Refuelling the vehicle
WARNING Risk of fire or explosion from fuel
Fuels are highly flammable.
Fire, naked flames, smoking and creation of sparks must be avoided.
Switch off the ignition and, if available, the stationary heater, before and while refuelling the vehicle.
WARNING Risk of injury from fuels
Fuels are poisonous and hazardous to your health.
Do not swallow fuel or let it come into contact with skin, eyes or clothing.
Do not inhale fuel vapour.
Keep children away from fuel.
Keep doors and windows closed during the refuelling process.
If you or other people come into contact with fuel, observe the following:
Immediately rinse fuel off your skin with soap and water.
If fuel comes into contact with your eyes, immediately rinse them thoroughly with clean water. Seek medical attention immediately.
If you swallow fuel, seek medical attention immediately. Do not induce vomiting.
Change immediately out of clothing that has come into contact with fuel.
WARNING Risk of fire or explosion from electrostatic charge
Electrostatic charge can create sparks and thereby ignite fuel vapours.
Before opening the fuel filler cap or taking hold of the pump nozzle, touch the metallic body of the vehicle.
This discharges any electrostatic charge that may have built up.
Do not get into the vehicle again during the refuelling process.
Otherwise, electrostatic charge could build up again.
WARNING Risk of fire from fuel mixture
Vehicles with a diesel engine:
If you mix diesel fuel with petrol, the flash point of the fuel mixture is lower than that of pure diesel fuel.
While the engine is running, component parts in the exhaust system may overheat without warning.
Never refuel using petrol.
Never mix petrol with diesel fuel.
NOTE Do not use petrol to refuel vehicles with a diesel engine.
If you accidentally refuel with the wrong fuel:
Do not switch the ignition on. Otherwise, fuel can enter the fuel system.
Even small amounts of the wrong fuel could result in damage to the fuel system and the engine. The repair costs are high.
Consult a qualified specialist workshop.
Have the fuel tank and fuel lines drained completely.
NOTE Damage to the fuel system caused by overfilled fuel tanks.
Only fill the fuel tank until the pump nozzle switches off.
NOTE Fuel may spray out when you remove the fuel pump nozzle.
Only fill the fuel tank until the pump nozzle switches off.
Note Damage to painted surfaces due to fuel
Do not spill any fuel on painted surfaces.
ENVIRONMENTAL NOTE Environmental damage due to improper handling of fuel
If fuels are handled improperly, they pose a danger to persons and the environment.
Do not allow fuels to run into the sewage system, the surface waters, the ground water or into the ground.
Requirements:
the vehicle is unlocked.
the auxiliary heating is deactivated.
the ignition is switched off
the front left-hand door is open.
Do not get back into the vehicle during the refuelling process. Otherwise, electrostatic charge could build up again.
Observe the notes on operating fluids More.
The fuel filler flap is beside the front left-hand door when viewed in the direction of travel. The position of the fuel filler cap is also shown in the 
instrument display. The arrow on the filling pump specifies the side of the vehicle.
Open fuel filler flap .
. Turn fuel filler cap anti-clockwise and remove it.
anti-clockwise and remove it. Close all vehicle doors to prevent fuel vapours from entering the vehicle interior.
Completely slide the filler neck of the pump nozzle into the tank, hook in place and refuel.
Fill the fuel tank only until the pump nozzle switches off.
Replace fuel filler cap and turn it clockwise.
and turn it clockwise. You will hear a click when the fuel filler cap is closed fully.
Open the front left-hand door.
Close fuel filler flap .
. Vehicles with a diesel engine and incorrect fuelling protector against refuelling with petrol: the filler neck is designed for refuelling at diesel filling pumps for passenger vehicles.
Vehicles with a diesel engine without incorrect fuelling protector: you can also refuel at a diesel filling pump for lorries.
If the fuel tank has been run completely dry, top up with at least 5 l of fuel.
Resetting values on the on-board computer trip menu
The spelling of the displayed main menu may differ. Therefore, pay attention to the menu overview for the instrument display More.
You can reset the values of the following functions:
Trip meter:
Reset trip meter?
