Charging and starting system Mercedes S-Class (W140)

Charge and launch systems — general information
Battery location (G1). In the trunk, in the spare wheel well, on the right All vehicles covered in this manual have a 12V electrical system. The ground connection is...

Battery — basic information, disconnection and purchase of a new battery
Note. See also Section Battery check, care and charging Chapters Current service The installed 12V battery consists of six jars containing positive and negative plates,...

Checking and charging the battery
Note. See also Section Battery check, care and charging Chapters Current service . Low maintenance battery If the annual mileage of the car is low, the density of the...

Storage of the battery
If the car has not been used for more than two months, the battery must be removed and charged. The optimum battery storage temperature is between 0 and +27°C. At these...

Charging system — general information and safety measures
The vehicle has an alternator. When installing additional electrical equipment, make sure that the generator has enough power to power this equipment. The generator is...

Checking the charging system
If you find a malfunction in the charging system, a generator malfunction cannot be the only reason. Perform the following checks: a) Inspect the drive belt to make sure...

Generator Installation Details
Alternator installation details on 6-cylinder petrol engines 1, 2 - Wires; 3 - Bolts; G2 - Generator Alternator installation details on 8-cylinder petrol engines 1, 2 -...

Engine starting system — general information and precautions
General information The sole purpose of the engine starting system is to ensure that the engine rotates at a speed sufficient to start. The starting system consists of a...

Checking the engine start system
Note. Before testing, make sure the battery is fully charged and the anti-theft system is not activated. If the vehicle is equipped with an automatic transmission and...