Get Driving and parking -> Refuelling Guide for Mercedes C Class 4 Door Fourth Generation (2014-2021)

170 Driving and parking

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Downhill gradient

temperature

vehicle in front, for vehicle speed, for braking in

good time and for staying in lane.

#

Do not swallow fuel or let it come into

contact with skin, eyes or clothing.

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% In wintry road conditions, the maximum

effect of 4MATIC can be achieved only if you

use winter tyres (M+S tyres), with snow

chains if necessary.

#

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height

Speed

Do not inhale fuel vapour.

Keep children away from fuel.

Keep doors and windows closed during

the refuelling process.

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operating status of the engine

traffic situation

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Refuelling

Refuelling the vehicle

% Glide mode can be ended by pressing a

steering wheel gearshift paddle

(/ page 168).

If you or other people come into contact with

fuel, observe the following:

#

Immediately rinse fuel off your skin with

soap and water.

&

WARNING Risk of fire or explosion from

fuel

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If fuel comes into contact with your

Function of the 4MATIC

eyes, immediately rinse them thor‐

oughly with clean water. Seek medical

attention immediately.

Fuels are highly flammable.

4MATIC ensures that all four wheels are driven.

Together with ESP^®and 4ETS, 4MATIC improves

the traction of your vehicle whenever a driven

wheel spins due to insufficient traction.

If you fail to adapt your driving style, 4MATIC can

neither reduce the risk of an accident nor over‐

ride the laws of physics. 4MATIC cannot take

account of road, weather and traffic conditions.

4MATIC is only an aid. You are responsible espe‐

cially for maintaining a safe distance from the

#

Fire, naked flames, smoking and crea‐

tion of sparks must be avoided.

#

If you swallow fuel, seek medical atten‐

#

Switch off the ignition and, if available,

tion immediately. Do not induce vomit‐

ing.

the stationary heater, before and while

refuelling the vehicle.

#

Change immediately out of clothing that

has come into contact with fuel.

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WARNING Risk of injury from fuels

Fuels are poisonous and hazardous to your

health.

Driving and parking 171

Consult a qualified specialist workshop.

NOTE Damage caused by the wrong fuel

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Even small amounts of the wrong fuel could

result in damage to the fuel system, the

engine and the emission control system.

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WARNING Risk of fire and explosion due

to electrostatic charge

*

Electrostatic charge can ignite fuel vapour.

#

Only refuel using unleaded, sulphur-free

Before you open the fuel filler cap or

take hold of the pump nozzle, touch the

metallic vehicle body.

To avoid creating another electrostatic

charge, do not get into the vehicle again

during the refuelling process.

Vehicles with a diesel engine:

fuel that conforms to European EN 228,

or an equivalent specification.

Even small amounts of the wrong fuel could

result in damage to the fuel system, the

engine and the emission control system.

#

Fuel of this specification may contain up to

10% ethanol. Your vehicle is suitable for use

with E10 fuel.

#

Only refuel using sulphur-free diesel

fuel that conforms to European stand‐

ard EN 590, or an equivalent specifica‐

tion.

Never refuel with one of the following fuels:

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WARNING Risk of fire from fuel mixture

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diesel

In countries without sulphur-free diesel

fuel, refuel using only low-sulphur diesel

fuel with a sulphur content less than

50 ppm.

Vehicles without diesel particulate

filter: refuel using only diesel fuel with

Vehicles with a diesel engine:

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regular petrol with an octane number

lower than 91 RON

While the engine is running, component

parts in the exhaust system may overheat

without warning.

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petrol with more than 10% ethanol by vol‐

ume, e.g. E15, E20, E85, E100

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Never refuel using petrol.

Never mix petrol with diesel fuel.

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petrol with more than 3% methanol by

volume, e.g. M15, M30

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a sulphur content less than 500 ppm.

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petrol with additives containing metal

Never refuel using any of the following fuels:

NOTE Damage caused by the wrong fuel

*

If you have accidentally refuelled with the

wrong fuel:

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petrol

marine diesel

Vehicles with a petrol engine:

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#

do not switch the ignition on.

172 Driving and parking

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heating oil

pure bio-diesel fuel or vegetable oil

You could otherwise fail to recognise

dangers.

NOTE Do not use petrol to refuel vehi‐

cles with a diesel engine

*

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paraffin or kerosene

If you have accidentally refuelled with the

wrong fuel:

Requirements:

If you accidentally refuel with the wrong fuel:

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The vehicle is unlocked.

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do not switch the ignition on. Otherwise,

fuel can enter the fuel system.

Do not switch the ignition on.

Consult a qualified specialist workshop.

% Do not get into the vehicle again during the

refuelling process. Otherwise, electrostatic

charge could build up again.

#

Even small amounts of the wrong fuel

could result in damage to the fuel system

and the engine. The repair costs are high.

NOTE Do not use diesel to refuel vehi‐

cles with a petrol engine

*

Observe the notes on operating fluids and fuel.

The recommended octane number for your vehi‐

cle can be found on the information label in the

fuel filler flap.

#

Consult a qualified specialist workshop.

If you have accidentally refuelled with the

wrong fuel:

#

Have the fuel tank and fuel lines

drained completely.

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do not switch the ignition on. Otherwise

fuel can enter the engine.

Even small amounts of the wrong fuel

could result in damage to the fuel system

and the engine. The repair costs are high.

NOTE Damage to the fuel system caused

by overfilled fuel tanks

*

#

Only fill the fuel tank until the pump

nozzle switches off.

