The battery on all M-Class models is located in the right rear corner of the engine compartment
1 - Ground wire; 5 - aika; G1 - Battery; W16 / 4 - Body assembly ground outlet
All vehicles covered in this manual have a 12V electrical system. The ground connection is through the negative battery terminal. The battery is placed in the engine compartment.
The starter is used to start the engine. The starter switch is an integral part of the ignition switch and, when turned on, energizes the traction relay installed on the starter.
The charging control lamp built into the instrument panel indicates the perfect operation of electrical equipment while the battery charge is normal.