Mercedes S-Class W-140

1991-1999 of release

Repair and car operation



Mercedes S-Class
+ Mercedes-Benz Cars of a class S (W-140)
+ Operation manual
+ Routine maintenance
+ Engine
+ Systems of cooling, heating
+ Power supply system and release
- Engine electric equipment
   - Ignition and engine management systems - the general information
      Checks of a control system by ignition and injection
      Search of malfunctions - the general information and preliminary checks
      Check and adjustment of a corner of an advancing of ignition
      Spark plugs
      Self-diagnostics of systems of electronic control of OBD
      Diagnostics of electronic system of the automatic conditioner of air (KV)
      Oscillograph application for supervision of signals of a control system
      Ignition coils - installation details
      Removal, installation and adjustment of the sensor of provision of a camshaft (CMP)
      The ignition distributor (M119.97 engines) - installation details
   + charge and start Systems
+ gear shifting Box
+ Avtomaticheckaya transmission
+ Coupling
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment



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Ignition and engine management systems - the general information

Basic elements of system of microprocessor management

Schemes of vacuum connections and an arrangement of basic elements of control systems are presented on illustrations to the Sections Power supply system and injection of fuel of the petrol engine - the general information and System of injection of fuel of the diesel engine - the general information of Head of the Power supply system and release.

On all models, except models, except 8-cylinder, equipped the M119.97 engine uses electronic system of direct ignition without the distributor under control of ECM, based on indications of the sensor of provision of a camshaft (CMP).