Mercedes-Benz GL-Class: Charging the batter - Battery - Breakdown assistance - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: Charging the batter

WARNING Never charge a battery still installed in the 
Never charge a battery still installed in the vehicle unless a battery charger unit approved by Mercedes-Benz is being used. Gases may escape during charging and cause explosions that may result in paint damage, corrosion or personal injury.
A battery charger unit specially adapted for Mercedes-Benz vehicles and tested and approved by Mercedes-Benz is available as an accessory. It permits the charging of the battery in its installed position. Contact an authorized Mercedes-Benz Center for further information and availability.
Charge the battery in accordance with the separate instructions for the battery charger.

WARNING There is a risk of acid burns during the 
There is a risk of acid burns during the charging process due to the gases which escape from the battery. Do not lean over the battery during the charging process.

WARNING Battery acid is caustic. Avoid contact with the 
Battery acid is caustic. Avoid contact with the skin, eyes or clothing.

battery charger which has been tested and Only charge the installed battery with a battery charger which has been tested and approved by Mercedes-Benz. These battery chargers allow the battery to be charged while still installed.

maximum charging voltage of 14.8 V. Only use battery chargers with a maximum charging voltage of 14.8 V.

connection point. Only charge the battery using the jumpstarting connection point.

The jump-starting connection point is in the engine compartment.

► Open the hood.
► Connect the battery charger to the positive terminal and earth point in the same order as when connecting the donor battery in the jump-starting procedure.
► Read the battery charger's operating instructions before charging the battery.

    Important safety notes
    In order for the battery to achieve the maximum possible service life, it must always be sufficiently charged. Have the battery checked regularly at a qualified specialist workshop, such as an ...

    Jump-starting
    WARNING   Failure to follow these directions will cause damage to the electronic components, and can lead to a battery explosion and severe injury or death. Never lean over batteries wh ...

    See also:

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    Precautions when starting and driving
    WARNING ► Do not leave children or adults who would normally require the support of others alone in your vehicle. Pets should not be left alone either. They could accidentally injure ...