Vehicle starting and charging system Mercedes E-Class (W124)

Technical characteristics of the starting and charging system
System type 12 volts, negative terminal connected to car body Battery Capacity: – models with petrol engines 62 Ah – models with diesel engines 74 or 100 Ah State of...

General information about the starting and charging system
The electrical equipment of the engine includes the ignition, charging and starting systems. Since these systems are related to the engine, they are considered...

Battery Care Rules
If you want to keep your battery in good working order for as long as possible, follow these guidelines: when the engine is not running, turn off all electrical devices...

Checking the battery
The density of the electrolyte in the battery must be checked every 3 months in order to determine the load capacity of the battery. The test is carried out with a...

Charging the battery
Charging the battery must be done with the battery removed from the vehicle. Charge the battery with a charging current of 0.1 of the battery capacity until the density...

Battery — Removal and Installation
Removal Location of screws securing battery terminals Location of battery mounting bolt 1. Loosen the clamp and remove the negative battery terminal. 2. Remove the...

Charging system
If the battery charge indicator lamp does not light when the ignition is turned on, check the wiring to the generator and the integrity of the indicator lamp. If the...

Generator — removal and installation
On all models, the alternator is mounted on the right front side of the engine and is driven by an auxiliary drive belt. On 4-cylinder and 6-cylinder SOHC gasoline...

Replacing the voltage regulator unit and brush holder
Location of the screws securing the voltage regulator unit and brush holder Removal the voltage regulator unit and brush holder 1. Remove the generator. 2. Place the...

Engine starting system
If the starter does not work in the "engine start" key position, the following reasons are possible: The battery is faulty. Open circuit between the ignition switch,...

Starter — removal and installation
On all models, the starter is bolted to the clutch housing on the left rear of the engine. The starter can be accessed from underneath the vehicle. On diesel models with...

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W210 (1996-2002)

W124 (1984-1995)