Page 24 of 194
Keys, locks and alarm system
Key
Key Overview
Locking the vehicle
Operating the boot
lid
Unlocking the vehi-
cle
A
Battery status warn-
ing lamp
B
Locking button for
folding the key bit
in/out
NOTICE
Page 26 of 194
Page 31 of 194
Set a delayed lid lock
If the lid is unlocked with the button on the key,
the lid is automatically locked again after closing.
The period after which the lid is locked automatically
can be extended by a specialist garage.
Boot lid - with electrical control Operation
CAUTION
Risk of injury!
Page 38 of 194
Troubleshooting
Blocked belt retractor
Page 73 of 194

Connection conditions
General connection conditions
q The mobile device supports the following Smar-
tLink connection types: Android Auto. Apple Car- Play and MirrorLink.
q Mobile devices, as well as the type of Smar-
tLinkconnection, are supported in the respective market.
q Some connected mobile devices require the mo-
bile device to be “unlocked”.
Conditions for Android Auto
q The device to be connected must have Android
AutoSupport.
A list of devices, supported regions and applica-
tions that the Android Auto connection supports can be found on the websites of Google Inc..
q The Android Auto application needs to be instal-
led on the mobile device.
q Some applications require the data connection in
the mobile device to be turned on.
Conditions for Apple CarPlay
q The device to be connected must have Apple
CarPlaySupport.
A list of devices, supported regions and applica-
tions that the Apple CarPlay connection supports
can be found on the websites of Apple Inc..
q Siri voice control is on.
q The data connection is switched on in the mobile
device.
Conditions for MirrorLink
q The device to be connected must have Mirror-
LinkSupport.
A list of devices and applications that the Mirror- Link connection supports can be found on the
websites of Car Connectivity Consorcium
Page 129 of 194
Driver assist systems
Braking and stabilising systems Overview
Electronic Stability Control (ESC)
ESC helps to stabilize the vehicle in borderline situa-
tions (e.g. when the vehicle starts to skid). ESC
brakes the individual wheels to maintain the direc-
tion of travel.
flashes - ESC is engaged
Anti-Slip Regulation (ASR)
ASR helps to stabilize the vehicle when accelerating
or driving on low-grip roads. ASR reduces the drive
power transmitted to the wheels when the wheels
spin.
flashes - ASR is engaged
Anti-lock Braking System (ABS)
ABS helps maintain control of the vehicle during
emergency braking. An ABS intervention is noticea-
ble by pulsating movements of the brake pedal.
Motor Slip Regulation (MSR)
MSR helps to maintain control of the vehicle in the
event of a sudden reduction in speed, e.g. on icy
roads. If the drive wheels lock, MSR increases the
engine speed. As a result, the braking e
Page 130 of 194
Brake system and anti-lock braking system faultyilluminates together with
Page 153 of 194
Fuses overviewFuse
numberConsumer1Tow hitch2LED headlights - left side3Music amplifier4Headlight washers5Tilting/sliding sunroof6Central locking, windscreen washer,
rear window wiper7Seat heating - rear8Climatronic9LED headlights - right side10Tow hitch11Electric boot lid12Heated steering wheel13Light switch, diagnosis connection, rain
sensor, control lever under the steering
wheel, front windscreen heating14Windscreen washer system15Instrument cluster, emergency call16Light - right side17Electric windows - right side18Windscreen wiper19Infotainment20Heated rear window21SCR (AdBlue