Details of the installation of the headlight optical axis tilt adjustment drive handle
1 - Switch handle; 2 - Mounting bracket; 3 - Spacer sleeve; 4 - Bushing; 8 - Hole in the bulkhead
Details of installation of the actuator of the headlight optical axis tilt regulator
5 - Control line; 6, 7 - Bandage fixators; 9 - Executive device; 10 - Lid
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 auxiliary battery and connect it to the standard battery, then disconnect the negative cable from the latter.
7 - Auxiliary battery
8 — Positive wire terminal of the module
9 — Terminal of the negative wire of the module
W10 - Battery ground
3. Turn the hydraulic corrector drive handle (1) to the "0" position and, without rotating, remove it from the instrument panel.
4. Remove the left lower section of the instrument panel trim (see Chapter Body).
5. Remove the mounting bracket (2).
6. Remove the left instrument panel switch group (see Section Group of switches on the left side of the instrument panel).
7. Remove the steering column end cover (see Chapter Body).
8. Remove the spacer sleeve (3).
9. Remove the front decorative grille (see Chapter Body).
10. Remove the headlight (see Section Removal and installation of headlights, replacement of lamps, adjustment of the direction of optical axes).
11. Remove the front bumper (see Chapter Body).
12. Remove the wheel arch protection liner (see Chapter Body).
13. Unscrew the front mounting screws and remove the cover (10) and the rubber seal installed underneath it.
14. Remove the brake booster assembly (see Chapter Brake and auxiliary systems).
15. Open the bushing (4) and remove the foam rubber seal from it. Pull forward to remove the bushing (4).
16. On 463/323 models, remove the windshield washer fluid reservoir (see Chapter Body).
17. Release the bandages (6 and 7) and separate the control line (5) from the wheel arch panel and the radiator cross member - the bandages must be replaced without fail.
18. Push the regulator actuator (9) through the window in the front panel and remove it from the car, passing it through the holes in the bulkhead (8) and wheel arch and releasing it from the bushing (4) - try not to kink the hydraulic lines!
19. Installation is carried out in the reverse order - on models with 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).
Article based on data from the website (mercedesman.ru)
20. Finally, read the DTC codes and clear the on-board diagnostic system memory using the STAR DIAGNOSIS scanner (6511 1801 00) (See Chapter Engine electrical systems).
21. Check that the tilt of the optical axes of the headlights is adjusted correctly; if necessary, make the appropriate adjustments (see Specifications).