Mercedes-Benz GLE 2022 Operator's Manual page 646

644 Breakdown assistance
Avoid numerous and extended attempts
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to start the engine.
Observe the following points during starting assis-
tance and when charging the battery:
Only use undamaged jump lead/charging
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cables with a sufficient cross-section and
insulated terminal clamps.
Non-insulated parts of the terminal clamps
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must not come into contact with other metal
parts while the jump lead/charging cable is
connected to the battery/jump-start connec-
tion point.
The jump lead/charging cable must not come
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into contact with any parts which may move
when the engine is running.
Always make sure that neither you nor the bat-
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tery is electrostatically charged.
Keep away from fire and naked flames.
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Do not lean over the battery.
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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
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using vehicles, batteries or other jump start
devices with a nominal voltage of 12 V.
The vehicles must not touch.
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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.
F167 0009 02
The vehicle and all electrical consumers are
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switched off.
The bonnet is open.
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Example: engine compartment
Slide cover 1 of POSITIVE contact
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jump-starting connection point in the direction
of the arrow.
2 on the