2018-2026 Mercedes B Class SUV Breakdown assistance -> Electrical fuses User Manual
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Breakdown assistance -> Electrical fuses for Your Mercedes B Class SUV Third Generation (2018-2026)

Fitting and removing the towing eye
#
Press the mark on the cover 1 inwards and
remove.
#
Screw in the towing eye clockwise as far as it
will go and tighten.
Vehicles with a trailer hitch: vehicles with a trailer
hitch do not have a rear bracket for the towing
eye. Fasten the tow bar to the trailer hitch.
#
Aer removing the towing eye, engage the
cover 1 in the bumper.
*
NOTE Damage to the vehicle due to incor-
rect use of the towing eye or trailer hitch
When a towing eye or trailer hitch is used to
recover a vehicle, the vehicle may be damaged
in the process.
#
Only use the towing eye or trailer hitch to
tow away or tow start the vehicle.
#
Do not use the towing eye or trailer hitch
to tow the vehicle during recovery.
Tow-starting the vehicle
Vehicles with automatic transmission
*
NOTE Damage to the automatic transmis-
sion due to tow-starting
The automatic transmission may be damaged
in the process of tow-starting vehicles with
automatic transmission.
#
Vehicles with automatic transmission
must not be tow-started.
#
Vehicles with an automatic transmission must
not be tow-started.
Electrical fuses
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.
584
Breakdown assistance
F247 0072 02
*
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.
#
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:
R
The vehicle is secured against rolling away.
R
All electrical consumers are switched o.
R
The vehicle is switched o.
The electrical fuses are located in various fuse
boxes:
R
Fuse box in the engine compartment on the
le-hand side of the vehicle, when viewed in
the direction of travel (/ page 585)
R
Fuse box in the front passenger footwell
(/ page 586)
R
Fuse box in the centre of the load compart-
ment (/ page 587)
Opening and closing the fuse box in the engine
compartment
Requirements:
R
A dry cloth and a screwdriver are available.
Observe the notes on electrical fuses
(/ page 52).
Open
&
WARNING Risk of injury from using the
windscreen wipers when the bonnet is
open
If the windscreen wipers start moving when
the bonnet is open, you could be trapped by
the wiper linkage.
#
Always switch o the windscreen wipers
and vehicle before opening the engine
bonnet.
#
Open the bonnet.
Breakdown assistance
585
F247 0072 02
#
Remove any existing moisture from the fuse
box using a dry cloth.
#
Loosen screws 1.
#
Press clamps 2 and li the fuse box lid up
and out.
The fuse assignment diagram is in a recess on the
side of the fuse box.
Closing
#
Check whether the seal is positioned correctly
in the lid.
#
Place the lid on the fuse box.
#
Make sure that clamps 2 engage.
#
Tighten screws 1.
#
Close the bonnet.
Opening and closing the fuse box in the front
passenger footwell
Requirements
Observe the notes on electrical fuses
(/ page 52).
Opening
#
Li carpet 1 in the direction of the arrow.
586
Breakdown assistance
F247 0072 02
#
Loosen screws 2 and remove the fuse box
lid from the top.
Closing
#
Place the lid on the fuse box.
#
Tighten screws 2.
#
Fold back the carpet.
Opening and closing the fuse box in the load com-
partment
Requirements
Observe the notes on electrical fuses
(/ page 52).
#
Open the load compartment oor.
Fuse box 1 is located underneath the load com-
partment oor.
Depending on the vehicle version, the fuse box
may be in a dierent position under the load com-
partment oor.
Breakdown assistance
587
F247 0072 02

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