Notes on regularly inspecting wheels and tyres
WARNING Risk of accident from damaged tyres
Damaged tyres can cause tyre pressure loss.
As a result, you could lose control of your vehicle.
Check the tyres regularly for signs of damage and replace any damaged tyres immediately.
Carry out the following checks on all wheels regularly, at least once a month or as required, e.g. prior to a long journey or driving off-road:
Check the tyre pressure More.
Visually inspect tyres and wheels for damage.
Check the valve caps.
The valves must be protected against moisture and dirt by the valve caps approved especially for your vehicle by Mercedes-Benz.
Visual check of the tyre tread depth and the tyre contact surface across the entire width.
The minimum tread depth for summer tyres is 3 mm and for winter tyres 4 mm.
Setting the speed limitation for winter tyres
Multimedia system:
Vehicle settings Select a speed or deactivate the function.
Notes on snow chains
WARNING Risk of accident due to incorrect snow chain fitting
If you have fitted snow chains to the front wheels, the snow chains may drag against the vehicle body or chassis components.
This could cause damage to the vehicle or the tyres.
Never fit snow chains on the front wheels.
Only fit snow chains on the rear wheels in pairs.
NOTEDamage to the wheel trim from fitted snow chains
If snow chains are fitted to steel wheels, the wheel trims can be damaged.
Remove the wheel trims of steel wheels before fitting snow chains.
Snow chains are only permissible for certain wheel/tyre combinations. You can obtain information about this from a Mercedes-Benz Service Centre.
For safety reasons, only use snow chains that have been specifically approved for your vehicle by Mercedes-Benz, or snow chains with the same quality standard.
If snow chains are fitted, the maximum permissible speed is 50 km/h.
Vehicles with Active Parking Assist: do not use Parking Assist PARKTRONIC when snow chains have been fitted.
Vehicles with AIR BODY CONTROL: if snow chains are fitted, only drive at raised vehicle level .
You can permanently limit the maximum vehicle speed for driving with winter tyres More.
You can deactivate ESP® to pull away More. This allows the wheels to spin, achieving an increased driving force.
Notes on windscreen washer fluid
Observe the notes on operating fluids More.
WARNING ‑ Risk of fire and injury due to windscreen washer concentrate
Windscreen washer concentrate is highly flammable. It could ignite if it comes into contact with hot engine component parts or the exhaust system.
Make sure that no windscreen washer concentrate spills out next to the filler opening.
NOTEBlocked spray nozzles caused by mixing windscreen washer fluids
Do not mix MB SummerFit and MB WinterFit with other windscreen washer fluids.
Do not use distilled or de-ionised water as the fill level sensor may be triggered erroneously.
Recommended windscreen washer fluid:
Above freezing point: e.g. MB SummerFit
Below freezing point: e.g. MB WinterFit
For the correct mixing ratio, refer to the information on the antifreeze container.
Mix the washer fluid with the windscreen washer fluid all year round.
Topping up the windscreen washer system
WARNING Danger of burns from hot component parts in the engine compartment
Certain component parts in the engine compartment may be very hot, e.g. the engine, the radiator and parts of the exhaust system.
Let the engine cool down and only touch the component parts described below:
WARNING Danger of burns when opening the bonnet
If you open the engine bonnet when the engine has overheated or during a fire in the engine compartment, you could come into contact with hot gases or other escaping operating fluids.
Before opening the bonnet, allow the engine to cool down.
In the event of a fire in the engine compartment, keep the engine bonnet closed and call the fire service.
WARNING ‑ Risk of fire and injury due to windscreen washer concentrate
Windscreen washer concentrate is highly flammable. It could ignite if it comes into contact with hot engine component parts or the exhaust system.
Make sure that no windscreen washer concentrate spills out next to the filler opening.
Remove cap 
by the tab, place on the edge of the filler opening and engage in place.
by the tab, place on the edge of the filler opening and engage in place. Top up the washer fluid.
Replacing the windscreen wiper blades (MAGIC VISION CONTROL)
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.
Moving the wiper arms into the change position
If the ignition has been switched off, switch it on first of all.
Switch off the ignition.
Within around 15 seconds, press button 
on the combination switch for around 3 seconds More.
on the combination switch for around 3 seconds More. The wiper arms move into the change position.
Removing the wiper blades
To bring the wiper blade into position to be removed:
hold the wiper arm firmly in one hand. With the other hand, turn the wiper blade in the direction of arrow beyond the point of resistance. The wiper blade engages in the removal position with a click.
To remove the wiper blade:
press release knob 
, pull the wiper blade in the direction of arrow 
and remove. Fitting the wiper blades
Push the new wiper blade onto the wiper arm in the direction of arrow until release knob engages.
until release knob engages. Press the wiper blade beyond the point of resistance in the direction of arrow on the wiper arm.
on the wiper arm. The wiper blade engages with a noticeable click and moves freely again.
Fold the wiper arm back onto the windscreen.
Switch the ignition on.
Press button on the combination switch More.
on the combination switch More. The wiper arms move into the original position.