Trip computer:
From start
From reset
ECO display
Select the function that is to be reset and confirm this selection.
Confirm the Reset values? prompt with Yes.
Checking the tyre pressure with the tyre pressure monitoring system
Requirements:
the ignition is switched on
One of the following displays appears:
the current tyre pressure and tyre temperature of the individual wheels
Instrument display with colour display
the current tyre pressure for each wheel
Instrument display with black and white display
Tyre pressures will be displayed after a few minutes of driving: the teach-in process of the system is not yet complete. The tyre pressures are already being monitored.
Compare the tyre pressure with the recommended tyre pressure for the current operating condition . Observe the notes on tyre temperature More.
The values displayed in the multifunction display may deviate from those of the tyre pressure gauge as they refer to sea level. At high altitudes, the tyre pressure values indicated by a pressure gauge are higher than those shown by the on-board computer. In this case, do not reduce the tyre pressures.
Make sure to observe the following further related subject:
Notes on tyre pressure More
Topping up AdBlue®
NOTE Engine damage due to AdBlue® being in the fuel
AdBlue® must not be used to fill the fuel tank.
Only use AdBlue® to fill the AdBlue® tank.
Do not overfill the AdBlue® tank.
NOTE Contamination of the vehicle interior due to AdBlue® leakage
After topping up, carefully close the AdBlue® refill container.
Avoid carrying AdBlue® refill containers permanently in the vehicle.
Requirements:
the ignition is switched off
Vehicles with passenger vehicle approval: the following messages that appear in succession in the multifunction display indicate that you need to refill the AdBlue® tank:
Refill AdBlue See Owner's Manual
The AdBlue® tank has dropped to the reserve level.
Top up AdBlue Perf. reduced in XXX miles
You will only be able to drive the vehicle the distance shown. Refill AdBlue® as quickly as possible.
Top up AdBlue Perf. reduced: 12 mph No start in XXX miles
Vehicle speed is limited to approximately 20 km/h. You will only be able to drive the vehicle the distance shown. Subsequently, it will no longer be possible to start the engine.
Refill AdBlue Start not possible
The vehicle can no longer be started.
Vehicles with commercial vehicle approval: the following messages that appear in succession in the multifunction display indicate that you need to refill the AdBlue® tank:
Refill AdBlue See Owner's Manual
The AdBlue® tank has dropped to the reserve level.
Top up AdBlue Power reduced
Top up AdBlue Performance reduced after eng. restart: 12 mph
The vehicle cannot be driven at a speed exceeding 20 km/h after engine restart.
Top up AdBlue Performance reduced: 12 mph
The vehicle cannot be driven at a speed exceeding 20 km/h.
You can also have the AdBlue® fill level and the AdBlue® range displayed More.
Opening the AdBlue® filler cap on filler caps that are not lockable
Open the bonnet.
Turn AdBlue® filler cap anti-clockwise and remove it.
anti-clockwise and remove it. Opening the AdBlue® filler cap on lockable filler caps
Open the bonnet.
Take tool 
for unlocking AdBlue® filler cap from the vehicle tool kit.
for unlocking AdBlue® filler cap from the vehicle tool kit. Pull cover 
on AdBlue® filler cap up, turn 90° and release.
on AdBlue® filler cap up, turn 90° and release. Insert tool in holes of AdBlue® filler cap .
in holes of AdBlue® filler cap . Turn AdBlue® filler cap anti-clockwise and remove it.
anti-clockwise and remove it. Preparing the AdBlue® refill canister
Variant 1
Variant 2
Unscrew the cap on AdBlue® refill canister .
. Screw disposable hose onto the opening of AdBlue® refill canister until hand-tight.
onto the opening of AdBlue® refill canister until hand-tight. Topping up AdBlue®
Variant 1
Variant 2
Screw disposable hose onto the filler neck of the vehicle until hand-tight.
onto the filler neck of the vehicle until hand-tight. Lift up and tip AdBlue® refill canister .
. The filling process stops when the AdBlue® tank is completely full.
AdBlue® refill canister can be removed when it has been only partially emptied.
