Models 463.323 (M612)
CDI Control Module Installation Details on Models 463.323 (M612) (1 of 2)
1, 3 - Nuts; 2 - Screw; 4 - Support bracket; 5 - Connector; N3/9 - CDI Control Module
CDI Control Module Installation Details on Models 463.323 (M612) (2 of 2)
6, 7, 8, 9 — Connectors
11 - Screw
1. On models with the corresponding configuration (code ET2), activate the service mode of the TELE AID emergency call system (see Section Activation/deactivation of the service mode of the TELE AID emergency call system).
2. Turn on the booster battery and connect it to the regular battery, then disconnect the negative cable from the latter and insulate the pole terminal. If the battery is removed from the car, also disconnect the positive cable from it.
7 - Auxiliary battery
8 — Positive wire terminal of the module
9 — Terminal of the negative wire of the module
W10 - Battery ground
3. Remove the carpet panel in the right front footwell.
4. Without disconnecting the electrical wiring, remove the front signal sensing and activation module (SAM) (see Chapter On-board electrical equipment).
5. Remove the nut (1).
6. After unscrewing the screws (2), remove the bracket (5).
7. Loosen the nuts (3) and disconnect the connectors (5, 6, 7, 8 and 9), - do not forget to release the clamps where they are provided.
8. Remove the CDI control module (N3/9) from the instrument panel by pushing it down and back.
9. Remove the bolts (11) and separate the module from the support bracket (4).
10. Installation is carried out in the reverse order - if the corresponding configuration (code ET2) is installed, deactivate the service mode of the TELE AID system (see Section Activation/deactivation of the service mode of the TELE AID emergency call system).
11. Finally, read the DTC codes and clear the on-board diagnostic system memory (see Chapter Engine electrical systems).
Models 463.333 (M628)
CDI Control Module Installation Details on 463.333 (M628) Models (1 of 2)
1, 3 - Nuts
2 - Screw
4 - Support bracket
N3/9 — CDI Control Module
CDI Control Module Installation Details on 463.333 (M628) Models (2 of 2)
5, 6, 7, 8, 9,10 — Connectors
11 - Screw
1. On models with the corresponding configuration (code ET2), activate the service mode of the TELE AID emergency call system (see Section Activation/deactivation of the service mode of the TELE AID emergency call system).
2. Turn on the booster battery and connect it to the regular battery, then disconnect the negative cable from the latter and insulate the pole terminal. If the battery is removed from the car, also disconnect the positive cable from it.
7 - Auxiliary battery
8 — Positive wire terminal of the module
9 — Terminal of the negative wire of the module
W10 - Battery ground
3. Remove the carpet panel in the right front footwell.
(Article based on data from the website MERCEDESMAN)
4. Without disconnecting the electrical wiring, remove the front signal sensing and activation module (SAM) (see Chapter On-board electrical equipment).
Note: The SAM module is removed as an assembly with the fuse/relay mounting block.
5. Remove the nut (1).
6. Remove the screws (2).
7. Remove the nuts (3).
8. Disconnect the connectors (5, 6, 7, 8, 9 and 10), - do not forget to release the clamps where they are provided.
9. Remove the CDI control module (N39/2) from the instrument panel by pushing it down and back.
10. Remove the bolts (11) and separate the module from the support bracket (4).
11. Installation is carried out in the reverse order - if the corresponding configuration (code ET2) deactivate the service mode of the TELE AID system (see Section Activation/deactivation of the service mode of the TELE AID emergency call system).
12. Finally, read the DTC codes and clear the on-board diagnostic system memory (see Chapter Engine electrical systems).