Page 22 of 219

20Keys, doors and windowsRadio remote control
Used to operate:■ Central locking system
■ Anti-theft alarm system
The radio remote control has a range of approx. 30 metres. It can be
restricted by external influences. The
hazard warning flashers confirm
operation.
Handle with care, protect from
moisture and high temperatures and
avoid unnecessary operation.
Fault
If the central locking system cannot
be operated with the radio remote
control, it may be due to the following:
■ Range exceeded
■ Battery voltage too low
■ Frequent, repeated operation of the
radio remote control while not in
range, which will require re-
synchronisation
■ Overload of the central locking system by operating at frequent
intervals, the power supply is
interrupted for a short time
■ Interference from higher-power radio waves from other sources
Unlocking 3 21.
Basic settings
Some settings can be changed in the menu Settings in the Info-Display.
Vehicle personalisation 3 99.
Radio remote control battery
replacement
Replace the battery as soon as the
range reduces.
Batteries do not belong in household
waste. They must be disposed of at
an appropriate recycling collection
point.
Key with foldaway key section
Page 77 of 219
Instruments and controls75
Windscreen washer
Pull lever. Washer fluid is sprayed
onto the windscreen and the wiper
wipes a few times.
Rear window wiper/washer
Press the rocker switch to activate the
rear window wiper:
upper posi‐
tion=continuous
operationlower posi‐
tion=intermittent
operationmiddle posi‐
tion=off
Push lever. Washer fluid is sprayed
onto the rear window and the wiper
wipes a few times.
Do not use if the rear window is
frozen.
Switch off in car washes.
The rear window wiper comes on
automatically when the windscreen
wiper is switched on and reverse gear
is engaged.
Activation or deactivation of this
function can be changed in the menu Settings in the Info-Display.
Vehicle personalisation 3 99.
Page 78 of 219
76Instruments and controls
The rear window washer system is
deactivated when the fluid level is
low.
Outside temperature
A drop in temperature is indicated
immediately and a rise in temperature
after a time delay.
If outside temperature drops to
0.5 °C, a warning message is
displayed in the Driver Information
Centre with Uplevel-Combi-Display.
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.
Set date and time CD 400
Press the CONFIG button. The menu
Settings is displayed.
Select Time Date .
Selectable setting options:
■ Set time: : Changes the time shown
on the display.
■ Set date: : Changes the date shown
on the display.
■ Set time format : Changes
indication of hours between 12 h
and 24 h .
■ Set date format : Changes
indication of date between MM/DD/
YYYY and DD.MM.YYYY .
Page 83 of 219

Instruments and controls81Caution
If engine coolant temperature is
too high, stop vehicle, switch off
engine. Danger to engine. Check
coolant level.
Service display
The engine oil life system lets you
know when to change the engine oil
and filter. Based on driving
conditions, the interval at which an
engine oil and filter change will be
indicated can vary considerably.
In the Uplevel-Combi-Display, the
remaining oil life duration is displayed
in the Vehicle Information Menu .
In the Midlevel-Display, the remaining engine oil life duration is displayed by
the control indicator I, therefore the
ignition must be switched on, with the
engine off.
The menu and function can be
selected via the buttons on the turn
signal lever.
To display the remaining engine oil life duration:
Press the MENU button to select the
Vehicle Information Menu .
Turn the adjuster wheel to select
Remaining Oil Life .
The system must be reset every time
the engine oil is changed to ensure
proper functionality. Seek the
assistance of a workshop.
Press the SET/CLR button to reset.
Therefore the ignition must be
switched on, with the engine off.
When the system has calculated that
engine oil life has been diminished,
Change Engine Oil Soon or a warning
code appears in the Driver
Information Centre. Have engine oil
and filter changed by a workshop
within one week or 300 miles
(whichever occurs first).
Driver Information Centre 3 89.
Service information 3 194.
Control indicators The control indicators described are
not present in all vehicles. The
description applies to all instrument
versions. Depending on the
equipment, the position of the control
indicators may vary. When the
Page 101 of 219

