Mersedes SUV Manuals

Important safety notes

Mercedes-Benz G-Class / Mercedes-Benz G-Class Owners Manual / Breakdown assistance / Battery (vehicle) / Important safety notes

Special tools and expert knowledge are required when working on the battery, e.g.

removal and installing. You should therefore have all work involving the battery carried out at a qualified specialist workshop.

Work carried out incorrectly on the battery can, for example, lead to a short circuit and damage your vehicle's electronic system. This can disrupt driving safety systems such as ABS (anti-lock braking system) or ESPЃ (Electronic Stability Program).

R If ABS malfunctions, the wheels can lock during braking. This limits the steerability of the vehicle when braking and the braking distance may increase. There is a risk of accident.

Х If ESPЃ malfunctions, the vehicle will not be stabilised if it starts to skid or a wheel starts to spin. There is a risk of accident.

You should therefore have all work involving the battery carried out at a qualified specialist workshop.

During the charging process, a battery produces hydrogen gas. If a short circuit occurs or sparks are created, the hydrogen gas can ignite. There is a risk of an explosion.

R Make sure that the positive terminal of a connected battery does not come into contact with vehicle parts.

Х Never place metal objects or tools on a battery.

Х It is important that you observe the described order of the battery terminals when connecting and disconnecting a battery.

Х When jump-starting, make sure that the battery poles with identical polarity are connected.

 RIt is particularly important to observe the described order when connecting and disconnecting the jumper cables.

Х Never connect or disconnect the battery terminals while the engine is running.

Electrostatic build-up can lead to the creation of sparks, which could ignite the highly explosive gases of a battery. There is a risk of an explosion.

Before handling the battery, touch the vehicle body to remove any existing electrostatic build-up.

Battery acid is caustic. There is a risk of injury.

Avoid contact with the skin, eyes or clothing.

Do not inhale any battery gases. Do not lean over the battery. Keep children away from batteries. Wash battery acid immediately with water and seek medical attention.

Have the battery checked regularly at a qualified specialist workshop.

Observe the service intervals in the Maintenance Booklet or contact a qualified specialist workshop for more information.

! You should have all work involving the battery carried out at a qualified specialist workshop. In the exceptional case that it is necessary for you to disconnect the battery yourself, make sure that: R you switch off the engine and remove the SmartKey. Check that all the indicator lamps in the instrument cluster are off.

Otherwise, electronic components, such as the alternator, may be damaged.

Х you first remove the negative terminal clamp and then the positive terminal clamp. Never swap the terminal clamps.

Otherwise, the vehicle's electronic system may be damaged.

Х on vehicles with automatic transmission, the transmission is locked in position P after disconnecting the battery. The vehicle is secured against rolling away.

You can then no longer move the vehicle.

The battery and the cover of the positive terminal clamp must be installed securely during operation.

Environmental note

Batteries contain dangerous

Batteries contain dangerous substances. It is against the law to dispose of them with the household rubbish. They must be collected separately and recycled to protect the environment.

Dispose of batteries in an

Dispose of batteries in an environmentally friendly manner. Take discharged batteries to a qualified specialist workshop or a special collection point for used batteries.

In order for the battery to achieve the maximum possible service life, it must always be sufficiently charged.

Comply with safety precautions and take protective measures when handling batteries.

Avoid the creation of sparks andWARNING
Avoid the creation of sparks and heat.

smoking. Creation of sparks.Avoid fire, naked flames and
smoking. Creation of sparks.

Avoid contact with the skin, eyesBattery acid is caustic.

Avoid contact with the skin, eyes or clothing.

Keep children away.Wear eye protection.

Observe this Operator's Manual.Keep children away.

The vehicle battery, like other batteries, canObserve this Operator's Manual.

The vehicle battery, like other batteries, can discharge over time if you do not use the vehicle. In this case, have the battery disconnected at a qualified specialist workshop. You can also charge the battery with a charger recommended by Mercedes- Benz. Contact a qualified specialist workshop for further information.

Explosive gases are created during charging and jump-starting.

For safety reasons, Mercedes-Benz recommends that you only use batteries which have been tested and approved for your vehicle by Mercedes-Benz. These batteries provide increased impact protection to prevent vehicle occupants from damaged in the event of an accident.

Have the battery charge level checked more frequently if you use the vehicle mainly for short trips or if you leave it standing idle for a lengthy period. Consult a qualified specialist workshop if you wish to leave your vehicle parked up for a long period of time.

Remove the SmartKey if you park the vehicle and do not require any electrical consumers. The vehicle will then use very little energy, thus conserving battery power.

If the power supply has been interrupted, e.g. due to a discharged battery, you will have to:
Х set the clock. Information on setting the clock can be found in the separate operating instructions.

On vehicles with COMAND and a navigation system, the clock is set automatically.

Х reset the head restraints on the front seats .

Х reset the function for folding the exterior mirrors in/out automatically, by folding the mirrors out once .

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