Get Quick start and Tips -> Help in the event of a breakdown Guide for Mercedes B Class SUV Third Generation (2018-2026)

The colours of the indicator lamp have the follow-

ing meanings:

Blue: stationary ventilation is switched on.

Red: the stationary heater is switched on.

Yellow: the departure time is preselected.

The stationary heater/ventilation will switch o

automatically aer 50 minutes.

Help in the event of a breakdown

Activating/deactivating the hazard warning lights

Press button 1.

The hazard warning lights will switch on automati-

cally if:

the airbag has been deployed.

the vehicle is braked heavily from a speed of

more than 70 km/h to a standstill.

When you pull away again, the hazard warning

light system will switch o automatically at

approximately 10 km/h. You can also switch o

the hazard warning light system using button

Removing the re extinguisher

WARNING Risk of accident due to an

incorrectly secured re extinguisher in the

driver's footwell

A re extinguisher may impede pedal travel or

block a depressed pedal.

This jeopardises the operating and road safety

of the vehicle.

The re extinguisher can be ung around and

injure the driver or other vehicle occupants.

Always store and secure the re extin-

guisher in the bracket.

Do not remove the re extinguisher while

driving.

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F247 0072 02

Le-hand drive vehicle: pull tab 1 upwards.

Right-hand drive vehicle: pull tab 1 down-

wards.

Remove re extinguisher 2.

Removing the safety vest

There is a high-visibility waistcoat compartment

on the door shelves of all doors for storing a high-

visibility waistcoat.

To remove: pull out safety vest bag 1 by loop

Open the safety vest bag 1 and pull out the

safety vest.

Replace: Fold up the safety vest, roll it up and

place it in the safety vest 1.

Slide the safety vest bag 1 along the lower

edge of the armrest into the safety vest com-

partment. Ensure that the loop

2 hangs out

so that it is easy to reach.

Remove the packaging lm before sliding it

into the safety vest compartment for a new

safety vest. Otherwise, it may cause uninten-

tional slipping or make removing dicult.

Observe the legal requirements in the individ-

ual countries.

Maximum number of washes

Maximum wash temperature

Do not bleach

Do not iron

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F247 0072 02

Do not tumble dry

Do not dry clean

Class 2 safety vest

The requirements dened by the legal standard

are only fullled if the safety vest is the correct

size and is fully closed.

Replace the safety vest in the following cases:

The reective strips are damaged or dirty

The maximum permissible number of washes

is exceeded

The uorescence property decreases, e.g. due

to permanent exposure to sunlight.

Dispose of the safety vest in an environmentally

friendly way:

Please contact your local waste disposal com-

pany.

Removing the warning triangle

The warning triangle is secured to the underside

of the load compartment oor.

Open the load compartment oor 1.

Remove warning triangle 2.

Depending on the vehicle design, the warning tri-

angle may be located in a dierent place under

the load compartment oor.

First-aid kit (so-sided) overview

First-aid kit (so-sided) 1 is located in the stow-

age net on the le-hand side of the load compart-

ment.

Depending on the vehicle version, the rst-aid kit

(so-sided)

1 may be located in other positions

in the load compartment.

QR code for rescue card

QR codes are attached in the fuel ller ap and on

the opposite side on the B-pillar. In the event of

an accident, rescue services can use the QR code

to quickly nd the appropriate rescue card for

Quick start and Tips

F247 0072 02

your vehicle. The current rescue card contains the

most important information about your vehicle

(e.g. the routing of the electric lines) in compact

form.

Further information can be obtained at

www.

Starting assistance and charging the 12 V battery

Starting assistance/preparation for charging

Secure the vehicle with the electric parking

brake.

Shi the transmission to position j.

Switch the vehicle and all electrical consum-

ers o.

Open the bonnet.

Slide the cover 1 of the positive terminal 2

on the jump-start connection point in the

direction of the arrow.

Starting assistance

Connect the jump lead to the positive terminal

of your vehicle.