Unscrew disposable hose and close AdBlue® refill canister in reverse order.
and close AdBlue® refill canister in reverse order. Switch on the ignition for at least 60 seconds.
start the vehicle.
Avoid storing AdBlue® containers permanently in the vehicle.
AdBlue® refill bottle
Only screw the AdBlue® refill bottle hand-tight onto the filler opening in the engine compartment. It may otherwise be damaged.
AdBlue® refill bottles can be obtained at many filling stations or at a qualified specialist workshop. Refill bottles without a threaded cap offer no overfill protection. AdBlue® may leak out as a result of overfilling. Mercedes-Benz offers special refill bottles with a threaded cap. These are available at any Mercedes-Benz Service Centre.
Unscrew the protective cap from AdBlue® refill bottle .
. Place AdBlue® refill bottle as shown on filler opening and screw it on clockwise until hand-tight.
as shown on filler opening and screw it on clockwise until hand-tight. Press AdBlue® refill bottle towards filler opening .
towards filler opening . The AdBlue® tank is filled. This could take up to one minute.
When the AdBlue® refill bottle is no longer pressed down, filling stops. The bottle can be removed when it has been only partially emptied.
Release AdBlue® refill bottle .
. Turn AdBlue® refill bottle anti-clockwise and remove it.
anti-clockwise and remove it. Screw the protective cap onto AdBlue® refill bottle again.
again. Filling procedure with the pump nozzle of an AdBlue® filling pump
Insert the pump nozzle into the filler neck and top up with AdBlue®. When doing so, do not overfill the AdBlue® tank.
Closing the AdBlue® filler cap on filler caps that are not lockable
After filling the AdBlue® tank, place AdBlue® filler cap on the filler neck and tighten it clockwise.
on the filler neck and tighten it clockwise. Turn the AdBlue® filler cap until the lettering is legible and horizontal.
The filler neck is only locked correctly when this is the case.
Close the bonnet.
Closing the AdBlue® filler cap on lockable filler caps
After filling the AdBlue® tank, place AdBlue® filler cap on the filler neck and tighten it clockwise.
on the filler neck and tighten it clockwise. Remove tool from AdBlue® filler cap and store it in the vehicle tool kit.
from AdBlue® filler cap and store it in the vehicle tool kit. Pull cover on AdBlue® filler cap up over holes of AdBlue® filler cap , turn and release.
on AdBlue® filler cap up over holes of AdBlue® filler cap , turn and release. Turn AdBlue® filler cap .
. If AdBlue® filler cap turns freely, the AdBlue® tank is closed.
Filling up the windscreen washer system
WARNING Risk of burns from hot component parts in the engine compartment
Certain components in the engine compartment can be very hot, e.g. the engine, the radiator and parts of the exhaust system.
Allow the engine to cool down and only touch component parts described in the following.
If you have to carry out any work in the engine compartment, touch only the following components:
bonnet
engine oil filler opening cap
washer fluid reservoir cap
coolant expansion reservoir cap
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.
Topping up the washer fluid
Washer fluid reservoir (example)
Pre-mix the washer fluid in the correct mixing ratio in a container.
Park the vehicle on a level surface and secure it against rolling away More.
Open the bonnet More.
Pull the cap of the washer fluid container upwards by the strap.
upwards by the strap. Pour in the pre-mixed washer fluid.
Press the cap onto the filler opening until it audibly engages.
onto the filler opening until it audibly engages. Close the bonnet More.
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.
WARNING Risk of injury from using the windscreen wipers while the engine bonnet is open
When the engine bonnet is open, and the windscreen wipers are set in motion, you can be trapped by the wiper linkage.
Always switch off the windscreen wipers and ignition before opening the engine bonnet.
If the wiper blades are worn out, they will not wipe the windscreen properly. Replace the wiper blades twice a year, preferably in spring and autumn.
