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Driving and operating127
■ the self-cleaning function of thediesel particle filter is not active
■ the vehicle has moved since the last Autostop
Otherwise an Autostop will be
inhibited.
Certain settings of the climate control
system may inhibit an Autostop. See
Climate control chapter for more
details 3 117.
Immediately after motorway driving
an Autostop may be inhibited.
New vehicle running-in 3 124.
Vehicle battery discharge protection To ensure reliable engine restarts,
several vehicle battery discharge
protection features are implemented
as part of the stop-start system.
Restart of the engine by the
driver
Depress the clutch pedal to restart the
engine.
The engine start is indicated by the
needle at the idle speed position in
the tachometer.If the selector lever is shifted out of
neutral before depressing the clutch
first, control indicator - illuminates.
Control indicator - 3 90.
Restart of the engine by the
stop-start system
The selector lever must be in neutral to enable an automatic restart.
If one of the following conditions
occurs during an Autostop, the
engine will be restarted automatically by the stop-start system.
■ The stop-start system is manually deactivated
■ the bonnet is opened
■ the driver's seat belt is unfastened and the driver's door is opened
■ the engine temperature is too low
■ the charging level of the vehicle battery is below a defined level
■ the brake vacuum is not sufficient
■ the vehicle is driven at least at walking speed
■ the defrosting function is activated■ the climate control system requests
an engine start
■ the air conditioning is manually switched on
If an electrical accessory, e.g. a
portable CD player, is connected to
the power outlet, a brief power drop
during restart might be noticeable.
Parking9 Warning
■ Do not park the vehicle on an
easily ignitable surface. The
high temperature of the exhaust system could ignite the surface.
■ Always apply the electrical parking brake.
Pull switch m.
The electric parking brake is
applied when control indicator
m illuminates 3 86.
For maximum force, e.g. parking
with a trailer or on inclines, pull
switch m twice.
Page 130 of 223

128Driving and operating■ Switch off the engine and turnthe ignition key to position
LOCK , push key into ignition
switch and remove.
Turn the steering wheel until the steering wheel lock is felt to
engage.
For vehicles with automatic
transmission, depress foot
brake and shift into P before
pushing key into ignition switch
and removing.
■ If the vehicle is on a level surface or uphill slope, engage
first gear or move the selector
lever to P before switching off
the ignition. On an uphill slope,
turn the front wheels away from
the kerb.
If the vehicle is on a downhill
slope, engage reverse gear or
move the selector lever to P
before switching off the ignition.
Turn the front wheels towards
the kerb.■ Close windows and sunroof.
■ Lock the vehicle with button p on
the radio remote control 3 21.
Activate the anti-theft alarm system
3 25.Engine exhaust9 Danger
Engine exhaust gases contain
poisonous carbon monoxide,
which is colourless and odourless and could be fatal if inhaled.
If exhaust gases enter the interior
of the vehicle, open the windows.
Have the cause of the fault
rectified by a workshop.
Avoid driving with an open load
compartment, otherwise exhaust
gases could enter the vehicle.
Malfunction indicator light 3 85.
Diesel particle filter
The diesel particle filter system filters
harmful soot particles out of the
exhaust gases. The system includes
a self-cleaning function that runs
automatically during driving without
any notification.
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Driving and operating129
The filter is cleaned by periodically
burning off the soot particles at high
temperature. This process takes
place automatically under set driving
conditions and may take more than
15 minutes. Autostop is not available
and fuel consumption may be higher
during this period. The emission of
smells and smoke during this process is normal.
Under certain driving conditions, e.g.
short distances, the system cannot
clean itself automatically.
If cleaning of the filter is required and previous driving conditions did not
enable automatic cleaning, it will be
indicated by control indicator %
3 88.
% illuminates, accompanied by a
warning chime, when diesel particle
filter is full. Start cleaning process as
soon as possible.
% flashes when diesel particle filter
has reached the maximum filling level. Start cleaning process
immediately to avoid damage to the
engine. A warning chime sounds every 3 minutes until the cleaning
process is complete.
Cleaning process
To activate the cleaning process,
continue driving, keeping engine
speed above 2000 revolutions per
minute. Shift down if necessary.
Diesel particle filter cleaning is then
started.
If control indicator Z illuminates
additionally in the instrument cluster
when the engine is running, there may be a fault in the diesel particlefilter 3 85. Cleaning is not possible,
seek the assistance of a workshop
immediately.Caution
If the cleaning process is
interrupted, there is a risk of
provoking severe engine damage.
Cleaning takes place quickest at high engine speeds and loads.
Do not switch off the engine until the
cleaning process is complete. This is
indicated by the extinguished control
indicator %.
Catalytic converter
The catalytic converter reduces the
amount of harmful substances in the
exhaust gases.
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130Driving and operatingCaution
Fuel grades other than those listedon pages 3 144, 3 205 could
damage the catalytic converter or
electronic components.
Unburnt petrol will overheat and
damage the catalytic converter.
Therefore avoid excessive use of the starter, running the fuel tank
dry and starting the engine by
pushing or towing.
In the event of misfiring, uneven
engine running, a reduction in engine performance or other unusual
problems, have the cause of the fault
rectified by a workshop as soon as
possible. In an emergency, driving
can be continued for a short period,
keeping vehicle speed and engine
speed low.
Malfunction indicator light 3 85.
Automatic transmission
The automatic transmission permits
automatic gearshifting (automatic
mode) or manual gearshifting
(manual mode).
Transmission display
The mode or selected gear is shown
in the transmission display.
