Page 78 of 458

R
the tailgate
R the hood
X To turn the alarm off with the
SmartKey: press the000Cor000B button
on the SmartKey.
The alar mis switched off.
or
X Insert the SmartKey into the ignition lock.
The alarm is switched off.
X To stop the alarm using KEYLESS-GO:
grasp the outside door handle. The
SmartKey must be outside the vehicle.
The alarm is switched off.
or
X Press the Start/Stop button on the
dashboard. The SmartKey must be inside
the vehicle.
The alarm is switched off.
The alarm is not switched off, even if you
close the open door that has triggered it, for
example.
i If the alarm stays on for more than
30 seconds, the mbrace (USA only) or TELE
AID (Canada only) emergency call system
initiates a call to the Customer Assistance
Center automatically. The emergency call
system initiates the call provided that:
R you have subscribed to the mbrace/
TELEAID Service.
R the mbrace/TELEAID Service has been
activated properly.
R the required mobile phone, power supply
and GPS are available. 76
Theft deterrent locking systemSafety
Page 217 of 458

If there is an obstacle within this range, the
relevant warning displays lightu p and a
warning tone sounds. If the distance falls
below the minimum, the distance may no
longer be shown.
Warning displays Warning display for the fron
tarea
0002 Segments on the left-hand side of the
vehicle
0003 Segments on the right-hand side of the
vehicle
001F Segments showing operational readiness
The warning displays show the distance
betwee nthe sensors and the obstacle. The
warning display for the front area is located
on the dashboard above the center air vents.
The warning display for the rear area is in the
roof lamp in the rear compartment.
The warning display for each side of the
vehicle is divided into five yellow and two red
segments. PARKTRONIC is operational if
yellow segments showing operational
readiness 001Flight up.
The selected transmission position and the
direction in which the vehicle is rolling
determine which warning display is active
when the engine is running. Transmission
position Warning display
D
Front area activated
R,
Nor the vehicle
is rolling
backwards Rear and front areas
activated P
No areas activated
One or more segments light up as the vehicle
approaches an obstacle, depending on the
vehicle's distance from the obstacle.
From the:
R
sixth segment onwards, you will hear an
intermittent warning tone for
approximately two seconds.
R seventh segment onwards, you will hear a
warning tone for approximately two
seconds. This indicates that you have now
reached the minimum distance.
Deactivating/activating PARKTRONIC 0002
Indicator lamp
0003 Deactivating/activating PARKTRONIC
If indicator lamp 0002lights up, PARKTRONIC is
deactivated. Active Park Assist is then also
deactivated.
i PARKTRONIC is automatically activated
when you turn the SmartKey to position 2
in the ignition lock. Driving systems
215Driving and parking Z
Page 397 of 458

Before changing a fuse
X Secure the vehicle against rolling away
(Y page 179).
X Switch off all electrical consumers.
X Turn the SmartKey to position 0in the
ignition lock and remove it (Y page 157).
On vehicles with KEYLESS-GO, make sure
the ignition is switched off (Y page 158).
All indicator lamps in the instrument cluster
must be off.
The fuses are located in various fuse boxes:
R fuse bo xonthe front-passenger side of the
dashboard
R fuse box in the engine compartmentont he
right-hand side of the vehicle, when viewed
in the direction of travel
R Fuse box under the rear bench seat
The fuse allocation chart is located in the fuse
box under the rear bench seat (Y page 395).Dashboard fuse box
! Do not use a pointed object such as a
screwdriver to open the cover in the
dashboard. You could damage the
dashboard or the cover.
! Make sure that no moisture can enter the
fuse box when the cover is open.
! When closing the cover, make sure that it
is lying correctly on the fuse box. Moisture
seeping in or dirt could otherwise impair
the operation of the fuses. X
To open: pull cover 0002outwards in the
direction of the arrow and remove it.
X To close: clip in cover 0002on the front of
the dashboard.
X Fold cover 0002inwards until it engages. Fuse box in the engine compartment
! Make sure that no moisture can enter the
fuse box when the cover is open.
! When closing the cover, make sure that it
is lying correctly on the fuse box. Moisture
seeping in or dirt could otherwise impair
the operation of the fuses. X
Open the hood.
X Remove any existing moisture from the
fuse box using a dry cloth.
X To open: open clamps 0003.
X Fold up cover 0002in the direction of the
arrow and remove it.
X To close: check whether the seal is seated
correctly in cover 0002.
X Insert cover 0002at the side of the fuse box
into the retainers.
X Fold down cover 0002and close clamps 0003.
X Close the hood. Fuse box under the rear bench seat
! Make sure that no moisture can enter the
fuse box when the cover is open. Fuses
395Breakdown assistance Z