Mercedes S-Class W-140

1991-1999 of release

Repair and operation of the car



Mercedes S-Class
+ Mercedes-Benz cars of the class S (W-140)
+ Operation manual
+ Routine maintenance
+ Engine
+ Cooling systems, heating
+ Power supply system and release
+ Engine electric equipment
+ Gear shifting box
+ Automatic transmission
+ Coupling
+ Brake system
+ Suspension bracket and steering
+ Body
- Onboard electric equipment
   Specifications
   Diagnostics of malfunctions of onboard electric equipment - the general information
   Check of the electric motor of a screen wiper
   Check of the warmed back glass
   Replacement of glow lamps
   Electric safety locks
   Installation of electric and electronic devices
   Arrangement of the basic electric elements of system of electric equipment of a body of the car
   + Schematic diagrams of electric equipment






Arrangement of the basic electric elements of system of electric equipment of a body of the car

The arrangement of the basic electric elements of system of electric equipment of a body of the car is presented on accompanying illustrations.

The module of management of anticreeping system (on the right in the luggage compartment)

The module of management of antistrange system (ESP)/sensitive to the speed of the movement GUR (in the right back corner of a motive compartment in the assembly block of the module of management)

The module of management of the traction control system (ASR)/sensitive to the speed of the movement GUR (in the right back corner of a motive compartment in the assembly block of the module of management)

The module of management of heating of front seats (under the right back seat, - do not mix with the module of management of heating of back seats, - check on an electrical wiring plait)

The module of management of heating of back seats (under the right back seat, - do not mix with the module of management of heating of front seats, - check on an electrical wiring plait)

The control unit of adjustment of seats (under a driver's seat, - the bottom view)

The control unit of adjustment of the direction of optical axes of headlights (in a foot well of the forward passenger)

The module of management of system of running fires of daylight (DRL) (in a passenger foot well, on the right wall of console assembly)

The module of management of systems of additional safety (SRS) (in front under the central console

The module of management of system of the help at the parking (Parktronic) (under a pillow of the right back seat, under the module of management of distribution of air of the automatic damping system (ADS), - it is not visible in a picture)

The module of management of transmission (TCM) (in the right back corner of a motive compartment)

The module of management of the remote device of the uniform lock (on the right in the luggage compartment)

The module of control of the pneumatic equipment (PSE) (under the right back seat in a foam sealant)

The control unit of the drive and heating of mirrors, adjustments of a steering column (in a foot well of the forward passenger)

The block of valves of switching (under the dashboard in a passenger foot well)

The module of management of anticreeping system of an identification of the driver (under a combination of devices on a basic arm of a steering column)

The module of management of system of admixture of air in an exhaust (AIR) (from below in the left forward corner of a motive compartment, from the inside of the left longeron)

The module of engine management (ECM ME-SFI) (in the right back corner of a motive compartment, in the assembly block of the module of management)

The module of control of the comfort equipment (on the right in the luggage compartment)

The main assembly block of safety locks (in the left back corner of a motive compartment, in the left component compartment)

The back assembly block of safety locks (on the right in the luggage compartment)

The assembly block of safety locks (in the left back corner of a motive compartment, in the left component compartment, includes the main assembly block)

The relay of blocking of a starter (in the left back corner of a motive compartment, in the left component compartment, in the assembly block of safety locks)

The horn relay (in the left back corner of a motive compartment, in the left component compartment, in the assembly block of safety locks)

The comfort equipment relay (in the left back corner of a motive compartment, in the left component compartment, in the assembly block of safety locks)

The relay of high pressure / the returnable pump (in the left back corner of a motive compartment, in the left component compartment, in the assembly block of safety locks)

The relay of a heater of back glass (on the right in the luggage compartment, behind the assembly block of safety locks)

The relay of the fuel pump (on the right in the luggage compartment, behind the back assembly block of safety locks)

The relay of a faroochistitel (in the left back corner of the luggage compartment, in the left component compartment, in a back part of the assembly block of safety locks)

