Mercedes C-Class

W203 since 2000 of release

Repair and operation of the car


Mercedes-Benz
+ Mercedes-Benz cars of class C (W-203)
+ Operation manual
+ Routine maintenance
+ Engine
- Cooling system and heating
   + Cooling system
   - Systems of ventilation, heating and air conditioning
      Removal and installation of ventilating deflectors
      Removal and installation of electric motors of the drive of gates
      Removal and installation of the control unit of a heater and conditioner
      Removal and installation of an electric motor of the fan of a heater or conditioner
      Removal and installation of the electronic regulator of the fan of a heater or conditioner
      Removal and installation of sensors of the conditioner
+ Power supply system and release
+ Engine electric equipment
+ Manual transmission
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment


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Removal and installation of the control unit of a heater and conditioner

Removal

 PERFORMANCE ORDER

1. Disconnect a negative cable (-) of the rechargeable battery at the switched-off ignition. It is previously necessary to remove a box of the filter of air of salon.

Before a detachment of a cable find out a protective code of the radio receiver if that is available, address the Section Replacement of the Rechargeable Battery.

2. Uncover the top part of the central console, address appropriate section.

3. Disunite the socket (1) from a reverse side of a cover of the console of the control unit of a heater and the conditioner (2).

4. Press outside lock pads and disconnect the control unit (2) from a console cover.


Installation

 PERFORMANCE ORDER

1. Install the control unit on a reverse side of a cover of the console and record.
2. Join the control unit socket.
3. Establish a cover of the top part of the central console, address appropriate section.
4. Attach a cable of mass of the rechargeable battery at the switched-off ignition. Install into place a box of the filter of air of salon. If it is necessary, enter a code of the radio receiver and determine time on hours.

At installation of the new control unit it is necessary to adjust electric motors of the drive of ventilating gates on the new block. The diagnostic unit is used to this purpose.