Power electrical equipment Mercedes E-Class (W123)
Removing and installing the battery 1. The battery is located in the engine compartment on the left side of the bulkhead. Note the position of the wires and, if present, remove the plastic cover on the...
Adding electrolyte to the battery If, with a fully charged battery, the density of the electrolyte in one of the cells is 0.040 or more lower or higher than in the others, then the reason for this may be...
Charging the battery 1. In winter conditions, when the battery operates under high loads during cold engine starts and most of the electrical equipment is constantly running, it is...
Generator Maintenance and Special Precautions Periodically clean the outer surface of the generator from dirt and check the reliability of the connector mating. At the same time check the tension of the drive belt...
Removal and installation of the generator Alternator Drive Belt Tension Adjustment Alternator slip rings 1. Disconnect the wire from the negative battery terminal. 2. Remove the air filter and, depending on the...
Checking the alternator and voltage regulator on the car To determine the cause of insufficient recharging of the battery, carry out the following test of the voltage regulator. 1. Disconnect the wire from the negative battery...
Removal, inspection and installation of generator brushes 1. Disconnect the wire from the negative battery terminal. 2. Remove the air filter and, depending on the configuration, remove the air conditioning compressor without...
Removal and installation of a starter Starter pull relay wires 1. Jack up the front of the vehicle and place it on jack stands (stand). Apply the parking brake. 2. Disconnect the wire from the negative...
Starter repair Starter failure can be caused not only by its malfunction. First of all, you should make sure that the contacts of the battery terminals and the traction relay are clean...