Vehicle equipment and instruments Mercedes S-Class (W140)

General information about on-board electrical equipment
The cars of this brand are equipped with a 12-volt power supply system with grounding at the negative pole. All lighting devices and electrical units are powered by a...

Electrical Equipment Specifications
Note: Individual characteristics are also given in the text of the Chapter and, if their implementation is mandatory, are highlighted in bold. Purpose and location of...

Diagnostics of faults of on-board electrical equipment — general information
Note: Electronic control system diagnostic procedures and codes are discussed in Chapter Engine electrical equipment . A typical electrical circuit may include an...

Checking the windshield wiper motor
The windshield wiper motor is located in the water collection compartment under the windshield. To check it, you need to remove the corresponding cover. Terminal...

Checking the heated rear window
When the rear window heating is turned on, the field with visible wire lines should be cleared of covering or snow after a while. 1. If there are any faults, first check...

Replacing incandescent lamps
Precautionary measures Warning! Incandescent lamps and lamp holders can be very hot. Therefore, wait until the lighting fixture has cooled down before replacing the...

Electrical fuses
Caution! Use only MB tested and approved fuses for the required current strength! Do not repair blown fuses or install jumpers - determine the cause of the blown fuse....

Installation of electrical and electronic devices
Additional electrical or electronic devices that may affect the driver's control of the vehicle must be type approved and marked with the "e" symbol. Permission is...

Location of the main electrical components of the car body electrical system
The location of the main electrical elements of the vehicle body electrical system is shown in the accompanying illustrations. Anti-theft system control module (on the...

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TEXTHTMLBB Code

W140 (1991-1998)