Instruments and controls87Instruments and
controlsControls ....................................... 88
Steering wheel adjustment ........88
Steering wheel controls .............88
Heated steering wheel ...............89
Horn ........................................... 89
Windscreen wiper/washer .........89
Rear window wiper/washer .......91
Outside temperature ..................92
Clock ......................................... 92
Power outlets ............................. 94
Inductive charging .....................95
Ashtrays .................................... 96
Warning lights, gauges and indi‐ cators ........................................... 97
Instrument cluster ......................97
Speedometer ........................... 102
Odometer ................................ 103
Trip odometer .......................... 103
Tachometer ............................. 104
Fuel gauge .............................. 104
Engine coolant temperature gauge ..................................... 105
Service display ........................ 105
Control indicators ....................106Turn signal............................... 106
Seat belt reminder ...................106
Airbag and belt tensioners .......107
Airbag deactivation ..................107
Charging system .....................108
Malfunction indicator light ........108
Brake and clutch system .........108
Electric parking brake ..............108
Electric parking brake fault ......108
Antilock brake system (ABS) ...109
Gear shifting ............................ 109
Following distance ...................109
Lane keep assist .....................109
Electronic Stability Control off . 109
Electronic Stability Control and Traction Control system .........109
Traction Control system off .....110
Engine coolant temperature ....110
Preheating ............................... 110
AdBlue ..................................... 110
Tyre pressure monitoring system .................................... 110
Engine oil pressure ..................110
Low fuel ................................... 111
Immobiliser .............................. 111
Exterior light ............................ 111
High beam ............................... 111
High beam assist .....................111
LED headlights ........................ 111
Fog light ................................... 111Rear fog light........................... 112
Cruise control .......................... 112
Adaptive cruise control ............112
Vehicle detected ahead ...........112
Pedestrian detection ................112
Speed limiter ........................... 112
Traffic sign assistant ................112
Door open ................................ 112
Information displays ...................113
Driver Information Centre ........113
Info display .............................. 120
Head-up display ......................122
Vehicle messages ......................124
Warning chimes .......................125
Battery voltage ........................ 125
Vehicle personalisation ..............126
Telematics service .....................130
OnStar ..................................... 130
92Instruments and controlsActivation or deactivation of this
function can be changed in the menu Settings in the Info-Display.
Vehicle personalisation 3 126.
Rear window washer
Push lever.
Washer fluid is sprayed onto the rear
window and the wiper wipes a few
times.
The rear window washer system is
deactivated when the fluid level is
low.
Washer fluid 3 243.
Outside temperature
A drop in temperature is indicated
immediately and a rise in temperature
after a time delay.
Illustration shows an example.
If outside temperature drops to 3 °C,
a warning message is displayed in the Driver Information Centre.
9 Warning
The road surface may already be
icy even though the display
indicates a few degrees above
0 °C.
Clock
Date and time are shown in the
Info-Display.
Info-Display 3 120.
94Instruments and controlsNote
If date information is automatically
provided, this menu item is not
available.
Select Auto Set at the bottom of the
screen. Activate either On - RDS or
Off - Manual .
If Off - Manual is selected, adjust the
date by touching n or o.
Clock display
Select Clock Display to enter the
respective submenu.
To turn off the digital clock display in
the menus, select Off.Power outlets
A 12 Volt power outlet is located in the
centre console.
Sports Tourer, Country Tourer: A
12 Volt power outlet is located at the
left sidewall in the load compartment.
Do not exceed the maximum power
consumption of 120 watts.
With ignition off, the power outlet is
deactivated. Additionally, the power outlet is deactivated in the event of
low vehicle battery voltage.
Electrical accessories that are
connected must comply with the
electromagnetic compatibility
requirements laid down in
DIN VDE 40 839.
Do not connect any current-delivering
accessories, e.g. electrical charging
devices or batteries.
Do not damage the outlets by using
unsuitable plugs.
Stop-start system 3 166.
Climate control149Climate controlClimate control systems.............149
Air conditioning system ...........149
Electronic climate control system .................................... 152
Auxiliary heater ........................158
Air vents ..................................... 158
Adjustable air vents .................158
Fixed air vents ......................... 159
Maintenance .............................. 159
Air intake ................................. 159
Air conditioning regular operation ................................ 160
Service .................................... 160Climate control systems
Air conditioning system
Illustration shows functions which
may not be available for your
particular vehicle.
