In brief
17
Automatic transmission P
=park
R = reverse
N = neutral
D = drive
The selector lever can only be moved
out of P or N when the ignition is on
and the foot brake is depressed
(Selector lever lock). To engage P or
R , push button on selector lever.
The automatic transmission is
available in two versions 3 131. Starting off
Check before starting off
■ Tyre
pressure and condition 3 175,
3 220.
■ Engine oil level and fluid levels 3 156.
■ All windows, mirrors, exterior lighting and number plates are free
from dirt, snow and ice and
operational.
■ Proper position of seats, seat belts and mirrors 3 46, 3 55, 3 39.
■ Check brake function at low speed, particularly if the brakes are wet. Starting engine with ignition
switch
Turn key to position 1. Move the
steering wheel slightly to release the
steering wheel lock. Operate clutch
and brake, automatic transmission in
P or N
, do not accelerate; for diesel
engine, turn the key to position 2 for
preheating until control indicator !
goes out; turn key to 3 and release
key when engine is running.
Keys, doors and windows
31The emergency key can only lock or
unlock the driver's door. Unlocking
the entire vehicle
3 32. On vehicles
with anti-theft alarm system, the
alarm may be triggered when the
vehicle is unlocked. Deactivate the
alarm by switching on the ignition. Hold the electronic key at the marked
position and press the
Start/Stop
button.
To switch off the engine, press the
Start/Stop button for at least
2 seconds.
Lock the driver's door with the
emergency key. Locking the entire
vehicle 3 32.
This option is intended for
emergencies only. Seek the
assistance of a workshop. Replacing battery in electronic
key
Replace the battery as soon as the
system no longer operates properly
or
the range is reduced. The need for
battery replacement is indicated by
InSP3 in the service display or by
a check control message in the
Info-Display 3 100.
Batteries do not belong in household
waste. They must be disposed of at
an appropriate recycling collection
point.
38
Keys, doors and windows
After the first 10 seconds of anti-theft
alarm system activation:
LED flashes
slowly = System active,
LED comes
on for approx.
1 second = Switch off function.
Seek the assistance of a workshop in
the event of faults.
Alarm
When triggered, the alarm gives off
an
acoustic signal (horn) and a visual
signal (hazard warning flashers). The
number and duration of which are
stipulated by legislation.
The alarm can be silenced by
pressing a button of the radio remote
control or by switching on the ignition.
The anti-theft alarm system is
deactivated at the same time. Immobiliser
The system checks whether the
vehicle
is allowed to start with the key
being used. If the transponder in the
key is recognised, the vehicle can be
started.
The electronic immobiliser activates
itself automatically after the key has
been removed from the ignition
switch or when the engine is switched
off by pressing the Start/Stop button.
If the control indicator A flashes
when the ignition is on, there is a fault
in the system; the engine cannot be
started. Switch off the ignition and
then repeat the start attempt.
If the control indicator continues
flashing, attempt to start the engine
using the spare key and seek the
assistance of a workshop.
If control indicator illuminates after
the engine has started, there is a fault
in the engine electronics or
transmission electronics 3 88,
3 135, 3 139, or there is water in the
diesel fuel filter 3 101. Note
The immobiliser does not lock the
doors. You should always lock the
vehicle
after leaving it and switch on
the anti-theft alarm system 3 32,
3 36.
90
Instruments and controls
It illuminates for a few seconds when
the ignition is switched on.
Flashing during driving
The system has kicked in. Engine
output may be reduced and the
vehicle may be braked automatically
to a small degree 3 142.
Illuminates while driving
The system is switched off or a fault
is present. Continued driving is
possible. Driving stability, however,
may deteriorate depending on road
surface conditions.
Have the cause of the fault remedied
by a workshop.
ESP® Plus
3 142.
Engine coolant
temperature
W illuminates red.
Illuminates when the engine is
running
Stop, switch off engine. Caution
Coolant temperature too high.
Check coolant level immediately
3 157.
If there is sufficient coolant, consult
a workshop.
Preheating and diesel
particle filter
!
illuminates or flashes yellow.
Illuminated
Preheating activated. Only activates
when outside temperature is low.
Flashes
( in
vehicles fitted with a diesel particle
filter).
Control indicator ! flashes if the filter
requires cleaning and previous
driving conditions did not permit
automatic cleaning. Continue driving
and if possible do not allow engine
speed to drop below 2000 rpm. The control indicator
! goes off as
soon
as the self-cleaning operation is
complete.
Diesel particle filter 3 129.
Deflation detection system
and tyre pressure
monitoring system
w illuminates or flashes red or yellow.
Control indicator lights red
Tyre pressure loss. Stop immediately
and check tyre pressure. A maximum
speed of 80 km/h is permitted for run-
flat tyres 3 174.
Control indicator lights yellow
Fault in system or tyre without
pressure sensor mounted (e. g. spare
wheel). Consult a workshop.
Flashes
Flashes three times to indicate
system initialisation.
Deflation detection system 3 177,
tyre pressure monitoring system
3 176.
Instruments and controls
91
Interactive Driving System,
Continuous Damping
Control, SPORT-mode
IDS+ illuminates yellow.
