Contents: Removal and installation ↡ Replacing headlight bulbs ↡ Adjusting the tilt of the optical…↡
Removal and installation
Headlight installation details
1 - Bolt; 2, 3 - Electrical wiring connectors; 3 - Nuts; 4 - Adjusting screw; 5 - Regulator; 6 - Support bracket; E1 - Left headlight; E2 - Right headlight
1. Remove the headlight cover (see Chapter Body).
2. Unscrew the bolt (2) and remove the headlights (E1/E2).
3. Disconnect the connector (2) of the low/high beam wiring.
4. Disconnect the connector (3) of the side/parking light wiring.
5. Completely unscrew the adjusting screw (4) of the headlight position regulator (5), turn the regulator to the left and remove it from the support bracket (6), - try not to allow the hydraulic line to bend.
6. Installation is carried out in reverse order.
7. Finally, check the correct installation of the optical axes of the headlights and, if necessary, make the appropriate adjustments (see below).
Replacing headlight bulbs
1 - Spring lock; 2 - Low/high beam lamp; 3 - Side/parking light bulb
1. Remove the headlight assembly (see above).
2. Remove the rubber back cover.
3. Release the spring clip and remove the low/high beam bulb (2) from the guides - try not to touch the bulb with bare hands.
4. Pull and release the side/parking light bulb (3) from the reflector - also try not to touch the bulb with bare hands.
5. Installation is carried out in reverse order.
(Original published on the website mercedesman.ru)
Adjusting the tilt of the optical axes of the headlights
Note: Adjustment is made on an unloaded vehicle with the driver's seat occupied (load weighing 75 kg).
The tilt adjustment of the optical axes of the headlights is performed using a test shield
10 - Distance in meters; e - Adjustment range (see Specifications); H - Height of the center position of the headlight unit; h - Height of the position of the cutting line of the working area of the shield; S - Headlight
Example of illumination of the working area of the test board
Location of adjustment screws
1 - Adjustment in the vertical plane
2 - Adjustment in the horizontal plane
1. Check that your tires are properly inflated (the required values are indicated on the inside of the fuel filler cap).
2. Remove the outer covers (cladding frames) headlight unit (see Section Removal and installation headlight covers).
3. Set the headlight range control switch handle on the left side of the instrument panel to position "0".
4. The test must be carried out in a car service workshop using a special test shield installed at a distance of 10 meters in front of the headlight being tested, strictly in accordance with the manufacturers' instructions.
5. The adjustment is considered correct if the cut line of the light spot generated by the headlight switched on in the low beam mode is aligned with the horizontal markings (cut line) working area of the shield to the left of its center. If necessary, make the appropriate adjustments using the vertical (1) and horizontal (2) regulators.