Mercedes-Benz A-Class Operator's Manual page 285

A A ut utomatic tr omatic transmission: ansmission: The transmission is in
R
position j.
The vehicle and all electrical consumers are
R
switched o .
The hood is open.
R
Slide cover 1 of positive clamp
#
jump-starting connection point in the direction
of the arrow.
Connect positive clamp
#
the positive pole of the donor battery using
the jumper cable/charging cable. Always
begin with positive clamp
vehicle rst.
Dur During st ing star arting assist ting assistance:
#
the donor vehicle and run at idle speed.
Connect the negative pole of the donor bat-
#
tery and ground point
by using the jumper cable/charging cable.
Begin with the donor battery rst.
During st Dur ing star arting assist ting assistance:
#
your own vehicle.
Dur During t ing the c he char harging pr
#
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
consumer on your own vehicle, e.g. the rear
window heater or lighting.
2 on the
When the starting assistance/charging process is
complete:
2 on your vehicle to
#
2 on your own
ance: start the engine of
#
3 of your own vehicle
Further information can be obtained at a quali ed
specialist workshop.
ance: start the engine of
R R eplacing t eplacing the 12 V batt
#
ging process: ocess: start the charg-
ance: let the engines run
Mercedes-Benz recommends that you have the
12 V battery replaced at a quali ed specialist
workshop, e.g. at an authorized Mercedes-Benz
ance: before disconnect-
Center.
Breakdown assistance 283
First, remove the jumper cable/charging cable
from ground point 3 and the negative pole of
the donor battery, then from positive clamp
2 and the positive pole of the donor battery.
Begin each time with the contacts on your
own vehicle rst.
A er removing the jumper cable/charging
cable, close cover 1 of positive clamp 2.
he 12 V battery ery
Observe the notes on the 12 V battery
( page 280).
/
283