Fold wiper arm away from the windscreen.
away from the windscreen. Hold wiper arm and turn the wiper blade away from wiper arm in the direction of the arrow as far as it will go.
and turn the wiper blade away from wiper arm in the direction of the arrow as far as it will go. Slide catch upwards in the direction of the arrow until it engages.
upwards in the direction of the arrow until it engages. Fold back the wiper blade onto the wiper arm.
Remove the wiper blade from wiper arm.
from wiper arm. Insert new washer blade in the holder on wiper arm .
in the holder on wiper arm . When doing so, take into account the different lengths of the wiper blades:
Driver's side: long wiper blade
Front passenger side: short wiper blade
Slide catch downwards until it engages.
downwards until it engages. Fold wiper arm back onto the windscreen.
back onto the windscreen. Replacing the windscreen wiper blades (WET WIPER SYSTEM)
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.
WARNING Risk of injury from using the windscreen wipers while the engine bonnet is open
When the engine bonnet is open, and the windscreen wipers are set in motion, you can be trapped by the wiper linkage.
Always switch off the windscreen wipers and ignition before opening the engine bonnet.
If the wiper blades are worn out, they will not wipe the windscreen properly. Replace the wiper blades twice a year, preferably in spring and autumn.
Fold wiper arm away from the windscreen.
away from the windscreen. Hold wiper arm and turn the wiper blade away from wiper arm in the direction of the arrow as far as it will go.
and turn the wiper blade away from wiper arm in the direction of the arrow as far as it will go. Slide catch upwards in the direction of the arrow until it engages.
upwards in the direction of the arrow until it engages. Remove wiper blade from the wiper arm in the direction of arrow .
from the wiper arm in the direction of arrow . Carefully remove hose 
from the wiper blade.
from the wiper blade. Attach hose to the new wiper blade.
to the new wiper blade. Insert new washer blade in the holder on wiper arm .
in the holder on wiper arm . When doing so, take into account the different lengths of the wiper blades:
Driver's side: long wiper blade
Front passenger side: short wiper blade
Slide catch downwards until it engages.
downwards until it engages. Fold back the wiper blade onto the wiper arm.
Fold wiper arm back onto the windscreen.
back onto the windscreen. Checking the engine oil level with an on-board computer
Requirements:
The vehicle is level during the measuring process.
The bonnet is not open.
Depending on the driving profile, the oil level can be displayed only after a driving time of up to 30 minutes and only when the ignition is switched on.
You will see one of the following messages in the multifunction display:
Engine oil level Measuring now: measurement of the oil level not yet possible. Repeat the query after driving a maximum of 30 minutes.
Engine oil level OK and the bar to display the oil level in the multifunction display is green and lies between "MIN" and "MAX": the oil level is OK.
Engine oil level Warm up the engine: warm up the engine to operating temperature.
Engine oil level Correct measurement only if vehicle is on level ground: park the vehicle on an even surface.
Engine oil level Add 1,0 l and the bar to display the oil level in the multifunction display is orange and lies below "MIN": add 1 l of engine oil.
Reduce engine oil level and the bar displaying the oil level in the multifunction display is orange and lies above "MAX": drain off excess engine oil.
Visit a qualified specialist workshop.
For engine oil level switch on ignition: switch on the ignition in order to check the engine oil level.
Engine oil level System inoperative: sensor is defective or not connected. Visit a qualified specialist workshop.
Engine oil level currently inoperative: close the bonnet.
Vehicles with cold oil level displays: the oil level is automatically displayed on the multifunction display after the vehicle has been non-operational for an extended period. If it is not possible to measure the engine oil level, a relevant message will appear.
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.
Make sure that the automatic car wash is suitable for the size of the vehicle.
Before washing the vehicle in an automatic car wash, fold in the outside mirrors and remove any additional aerials. Otherwise, the outside mirrors, aerial or the vehicle itself could be damaged.
Make sure any additional aerials are refitted and that the outside mirrors are fully folded out again when you leave the automatic car wash.
To avoid damage to your vehicle, observe the following before using an automatic car wash:
the side windows and the sliding window are completely closed.
the blower for ventilation and heating 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.
Removing the wax from the windscreen and the wiper rubbers after washing the vehicle, will help avoid smearing and reduce wiper noise.