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  • V-Class
  • 06/2020
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Notes on the starter battery

Work on the battery, e.g. removing or installing, requires specialist knowledge and the use of special tools. Therefore, always have work on the battery carried out at a qualified specialist workshop.

WARNING Risk of an accident due to work carried out incorrectly on the battery

Work carried out incorrectly on the battery can, for example, lead to a short circuit. This can restrict functions relevant for safety systems and impair the operating safety of your vehicle.

You could lose control of the vehicle in the following situations in particular:
  • when braking

  • in the event of abrupt steering manoeuvres and/or when the vehicle's speed is not adapted to the road conditions

In the event of a short circuit or a similar incident, contact a qualified specialist workshop immediately.
Do not drive on.
Always have work on the battery carried out at a qualified specialist workshop.
  • Further information on ABS More

  • Further information on ESP®More

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

WARNING Risk of explosion due to electrostatic charge

Electrostatic charge can ignite the highly explosive gas mixture in the battery.

To discharge any electrostatic charge that may have built up, touch the metal vehicle body before handling the battery.

The highly flammable gas mixture is created while the battery is charging and when jump-starting.

Make sure that neither you nor the battery is electrostatically charged.

Electrostatic charge can occur in the following cases, for example:
  • You are wearing synthetic clothing.

  • There is friction between your clothing and the seat.

  • You drag or push the battery across a carpet or other synthetic materials.

  • You rub the battery with cloths or towels.

WARNING Danger of chemical burns from the battery acid

Battery acid is caustic.

Avoid contact with the skin, eyes or clothing.
Do not lean over the battery.
Do not inhale battery gases.
Keep children away from the battery.
Immediately rinse battery acid off thoroughly with plenty of clean water and seek medical attention immediately.
ENVIRONMENTAL NOTE Environmental damage due to improper disposal of batteries

Batteries contain pollutants. It is illegal to dispose of them with the household rubbish.

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

Observe the safety notes and protective measures when handling batteries.

  • Risk of explosion
  • Fire, naked flames and smoking are prohibited when handling the battery. Avoid creating sparks.
  • Electrolyte or battery acid is corrosive. Avoid contact with the skin, eyes and clothing. Wear suitable protective clothing, in particular gloves, an apron and a safety mask. Immediately rinse electrolyte acid splashes off with clean water. If necessary, seek medical advice.
  • Wear eye protection.
  • Keep children at a safe distance.
  • Observe these Operating Instructions.
Observe the following notes:
  • Recharge the battery more frequently in the following cases:

    • You predominantly drive short distances.

    • You predominantly drive at low outside temperatures.

    • You leave the vehicle parked for a lengthy period.

    In order for the batteries to achieve their maximum possible service life, they must always be sufficiently charged.

  • Consult a qualified specialist workshop if you wish to leave your vehicle parked up for a long period of time.

  • When you park the vehicle, remove the key if you do not require any electrical consumers. The vehicle will then use very little energy, thus conserving battery power.

  • If your vehicle requires jump-starting, or if you wish to provide jump-starting assistance to another vehicle, only use the jump-start connection point in the engine compartment More.

Installation locations
Your vehicle may be equipped with the following two batteries located in the seat base of the right-hand front seat, depending on the equipment version:
  • Starter battery

  • Support battery