A- Class Owner's Manual - Page 407

For 2019 A 220 Sedan. Also, The document are for others Mercedes-Benz models: 2019 A- CLASS

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Starting assistance and charging the 12 V
battery
Requirements:
R
The vehicle is secured with the electric park
ing brake.
R
Automatic transmission: The transmission
is in position j.
R
The ignition and all electrical consumers are
switched off.
R
The hood is open.
#
Slide cover 1 of positive clamp 2 on the
jump-starting connection point in the direc
tion of the arrow.
#
Connect positive clamp 2 on your vehicle to
the positive pole of the donor battery using
the jumper cable/charging cable. Always
begin with positive clamp 2 on your own
vehicle first.
#
During starting assistance: start the
engine of the donor vehicle and run at idle
speed.
#
Connect the negative pole of the donor bat
tery and ground point 3 of your own vehicle
by using the jumper cable/charging cable.
Begin with the donor battery first.
#
During starting assistance: start the
engine of your own vehicle.
#
During the charging process: start the
charging process.
#
During starting assistance: let the engines
run for several minutes.
#
During starting assistance: before discon
necting the jumper cable, switch on an elec
trical consumer in your own vehicle, e.g. the
rear window heater or lighting.
When the starting assistance/charging process
is complete:
#
First, remove the jumper cable/charging
cable from ground point 3 and negative
pole of the donor battery, then from positive
clamp 2 and positive pole of the donor bat
408
Breakdown assistance
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