X
Switch off all electrical consumers (e.g. radio, blower, etc.).
X Ope nthe hood (Y page 512). Position number
0025identifies the charged battery of the other vehicle or an equivalent jump-
starting device.
X Press cover 0002of positive terminal 0003down (in the direction of the arrow) and turn it
clockwise. Cover 0002is held down in the lowered position, which exposes positive
terminal 0003.
X Connect positive terminal 0003on your vehicle to positive terminal 0027of donor battery 0025
using the jumper cable, always begin with positive terminal 0003on your own vehicle first.
X Start the engine of the donor vehicle and run it at idling speed.
X Connect negative terminal 0026of donor battery 0025to ground point 0024of your vehicle using
the jumper cable, connecting the jumper cable to donor battery 0025first.
X Start the engine.
X Before disconnecting the jumper cables, let the engine run for several minutes.
X First, remove the jumper cables from earth point 0024and negative terminal 0026, then from
positive clamp 0003and positive terminal 0027. Begin each time at the contacts on your own
vehicle first.
X After removing the jumper cables, press down cover 0002of positive terminal 0003and turn it
counter-clockwise. Cover 0002returns to its original position. Positive terminal 0003is 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
535Breakdown assistance Z
You can find information on "Jump-starting"
at (Y page 534). Fuses
Important safety notes
G
WARNING
Only use fuses that have been approved for
Mercedes-Ben zvehicles 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 afire. Have the cause
traced and rectified at a qualified specialist
workshop.
! Only use fuses that have been approved
for Mercedes-Ben zvehicles 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 afuse blows, all the
components on the circuit and their functions
stop operating.
Blown fuses must be replace dwith 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-Ben zCenter. Before changing a fuse
X Secure the vehicle against rolling away
(Y page 175).
X Switch off all electrical consumers. X
Turn the SmartKey to position 0in the
ignition lock and remove it (Y page 155).
or
X On vehicles with KEYLESS-GO, make sure
the ignition is switched off (Y page 155).
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 compartment on the
right-hand side of the vehicle, when viewed
in the direction of travel
The fuse allocation chart is located in the
vehicle tool kit in the stowage compartment
under the trunk floor (Y page 526). Dashboard fuse box
! Do not use a pointed objec tsuch as a
screwdriver to open the cover in the
dashboard. You could damage the
dashboard or the cover.
! Make sure that no moisture can ente rthe
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. Fuses
539Breakdown assistance Z
