Mercedes-Benz CLA Operator's Manual page 287

Example: engine compartment
Slide cover 1 of POSITIVE contact
#
jump-starting connection point in the direction
of the arrow.
Connect POSITIVE contact 2 on your vehicle
#
to the positive terminal of the donor battery
using the jumper cable/charging cable.
Always begin with POSITIVE contact
your own vehicle rst.
Dur During st ing star arting assist ting assistance:
#
the donor vehicle and run at idle speed.
Connect the negative terminal of the donor
#
battery and ground point
cle by using the jumper cable/charging cable.
Begin with the donor battery rst.
Dur During st ing star arting assist ting assistance:
#
your own vehicle.
Dur During t ing the c he char harging pr ging process:
#
ing process.
Dur During st ing star arting assist ting assistance:
#
for several minutes.
During st Dur ing star arting assist ting assistance:
#
ing the jumper cable, switch on an electrical
2 on the
consumer on your own vehicle, e.g. the rear
window heater or lighting.
When the starting assistance/charging process is
complete, perform the following steps:
First, remove the jumper cable/charging cable
#
from ground point
2 on nal of the donor battery, then POSITIVE con-
tact
battery. Begin each time with the contacts on
ance: start the engine of
your own vehicle rst.
A er removing the jumper cable/charging
#
cable, close cover
3 of your own vehi-
2.
Further information can be obtained at a quali ed
ance: start the engine of
specialist workshop.
ocess: start the charg-
R R eplacing t eplacing the 12 V batt
Observe the notes on the 12 V battery
#
ance: let the engines run
(
/
Mercedes-Benz recommends that you have the
ance: before disconnect-
12 V battery replaced at a quali ed specialist
workshop, e.g. at an authorized Mercedes-Benz
Center.
Observe the following notes if you want to replace
the battery yourself:
Always replace a faulty battery with a battery
R
which meets the speci c vehicle require-
3 and the negative termi-
ments.
Breakdown assistance 285
2 and the positive terminal of the donor
1 of POSITIVE contact
he 12 V battery ery
page 281).
285