Connect the jump lead to the positive terminal

of the donor battery.

Run the engine of the assisting vehicle at

idling speed.

Connect the jump lead to the negative termi-

nal of the donor battery.

Connect the jump lead to the earth point 3

of your vehicle.

Start the engine of your vehicle.

Let the engine run for a few minutes.

Before disconnecting the jump leads, switch

on an electrical consumer in your vehicle, e.g.

the rear window heating or lights.

When the starting assistance has been comple-

ted:

Disconnect the jump lead from the earth point

3 of your vehicle.

Disconnect the jump lead from the negative

terminal of the donor battery.

Disconnect the jump lead from the positive

terminal of your own vehicle.

Disconnect the jump lead from the positive

terminal of the donor battery.

Quick start and Tips

F247 0072 02

Aer removing the jump leads, close the cover

1 of the positive terminal 2.

Plug-in hybrid: if the vehicle has been jump-star-

ted, the electric drive system may not be available

for around 30 minutes.

Further information can be obtained at a qualied

specialist workshop.

Charging the 12 V battery

Connect the charging cable to the positive ter-

minal of your vehicle.

Connect the charging cable to the positive ter-

minal of the charger.

Connect the charging cable to the negative

terminal of the charger.

Connect the charging cable to the earth point

3 of your vehicle.

Start the charging procedure.

When the charging procedure has been comple-

ted:

Disconnect the charging cable from the earth

point 3 of your vehicle.

Disconnect the charging cable from the nega-

tive terminal of the charger.

Disconnect the charging cable from the posi-

tive terminal of your vehicle.

Disconnect the charging cable from the posi-

tive terminal of the charger.

Aer removing the charging cables, close the

cover 1 of the positive terminal 2.

Notes on electrical fuses

WARNING Risk of accident and injury due

to overloaded lines

If you manipulate or bridge a faulty fuse or if

you replace it with a fuse with a higher amper-

age, the electric line could be overloaded.

This could result in a re.

Always replace faulty fuses with speci-

ed new fuses containing the correct

amperage.

NOTE Damage due to incorrect fuses

Using incorrect fuses can result in damage to

electrical components or systems or their

functions being considerably restricted.

Use only fuses approved for Mercedes-

Benz with the respective specied fuse

rating.

Blown fuses must be replaced with fuses of the

same rating, which you can recognise by the col-

our and the label. The fuse ratings and further

information to be observed can be found in the

fuse assignment diagram.

Fuse assignment diagram: on the fuse box in the

engine compartment (/ page 585).

NOTE Damage or malfunctions caused by

moisture

Moisture may cause damage to the electrical

system or cause it to malfunction.

When the fuse box is open, make sure

that no moisture can enter the fuse box.

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F247 0072 02

When closing the fuse box, make sure

that the seal of the lid is positioned cor-

rectly on the fuse box.

If the newly inserted fuse also blows, have the

cause traced and rectied at a qualied specialist

workshop.

Ensure the following before replacing a fuse:

The vehicle is secured against rolling away.

All electrical consumers are switched o.

The vehicle is switched o.

The electrical fuses are located in various fuse

boxes:

Fuse box in the engine compartment on the

le-hand side of the vehicle, when viewed in

the direction of travel (/ page 585)

Fuse box in the front passenger footwell

(/ page 586)

Fuse box in the centre of the load compart-

ment (/ page 587)

Notes on at tyres

WARNING Risk of accident due to a at

tyre

A at tyre severely aects the driving charac-

teristics as well as steering and braking.

tyres that do not feature run-at characteris-

tics:

Do not drive on with a at tyre.

Change the at tyre immediately with an

emergency spare wheel or spare wheel.

Alternatively, consult a qualied special-

ist workshop.

Run-at tyres:

Observe the information and warning

notes on MOExtended tyres (run-at

tyres).

In the event of a at tyre, the following options are

available depending on your vehicle's equipment:

Vehicles with MOExtended tyres: it is possible

to continue the journey for a short period of

time. Make sure you observe the notes on

MOExtended tyres (run-at tyres)

(/ page 566).

