#
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 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 first.
#
After removing the jumper cable/charging
cable, close cover
1
of positive clamp
2
.
Further information can be obtained at a quali‐
fied specialist workshop.
Replacing the 12 V battery
#
Observe the notes on the 12 V battery
(
/
page 273).
Mercedes-Benz recommends that you have the
12 V battery replaced at a qualified specialist
workshop, e.g. at an authorized Mercedes-Benz
Center.
Observe the following notes if you want to
replace the battery yourself:
R
Always replace a faulty battery with a battery
which meets the specific vehicle require‐
ments.
The vehicle is equipped with a fleece battery.
Full vehicle functionality is only guaranteed
with a fleece battery. For safety reasons,
Breakdown assistance 277
Содержание A 220 4MATIC 2021
Страница 8: ...Left hand drive vehicles 6 At a glance Cockpit...
Страница 11: ......
Страница 12: ...Instrument Display standard 10 At a glance Indicator and warning lamps standard...
Страница 14: ...Widescreen Cockpit Instrument Display 12 At a glance Indicator and warning lamps Widescreen Cockpit...
Страница 16: ...14 At a glance Overhead control panel...
Страница 18: ...16 At a glance Door operating unit and seat adjustment...
Страница 20: ...18 At a glance Emergencies and breakdowns...
Страница 426: ......