Page 155 of 248

149
Driving and operation
Picture no: 7758u.tif
To activate Tap button I: the current speed is stored
and maintained. The accelerator pedal
can be released.
Vehicle speed can be increased by
depressing the accelerator pedal. When
the accelerator pedal is released, the
previously stored speed is resumed. Accelerate
With cruise control activated, hold down
button I or briefly press it repeatedly:
speed is increased continuously or in steps
of 2 km/h.
The current speed is stored and saved after
the I button has been released.
Decelerate
With cruise control active, hold down
button R or briefly press it repeatedly:
speed is reduced continuously or in steps
of 2 km/h.
The current speed is stored and saved after
the R button has been released. To deactivate
Briefly press the
O button: cruise control is
deactivated.
Automatic deactivation:
z vehicle speed below approx. 30 km/h
z the brake pedal is depressed
z the clutch pedal is depressed 3
z move the selector lever on the manual
transmission automated 3 to N
Stored speed
The speed is saved until the ignition is
switched off.
To resume the saved speed, briefly press
the R button at a speed above 30 km/h.
Page 156 of 248

150 Driving and operationUltrasonic parking sensors 3
Park pilot makes reverse parking easier by
measuring the distance between the back
of the vehicle and obstacles to the rear. It is
the driver, however, who maintains full
responsibility for parking.
The system records the distance using four
sensors in the rear bumper.
To activate The park pilot system activates
automatically when the ignition is switched
on and reverse gear is engaged.
Operational readiness is indicated by a
brief tone.
If the vehicle approaches an obstacle, a
series of acoustic signals sound. The interval
between the signals be comes shorter as the
vehicle gets closer to the obstacle. When the
distance is less than 30 cm, the signal is
continuous.
Picture no: 14779s.tif
To deactivate The system deactivates automatically
when reverse gear is disengaged. Towing equipment, caravan/trailer towing
If a towing device is subsequently fitted to
the vehicle, the system must be set to the
modified vehicle length by a workshop.
When operating without a trailer, the tow
bar must be removed else the system can
be damaged.
Fitting rear load racks
3
Rear carriers, e. g. bike carriers, could
cause system malfunction.
Fault
On system faults, a permanent tone
sounds at a distance of 1 metre from the
obstacle. Have the cause of the fault
eliminated by a workshop.
In order to avoid operational problems or
erroneous information, the sensors must be
undamaged and free of soiling, snow and
ice.
9 Warning
Under certain circumstances, various
reflective surfaces on objects or clothing
as well as external noise sources may
cause the system to fail to detect
obstacles.
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151
Driving and operation
Picture no: 14722s.tif
Hydraulic brake system The brake system comprises two
independent brake circuits.
If a brake circuit fails, the vehicle can still be
braked using the other brake circuit.
However, the brake pedal must be
depressed a considerable way before any
braking effect occurs, and much more
force is required. The braking distance is
longer. Contact a workshop for assistance
before continuing to drive. To ensure that full
pedal travel can be
utilised, especially in case of a fault in one
of the brake circuits, there must be no mats
in the vicinity of the pedals 3136.
When the engine is not running, the
support of the brake servo unit disappears
once the brake pedal has been depressed
once or twice. Braking effect is not
reduced, but braking requires significantly
greater force. This is especially important
to bear in mind when towing.
The brake fluid level should be checked
regularly. If the brake fluid level is too low
and the hand brake is not applied, control
indicator R on the instrument panel
illuminates 385.
Picture no: 17894s.tif
Brake system control indicator R
The control indicator illuminates after the
ignition is turned on, when the hand brake
is applied or if the brake or clutch fluid level
is too low. Brake fluid 3214.
9 Warning
If the control indicator illuminates when
the hand brake is released, stop driving
immediately. Contact a workshop for
assistance.
Page 158 of 248

152 Driving and operationFor vehicles with manual transmission
automated 3, the control indicator flashes
for a few seconds when the ignition is
turned off when the hand brake is not
applied. Anti-lock brake system (ABS
u)
ABS prevents the wheels from locking.
ABS starts to regulate brake pressure as
soon as a wheel shows a tendency to lock.
The vehicle remains steerable, even during
hard braking.
ABS control is made apparent though a
pulse in the brake pedal and the noise of
the regulation process.
For optimum braking, keep the brake
pedal fully depresse d throughout the
braking process, despite the fact that the
pedal is pulsating. Do not reduce the
pressure on the pedal.
Picture no: 17895s.tif
Control indicator u for ABS
It illuminates for a few seconds when
ignition is switched on. Once the control
indicator goes out, the system is ready for
operation.
If the control indica tor does not go out
after a few seconds, or if it illuminates while
driving, there is a fault in the ABS. The
brake system remains operational without
ABS regulation.
Adaptive brake lamp 3
During full-on braking, all three brake
lamps flash for the duration of ABS control. Self testing
When the engine is started and the vehicle
starts off, the system performs a self-check,
which may be audible.
Fault
Have cause of fault remedied by a
workshop. The system’s integrated self
diagnostics allow faults to be quickly
remedied.
9 Warning
If there is a fault in the ABS, the wheels
may be liable to lock due to braking that
is heavier than normal. The advantages
of ABS are no longer available. During
hard braking, the vehicle can no longer
be steered and may swerve.
Page 171 of 248

