Mercedes-Benz Mercedes-AMG SL Roadster 2023 Operator's Manual page 547

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When connecting and disconnecting the bat-
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tery, always observe the sequence of battery
terminals described.
Observe the additional following points when
charging the battery:
Only use battery chargers tested and
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approved for Mercedes-Benz.
Read the battery charger's operating instruc-
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tions before charging the battery.
Observe the additional following points during
starting assistance:
Starting assistance may only be provided
R
using vehicles, batteries or other jump start
devices with a nominal voltage of 12 V.
The vehicles must not touch.
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Take care to connect only battery terminals of
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identical polarity.
Observe the sequence described for connect-
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ing and disconnecting the jump leads.
Vehicles with a petrol engine: jump-start the
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vehicle only when the engine and exhaust sys-
tem are cold.
Starting assistance and charging the 12 V battery
Requirements
The vehicle is secured with the electric park-
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ing brake.
Vehicles with automatic transmission: the
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transmission is in position j.
The vehicle and all electrical consumers are
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switched off.
The bonnet is open.
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Open cover 1.
#
F232 0017 02
Breakdown assistance 545
Example: engine compartment
Slide cover
3
of positive contact
#
jump-starting connection point in the direction
of the arrow.
Connect positive contact
2
#
to the positive terminal of the donor battery
using the jump lead/charging cable. Always
2
on the
on your vehicle

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