Driving electric motor of the fan of the air conditioning system (in the right part of a motive compartment, under a cover)

Driving electric motor of the fan of a back heater (in a back part of forward section of the central console)

Driving electric motor of a window regulator of a driver's door (in a frame tear up)

The electric drive of adjustment of the right back seat (under a pillow, it is fixed on a seat frame)

Driving electric motor of adjustment of a steering column (at the left under the dashboard, on a steering column)

Driving electric motor of adjustment of height of provision of a driver's seat (under a seat, - the bottom view)

Driving electric motor of adjustment of provision of a driver's seat in the longitudinal direction (under a seat, - the bottom view)

Driving electric motor of adjustment of provision of a pillow of a driver's seat in the longitudinal direction (under a seat, - the bottom view)

Driving electric motor of a screen wiper (in the left back corner of a motive compartment, on a back partition under a plastic cover, - in a picture it is uncovered)

Driving electric motor of a sun-protection blind of back glass (at the left above in the luggage compartment, in the back shelf, in a picture it is not visible, located directly over the specified point)

Electromagnet of adjustment of seat belts (comfortable function) (in interior of the car, in the basis of the left rack In)

Fuse of a side safety cushion (in a frame of a driver's door)

Fuse of a pyrotechnic natyazhitel of a seat belt (in interior of the car, in the basis of the left rack In)

The sensor of the left safety cushion (under a driver's seat, in a forward part of a frame)

The right forward body sensor of acceleration (in the right back corner of a motive compartment, in front of the assembly block of the module of management)

Acceleration sensor, the right back

The left forward body sensor of acceleration (in the left part of a motive compartment on a mudguard of an arch of the left wheel)

The sensor of cross accelerations of ABS (in interior of the car, in the center under a back seat, near a tunnel of the transmission line)

The sensor of an angle of rotation of a steering wheel (from above on a steering column, under a steering wheel)

The sensor switch of activation of the kickdown mode (in a driver's foot well, under the accelerator pedal)

The sensor of brake pressure of antistrange system (ESP) (in an arch of the left forward wheel, in a wing under an external molding)

The roving sensor (in the left forward corner of the luggage compartment, under the back shelf)

The parking sensor (in the left corner of a front bumper)

The rain sensor (in interior of the car, on the center of a windshield, it is built in assembly of the loudspeaker/sensor of a mirror)

The sensor switch of the parking brake (at the left above in a driver's foot well, on an arm of a pedal of the parking brake)

The door sensor switch (in an aperture of a driver's door, from below on a rack And)

The cowl sensor switch (in the right forward corner of a motive compartment, under a lock latch on a radiator casing)

The thermoswitch of heating snuffled windscreen washer (in the left back corner of a cowl under a cover)

Siren of the anticreeping alarm system (in the left forward corner of a motive compartment, behind a block headlight)

Lamp of illumination of a threshold of a driver's door (bottom edge of a door)

The infrared sensor of a cover of the luggage compartment (on the back panel, near the castle cylinder)

Infrared receiver of a driver's door. In a back part of the external handle of a door

The rotary toggle-switch / microswitch of a trunk lid (in the luggage compartment, it is built in assembly of a latch of the lock)

Horn horns, - Coupet's models (in the central part of the panel of a front, ahead of a radiator, - two horns)

The left horn of a horn, - the Sedan models (under the car, in the left forward corner of a motive compartment, under a block headlight, - the right horn is symmetrized)

The left fog light (it is built in in a front bumper)

The amplifier of the audio system (at the left in the luggage compartment)

CD changer (in the left part of the luggage compartment, on a frame beam)

The automatic antenna (radio receiver/phone) (in the left part of the luggage compartment, - the mast of the antenna moves forward from the left back wing)

Loudspeaker of a driver's door (in the panel of finishing of a door)

The transceiver of the cell phone (in the left part of the luggage compartment)

Low-frequency loudspeaker of a driver's door (in assembly of a door, under the upholstery panel)

The module of voice-activated control of the cell phone (at the left in the luggage compartment)