165
Self-help, vehicle care
Self-help, vehicle care
Diesel fuel system, bleeding If the tank is allowed to run dry, the diesel
fuel system must be bled. Turn over the
ignition three times for 15 seconds at a
time. Then start the engine for a maximum
of 40 seconds
1). Repeat this process after
no less than 5 seconds. If the engine fails to
start, seek the assistance of a workshop.
Picture no: 16109s.tif
Bonnet Pull the release lever lo cated on the driver’s
side below the instru ment panel and push
it back to its original position.
Diesel fuel system, bleeding ............... 165
Bonnet .................................................. 165
Starting the engine with jump
leads 3............................................. 166
Towing .................................................. 168
Warning triangle ¨ 3,
First-aid kit +3................................. 171
Jack £ 3 and vehicle tools 3............ 171
Spare wheel 3...................................... 172
Changing wheels ................................. 174
Tyre repair kit 3................................... 178
Electrical system .................................. 181
Fuses and the most important circuits they protect ....................................... 182
Bulb replacement ................................ 185
Vehicle care.......................................... 196
1)For technical reasons, only 30 seconds are
possible on engines Y 17 DT and Z 17 DTH
Page 175 of 248
169
Self-help, vehicle care
Picture no: 17918s.tif
Screw in the towing eye anticlockwise as far
as it will go until it stops in a horizontal
position.
Attach a tow rope 3 – or better still a tow
rod 3 – to the eye.
The towing eye may only be used for
towing and not for recovery of the vehicle. Switch on ignition to release steering
column lock and to permit operation of
brake lamps, horn an
d windscreen wipers.
Gear lever in neutral.
Picture no: 17897s.tif
When the engine is not running,
considerably more force is needed to brake
and steer.
To prevent the entry of exhaust fumes from
the towing vehicle, switch on the air
recirculation 3 and close the windows.
Contact a workshop for assistance.
Caution
Drive slowly. Do not drive jerkily.
Excessive tractive force can damage
the vehicle.
Page 185 of 248

179
Self-help, vehicle care
Picture no: 15319t.tif
4. Screw the compressor air hose to the connection on the sealant bottle.
5. Fit the sealant bottle in the retainer on the compressor.
Set the compressor near the tyre in such
a way that the sealant bottle is upright.
6. Remove the valve cap from the defective tyre.
Picture no: 15795t.tif
7. Screw the filler hose to the tyre valve.
8. The switch on the compressor must be set to §.
9. Plug the compressor connector into the accessory socket or the cigarette lighter
socket. For accessory sockets 378.
Picture no: 15796t.tif
10. Switch on ignition.
11. Set the rocker switch on the compressor
to I. The tyre is filled with sealant.
12. While the sealant bottle drains (approx. 30 seconds) the pressure
indicator on the compressor briefly
points to 6 bar. Pressure then sinks
again.
13. All of the sealant is pumped into the tyre. Afterwards, the tyre is filled with
air.
14. The prescribed tyre pressure should be reached within 10 minutes. Tyre
pressure 3228. Switch off the
compressor when the correct pressure is
obtained.
Page 188 of 248

182 Self-help, vehicle care
Picture no: 14725s.tif
Keep spare fuses in the fuse box lid (shown
in yellow in the Fig.). Open lid 3182.
Before replacing a fuse, turn off the
respective switch and the ignition.
A blown fuse can be recognised by its
melted wire. Do not replace the fuse until
the cause of the fault has been remedied.
To help in replacing fuses, there is a special
fuse-gripping tool in the fuse box 3.
Picture no: 12892j.tif
Slot fuse-gripping tool onto fuse and
withdraw it.
Some functions are protected by several
fuses.
There may be fuses inserted with no
function.
Always use fuses with the correct current
value. This is shown on each fuse, and is
also indicated by the fuse colour and the
plug-in location in the fuse box.
Different versions of fuses are used.
Picture no: 14211s.tif
Fuses and the most important
circuits they protect Fuse box in passenger compartment
Disengage fuse box cover at bottom and
remove. No. Circuit
1 Central control unit
2 Immobiliser, hazard warning
lamps, exterior lighting
3 Headlamp washer system