Power electrical devices Mercedes S-Class (W116)

Electrical equipment — general information
All vehicles mentioned in this section are equipped with 12 V electrical equipment. The negative terminal of the battery is connected to ground. The battery is located...

Accumulator battery
Battery voltage 12 V, nominal capacity 55 or 65 Ah. The battery consists of 6 cells, each with positive and negative plates. The cells are filled with an electrolyte...

Safety precautions when working on the generator
Read the following section before working on the generator. Before doing any work on the generator, remember the following safety precautions: Never disconnect the...

Checking the generator on the car
When the vehicle is moving under normal conditions, the charge control lamp does not light up. If the control lamp is on while driving, it is necessary to check the...

Removal and installation of the generator
Disconnect the ground wire from the battery. Disconnect the plug on the rear side of the generator and unscrew the wire fasteners. Loosen the alternator drive V-belt as...

Generator repair
Some experience is required to install or repair a generator and its associated regulator. In the event of a generator failure, a replacement unit must be provided in...

Check, removal and installation of a starter
Examination To test the starter with a fully charged battery, connect the terminals "30" (large terminal) And "50" (small wire next to large terminal) wire with a cross...

Disassembly and assembly of the starter
On fig. 274 shows a section of a typical Bosch starter. Unscrew the screws securing the traction relay on the front side, disengage the drive enable lever and remove the...

Electrical specifications
Electrolyte level above the upper edge of the separator or mark - 5 mm Electrolyte density at 20°С: fully charged battery - 1.28 (for the tropics 1.23) half discharged -...