Page 92 of 311

90Instruments and controlsInstruments and
controlsControls ....................................... 91
Steering wheel adjustment ........91
Steering wheel controls .............91
Heated steering wheel ...............92
Horn ........................................... 92
Windscreen wiper/washer .........92
Rear window wiper/washer .......94
Outside temperature ..................95
Clock ......................................... 95
Power outlets ............................. 97
Power connector .......................98
Ashtrays .................................... 99
Warning lights, gauges and indi‐ cators ......................................... 101
Instrument cluster ....................101
Speedometer ........................... 104
Odometer ................................ 105
Trip odometer .......................... 105
Tachometer ............................. 106
Fuel gauge .............................. 106
Fuel selector ............................ 106
Engine coolant temperature gauge ..................................... 107
Service display ........................ 108Control indicators ....................109
Turn signal ............................... 109
Seat belt reminder ...................109
Airbag and belt tensioners .......110
Airbag deactivation ..................110
Charging system .....................111
Malfunction indicator light ........111
Brake and clutch system .........111
Electric parking brake ..............111
Electric parking brake fault ......111
Antilock brake system (ABS) ...112
Gear shifting ............................ 112
Following distance ...................112
Lane keep assist .....................112
Electronic Stability Control off . 112
Electronic Stability Control and Traction Control system .........112
Traction Control system off .....113
Preheating ............................... 113
Tyre pressure monitoring system .................................... 113
Engine oil pressure ..................113
Low fuel ................................... 113
Immobiliser .............................. 114
Exterior light ............................ 114
High beam ............................... 114
High beam assist .....................114
LED headlights ........................ 114
Fog light ................................... 114
Rear fog light ........................... 114Cruise control.......................... 114
Adaptive cruise control ............114
Vehicle detected ahead ...........115
Speed limiter ........................... 115
Traffic sign assistant ................115
Door open ................................ 115
Information displays ...................115
Driver Information Centre ........115
Info display .............................. 121
Vehicle messages ......................123
Warning chimes .......................124
Battery voltage ........................ 124
Vehicle personalisation ..............125
Telematics service .....................131
OnStar ..................................... 131
Page 97 of 311
Instruments and controls95Activation or deactivation of this
function can be changed in the menu Settings in the Info-Display.
Vehicle personalisation 3 125.
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 3 232.
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 3 121.
Page 99 of 311

Instruments and controls978'' Colour-Info-Display
Press ; and then select the
Settings icon.
Select Time and Date .
Set time
Select Set Time to enter the
respective submenu.
Select Auto Set at the bottom of the
screen. Activate either On - RDS or
Off - Manual .
If Off - Manual is selected, adjust
hours and minutes by touching n or
o .
Touch 12-24 Hr on the right side of the
screen to select a time mode.
If 12-hour mode is selected, a third
column for AM and PM setting is
displayed. Select the desired option.
Set date
Select Set Date to enter the
respective submenu.
Note
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.
Page 221 of 311

Driving and operating2199Danger
Before refuelling, switch off
ignition and any external heaters
with combustion chambers.
Follow the operating and safety
instructions of the filling station
when refuelling.
9 Danger
Fuel is flammable and explosive.
No smoking. No naked flames or
sparks.
If you can smell fuel in your
vehicle, have the cause of this
remedied immediately by a
workshop.
Caution
In case of misfuelling, do not
switch on ignition.
Fuel filler flap is located at right rear
side of the vehicle.
The fuel filler flap can only be opened
if the vehicle is unlocked. Release the
fuel filler flap by pushing the flap.
Petrol and Diesel refuelling To open, turn the cap slowly
anticlockwise.The fuel filler cap can be retained in
the bracket on the fuel filler flap.
To refuel, fully insert the pump nozzle
and switch it on.
After the automatic cut-off, the tank can be topped up by operating the
pump nozzle a maximum of two more
times.
Caution
Wipe off any overflowing fuel
immediately.
To close, turn the fuel filler cap
clockwise until it clicks.
Page 226 of 311
224Driving and operatingChecking the tensioning of the
coupling ball bar
● Red marking on rotary knob must
point towards green marking on
coupling ball bar.
● The gap between the rotary knob
and the coupling ball bar must be approx. 6 mm.
● The key must be in position c.
Otherwise, the coupling ball bar must be tensioned before being inserted:
● Unlock coupling ball bar by turning key to position c.
● Pull out rotary knob and turn
clockwise as far as it will go.
Inserting the coupling ball bar
Insert the tensioned coupling ball bar
in the opening and push firmly
upwards until it audibly engages.
The rotary handle snaps back into its
original position resting against the
coupling ball bar without a gap.9 Warning
Do not touch rotary handle during
insertion.
Lock the coupling ball bar by turning
the key to position e. Remove the key
and close the protective flap.
Eye for break-away stopping cable
Page 227 of 311
Driving and operating225Attach breakaway stopping cable to
eye.
Check that the coupling ball bar is
correctly installed
● Green marking on rotary knob must point towards green
marking on coupling ball bar.
● There must be no gap between the rotary handle and the
coupling ball bar.
● The coupling ball bar must be firmly engaged in the opening.
● The coupling ball bar must be locked and the key removed.9Warning
Towing a trailer is permitted only
when a coupling ball bar is fitted correctly. If the coupling ball bardoes not engage correctly, seekthe assistance of a workshop.
Dismounting the coupling ball bar
Open the protective flap and turn the
key to position c to unlock the
coupling ball bar.
Pull out rotary handle and turn
clockwise as far as it will go. Pull out coupling ball bar downwards.
Insert sealing plug in opening.
Fold away connecting socket.
On Sports Tourer insert cover into
rear bumper as shown in the
illustration.
Page 238 of 311
236Vehicle care
Low beam (1) outer bulb.
High beam ( 2) inner bulb.
Low beam (1)
1. Rotate the cap anticlockwise and remove it.
2. Disengage spring clip fromretainer by pulling. 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, engaging the two lugs into the reflector
housing and rotate clockwise to
secure.
5. Push spring clip back in place. 6. Fit the cap and rotate clockwise.
Page 239 of 311
Vehicle care237High beam (2)
1. Rotate the cap anticlockwise andremove it.
2. Disengage spring clip fromretainer by moving it forward and
to the side. Swivel spring clip
downwards.
3. Withdraw the bulb holder from the
reflector housing.
4. Detach the bulb from the bulb holder and replace the bulb.
5. Insert the bulb holder and install spring clip.
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.
Fog lights
The bulbs are accessible from the
underside of the vehicle.
1. Turn the bulb holder anti- clockwise and remove it from the
reflector housing.