R
Keep away from fire and open flames.
R
Do not lean over the battery.
Observe the additional following points when
charging the battery:
R
Only use battery chargers tested and
approved for Mercedes-Benz.
R
Read the battery charger's operating instruc‐
tions before charging the battery.
Observe the additional following points during
starting assistance:
R
Starting assistance may only be provided
using batteries with a nominal voltage of
12 V.
R
The vehicles must not touch.
R
Gasoline engine: Only accept starting assis‐
tance if the engine and exhaust system are
cold.
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‐
Breakdown assistance 283
Summary of Contents for A-Class 2020
Page 7: ......
Page 8: ...Left hand drive vehicles 6 At a glance Cockpit ...
Page 10: ...Q Electric parking brake 155 R Light switch 112 8 At a glance Cockpit ...
Page 11: ......
Page 12: ...Instrument Display standard 10 At a glance Warning and indicator lamps ...
Page 14: ...12 At a glance Overhead control panel ...
Page 16: ...14 At a glance Door control panel and seat adjustment ...