2013 MERCEDES-BENZ B-CLASS SPORTS open hood

!
Only charge the battery using the jump-
starting connection point.
The jump-starting connection point is in the
engine compartment (Y page 283).
X Open the hood (Y page 260).
X Connect the battery charger to the positive
terminal and ground point in the same
order as when connecting the donor
battery in the jump-starting procedure
(Y page 283).
If, at low temperatures, the indicator lamps/
warning lamps in the instrument cluster do
not light up, it is highly likely that the
discharged battery has frozen. In this case,
you may neither charge the battery nor jump-
start the vehicle. The service life of a thawed-
out battery may be shorter. The starting
characteristics can be impaired, particularly
at low temperatures. Have the thawed-out
battery checked at a qualified specialist
workshop.
Only charge the installed battery with a
battery charger which has been tested and
approved by Mercedes-Benz.Ab attery
charge runit specially adapted for Mercedes-
Benz vehicles and tested and approved by
Mercedes-Benz is available as an accessory.
It permits the charging of the battery in its
installed position. Contact an authorized
Mercedes-Benz Center for further
informatio nand availability. Read the battery
charger's operating instructions before
charging the battery. 282
Battery (vehicle)Breakdo
wn assis tance

R
If the battery is fully discharged, leave the battery that is being used to jump-start connected
for a few minutes before attempting to start. This charges the empty battery a little.
R Make sure that the two vehicles do not touch.
Make sure that:
R the jumper cables are not damaged.
R bare parts of the terminal clamp do not come into contact with other metal parts while the
jumper cables are connected to the battery.
R the jumper cables cannot come into contact with parts such as the V-belt pulley or the fan.
These parts move when the engine is started and while it is running.
X Secure the vehicle by applying the electric parking brake.
X Shift the transmission to position P.
X Turn the SmartKey to position 0in the ignition lock and remove it.
X Switch off all electrical consumers (e.g. radio, blower, etc.).
X Open the hood (Y page 260).Positio
nnumber Bidentifies the charged battery of the other vehicle or an equivalen tjump-
starting device.
X Press together cover :of positive clamp ;and slide it back.
X Connect positive terminal ;on your vehicle to positive terminal =of donor battery B
using the jumper cable, beginning with your own battery.
X Start the engine of th edonor vehicle and run it at idling speed.
X Connect negative terminal ?of donor battery Bto ground point Aof your vehicle using
the jumper cable, connecting the jumper cable to donor battery Bfirst.
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 Aand negative terminal ?, then from
positive terminal ;and positive terminal =, each time beginning at the contacts on your
own vehicle first. 284
Jump-startingBreakdown assistance

Before changing a fuse
X Secure the vehicle against rolling away
(Y page 141).
X Switch off all electrical consumers.
X Turn the SmartKey to position 0in the
ignition lock and remove it (Y page 127).
All indicator lamps in the instrument cluster
must be off.
The fuses are located in various fuse boxes:
R Fuse bo xinthe engine compartmentont he
left-hand side of the vehicle, when viewed
in the direction of travel
R Fuse box in the front-passenger footwell
The fuse allocation chart is on the fuse box in
the front-passenger footwell (Y page 288).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.
X Remove any existing moisture from the
fuse box using a dry cloth.
X To open: open clamps ;.
X Fold up cover :in the direction of the
arrow and remove it. X
To close: check whether the seal is seated
correctly in cover :.
X Insert cover :at the back into openings
= on the fuse box.
X Fold down cover :.
X Hook clamps ;into the fuse box and
close.
X Close the hood. Fuse box in the front-passenger
footwell
X
To open: remove the floormat from the
front-passenger side.
X Fold out perforated floor covering :in the
direction of the arrow. 288
FusesBreakdown assistance