Page 18 of 329
16In briefHorn
Press j.
Washer and wiper systems
Windscreen wiper2=fast1=slowP=interval wiping or automaticwiping with rain sensor§=off
For a single wipe when the
windscreen wiper is off, press the
lever down.
Windscreen wiper 3 102, Wiper
blade replacement 3 228.
Windscreen and headlight
washer
Pull lever.
Windscreen and headlight washer
system 3 102, Washer fluid 3 226.
Page 19 of 329
In brief17
Rear window wiper
Press the rocker switch to activate the
rear window wiper:
upper
switch=continuous
operationlower switch=intermittent
operationmiddle posi‐
tion=offRear window washer
Push lever.
Washer fluid is sprayed on the rear
window and the wiper wipes a few
times.
Rear window wiper/washer 3 104.
Climate control
Heated rear window, heated
exterior mirrors
The heating is operated by pressing
the Ü button.
Heated rear window 3 35.
Page 105 of 329
Instruments and controls103
Adjustable sensitivity of the rain
sensor
Turn the adjuster wheel to adjust the
sensitivity:
low
sensi‐
tivity=turn adjuster wheel
downwardshigh
sensi‐
tivity=turn adjuster wheel
upwards
Keep the sensor free from dust, dirt
and ice.
Windscreen and headlight
washer
Pull lever. Washer fluid is sprayed
onto the windscreen and the wiper
wipes a few times.
If the headlights are on, washer fluid is also sprayed onto the headlights,
provided that the lever is pulled
sufficiently long. Afterwards the
headlight washer system is
inoperable for 5 wash cycles or until
engine or headlights have been
switched off and on again.
Page 106 of 329
104Instruments and controlsRear 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 3 132.
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.
Page 121 of 329

Instruments and controls119Fog light> illuminates green.
The front fog lights are on 3 145.
Rear fog light r illuminates yellow.
The rear fog light is on 3 146.
Low washer fluid G illuminates yellow.
The washer fluid level is low.
Washer fluid 3 226.
Cruise control m illuminates white or green.
Illuminates white
The system is on.
Illuminates green
Cruise control is active.
Cruise control 3 179.Adaptive cruise control
m illuminates white or green.
Illuminates white
The system is on.
Illuminates green
Adaptive cruise control is active.
Adaptive cruise control 3 182.
Vehicle detected ahead
A illuminates green.
A vehicle ahead is detected in the
same lane.
Adaptive cruise control 3 182,
Forward collision alert 3 189.
Door open h illuminates red.
A door or the tailgate is open.Information displays
Driver Information Centre The Driver Information Centre (DIC)
is located in the instrument cluster
between speedometer and
tachometer. It is available as
Midlevel-Display, Uplevel-Display or
Uplevel-Combi-Display.
Midlevel-Display indicates:
■ overall odometer
■ trip odometer
■ some control indicators
■ vehicle information
Page 130 of 329

128Instruments and controls
No.Vehicle message68Service power steering69Service suspension system70Service level control system71Service rear axle74Service AFL75Service air conditioning76Service side blind zone alert
system77Service lane departure warning79Top up engine oil81Service transmission82Change engine oil soon83Service adaptive cruise control84Engine power is reduced89Service vehicle soon94Shift to park before exiting95Service airbagNo.Vehicle message128Bonnet open134Park assist fault, clean bumper136Service parking assist145Check washer fluid level174Low vehicle battery258Park assist off
Vehicle messages on the
Uplevel-Display or Uplevel- Combi-Display
The vehicle messages are displayed
as text. Follow the instructions given
in the messages.
The system displays messages
regarding the following topics:
■ Fluid levels
■ Anti-theft alarm system
■ Brakes
■ Drive systems
■ Ride control systems
■ Cruise control
■ Object detection systems
■ Lighting, bulb replacement
■ Wiper/washer system
■ Doors, windows
■ Radio remote control
■ Seat belts
■ Airbag systems
■ Engine and transmission
■ Tyre pressure
■ Diesel particle filter
■ Vehicle battery status
Page 223 of 329

Vehicle care221Vehicle careGeneral Information...................221
Vehicle checks ........................... 222
Bulb replacement .......................229
Electrical system ........................249
Vehicle tools .............................. 255
Wheels and tyres .......................257
Jump starting ............................. 274
Towing ....................................... 275
Appearance care .......................277General Information
Accessories and vehicle
modifications
We recommend the use of genuine parts and accessories and factory
approved parts specific for your
vehicle type. We cannot assess or
guarantee reliability of other products
- even if they have a regulatory or
otherwise granted approval.
Do not make any modifications to the electrical system, e.g. changes of
electronic control units (chip tuning).Caution
When transporting the vehicle on
a train or on a recovery vehicle, the
mud flaps might be damaged.
Vehicle storage
Storage for a long period of time
If the vehicle is to be stored for several months:
■ Wash and wax the vehicle.
■ Have the wax in the engine compartment and underbody
checked.
■ Clean and preserve the rubber seals.
■ Fill up fuel tank completely.
■ Change the engine oil.
■ Drain the washer fluid reservoir.
■ Check the coolant antifreeze and corrosion protection.
■ Adjust tyre pressure to the value specified for full load.
■ Park the vehicle in a dry, well ventilated place. Engage first orreverse gear or set selector lever to P . Prevent the vehicle from rolling.
■ Do not apply the parking brake.
Page 224 of 329

222Vehicle care
■ Open the bonnet, close all doorsand lock the vehicle.
■ Disconnect the clamp from the negative terminal of the vehicle
battery. Beware that all systems are not functional, e.g. anti-theft alarm
system.
Putting back into operation When the vehicle is to be put back into
operation:
■ Connect the clamp to the negative terminal of the vehicle battery.
Activate the electronics of the
power windows.
■ Check tyre pressure.
■ Fill up the washer fluid reservoir.
■ Check the engine oil level.
■ Check the coolant level.
■ Fit the number plate if necessary.
End-of-life vehicle
recovery
Information on end-of-life vehicle
recovery centres and the recycling of
end-of-life vehicles is available on ourwebsite, where legally required. Only
entrust this work to an authorised
recycling centre.
Gas vehicles must be recycled by a
service centre authorised for gas
vehicles.Vehicle checks
Performing work9 Warning
Only perform engine compartment
checks when the ignition is off.
The cooling fan may start
operating even if the ignition is off.