Instruments and controls99
Route guidanceAdditional to the navigation
information in the Colour-Info-
Display, route guidance is displayed in the Driver Information Centre.Vehicle personalisation
The vehicle can be personalised by
changing the settings in the
Infotainment system.
Depending on vehicle equipment
some of the functions described
below may not be available.
Settings in the
Graphic-Info-Display
CD 400
Press the CONFIG button for the
Settings menu.Press the CONFIG button, when
ignition is on and Infotainment system is activated.
Setting menus is displayed.
To switch the setting menus, turn the
MENU knob.
To select the setting menus, press the
MENU button.
To close or back to previous, press
the BACK button.
The following settings can be
selected:
■ Languages
■ Time Date
■ Radio settings
■ Bluetooth settings
■ Vehicle settings
In the corresponding submenus the
following settings can be changed:
Languages
Selection of the desired language.
Time Date
See Clock 3 76.
Page 103 of 219

Instruments and controls101
■Languages
■ Time and Date
■ Radio Settings
■ Phone Settings
■ Navigation Settings
■ Display Settings
■ Vehicle Settings
In the corresponding submenus the
following settings can be changed:
Languages
Selection of the desired language.
Time and Date
See Infotainment system manual for
further information.
Radio Settings
See Infotainment system manual for
further information.
Phone Settings
See Infotainment system manual for
further information.
Navigation Settings
See Infotainment system manual for
further information.
Display Settings ■ Home Page Menu :
See Infotainment system manual
for further information.
■ Rear Camera Options :
Press to adjust the rear camera
options 3 139.■ Display Off :
See Infotainment system manual for further information.
■ Map Settings :
See Infotainment system manual
for further information.
Vehicle Settings ■ Climate and Air Quality
Auto Fan Speed : Modifies the fan
regulation. Changed setting will be
active after switching the ignition off
and on again.
Air Conditioning Mode : Activates or
deactivates cooling when switching
on the ignition or uses the last
chosen setting.
Auto Demist : Activates or
deactivates auto demist.
Auto Rear Demist : Activates the
heated rear window automatically.
■ Comfort and Convenience
Chime Volume : Changes the
volume of warning chimes.
Page 113 of 219

Lighting111Lighting featuresEntry lighting
Welcome lighting Following lights are switched on for a
short time by unlocking the vehicle
with the radio remote control:
■ low beam,
■ sidelights,
■ tail lights,
■ number plate lights,
■ instrument panel light,
■ interior lights.
This function works only in the dark
and facilitates locating the vehicle.
Activation or deactivation of this
function can be changed in the menu Settings in the Info-Display. Vehicle
personalisation 3 99.
The following lights will additionally
switch on when driver's door is
opened:
■ some switches,
■ some interior lights.Exit lighting
Low beam, sidelights and tail lights
illuminate the surrounding area for an adjustable time after leaving the
vehicle.
Switching on
Activation, deactivation and duration
of lighting of this function can be
changed in the Vehicle Settings.
Vehicle personalisation 3 99.
1. Switch off ignition.
2. Remove ignition key.
3. Open driver's door.
4. Pull turn signal lever.
5. Close driver's door.
If the driver's door is not closed the
lights switch off after a few seconds.
The lighting is switched off
immediately if the turn signal lever is pulled while the driver's door is open.
Battery discharge
protection To prevent discharge of the batterywhen the ignition is switched off,
some interior lights are switched off
automatically after some time.
Page 143 of 219

Driving and operating141
Deactivation
The camera is deactivated when a certain forward speed is exceeded or
if reverse gear is not engaged for
approx. 10 seconds.
Activation or deactivation of the rear
view camera can be changed in the menu Settings in the Info-Display.
Vehicle personalisation 3 99.
Fault Fault messages are displayed with a9 on the top line of the Info-Display.
The rear view camera may not
operate properly when:
■ the surrounding is dark,
■ the sun or the beam of headlights is
shining directly into the camera
lens,
■ ice, snow, mud, or anything else covers the camera lens. Clean the
lens, rinse it with water, and wipe it
with a soft cloth,
■ the tailgate is not closed correctly,
■ the vehicle had a rear end accident,
■ there are extreme temperature changes.Traffic sign assistant
Functionality
The traffic sign assistant system
detects designated traffic signs via a
front camera and displays them in the
Driver Information Centre.
Traffic signs, which will be detected,
are:
Limit and no passing signs ■ speed limit
■ no passing
■ end of speed limit
■ end of no passingRoad signs
Beginning and end of:
■ motorways
■ A-roads
■ play streetsAdd on signs ■ additional hints to traffic signs
■ restriction of trailer towing
■ wet warning
■ ice warning
■ direction arrows
Speed limit signs are displayed in the
Driver Information Centre until the
next speed limit sign or end of speed
limit is detected or up to a defined sign timeout.