Checking the tyre pressure electronically
Requirements:
The ignition is switched on.
Press the 
button to call up the list of menus.
button to call up the list of menus. Press the 
or 
button to select Service.
or button to select Service. Press the 
button.
button. Press the or button to select Tyre pressure.
or button to select Tyre pressure. Press the button.
button. The display shows the current tyre pressure of each wheel.
If the vehicle was parked for longer than 20 minutes, the Tyre pressures will be displayed after a few minutes of driving message appears in the display.
Also be sure to observe the notes on tyre pressure More.
Filling up the windscreen washer system
WARNING Risk of burns when opening the bonnet
If you open the bonnet in the event of an overheated drive system or fire in the engine compartment, the following situations may occur:
you may come into contact with hot gases.
you may come into contact with other escaping hot operating fluids.
Before opening the bonnet, allow the components to cool down.
In the event of a fire in the engine compartment, keep the bonnet closed and call the fire service.
WARNING Risk of injury due to moving parts
Components in the engine compartment may continue running or start up suddenly, even if the ignition is switched off.
Make sure of the following before performing tasks in the engine compartment:
Switch the ignition off.
Never reach into the danger zone surrounding moving components, e.g. the rotation area of the fan.
Remove jewellery and watches.
Keep items of clothing and hair away from moving parts.
WARNING Risk of fire and injury from windscreen washer concentrate
Windscreen washer concentrate is highly flammable.
Avoid fire, naked flames, smoking and the creation of sparks when using windscreen washer concentrate.
WARNING Risk of burns from hot components in the engine compartment
Certain components in the engine compartment can be very hot, e.g. the drive system and the cooler.
Allow the drive system to cool down and touch only the components described below.
NOTE Damage to the exterior lighting due to unsuitable windscreen washer fluid
Unsuitable windscreen washer fluids may damage the plastic surface of the exterior lighting.
Only use windscreen washer fluids that are also suitable for use on plastic surfaces, e.g. MB SummerFit or MB WinterFit.
Topping up the washer fluid
Washer fluid reservoir (example)
Observe the notes on windscreen washer fluid More.
Pull cap 
upwards by the tab.
upwards by the tab. Top up the washer fluid.
Push cap onto the filler opening until it audibly engages.
onto the filler opening until it audibly engages. Replacing the windscreen wiper blades
WARNING Risk of becoming trapped if the windscreen wipers are switched on while wiper blades are being replaced
If the windscreen wipers begin to move while you are changing the wiper blades, you can be trapped by the wiper arm.
Always switch off the windscreen wipers and ignition before changing the wiper blades.
NOTE Damage to the windscreen or rear window during wiper blade replacement
If the wiper arm on the windscreen or rear window is folded back before a wiper blade has been fitted, the window may be damaged by the force of the impact.
Never fold the wiper arm on the windscreen or rear window back until a wiper blade has been fitted. Keep hold of the wiper arm when replacing a wiper blade.
NOTE Damage to bonnet or windscreen wipers when opening the bonnet
If the windscreen wipers have been folded back from the windscreen when the bonnet is opened, the windscreen wipers or the bonnet may be damaged.
Ensure that the windscreen wipers have not been folded back from the windscreen.
Removing the wiper blades
Fold the wiper arms away from the windscreen.
Hold the wiper arm with one hand. With the other hand, turn the wiper blade in the direction of arrow away from the wiper arm as far as it will go.
away from the wiper arm as far as it will go. Slide catch 
in the direction of arrow 
until it engages in the removal position.
in the direction of arrow until it engages in the removal position. Remove the wiper blade from the wiper arm in the direction of arrow 
.
. Fitting the wiper blades
Insert the new wiper blade into the wiper arm in the direction of arrow .
. Slide catch in the direction of arrow until it engages in the locking position.
in the direction of arrow until it engages in the locking position. Make sure that the wiper blade is seated correctly.
Fold the wiper arms back onto the windscreen.
Maintenance display
Remove protective film from the maintenance displays on the tips of the newly fitted wiper blades.
from the maintenance displays on the tips of the newly fitted wiper blades. If the colour of the maintenance display changes from black to yellow, the wiper blades should be replaced.
The time until the colour changes varies depending on the usage conditions.
Notes on washing the vehicle in an automatic car wash
WARNING Risk of an accident due to reduced braking power after washing the vehicle
Braking efficiency is reduced after washing the vehicle.
After the vehicle has been washed, brake carefully while paying attention to the traffic conditions until braking power has been fully restored.
NOTE Damage to the vehicle due to automatic braking
When the following functions are activated, the vehicle brakes automatically in certain situations:
Active Brake Assist
Active Distance Assist DISTRONIC
HOLD function
To avoid damage to the vehicle, deactivate these systems in the following or similar situations:
when towing
in a car wash
NOTE Damage due to unsuitable car wash
Before driving into a car wash make sure that the car wash is suitable for the vehicle dimensions.
Ensure there is sufficient ground clearance between the underbody and the guide rails of the car wash.
Ensure that the clearance width of the car wash, in particular the width of the guide rails, is sufficient.
To avoid damage to your vehicle, observe the following before using an automatic car wash:
Active Brake Assist is deactivated.
Active Distance Assist DISTRONIC is deactivated.
The HOLD function is switched off.
The side windows and roof are completely closed.
The outside mirrors are folded in and an additional antenna is removed, if present.
The climate control blower is switched off.
The windscreen wiper switch is in position
.
If the vehicle is very dirty, wash off excess dirt before cleaning the vehicle in an automatic car wash.
After leaving the car wash, pay attention to the following:
The outside mirrors are fully folded out again and an additional antenna is mounted again, if present.
Remove wax residues on the windscreen and wiper rubbers to prevent smearing and reduce wiper noise.
Remove wax residues from the camera lens in vehicles with a reversing camera More.