Mercedes S-Class W-140

In 1991-1999 editions

Repair and enterprise of the car



Mercedes S-Class
+ Mercedes Benz cars of the class S (W-140)
+ operation manual
+ Routine maintenance
+ motor
+ cooling systems, heating
+ systems of power supply and edition
+ electric equipment of the motor
+ gear shifting boxes
+ Awtomatitscheckaja transmission
+ connection
+ brake system
+ Aufhängung and management
+ Body
- Electric onboard equipment
   Specifications
   Diagnostics of defects of the electric onboard equipment - the general information
   Check of the electric motor of a screen wiper
   Check of heated back glass
   Compensation of glow lamps
   Electric protection devices
   Device of electric and electronic devices
   Arrangement of electric basic elements of system of the electric equipment of a car body
   + Schematic diagrams of the electric equipment



Electric onboard equipment

General information

Cars of the considered brand are equipped 12-woltnoj with system of power supply with grounding after a negative pole. Food all of Leuchtgeräte and electric devices is carried out from the battery of lead acid type, podsarjaschajemoj from the generator of alternating current.

This head is devoted to the description of procedures of service and repair of several components of system of the electric onboard equipment to which number to itself except as it is specifically considered below also all Leuchtgeräte do not constrain the electric accessories which are directly connected by means of the motor. Besides, procedures of diagnostics of defects of the electric equipment of the general order are considered. Information after batareje, to the generator and a starter is provided in heads Routine maintenance and the electric equipment of the motor of the management.

At execution of any works after repair and service of components of system of the electric equipment it is necessary to exclude surely meanwhile a cable of mass of the battery for prevention of receiving electro-violation of und\oder of ignition!