of the wheel/tyre dimensions, rubber
composition, tread pattern, etc. Therefore, note the following restrictions:•The spare steel rim wheel is designed only for your vehicle model. Do not
attempt to mount the wheel on any vehicle but your own.•Your vehicle will have different driving characteristics when the spare
steel rim wheel is mounted ⇒.•The spare wheel is only intended for temporary use after having a flat tyre.
Replace the spare wheel with a normal wheel that has the proper tyre dimen-
sions as soon as possible.•If the size of the spare steel rim wheel is different to that of the other
wheels, it is unlikely that snow chains suitable for the other wheels will fit it.WARNING
•After mounting the spare steel rim wheel, the tyre pressure must be
checked and corrected as soon as possible. The inflating pressure must
adapt to the vehicle load (consult the table containing the inflation pres-
sures). Otherwise there is danger of causing an accident. Use the highest
tyre pressure as indicated in the table.•Do not drive faster than 80 km/h, as higher speeds can cause an acci-
dent.•Avoid heavy acceleration, hard braking and fast cornering, as this could
cause an accident.
Fig. 194 Spare steel rim
wheel
ExeoST_EN.book Seite 253 Donnerstag, 3. September 2009 12:24 12

If and when255
Safety First
Controls and equipment
Practical tips
Technical Data
–The inflation pressure of the newly fitted spare tyre must be
checked as soon as possible.
– Have the tightening torque of the wheel bolts checked as soon as possible with a torque wrench. It must be 120 Nm (always
when cold)
– Have the flat tyre replaced as quickly as possible.
Note•If you notice that the wheel bolts are rusty and difficult to turn when
changing a wheel, they must be replaced before having the tightening torque
checked.•For your safety, drive at moderate speeds until the wheel bolt torque has
been checked.
Loosening and tightening the wheel bolts
The wheel bolts must be loosened before raising the vehicle.Loosening
–Fit the box spanner as far as it will go over the wheel bolt
5).
–Grip the box spanne r as close to the end as possible and turn the
wheel bolts about one turn anti-clockwise ⇒ fig. 195 -arrow- .
Tightening
– Fit the box spanner as far as it will go over the wheel bolt5).
– Grip the box spanner as close to the end as possible and tighten
the bolt firmly by turning clockwise.
5)An adapter is required to unscrew or tighten the anti-theft wheel bolts* ⇒ page 258.
Fig. 195 Changing the
wheel: Loosen the wheel
bolts
ExeoST_EN.book Seite 255 Donnerstag, 3. September 2009 12:24 12

If and when267
Safety First
Controls and equipment
Practical tips
Technical Data
Changing the turn signal bulb
The procedure for changing the bulbs on the front
passenger's side is the same as on the driver's side.– Switch off the ignition and the lights.
– Raise the bonnet.
– Turn the bulb holder anti-clockwise, pulling it by the grip
⇒fig. 207 and removing the bulb holder and the bulb.
– Replace the blown bulb in the bulb holder (press and turn anti- clockwise to remove) with a new bulb (press and turn clockwise
to insert).
– Installation is in the reverse order.
– Check whether the new bulb is working. Note
Although it is not necessary, previously remove the rigid cover
⇒page 269,
fig. 210 for easier turn signal bulb changes.
Fig. 207 Indicator bulb
ExeoST_EN.book Seite 267 Donnerstag, 3. September 2009 12:24 12

If and when269
Safety First
Controls and equipment
Practical tips
Technical Data
Changing the dipped beam headlight bulb
The procedure for changing the bulbs on the front
passenger's side is the same as on the driver's side.
– Switch off the ignition and the lights.
– Raise the bonnet.
– Move the brace ⇒fig. 210 in the direction of the arrow and
remove the rigid cover, separating the brace side and then
removing the two tabs from the other end of the cover.
– Pull the connector ⇒fig. 211 from the bulb.
– Unclip the retainer spring ⇒fig. 211 pressing inwards to the
right.
– Remove the bulb and fit the new one in the headlight casing with the tab upwards, starting to position it from below.
– Clip on the spring, raising it and pressing it slightly while turning
it anti-clockwise. To ensure correct lighting, the filament must be
vertical. When changing the bulb, you can check the position of
the bulb through the headlight glass.
– Connect the connector to the bulb.
– Fit the cover, first inserting the side tabs and then closing the cover and the brace. Make sure that the gasket sits well on the
casing cover during the operation.
– Check whether the new bulb is working.
– Have the headlight settings checked as soon as possible.
Fig. 210 Dipped head-
lightsFig. 211 Dipped head-
lights
A1A2
A3
ExeoST_EN.book Seite 269 Donnerstag, 3. September 2009 12:24 12

If and when
270Changing side light bulb (outside of vehicle)
The procedure for changing the bulbs on the front
passenger's side is the same as on the driver's side.
– Switch off the ignition and the lights.
– Raise the bonnet.
– Move the brace ⇒ fig. 212 in the direction of the arrow and
remove the rigid cover, separating the brace side and then
removing the two tabs from the other end of the cover.
– Gently press on the bulb holder tabs ⇒fig. 213 and pull the
cover upwards (it can also be removed by pulling on the bulb
holder wires).
– Separate the bulb from the bulb holder by pulling both pieces anti-clockwise.
– Fit the new bulb by pressing on the bulb holder.
– Insert the bulb into the socket and press on the bulb holder. Fit the cover, first inserting the side tabs and then closing the cover
and the brace. Make sure that the gasket sits well on the casing
cover during the operation.
– Check whether the new bulb is working.
Fig. 212 Side light bulb
(outside of vehicle)Fig. 213 Side light bulb
(outside of vehicle)
A1
ExeoST_EN.book Seite 270 Donnerstag, 3. September 2009 12:24 12

If and when271
Safety First
Controls and equipment
Practical tips
Technical Data
Changing the side light bulb (inside of vehicle)
The procedure for changing the bulbs on the front
passenger's side is the same as on the driver's side.
– Switch off the ignition and the lights.
– Raise the bonnet.
– Move the brace ⇒fig. 214 in the direction of the arrow and
remove the rigid cover, separating the brace side and then
removing the two tabs from the other end of the cover.
– Remove the bulb and the bulb holder by pulling on the bulb holder wiring.
– Separate the bulb from the bulb holder by pulling both pieces anti-clockwise.
– Fit the new bulb by pressing on the bulb holder.
– Insert the bulb into the socket so that the side of the bulb holder grip is vertical ⇒fig. 215 and press on it.
– Fit the cover, first inserting the side tabs and then closing the cover and the brace. Make sure that the gasket sits well on the
casing cover during the operation.
– Check whether the new bulb is working.Changing bulbs. Bi-Xenon AFS headlightsTypes of bulbsYou must only replace a bulb with a bulb of the same type. The name can be
found on the base of the bulb.
Fig. 214 Side light bulb
(inside of vehicle)Fig. 215 Side lights. Bulb
holder grip in vertical
position
A1
ExeoST_EN.book Seite 271 Donnerstag, 3. September 2009 12:24 12