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X
Switch off all electrical consumers (e.g. radio, blower, etc.).
X Open the hood (Y page 496). Position number
B identifies the charged battery of the other vehicle or an equivalent jump-
starting device.
X Press cover : of positive terminal ; down (in the direction of the arrow) and turn it
clockwise. Cover : is held down in the lowered position, which exposes positive
terminal ;.
X Connect positive terminal ; on your vehicle to positive terminal = of donor battery B
using the jumper cable, always begin with positive terminal ; on your own vehicle first.
X Start the engine of the donor vehicle and run it at idling speed.
X Connect negative terminal ? of
donor battery B to ground point A of your vehicle using
the jumper cable, connecting the jumper cable to donor battery B first.
X Start the engine.
X Before disconnecting the jumper cables, let the engine run for several minutes.
X First, remove the jumper cables from ground point A and
negative terminal ?, then from
positive terminal ; and positive terminal =, each time beginning at the contacts on your
own vehicle first.
X After removing the jumper cables, press down cover : of positive terminal ; and turn it
counter-clockwise. Cover
:
returns to its original position. Positive terminal ; is covered
up and thus insulated again.
X Have the battery checked at a qualified specialist workshop.
i Jump-starting is not considered to be a normal operating condition.
i Jumper cables and further information regarding jump starting can be obtained at any
qualified specialist workshop. Jump-starting
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Roadside Assistance Z
Page 523 of 572

Fuses
Important safety notes
G
WARNING
Only use fuses that have been approved for
Mercedes-Benz vehicles and that have the
correct fuse rating for the systems
concerned. Do
not attempt to repair or bridge
faulty fuses. Using fuses that have not been
approved or attempting to repair or bridge
faulty fuses could cause the fuse to be
overloaded and result in a fire. Have the cause
traced and rectified at a qualified specialist
workshop.
! Only use fuses that have been approved
for Mercedes-Benz vehicles and which
have the correct fuse rating for the system
concerned. Otherwise, components or
systems could be damaged.
The fuses in your vehicle serve to close down
faulty circuits. If a fuse blows, all the
components on the circuit and their functions
stop operating.
Blown fuses must be replaced with fuses of
the same rating, which you can recognize by
the color and value. The fuse ratings are listed
in the fuse allocation chart.
If a newly inserted fuse also blows, have the
cause traced and rectified at a qualified
specialist workshop, e.g. an authorized
Mercedes-Benz Center. Before changing a fuse
X Secure the vehicle against rolling away
(
Y page 154).
X Switch off all electrical consumers.
X Turn the key to position 0 in the ignition
lock and remove it (Y page 135). On
vehicles with KEYLESS-GO, make sure the
ignition is switched off (Y page 135). All
indicator lamps in the instrument cluster
must be off. The fuses are located in various fuse boxes:
R
fuse box
in the engine compartment on the
right-hand side of the vehicle, when viewed
in the direction of travel
R Dashboard fuse box
R Fuse box in the rear
The fuse allocation chart is located in the
vehicle tool kit (Y page 508). Fuse box in the engine compartment
! Make sure
that no moisture can enter the
fuse box when the cover is open.
! When closing the cover, make sure that it
is lying correctly on the fuse box. Moisture
seeping in or dirt could otherwise impair
the operation of the fuses. X
Open the hood (
Y page 496).
X Remove any existing moisture from the
fuse box using a dry cloth.
X To open: open clamps ;.
X Fold cover : upwards in the direction of
the arrow and remove it. Fuses
521
Roadside Assistance Z
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X
To close: check whether the seal is lying
correctly in cover :.
X Insert both openings = at the rear of
cover :
into
the brackets on the fuse box.
The brackets on the fuse box must be
completely visible in the two openings =
on the fuse box.
X Fold down cover :.
X Hook clamps ; into the fuse box and
close.
X Close the hood ( Y page 497).Dashboard fuse box
! Do not use a pointed object such as a
screwdriver to open the cover in the
dashboard. You could damage the
dashboard or the cover.
! Make sure
that no moisture can enter the
fuse box when the cover is open.
! When closing the cover, make sure that it
is lying correctly on the fuse box. Moisture
seeping in or dirt could otherwise impair
the operation of the fuses. X
To open: pull cover : outwards in the
direction of the arrow and remove it.
X To close: clip in cover :
at the front of the
dashboard.
X Fold cover : inwards until it engages. Fuse box in the rear
! Make sure
that no moisture can enter the
fuse box when the cover is open.
! When closing the cover, make sure that it
is lying correctly on the fuse box. Moisture
seeping in or dirt could otherwise impair
the operation of the fuses. The fuse box in the rear is located on the right-hand
side when viewed in the direction of travel.
X
To open: open the seat belt guide on the
right-hand seat and remove the seat belt
(Y page 99).
X Move the right-hand front seat as far
forward as possible (Y
page 99).
X Insert your fingers at the bottom of front
cover : between the cover and floor
covering.
X Remove front cover : towards the front
by pulling it in the direction of the arrow.
X Lift off top cover ; by pulling it in the
direction of the arrow. Fuses = are accessible through the two
openings in the top of the fuse box.522
FusesRoadside Assistance
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