Mercedes-Benz A 220 4MATIC 2021, Operator'S Manual

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* NOTE Damage caused by numerous or
extended attempts to start the engine
Numerous or extended attempts to start the
engine may damage the catalytic converter
due to non-combusted fuel.
#
Avoid numerous and extended attempts
to start the engine.
Observe the following points during starting
assistance and when charging the battery:
R
Only use undamaged jumper cables/charg‐
ing cables with a sufficient cross-section and
insulated terminal clamps.
R
Non-insulated parts of the terminal clamps
must not come into contact with other metal
parts while the jumper cable/charging cable
is connected to the battery/jump-start con‐
nection point.
R
The jumper cable/charging cable must not
come into contact with any parts which may
move when the engine is running.
R
Always make sure that neither you nor the
battery is electrostatically charged.
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
For starting assistance, only use batteries
with a nominal voltage of 12 V.
R
The vehicles must not touch.
R
Gasoline engines: Only accept starting
assistance 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.
276 Breakdown assistance