Illuminates for approximately 10
seconds after the driver's door is
opened. Illumination whilst driving
indicates a fault in the system. The
system
switches to the harder chassis
setting for reasons of safety. Have the
cause of the fault remedied by
a workshop.
IDS Plus
3 143, CDC 3 143, SPORT
mode 3 143.
Engine oil pressure
I illuminates red.
It illuminates when the ignition is
switched on and goes out shortly after
the engine starts. Illuminates when the engine is
running
Caution
Engine lubrication may be
interrupted. This may result in
damage to the engine and/or
locking of the drive wheels.
1. Depress clutch.
2.
Select neutral gear, set selectorlever to N .
3. Move out of the flow of traffic as quickly as possible without
impeding other vehicles.
4. Switch off ignition. 9
Warning When the engine is off,
considerably
more force is needed
to brake and steer.
Do not remove key until vehicle
has come to a standstill, otherwise
the steering column lock could
engage unexpectedly. Seek the assistance of a workshop.
Low engine oil level
S
illuminates yellow.
Engine oil level is checked
automatically.
Illuminates when the engine is
running
Low
engine oil level. Check engine oil
level and top up as necessary
3 156.
Low fuel
Y illuminates or flashes yellow.
Illuminated
Level in fuel tank too low.
Flashes
Fuel used up. Refuel immediately.
Never run the tank dry.
Catalytic converter 3 130.
Bleeding the diesel fuel system
3 159.
100
Instruments and controls
Always day design: black or coloured
text on light background.
Always night design: white or
coloured text on dark background.
Selection is indicated by a o in front
of the menu item.
Ignition logic
See infotainment system manual. Vehicle messages
Messages are given via the
instrument panel display or as
warning and signal buzzers. Check
control messages appear on the
Info-Display. Some appear in an
abbreviated form. Confirm warning
messages 3 93, 3 96.
Warning chimes
When starting the engine or
whilst driving
■
If the electronic key is not presentor is not recognised.
■ If seat belt is not fastened.
■ If a door or the tailgate is not fully closed when starting off.
■ If a certain speed is exceeded with the hand brake applied.
■ If the speed programmed at the factory is exceeded.
■ If the vehicle has automated manual transmission and the
driver's door is opened when the engine is running, a gear is
engaged and the foot brake is not
depressed.
When the vehicle is parked and
the driver's door is opened ■
When the key is in the ignition switch.
■ With exterior lights on.
■ With Open&Start system and automatic transmission, if the
selector lever is not in P.
■ For automated manual transmission, if the hand brake is
not applied and no gear is engaged
when the engine is switched off.
Battery voltage
Low battery voltage in remote control
or electronic key. On vehicles without
check control, the message InSP3
appears in the instrument panel
display. Replace the battery 3 28,
3 29.
Instruments and controls
101
Brake light switch
Brake light does not come on during
braking. Have the cause of the fault
remedied immediately by
a workshop.
Engine cooling level Low fluid level in engine cooling
system. Check coolant immediately
3 157. Drain diesel fuel filter
If
there is water in the diesel fuel filter,
the message InSP4 appears in the
instrument panel. Consult
a workshop.
Lighting
Important exterior lighting lamps,
including cables and fuses, are
monitored. In trailer mode, trailer
lighting is also monitored. Trailers
with LED lighting must have an
adapter that enables lamp monitoring
as with conventional bulbs. The failed lighting will be indicated in
the information display or the
message InSP2 will appear in the
instrument panel display.
Anti-theft alarm system
System fault in anti-theft alarm
system. Have the cause of the fault
remedied by a workshop.
Tyre pressure On vehicles with tyre pressure
monitoring
system, if there is low tyre
pressure, information on which tyre to
check appears on the display.
154
Vehicle care
Vehicle care
General Information ...................154
Vehicle checks ........................... 155
Bulb replacement .......................160
Electrical system ........................167
Vehicle tools .............................. 173
Wheels and tyres .......................174
Jump starting ............................. 185
Towing ....................................... 187
Appearance care .......................189 General Information
Accessories and vehicle
modifications
We
recommend to use Genuine Parts
and Accessories and factory
approved parts specific for your
vehicle type. We cannot assess or
guarantee for other products - even if
they have a regulatory or otherwise
granted approval.
Do not make any modifications to the
electrical system, e. g. changes of
electronic control units (chip tuning).
Vehicle storage
Storage for a long period of time
Following must be done if the vehicle
should be stored for several months:
■ Wash and wax the vehicle.
■ Have the wax in the engine compartment and underbody
checked.
■ Clean and preserve rubber seals.
■ Change engine oil. ■ Drain washer fluid reservoir.
■
Check coolant anti-freeze andcorrosion protection.
■ Adjust tyre pressure to the value specified for full load.
■ Park vehicle in dry, well ventilated place. Engage first or reverse gear
or set selector lever to P. Prevent
the vehicle from rolling.
■ Do not apply hand brake.
■ Open bonnet, close all doors and lock the vehicle.
■ Disconnect the clamp from the negative terminal of the vehicle
battery. Beware that all systems are
not functional, e.g. anti-theft alarm
system.
Putting back into operation
Following must be done if the vehicle
is putting back into operation: ■ Connect the clamp to the negative terminal of the vehicle battery.
Activate the electronic of the power
windows.
■ Check tyre pressure.
■ Fill up the washer fluid reservoir.