Get Breakdown assistance -> Electrical fuses Guide for Mercedes C Class 4 Door 2023

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648

Press the mark on the cover 1 inwards and

remove.

Vehicles with an automatic transmission must

not be tow-started.

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.

Electrical fuses

Notes on electrical fuses

Only use the towing eye or trailer hitch to

tow away or tow start the vehicle.

WARNING Risk of accident and injury due

to overloaded lines

Do not use the towing eye or trailer hitch

to tow the vehicle during recovery.

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.

Tow-starting the vehicle

This could result in a ﬁre.

Depending on the vehicle version, use a tool

(suchas a screwdriver) to prise the cover out

of recess 2.

Screw in the towing eye clockwise as far as it

will go and tighten.

Vehicles with automatic transmission

Always replace faulty fuses with speci-

ﬁed new fuses containing the correct

amperage.

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.

NOTE Damage due to incorrect fuses

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.

Using incorrect fuses can result in damage to

electrical components or systems or their

functions being considerably restricted.

Vehicles with automatic transmission

must not be tow-started.

Aꢀer removing the towing eye, engage the

cover 1 in the bumper.

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Breakdown assistance

649

If the newly inserted fuse also blows, have the

cause traced and rectiﬁed at a qualiﬁed specialist

workshop.

Observe the notes on electrical fuses

Use only fuses approved for Mercedes-

Benz with the respective speciﬁed fuse

rating.

(/ page 59).

Opening

Ensure the following before replacing a fuse:

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

boot (/ page 651).

The vehicle is secured against rolling away.

All electrical consumers are switched oﬀ.

The vehicle is switched oﬀ.

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.

The electrical fuses are located in various fuse

boxes:

Fuse box in the engine compartment on the

driver's side (/ page 649)

Always switch oﬀ the windscreen wipers

and the vehicle ﬁrst if you need to open

NOTE Damage or malfunctions caused by

moisture

the bonnet.

Fuse box on the driver's side of the cockpit

(/ page 651)

Moisture may cause damage to the electrical

system or cause it to malfunction.

Open the bonnet (/ page 611).

Fuse box in the front passenger footwell

(/ page 651)

When the fuse box is open, make sure

that no moisture can enter the fuse box.

Fuse box in the boot (/ page 651)

When closing the fuse box, make sure

Opening and closing the fuse box in the engine

compartment

that the seal of the lid is positioned cor-

rectly on the fuse box.

Requirements

A dry cloth and a screwdriver are available.

F206 0105 02

Breakdown assistance

650

Turn both retaining clips 2 on cover 1 on

the driver's side a quarter-turn clockwise.

Fold cover 1 upwards.

Remove any existing moisture from the fuse

box using a dry cloth.

Loosen screws 3 and remove fuse box lid 4

from the top.

Insert lid 4 into the bracket at the rear of the

fuse box.

Fold down lid 4 of the fuse box and tighten

screws 3.

Closing

Check whether the seal is positioned correctly

in lid 4.

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Breakdown assistance

651

Fold down cover 1.

Turn both retaining clips 2 on cover 1 a

quarter-turn anti-clockwise.

The fuse box is on the driver's side on the side of

the cockpit under a cover.

Open cover 1 in the direction of the arrow

and remove it.

Close the bonnet.

Mercedes-Benz recommends you have the

fuse box opened at a Mercedes-Benz Service

Centre.

Opening and closing the fuse box in the cockpit

To open: fold out and remove cover 1.

To close: reinsert cover 1.

Observe the notes on electrical fuses

(/ page 59).

Opening and closing the fuse box in the front

passenger footwell

Opening and closing the fuse box in the boot

Observe the notes on electrical fuses

(/ page 59).

Observe the notes on electrical fuses

(/ page 59).

F206 0105 02

Breakdown assistance

652

Open cover 1.

F206 0105 02

Breakdown assistance -> Electrical fuses for Your Mercedes C Class 4 Door 2023

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