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Driving and operating179Activation
In addition to the rear parking assist,
the front parking assist is triggered
when an obstacle is detected in front
and the speed of the vehicle is below 10 km/h.
The system is ready to operate when
the LED in the parking assist button
¼ is not illuminated.
When the system is deactivated, the
LED in the button illuminates.
Indication
The system warns the driver with
acoustic signals against potentially
hazardous obstacles in front of the
vehicle and behind the vehicle.
Depending on which side of the
vehicle is closer to an obstacle, you
will hear acoustic warning signals in the vehicle on the respective side.
The interval between the sounds
becomes shorter as the vehicle gets
closer to that obstacle. When the
distance is less than approx. 30 cm,
the sound is continuous.
Additionally, the distance to rear and
front obstacles is displayed by
changing distance lines in the Info
Display 3 103.
If the vehicle stops for more than
3 seconds in a forward gear, if
automatic transmission is in P or if no
further obstacles are detected, no
acoustic warning signals are given.
Deactivation
The system is deactivated
automatically when vehicle speed
exceeds 10 km/h, by applying the
electric parking brake or by pressing
the parking assist button ¼.
When the system is deactivated
manually, the LED in the button
illuminates.
If the system has been deactivated
manually, it is not reactivated
automatically the next time the
ignition is switched on.
System limitations In the event of a fault or if the system does not work temporarily, e.g.
because of high external noise level
or other interference factors, C
illuminates in the instrument cluster.
A message is displayed in the Driver Information Centre.
Page 232 of 283
230Vehicle careNo.Circuit11Doors lock / Tailgate lock12Stop-start system / Diagnostic
connector module / Brake
system13Infotainment / Climate control
system14Alarm siren15Climate control system16Stop-start system / Brake
system17Instrument cluster19Column electrical assembly /
Steering wheel controls21Anti-theft alarm system22Camera / Rain sensor / Auto‐
matic light control23Seat belt reminder24Automatic transmission /
Advanced parking assist /
Panoramic view systemNo.Circuit25Airbag26Electronic Stability Control27Alarm28BTA module29Infotainment32Cigarette lighter / Power outlet
front34Heated rear window / Heated
windscreen / Inductive charging35Light switch / Diagnostic
connector module36LightingVehicle tools
Tools
Vehicles with spare wheel Open the floor cover of the load
compartment 3 73.
Remove the cover of the tool box.
The jack, the towing eye, chocks and
the tools are located in the tool box.
Page 246 of 283

244Vehicle careJump startingDo not start with quick charger.
A vehicle with a discharged vehicle
battery can be started using jump
leads and the vehicle battery of
another vehicle.Caution
Never jump start another vehicle
with a hybrid vehicle.
9 Warning
Be extremely careful when starting
with jump leads. Any deviation
from the following instructions can
lead to injuries or damage caused
by battery explosion or damage to the electrical systems of both
vehicles.
9 Warning
Avoid contact of the battery with
eyes, skin, fabrics and painted
surfaces. The fluid contains
sulphuric acid which can cause
injuries and damage in the event
of direct contact.
● Never expose the vehicle battery
to naked flames or sparks.
● A discharged vehicle battery can already freeze at a temperature
of 0 °C. Defrost the frozen battery before connecting jump leads.
● Wear eye protection and protective clothing when
handling a battery.
● Use a booster battery with the same voltage (12 V). Its capacity
(Ah) must not be much less than
that of the discharged vehicle battery.
● Use jump leads with insulated terminals and a cross section of
at least 16 mm 2
(25 mm 2
for
diesel engines).
● Do not disconnect the discharged
vehicle battery from the vehicle.
● Switch off all unnecessary electrical consumers.
● Do not lean over the vehicle battery during jump starting.
● Do not allow the terminals of one
lead to touch those of the other
lead.
● The vehicles must not come into contact with each other during
the jump starting process.
● Apply the parking brake, transmission in neutral,
automatic transmission in P.
Page 248 of 283

246Vehicle care
Screw in the towing eye as far as it will
go until it stops in a horizontal
position.
Attach a tow rope – or better still a tow
rod – to the towing eye.
The towing eye must only be used for towing and not for recovering the
vehicle.
Switch on ignition to release steering
wheel lock and to permit operation of
brake lights, horn and windscreen
wiper.
Caution
Deactivate the driver assistance
systems like active emergency
braking 3 173, otherwise the
vehicle may automatically brake during towing.
Switch the selector lever to neutral.
Release the parking brake.
Caution
Drive slowly. Do not drive jerkily.
Excessive tractive force can
damage the vehicle.
When the engine is not running,
considerably more force is needed to
brake and steer.
To prevent the entry of exhaust gases from the towing vehicle, switch on the
air recirculation and close the
windows.
Vehicles with automatic transmission: The vehicle must be towed facing
forwards, not faster than 80 km/h nor further than 100 km. In all other cases
and when the transmission is
defective, the front axle must be
raised off the ground.
Seek the assistance of a workshop.
After towing, unscrew the towing eye.
Insert cap with the flange into the
recess and fix cap by pushing.
Towing a hybrid vehicle9 Warning
Always tow the vehicle on a
platform. Avoid towing the vehicle
with two or four wheels on the
ground.
If necessary, the vehicle can be
moved a few metres at a speed
below 10 km/h.
Before moving the car: Switch on ignition, depress the brake pedal, shift to N and switch off ignition.
Ensure the vehicle is only towed
by well trained technicians.
Page 266 of 283
264Technical dataPerformanceEngineD12xHT / F12xHTD16xHTD15DTHD20DTHA16NHTF16XHRA16xHLMaximum speed [km/h]Manual transmission188–195––––Automatic transmission1966)1902142012356)6)Not available at time of printing.
Page 278 of 283

276IndexAAccessories and vehicle modifications .......................... 211
Active emergency braking ..101, 173
Adaptive cruise control .......100, 165
AdBlue .................................. 98, 143
Adjustable air vents ...................132
Advanced parking assist ............180
Airbag and belt tensioners ...........94
Airbag deactivation ................60, 95
Airbag label................................... 55 Airbag system .............................. 55
Air conditioning regular operation ................................ 133
Air conditioning system .............. 124
Air intake .................................... 133
Air vents...................................... 132
All-wheel drive ........................... 152
Antilock brake system ................ 153
Antilock brake system (ABS) .......97
Anti-theft alarm system ................35
Anti-theft locking system .............. 35
Appearance care ........................247
Armrest ................................... 51, 52
Ashtrays ....................................... 88
Automatic anti-dazzle ..................39
Automatic crash notification (ACN) ...................................... 111
Automatic light control ...............114
Automatic locking ........................28Automatic operation of electric
parking brake off .......................97
Automatic transmission .............148
Automatic transmission electrified ................................. 147
Autostop ............................... 99, 139
Auxiliary heater ........................... 131
B Battery discharge protection ......122
Battery gauge ............................... 91
BlueInjection ............................... 143
Bonnet ....................................... 214
Brake and clutch fluid .................255
Brake and clutch system .............96
Brake assist ............................... 156
Brake fluid .................................. 217
Brakes ............................... 153, 217
Breakdown.................................. 245
Bulb replacement ....................... 220
C Capacities .................................. 266
Catalytic converter .....................143
Central locking system ................24
Centre console lighting ..............122
Centre console storage ...............70
Changing tyre and wheel size ...235
Charge cord ................................ 199
Charge cord connected ................99
Charging ..................................... 195