Vehicles with a TIREFIT kit: you can seal the

tyre so that it is possible to continue the jour-

ney for a short period of time. To do this, use

the TIREFIT kit (/ page 567).

(/ page 506)

Vehicles with Mercedes me

connect: you can make a call for breakdown

assistance via the overhead control panel in

the case of a breakdown .

All vehicles: change the wheel (/ page 597).

(/ page 602)The emergency spare wheel is

only available in certain countries.

Overview of the tyre-change tool kit

Apart from some country-specic variants, vehi-

cles are not equipped with a tyre-change tool kit.

For more information on which tyre-changing

tools are required and approved for performing a

wheel change on your vehicle, consult a qualied

specialist workshop.

Quick start and Tips

F247 0072 02

You require the following tools, forexample, to

change a wheel:

Jack

Chock

Wheel wrench

Centring pin

The jack weighs approximately 3.4 kg.

The maximum load capacity of the jack can

be found on the sticker axed to the jack.

The jack is maintenance-free. If there is a

malfunction, please contact a qualied spe-

cialist workshop.

The tyre-change tool kit is located in tool bag

in the load compartment.

Depending on the vehicle equipment, the tool

bag may be located in other positions in the

load compartment.

When stowing the tool bag, make sure that it

is adequately secured.

The tool bag contains:

Jack

Gloves

Wheel wrench

Centring pin

Folding chock

Ratchet for jack

Storage location of the TIREFIT kit (not plug-in

hybrid)

The TIREFIT kit is located under the load compart-

ment oor.

Tyre sealant bottle

Tyre ination compressor

You can nd information on the power cate-

gory (LK) and/or electrical data on the back

of the tyre ination compressor:

LK2 – 12 V/15 A, 180 W, 0.8 kg

At a distance of approximately 1 m to the tyre

ination compressor and approximately 1.6 m

above the ground, the following sound pres-

sure levels apply:

Emission sound pressure level L

83 dB(A)

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F247 0072 02

Sound power level L

91 dB(A)

The tyre ination compressor is maintenance-

free. In the event of a malfunction, please

contact a qualied specialist workshop.

Towing the vehicle with both axles on the ground

Observe the notes on the permitted towing

methods.

Make sure that the battery is connected and

charged.

Observe the following points when the battery is

discharged:

The vehicle cannot be started.

The electric parking brake cannot be released

or applied.

Vehicles with automatic transmission: the

transmission cannot be shied to position i

or j.

Vehicles with automatic transmission: if the

transmission cannot be shied to position i

or if the display does not show anything,

transport the vehicle (/ page 582). A towing

vehicle with liing equipment is required for

vehicle transportation.

NOTE Damage due to towing away at

excessively high speeds or over long dis-

tances

The drivetrain could be damaged when towing

at excessively high speeds or over long distan-

ces.

A towing speed of 50 km/h must not be

exceeded.

A towing distance of 50 km must not be

exceeded.

WARNING Risk of accident when towing a

vehicle which is too heavy

If the vehicle to be tow-started or towed away

is heavier than the permissible gross mass of

your vehicle, the following situations can

occur:

the towing eye may become detached.

the vehicle/trailer combination may

swerve or overturn.

Before tow-starting or towing away,

check if the vehicle to be tow-started or

towed away exceeds the permissible

gross mass.

If a vehicle has to be tow-started or towed away,

its permissible gross mass must not exceed the

permissible gross mass of the towing vehicle.

Information on the permissible gross mass of

the vehicle can be found on the vehicle identi-

cation plate (/ page 724).

Vehicles with automatic transmission: do not

open the driver's door or front-passenger

door; the transmission otherwise automati-

cally shis to position j.

Fit the towing eye (/ page 584).

Fasten the towing device.

Quick start and Tips

F247 0072 02

Quick start and Tips -> Help in the event of a breakdown for Your Mercedes B Class SUV Third Generation (2018-2026)

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