Electrical Fuses - Mercedes-Benz Sprinter 2018 Operating Instructions Manual

If necessary, allow the engine and the
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exhaust system to cool down.
Switch on the ignition.
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Engage 2nd or 3rd gear.
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Release the parking brake.
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Keep the clutch pedal fully depressed when
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tow starting the vehicle.
Release the clutch pedal slowly.
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When the engine has started, engage neutral
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immediately.
Stop in a safe location.
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Remove the towing device.
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Remove the towing eye.
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Have the vehicle checked at a qualified spe‐
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cialist workshop.

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
amperage, the electric line could be overloa‐
ded.
This could result in a fire.
Always replace faulty fuses with speci‐
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fied new fuses containing the correct
amperage.
* NOTE Damage due to incorrect fuses
Electrical components or systems could be
damaged by incorrect fuses.
Only use fuses which have been
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approved by Mercedes-Benz and which
have the correct fuse rating.
The electrical fuses in your vehicle switch off
defective circuits. If a fuse blows, all the compo‐
nents on the circuit and their functions will cease
to operate.
Blown fuses must be replaced with fuses of an
equivalent specification, which you can deter‐
mine by the colour and fuse rating. The fuse allo‐
cation chart and further information on the elec‐
tric fuses and relays can be found in the "Fuse
allocation chart" supplement.
Breakdown assistance 309
* 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
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that no moisture can enter the fuse box.
When closing the fuse box, make sure
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that the seal of the lid is positioned cor‐
rectly on the fuse box.
If the new fuse which has been inserted also
blows, have the cause traced and rectified at a
qualified specialist workshop.
Make sure of the following before replacing a
fuse:
the vehicle is secured such that it does not
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roll away
all electrical consumers are switched off
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the ignition is switched off
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The fuses are located in various fuse boxes:
fuse box in the co-driver's footwell
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( page 310)
/
fuse box in the seat base of the driver's seat
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( page 309)
/
Opening the fuse box in the seat base of the
driver's seat
To open: press down and unclip fasteners
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on the cover.
Remove the cover.
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