#

Consult a qualified specialist workshop.

#

Have the fuel tank and fuel lines

drained completely.

NOTE Plug-in hybrid

*

#

For vehicles with petrol engines,

observe the notes in the Supplement.

Driving and parking 173

AdBlue^®(vehicles with a diesel engine only)

#

Insert the fuel filler cap from above into

bracket 2.

Notes on refilling AdBlue^®

Completely insert the pump nozzle into the

tank filler neck, hook in place and refuel.

Only fill the fuel tank until the pump nozzle

switches off.

AdBlue^®is a water-soluble fluid for the NOx

exhaust gas aftertreatment of diesel engines. In

order for the exhaust gas aftertreatment to func‐

tion properly, only use AdBlue^®in accordance

with ISO 22241.

% Vehicles with a diesel engine: the tank

filler neck is designed for refuelling at diesel

filling pumps.

% Vehicles with a diesel engine: when the

fuel tank is completely empty, top up with at

least 5 litres of diesel.

AdBlue^®is characterised by the following:

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non-toxic

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colourless and odourless

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non-flammable

If you open the AdBlue^®tank, small amounts of

ammonia vapour may be released. Only fill the

AdBlue^®tank in well-ventilated areas.

Do not let AdBlue^®come into contact with skin,

eyes or clothes. Keep AdBlue^®away from chil‐

dren.

Do not ingest AdBlue^®. If AdBlue^®is swallowed,

immediately rinse your mouth out thoroughly.

Drink plenty of water. Seek medical attention at

once.

% Vehicles with a diesel engine: use a filler

neck with a large diameter for vehicles with

a diesel engine when topping up fuel from a

fuel can. Otherwise, the filler neck cannot

slide into the tank.

1

2

3

4

5

Fuel filler flap

Bracket for fuel filler cap

Tyre pressure table

QR code for rescue card

Fuel type

#

Replace the cap on the filler neck and turn

clockwise until it engages audibly.

#

Close fuel filler flap 1.

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Press on the back area of fuel filler flap 1.

% Close the fuel filler flap before locking the

Turn the fuel filler cap anti-clockwise and

remove it.

vehicle.

174 Driving and parking

Topping up AdBlue^®

Observe the notes on operating fluids

The following messages appear in order in the

multifunction display when the AdBlue^®tank

requires topping up:

(/ page 429).

NOTE Engine damage due to AdBlue^®

being in the fuel

AdBlue^®is available here:

*

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Refill AdBlue See Owner’s ManualThe

AdBlue^®can be topped up by fast service at

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AdBlue^®level has fallen below the reserve

range. Top up AdBlue^®immediately.

AdBlue^®must not be used to fill the

fuel tank.

Only use AdBlue^®to fill the AdBlue^®

tank.

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a qualified specialist workshop, e.g. a

Mercedes-Benz Service Centre.

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AdBlue^®is available at many filling stations

Top up AdBlue Emergency op. in XXX miles

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See Owner's ManualThe low AdBlue^®level

will lead to limited performance after the

remaining distance displayed has been

driven. Top up AdBlue^®immediately.

from AdBlue^®filling pumps.

Do not overfill the AdBlue^®tank.

Alternatively, AdBlue^®is available at qualified

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specialist workshops, e.g. Mercedes-Benz

Service Centres, and at many filling stations

in AdBlue^®refill canisters or AdBlue^®refill

bottles.

NOTE Contamination of the vehicle inte‐

*

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XX,X l Top up AdBlue Emer. op.: max. XXX

rior due to AdBlue^®leakage

km/h Start not poss. in XXX kmThe low

AdBlue^®level will lead to limited perform‐

ance from the speed displayed. After the

remaining distance displayed has been cov‐

ered, it will no longer be possible to start the

engine. Top up with at least the amount of

AdBlue^®displayed.

#

After topping up, carefully close the

AdBlue^®refill container.

Avoid carrying AdBlue^®refill containers

permanently in the vehicle.

% Ensure the connection between the refill

container and vehicle filler neck does not

drip.

Requirements:

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XX,X l Top up AdBlue Switch on ignition, wait

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The vehicle is unlocked.

60 sec. or eng. start not poss.The AdBlue^®

tank is empty. You can no longer start the

engine. Top up with at least the amount of

Driving and parking 175

Opening the AdBlue^®filler cap

Topping up AdBlue^®

AdBlue^®displayed. Switch on the ignition

and wait for approximately 60 seconds. Start

the engine.

You can see the AdBlue^®range and level in the

Service menu in the multifunction display.

The AdBlue^®range shown depends strongly

on the driving style and operating condi‐

tions. The actual range can therefore deviate

from the calculated range.

%

Screw on the fastener of AdBlue^®refill canis‐

ter 2.

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Screw disposable hose 1 onto the opening

of AdBlue^®refill canister 2 until hand-tight.

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Screw disposable hose 1 onto the filler

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Press on the back area of fuel filler flap 1.

Turn AdBlue^®filler cap 2 anti-clockwise and

remove it.

You can also store the AdBlue^®filler cap in

the fuel filler cap holder in the fuel filler flap

hinge arm.

neck of the vehicle until hand-tight.

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Lift up and tip AdBlue^®refill canister 2.

The filling process stops when the AdBlue^®

tank is completely full.

AdBlue^®refill canister 2 can be removed

when it has been only partially emptied.

%

Driving and parking -> Refuelling for Your Mercedes C Class 4 Door Fourth Generation (2014-2021)

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