Page 32 of 212

26 Keys, doors, windowsFault
If the central locking system cannot be
operated, the problem may be as follows:
zIf the central locking system is
overloaded as a result of repeated
operation at short intervals. The power
supply is cut off for a brief period.
zDefective fuse in the fuse box 3147.
Please contact a workshop to have the
cause of the fault remedied.
Operate the driver’s door with the key.
Picture no: 17881s.tif
Fault in the remote control To unlock
Turn key in driver’s door lock towards front
of vehicle, turn back to vertical position
and remove. The entire vehicle is unlocked.
Switch on ignition to deactivate anti-theft
alarm system 3.
To lock
With the driver’s door closed, turn key in
lock towards rear of vehicle, turn back to
vertical position and remove. The entire
vehicle is locked.
Malfunction in central locking
system To unlock
Turn the key in the driver’s door lock
towards the front of vehicle, turn it back to
the vertical position and remove. The
driver’s door is unlocked. The other doors
can be opened by pulling the lock button
(unless the anti-theft locking system 3 is
active). The luggage compartment and
tank flap remain locked. Switch on the
ignition to deactivate the anti-theft alarm
system 3.
To lock
With the driver’s door open, press the lock
button of one of the other doors. Close the
driver’s door and turn the key in the driver’s
door lock toward the rear of the vehicle,
turn it back to the vertical position and
remove. The unlocked fuel filler flap 3
cannot be locked.
Note
zThe mechanical anti-theft locking
system 3 and the anti-theft alarm
system 3 cannot be activated with the
key.
zTo deactivate the anti-theft alarm
system 3 alarm, switch on the ignition
after opening a door.
Page 37 of 212

31
Keys, doors, windows
Anti-theft alarm system
3
monitors
zthe doors, luggage compartment,
bonnet,
zthe passenger compartment,
zvehicle tilt, e. g. if it is raised,
zthe ignition.
Picture no: 15334t.tif
To activate
All doors, windows and the bonnet must be
closed. Press the p button on the remote
control again within 10 seconds of locking.
If the ignition was on, the driver’s door
must be opened and closed in order to
activate the anti-theft alarm system.
Picture no: 11575s.tif
Activation without monitoring of
passenger compartment and vehicle tilt
Switch on if, for example, you wish to leave
animals in the vehicle.
1. Close luggage compartment and
bonnet.
2. Press button in front of the courtesy lamp
(with ignition off); LED in the hazard
warning lamp button flashes a
maximum of 10 seconds.
3. Close doors.
4. Switch on anti-theft alarm system. LED
illuminates. After approx. 10 seconds,
the system is activated without
monitoring of the passenger
compartment or vehicle tilt. The LED
flashes until the system is switched off.
9 Warning
Do not activate the system if there are
people in the vehicle! The doors cannot
be unlocked from inside.
Page 38 of 212
32 Keys, doors, windows
Picture no: 15987s.tif
Light emitting diode (LED)
During the first 10 seconds of anti-theft
alarm system activation: After the first 10 seconds of anti-theft
alarm system activation:
Contact a workshop for assistance if
problems are encountered.
Picture no: 15335t.tif
To deactivate
Press button q on radio remote control.
– or –
Switch on ignition.
If there is a fault in remote control, turn key
in driver’s door lock toward front of vehicle
as far as it will go. Then turn key back to
vertical position and remove.
If the alarm is triggered when the driver’s
door is opened, deactivate the anti-theft
alarm system by switching on the ignition. zLED comes on
=Test, delayed
switch-on,
zLED flashes
rapidly= Door, luggage
compartment or
bonnet open or
system fault.
zLED flashes
slowly=System switched on,
zLED
illuminates
for approx.
1second= Switch-off function.
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33
Keys, doors, windows
Picture no: 18094s.tif
Opening and closing the luggage
compartment 3 when the anti-theft
alarm system is enabled
1. To unlock:
Tailgate:
Turn key clockwise all the way
past the horizontal position. The tailgate
is unlocked and monitoring of the
passenger compartment and vehicle tilt
are disabled.
Picture no: 18120s.tif
Leaf doors:
Turn key anticlockwise all the
way past the vertical position. The leaf
doors are unlocked and monitoring of
the passenger compartment and vehicle
tilt are disabled.
2. Open the tailgate or leaf doors.
3. Close the tailgate or leaf doors.
4. To lock: Turn key back to horizontal or
vertical position. Monitoring of the
interior and vehicle tilt is enabled after
approx. 10 seconds. Note
zModifications to the passenger
compartment, such as fitting seat
covers, could hinder the function of
passenger compartment monitoring.
zSwitch off passenger compartment
monitoring of the interior of the parked
vehicle is being heated.
Alarm
When triggered, the alarm gives off an
acoustic signal (horn) and a visual signal
(hazard warning flashers). The number
and duration of the alarms are stipulated
by legislation.
The alarm can be silenced by pressing a
button on the remote control or by
switching on the ignition. The anti-theft
alarm system is deactivated at the same
time.
Page 153 of 212
147
Self-help, vehicle care
Picture no: 15543s.tif
Fuses and the most important
circuits they protectSome circuits may be protected by several
fuses.
The figures on pages 147, 148 depict
the fuse boxes of vehicles with engine
Z13DTJ
1). Fuse boxes of other engines
are depicted on pages 149, 150.
Picture no:
1)Sales designation
3184.
No. Circuit
1
Central control unit
2
Engine control unit
No. Circuit
3
Instruments, information display,
light switch, horn, hazard warning
lamps, electronic immobiliser
4
Towing equipment, number plate
lampsNo. Circuit
5
Electric window (left)
6
–
7
–
8
Starter
9
Fuel injection system, fuel pump,
stationary heater
10
Horn
11
Central control unit
12
Information display, infotainment
system
13
Anti-theft alarm system
14
Exterior mirrors
15
Windscreen washer system
16
Courtesy lamp
17
Central control unit
18
–
Page 204 of 212

198 IndexIndex
AABS (Anti-lock Braking System) ........... 119
Accessories ............................................. 133
Accessory socket ..................................... 61
Air intake .................................................. 99
Air recirculation system ........................... 97
Air vents ................................................... 93
Airbags ..................................................... 56
Alarm ........................................................ 33
Alternator ................................................. 69
Antenna ........................................... 90, 161
Anti-corrosion service ............................ 173
Antifreeze ............................................... 177
Antifreeze protection .................... 177, 180
Anti-knock quality of fuel
Octane number .................................. 184
Anti-theft alarm system .......................... 31
Anti-theft lock
Alloy wheels ....................................... 139
Anti-theft protection ............................... 17
Aquaplaning .......................................... 123
Ashtray ..................................................... 62
BBattery ........................................... 107, 180
Interruption of power supply ...... 37, 105
Before starting off ................................... 15
Belt tensioners ......................................... 49
Bleeding, diesel fuel system ................. 128
Bonnet .................................................... 128
Boot, see Luggage
compartment ............................. 28, 29, 42
Brake assist ............................................ 120
Brake lamps ........................................... 157
Brake system ......................................... 118
Brakes
ABS ..................................................... 119
Brake assist ........................................ 120
Brake lamps ....................................... 157
Brake servo unit ................................. 106
Hand brake ........................................ 120
Bulb replacement .................................. 151
Bulbs ....................................................... 151