Removing control modules from control module box - AR54.20-P-1257-01A

Model 210 

Multifunction control module (N10-1) and transmission control module (TCM), 5-speed automatic, N15/1 or transmission control module (ETC, N15/3) 

1. Pull slide catch for connector for windshield wiper and blower motor control module box (2) up and disconnect connector from multifunction control module (N10-1).
2. Open connector (2) and separate coding section for connecting blower motor and control module box from connector.
3. Pivot locking tab (1) up and pivot connector for multifunction control module (N10-1) to side and remove control module from control module box guides.

   The connector for the multifunction control module (N10-1) is mounted on the bottom of the control module box so that it can pivot. Pivot connector to side so that control module can be pulled out upward without resistance.

4. Disconnect connectors from 5-speed automatic transmission control module (ETC, N15/1) or transmission control module (ETC, N15/3) and remove control module.
   Fig 1: Identifying Multifunction Control Module, Transmission Control Module And Blower Motor Control Module Box

   Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Injection system control module (N3), depending on version: IFI control module (N3/7), DFI control module (N3/8), engine control module (HFM-SFI) (N3/4), CDI control module (N3/9), engine control module (ME-SFI) (N3/10) and traction systems control module (N47) 

The CFI control module (N3) and traction system control module (N47) are mounted on one bracket (5) and must always be removed together.

1. Release connector (3) on CFI control module (N3).
2. Pivot connector (3) to side until the multipoint male connector is released from the CFI control module (N3).
3. Pull sliding lock (located below lead entrance) on both connectors (4) on traction systems control module (N47) out to stop and remove connectors.
4. Unscrew screw (7) and pull mount (5) together with the two control modules up and out of control module box guides.
   Fig 2: Identifying Injection System Control Module And Traction Systems Control Module

   Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Relay module (K40) 

1. Remove connectors (8) from relay module (K40).
2. Press clamping spring (9) to side and remove relay module from control module box.
   Fig 3: Identifying Relay Module, Connector And Clamping Spring

   Courtesy of MERCEDES-BENZ OF NORTH AMERICA.