Controls for: ● Fan speed E
● Temperature TEMP
● Air distribution w, x and y
● Air conditioning A/C
● Demisting and defrosting á
● Air recirculation n
● External air 5
● Heated rear window and exterior
mirrors b
● Heated windscreen ,
● Heated seats ß
Some changes of settings are
indicated briefly in the Info-Display.
Activated functions are indicated by
the LED in the respective button.
Fan speed E
Adjust the air flow by turning Z to the
desired speed.clockwise:increaseanti-clockwise:decrease
Temperature TEMP
Adjust the temperature by turningTEMP to the desired temperature.
red area:warmerblue area:colder
Heating will not be fully effective until
the engine has reached normal
operating temperature.
Driving and operating1731. Continuously drive the vehiclefor 10 minutes making sure that
vehicle speed is always higher
than 20 km/h.
2. If AdBlue refill is detected successfully, AdBlue supply-
driven limitations will disappear.
If AdBlue refill is still not detected,
seek the assistance of a workshop.
If AdBlue must be refilled at
temperatures below -11 °C, the
refilling of AdBlue may not be
detected by the system. In this
event, park the vehicle in a space
with a higher ambient temperature
until AdBlue is liquefied.
Note
When unscrewing the protective cap
from the filler neck, ammonia fumes
may emerge. Do not inhale as the fumes have a pungent smell. The
fumes are not harmful by inhalation.
The AdBlue tank should be filled
completely. This must be done if the
warning message regarding
prevention of an engine restart is
already displayed.The vehicle must be parked on a level surface.
The filler neck for AdBlue is located
behind the fuel filler flap, which is located at right rear side of the
vehicle.
The fuel filler flap can only be opened
if the vehicle is unlocked.
1. Remove key from ignition switch.
2. Close all doors to avoid ammonia fumes entering the interior of the
vehicle.
3. Release the fuel filler flap by pushing the flap 3 232.
4. Unscrew protective cap from the
filler neck.
5. Open AdBlue canister.
6. Mount one end of the hose on the
canister and screw the other end
on the filler neck.
7. Lift the canister until it is empty, or
until the flow from the canister has stopped. This can take up to
five minutes.
8. Place the canister on the ground to empty the hose, wait
15 seconds.
9. Unscrew the hose from the filler neck.
10. Mount the protective cap and turn
clockwise until it engages.
Note
Dispose of AdBlue canister
according to environmental
requirements. Hose can be reused
after flushing with clear water before
AdBlue dries out.
Vehicle care247
Low beam (1) outer bulb.
High beam ( 2) inner bulb.
Low beam (1)
1. Rotate the cap anticlockwise and remove it.
2. Disengage bulb holder bypressing the retainer to the front.
Withdraw the bulb holder from the
reflector housing.
3. Detach the bulb from the bulb holder and replace the bulb.
4. Insert the bulb holder.
5. Fit the cap and rotate clockwise.
248Vehicle careHigh beam (2)
1. Rotate the cap anticlockwise andremove it.
2. Disengage bulb holder bypressing the retainer to the front.
Withdraw the bulb holder from the
reflector housing.
3. Detach the bulb from the bulb holder and replace the bulb.
4. Insert the bulb holder.
5. Fit the cap and rotate clockwise.
Front turn signal light
In case of defective LEDs, have them replaced by a workshop.
Side light
In case of defective LEDs, have them
replaced by a workshop.
Daytime running light
In case of defective LEDs, have them
replaced by a workshop.
LED headlights
Headlights for low and high beam,
sidelights, daytime running lights and turn signal lights are designed as
LEDs and cannot be changed.
Have lights repaired by a workshop in
case of failure.
Fog lights 1. Grand Sport, Sports Tourer
250Vehicle care4. Turn the bulb socketanticlockwise and remove it from
the light assembly.
5. Disengage the plug connector by pressing the retaining lug.
6. Remove and replace the bulb unit
and attach the plug connector.
Note that the bulb and the socket
are one unit and have to be
changed together.
7. Insert the bulb socket into the light
assembly by turning clockwise
and engage.
8. Mount the light assembly by tightening the three screws.
9. Attach the faceplate and tightenthe screw.
10. Grand Sport, Sports Tourer
Attach and engage the cover.
Tail lights Tail lights and brake lights are
designed as LEDs. In case of failure,
have LEDs replaced by a workshop.
Turn signal lights, rear fog lights and
reverse lights are designed for bulbs
and can be changed as follows.
Grand Sport
Light assembly in the body1. Remove the cover on the respective side.
2. Unscrew the two plastic securing nuts from the inside by hand.