(Remove/Install Headlamp Unit - AR82.10-P-4730GQ)
Model 166 up to model year 2016
| Risk of death when working on component parts and systems with U ≤= 30 V alternating voltage (AC) or U ≤= 60 V direct voltage (DC) | Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines. | AS00.00-Z-0035-01A | |
| Risk of explosion/risk of fire caused by highly flammable materials in the vicinity of damaged xenon bulbs. Risk of injury caused by UV light, hot components on xenon headlamps and glass splinters produced by bursting xenon bulbs. Risk of poisoning caused by inhalation of mercury vapors and by swallowing of/skin contact with toxic salts and mercury compounds. | Do not touch parts conducting high voltage. Persons with active electronic implants (e.g. cardiac pacemakers) must never work on xenon headlamps. Switch off the entire lighting system. Wear insulated safety shoes, safety glasses and protective gloves. Remove highly inflammable materials from the danger zone. Ensure sufficient ventilation in the working area. | AS82.10-Z-0001-01A | |
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| Remove/install | |||
| 1 | Switch off ignition and store transmitter key outside of transmission range (min. 2 m) | ||
| 2 | Remove front bumper | AR88.20-P-2000GQ | |
| 3 | Remove screw/bolts (1) | ||
| 4 | Loosen washing water reservoir (2) | Model 166 (except 166.074/874) up to model year 2016 | AR82.35-P-6000GZ |
| 5 | Remove screws (3) | ||
| 6 | Remove bracket (4) | ||
| 7 | Unclip hoses (5) | ||
| 8 | Release and disconnect electrical connector (6) | ||
| 9 | Unscrew bolt (7) | ||
| 10 | Unclip catch tab (arrow) | ||
| 11 | Remove left front lamp unit (E1) or right front lamp unit (E2) | ||
| 12 | Remove left xenon light power supply module (E1n4) or right xenon light power supply module (E2n4) | Model 166 up to model year 2016 with code 615 (Bi-xenon headlamps with active light function) with code 621 (Intelligent Light System (left-hand traffic)) with code 622 (Intelligent Light System) When replacing the left front lamp unit (E1) or the right front lamp unit (E2). | AR82.10-P-4635GQ |
| 13 | Remove left front exterior lights LED actuation module (E1n7) or right front exterior lights LED | Model 166 up to model year 2016 actuation module (E2n7) with code 615 (Bi-xenon headlamps with active light function) with code 621 (Intelligent Light System (left-hand traffic)) with code 622 (Intelligent Light System) When replacing the left front lamp unit (E1) or the right front lamp unit (E2). | AR82.10-P-4655GQ |
| 14 | Install in the reverse order | ||
| Initial startup | |||
| 15 |
Carry out initial startup of left front lamp unit (E1) or right front lamp unit (E2) | Model 166 up to model year 2016 with code 615 (Bi-xenon headlamps with active light function) with code 621 (Intelligent Light System (left-hand traffic)) with code 622 (Intelligent Light System) When replacing the left front lamp unit (E1) or the right front lamp unit (E2). |
AD00.00-P-2000-04A |
| Check | |||
| 16 |
Check headlamp adjustment and correct if necessary | AP82.10-P-8260GZA |