Page 16 of 247
14In briefWasher and wiper systems
Windscreen wiperHI=fastLO=slowINT=interval wiping or automatic
wiping with rain sensorOFF=off
For a single wipe when the
windscreen wiper is off, press the
lever down to position 1x.
Windscreen wiper 3 84, Wiper
blade replacement 3 176.
Windscreen washer
Pull lever.
Windscreen washer system 3 84,
Washer fluid 3 173.
Rear window wiper
Press the rocker switch to activate the
rear window wiper:
upper switch=continuous
operationlower switch=intermittent
operationmiddle position=off
Page 17 of 247
In brief15
Rear window washer
Push lever.
Washer fluid is sprayed on the rear
window and the wiper wipes a few
times.
Rear window wiper/washer 3 85.
Climate control
Heated rear window, heatedexterior mirrors
The heating is operated by pressing
Ü .
Heated rear window 3 32.
Demisting and defrosting the
windows
Press V.
Set the temperature control to the
highest level.
Heated rear window Ü on.
Climate control system 3 125.
Page 87 of 247
Instruments and controls85
Adjustable sensitivity of the rain
sensor
Turn the adjuster wheel to adjust the
sensitivity:
low sensitivity=turn adjuster
wheel downwardshigh sensitivity=turn adjuster
wheel upwards
Keep the sensor free from dust, dirt
and ice.
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 position=continuous
operationlower position=intermittent
operationmiddle position=off
Page 88 of 247
86Instruments and controls
Push lever. Washer fluid is sprayed
onto the rear window and the wiper
wipes a few times.
Do not use if the windscreen is frozen.
Switch off in car washes.
The rear window wiper comes on
automatically when the windscreen
wiper is operating and reverse gear is engaged.
Activation or deactivation of this
function can be changed in the
Settings menu in the Info-Display.
Vehicle personalisation 3 112.
Outside temperature
A drop in temperature is indicated
immediately and a rise in temperature
after a time delay.
If outside temperature drops to 3 °C, a warning message is displayed in the Driver Information Centre with
Uplevel-Display or
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.
Page 109 of 247

Instruments and controls107
No.Vehicle message69Service suspension system70Service level control system71Service rear axle74Service AFL75Service air conditioning76Service side blind zone alert
system79Top up engine oil81Service transmission82Change engine oil soon83Service adaptive cruise control84Engine power is reduced89Service vehicle soon94Shift to park before exiting95Service airbag128Bonnet open134Park assist fault, clean bumperNo.Vehicle message136Service parking assist174Low 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
Page 170 of 247

168Vehicle careVehicle careGeneral Information...................168
Vehicle checks ........................... 169
Bulb replacement .......................176
Electrical system ........................186
Vehicle tools .............................. 192
Wheels and tyres .......................193
Jump starting ............................. 210
Towing ....................................... 212
Appearance care .......................214General 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 171 of 247

Vehicle care169
■ 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 our website. 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.
Page 175 of 247

Vehicle care173Washer fluid
Fill with clean water mixed with a
suitable quantity of washer fluid which
contains antifreeze.
Caution
Only washer fluid with a sufficient
antifreeze concentration provides
protection at low temperatures or
a sudden drop in temperature.
Brakes
In the event of minimum thickness ofthe brake lining, a squealing noise
sounds during braking.
Continued driving is possible but
have the brake lining replaced as
soon as possible.
Once new brake linings are installed,
do not brake unnecessarily hard for
the first few journeys.
Brake fluid9 Warning
Brake fluid is poisonous and
corrosive. Avoid contact with eyes, skin, fabrics and painted surfaces.
The brake fluid level must be betweenthe MIN and the MAX marks.
When topping up, ensure maximum cleanliness as contamination of the
brake fluid can lead to brake system
malfunctions. Have the cause of the
loss of brake fluid remedied by a
workshop.
Only use high-performance brake
fluid approved for the vehicle.
Brake and clutch fluid 3 218.