Power electrical equipment Mercedes E-Class (W210)

Battery — General Description
Fig. 9.1. Battery location under the rear seat on the right side in the T-model (station wagon) similar to the arrangement in the sedan: 1 – battery; 2 – negative...

Starter — design description
Fig. 9.3. Starter device: 1 – body with winding; 2 – bearing housing; 3 – drive lever; 4 – traction relay; 5 - anchor; 6 – freewheel clutch; 7 – housing cover; 8 – brush...

Generator — design description
Fig. 9.4. Generator device: 1 – belt drive pulley; 2 – fan; 3 – Generator support cover on the drive side; 4 – stator; 5 – connecting bolt; 6 – rotor with slip rings; 7...

Checking the electrolyte level in the battery, servicing the contacts
The battery is located under the rear seat on the right side. It does not require maintenance. However, it is necessary to regularly check the level of electrolyte,...

Checking the battery charge
If, despite a sufficient electrolyte level, the battery does not provide the required power, its charge should be checked. It is best to use a hydrometer for this. The...

Measuring battery voltage
1. If the last time the battery was charged was less than 6 hours ago, turn on the low beam for 30 seconds to allow the peak voltage to drop during charging. Fig. 9.6....

Starting the engine from an external power source
To connect a charged and discharged battery, special wires should be used. In this case, the car's electronic devices will be protected from dangerous voltage surges....

Charging the battery
The removed battery should be charged once a month using a charger. Completely discharged batteries can freeze and burst in the cold, while charged ones tolerate the...

Removal the battery
Before removing the battery, make sure you have recorded the radio code to protect against theft. Removing the battery erases the memory of all electronic storage...

Detection of a faulty consumer
If a battery that worked properly the day before stops producing current, it may have been discharged overnight by a faulty consumer in the circuit. To check, first...

Checking the voltage regulator
Sequence of works 1. Connect the multimeter between the positive terminal of the generator (red wire) and "mass". 2. Let the engine run for two minutes at 3000–4000...

Possible battery malfunctions, their causes and solutions
Possible battery malfunctions, their causes and solutions

Removal the generator
Sequence of works 1. Remove the cable from the negative terminal of the battery. Warning! When the battery is disconnected, the memory is erased (for example radio code)...

Removal and installation the starter
Starter failure can be caused by several reasons, such as jamming or wear of the traction relay or brushes, wear of bearings. It is better to refuse to repair a faulty...

Possible starter malfunctions, their causes and solutions
Possible starter malfunctions, their causes and solutions

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W210 (1996-2002)

W124 (1984-1995)