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 negative ground. All lighting fixtures and electrical units are powered by a lead-acid...
Electrical Equipment Specifications Note. Separate characteristics are also given in the text of the Chapter and, if they are mandatory, are highlighted in bold. Purpose and location of fuses Mounting...
Checking the wiper motor The wiper motor is located in the water collection area under the windshield. To check it is necessary to remove the corresponding cover. Terminal designation The motor...
Checking the heated rear window When the heated rear window is turned on, the field with visible lines of wires should be free of coating or snow after a while. 1. If there is a problem, check the fuse...
Replacing incandescent lamps Precautionary measures Warning! Incandescent lamps and lamp holders can become very hot. Therefore, before replacing the lamps, wait until the luminaire has cooled down!...
Electrical fuses Attention! Only use fuses tested and approved by MB for the required current! Blown fuses do not repair or install jumpers - determine the cause of the blown. 1. Most of...
Installation of electrical and electronic appliances Additional installed electrical or electronic devices that may affect the driver's control of the vehicle must be type approved and marked with the symbol «e»....