P=park positionR=reverse gearN=neutralD=drive position (automatic
mode)1-6=selected gear in manual mode
Selector lever
P=park position, wheels are locked, engage only when the vehicle is
stationary and the electrical
parking brake is appliedR=reverse gear, engage only when
vehicle is stationaryN=neutral or idleD=drive position (automatic mode
with all gears)
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Driving and operating131
The selector lever is locked in position
P and N and can only be moved when
the ignition is on and the foot brake is applied.
To engage P or R, push the release
button.
Never shift to P or R while the vehicle
is moving.
The engine can only be started with
lever in position P or N. Depress foot
brake or apply electrical parking
brake before starting.
Do not accelerate while engaging a
gear. Never depress the accelerator
pedal and brake pedal at the same
time.
When a gear is engaged, the vehicle
slowly begins to creep when the foot
brake is released.
Engine braking To utilise the engine braking effect,
select a lower gear in good time when
driving downhill - see Manual mode.
Use of the engine braking effect, as
opposed to the use of the foot brake
when driving downhill, can extend the
life of the brakes.Rocking the vehicle
Rocking the vehicle is only
permissible if the vehicle is stuck in
water, ice, sand, mud, snow or a dip.
Move the selector lever between D
and R in a repeat pattern while
applying light pressure to the
accelerator pedal when the vehicle is in gear. Do not race the engine and
avoid sudden acceleration.
If the vehicle cannot be released after
rocking the vehicle several times,
your vehicle may need to be towed
3 192.
Parking
Apply the electrical parking brake and engage P.
The ignition key can only be removed
when the selector lever is in position
P .Manual mode
Move selector lever out of position D
towards the left and then forwards or backwards.
<=Shift to a higher gear.]=Shift to a lower gear.
Tip selector lever in the appropriate
direction. It then returns to the centre
position.
Gearshifting in manual mode can be
achieved whilst accelerating. If the
engine speed is too low, the
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132Driving and operating
transmission will automatically shift toa lower gear, even in manual mode,
to prevent the engine from stalling.
If a higher gear is selected when
vehicle speed is too low, or a lower
gear when vehicle speed is too high,
the shift is not executed.
In manual mode, no automatic
shifting to a higher gear takes place
at high engine revolutions.
Gears can be skipped by moving the
selector lever repeatedly at short
intervals.
After stopping, 1st gear is
automatically selected. When starting
on slippery surfaces, tip selector lever forwards to engage 2nd gear.
To move back to position D, move
selector lever back to the right.
Electronic driving
programmes ■ Following a cold start, the operating
temperature programme increasesengine speed to quickly bring the
catalytic converter to the required
temperature.Kickdown
In both automatic and manual modes, if the accelerator pedal is pressed
down completely the transmission
shifts to a lower gear depending on
engine speed. Full engine power is
available for acceleration.
Fuel economy mode
Activate fuel economy mode to allow
the transmission to adapt gearshift
patterns, improving the vehicle's fuel
economy.
Activation
In automatic mode, press button
s ; control indicator s
illuminates in the instrument cluster 3 90.
The settings of certain electronic
systems are adapted to reduce fuel
consumption:
■ The engine reacts less quickly to the accelerator pedal.
■ Automatic upshift points occur sooner and downshift points occur
later.
■ The transmission locks itself to the engine at cruising speeds, to
improve efficiency and increase
power and torque.
■ The fuel supply is automatically cut-
off more quickly during vehicle
deceleration. Overrun cut-off
3 125.
Do not use fuel economy mode whilst towing, e.g. a trailer.
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Driving and operating133
Deactivation
Fuel economy mode is switched off
by pressing button s again;
control indicator s extinguishes in
the instrument cluster.
Fault
In the event of a fault in the automatic
transmission, control indicator Z
illuminates in the instrument cluster 3 85 . Automatic shifting may be much
harsher than normal or, in the case of
a serious fault, cancelled altogether.
Have the cause of the fault remedied
by a workshop.
If control indicator g illuminates in
the instrument cluster when the
engine is running, this may indicate a
fault in the transmission electronics
3 85. The electronics switch to the
emergency running programme, fuel
consumption may increase and the
driveability of the vehicle may be
affected. Seek the assistance of a
workshop.Interruption of power
supply
The clutch is not disengaged if the
vehicle battery is discharged and a
gear has been selected. The vehicle
cannot move. The selector lever
cannot be moved out of position P or
N .
If the battery is discharged, start the
vehicle using jump leads 3 190.
If the battery is not the cause of the
fault, release the selector lever:
1. Switch off ignition and remove the
key.
2. Depress and hold foot brake.3. Remove trim cover.
4. Press and hold shift lock release button.
5. Shift to neutral ( N).
6. Replace trim cover.
7. Start engine and shift to chosen gear.
Have the cause of the power supply
interruption remedied by a workshop.
Page 136 of 223

134Driving and operatingManual transmission
To engage reverse, with the vehicle
stationary, wait 3 seconds after
depressing clutch pedal and engage
the gear.
If the gear does not engage, set the
lever to neutral, release the clutch
pedal and depress again; then repeat
gear selection.
Do not slip the clutch unnecessarily.
When operating, depress the clutch
pedal completely. Do not use the
pedal as a foot rest.
Caution
It is not advisable to drive with the hand resting on the selector lever.
Drive systems
All-wheel drive
All-wheel drive is an active-on-
demand system that engages
automatically, with no action required by the driver. Depending on the
driving environment, the vehicle
switches between two-wheel drive
and four-wheel drive, to give the vehicle more traction and stability
when necessary.
If the front wheels begin to slip, the
rear wheels will automatically begin to
drive the vehicle as required. More
torque is transferred to the wheels
that have the most traction, so the
vehicle has optimum grip at all times. There may be a slight engagement
noise during hard use.
As well as enabling the vehicle to be
driven off-road, this system also
enables the vehicle to be driven on
normal roads without incurring
excessive tyre and drivetrain wear or
causing poor control.