Mercedes M-Class W163

since 1997 release

Repair and operation of the car



Mercedes W163
+ Mercedes-Benz cars of a class M (W163)
+ Governing bodies and methods of safe operation
+ Current leaving and service
+ Engine
+ Cooling systems, heating and air conditioner
+ A power supply system and production of the fulfilled gases
+ Systems of electric equipment of the engine
+ Manual box of gear shifting
+ Automatic transmission
+ Transmission line
+ Brake and auxiliary systems
+ Suspension bracket and steering
+ Body
- Onboard electric equipment
   General information and precautionary measures
   Search of causes of failures of electric equipment
   Safety locks - the general information
   Chain breakers - the general information
   The relay - the general information and check of serviceability of functioning
   Digital tire of data of CAN
   - Assembly blocks, elements of control systems
      Removal and installation of assembly blocks
      Removal and installation of modules of management
      Removal and installation of the adapter of the tire of CAN
   + Dashboard, switches, traveling computer
   + Driving electric motors
   + Alarm and lighting fixtures, sensors of a rain and temperature of external air
   + Systems of additional safety (SRS)
   + Audio system
   + Schemes of electric connections



Assembly blocks, elements of control systems

Removal and installation of assembly blocks

Main assembly block of safety locks/relays/modules of management

Details of installation of the main assembly block

Details of installation of the main assembly block


 PERFORMANCE ORDER

  1. The main assembly block is located in the left part of a motive compartment and consists of two separate sections: sections of safety locks/relay and section of modules of management. Details of installation of the main assembly block are shown on illustrations to which all references which are found in the text belong.
  2. Open a cowl and record it in vertical position.
  3. Disconnect a negative wire from the battery.
  4. Release clamps and uncover section of safety locks (1), - check a condition of sealing laying, in case of need make its replacement.
  5. Turn out fixing screws (3) and uncover section of modules of management (2), - in case of need replace laying.
  6. Turn out screws (4) and, having lifted up, release the holder of safety locks/relay (5).
  7. Having released clamps and having turned out fixing screws, disunite contact sockets of an electrical wiring, and finally remove the holder, - sockets of the holder have the asymmetric design defining unambiguity of their connection.
  8. Remove modules of management of system of injection of fuel (ME-SFI) and traction control system (ETS/ESP) (see the Section Removal and installation of modules of management).
  9. Turn out screws (6).
  10. Disconnect an electrical wiring from an electric motor (M2/2) of the fan of an obduv of section of modules of management.
  11. Release from the module of safety locks and the relay (F1) and take away for the assembly block an electrical wiring plait assembled with the basic arm.
  12. Uncover under the dashboard at the left, disconnect from the lever and release from the assembly block assembly of a driving cable of an otpuskaniye of a latch of the lock of a cowl (13).
  13. Give fixing nuts (8).
  14. Disunite contact sockets of the electrical wiring passing through the module of safety locks/relay and are not connected to a connecting block in the last.
  15. Delay a plait of an electrical wiring back and release from basic arms on the assembly block glass washing liquid supply hoses.
  16. Remove the tank of the washing liquid (see the Head Kuzov).
  17. Remove the main assembly block.
  18. Installation is made upside-down.

Removal and installation of the saloon assembly block of safety locks and relay

Details of installation of the saloon assembly block


 PERFORMANCE ORDER

  1. Details of installation of the saloon assembly block in a passenger foot well are shown on an illustration to which all references which are found in the text belong.
  2. Uncover under the dashboard on the right, and also the side panel of finishing of a passenger foot well (see the Head Kuzov).
  3. Disconnect from the assembly block (F2) of safety locks/relay in a foot well cables of contours 30 (1) and 15R (2).
  4. Remove hummock bindings (4), - try not to damage electrical wiring plaits.
  5. Disunite and remove from a rack And the contact socket (5), - release a fixing nut from the back party of the socket and wring out the last forward.
  6. Disunite the contact socket (6).
  7. Release a fastening nut to a rack And tires of grounding (W29/2) and disconnect from weight a cable (3) contours 31.
  8. Give plastic nuts (7) and take the saloon assembly block of safety locks and the relay (F2) from the right forward skin well.
  9. Installation is made upside-down, - track correctness of calcination of an electrical wiring.