Check, Adjust Low Beams - AP82.10-P-8263P
Model 166
as of model year 2016
with code 641 (Dynamic LED headlamps, left-hand traffic)
except code 460 (Canada version)
except code 494 (US version)
except code 640 (High-performance LED)
Model 166
as of model year 2016
with code 642 (Dynamic LED headlamps, right-hand traffic)
except code 460 (Canada version)
except code 494 (US version)
except code 640 (High-performance LED)
Model 292
with code 641 (Dynamic LED headlamps, left-hand traffic)
except code 460 (Canada version)
except code 494 (US version)
except code 640 (High-performance LED)
Model 292
with code 642 (Dynamic LED headlamps, right-hand traffic)
except code 460 (Canada version)
except code 494 (US version)
except code 640 (High-performance LED)
Shown: Model 292
Shown: model 292 with ECE version of dynamic LED headlamp
Light gradient for low beams
Shown: Model 292
Light gradient for diagnostic light pattern
| Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | AS00.00-Z-0005-01A | |
| General information on checking/correcting headlamp adjustment | AH82.10-P-1000-01A | ||
| Preparatory activity | |||
| 1 | Determine degree of inclination for main headlamps | ||
| Notes on determining headlamp aiming values | AH82.10-P-1005-01A | ||
| 2 | Park the vehicle on a horizontal level surface | Vehicle ±1 mm/m Headlamp aimer (01): ±0.5 mm/m |
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| 3 | Prepare vehicle for checking/correcting headlamp adjustment | AP82.10-P-8260-10E | |
| 4 | Align headlamp aimer (01) | It is essential to align the headlamp aimer (01) parallel to the front of the vehicle. The headlamp adjustment will otherwise be incorrect, which may jeopardize the road safety of the vehicle. Other country-specific regulations or specifications in the operating instructions from the headlamp aiming device manufacturer must be observed accordingly. |
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| 5 | Set specified degree of inclination for main headlamps at headlamp aimer (01) | ||
| 6 | Switch on low beam at exterior lights switch | ||
| Check and, if necessary, adjust (checking and adjustment of the low beams is described at the left low beam headlamp (long range) (E1e16); the same procedure is used for the right side.) | |||
| 7.1 | Check height adjustment of left low beam headlamp (long range) (E1e16); adjust if necessary | For vehicle with steel suspension on front and rear axle. If the height adjustment of the left low beams (long range) (E1e16) is not correct. ↓ Adjust zero position using diagnostic system in headlamp control unit. Diagnosis → Control units view → Body → SG-SW left headlamp → Adaptations → Zero position adjustment. |
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| ↓ Prepare alignment of headlamp aimer (01). |
AD00.00-P-2000-04A | ||
| ↓ Switch on rectangular diagnostic light pattern using diagnostic system. Diagnosis → Control units view → Body → SG-SW left headlamp → Adaptations → Adjusting headlamps using diagnosis. |
AP82.10-P-8260-09HA | ||
| ↓ When the diagnostic light pattern is switched on and the height adjustment is correct, the horizontal light-dark boundary (1) of the left low beam headlamp (long range) (E1e16) to the left of the center mark (3) must be congruent with the reference line for the height adjustment (2) in the headlamp aimer (01). The colored area of the light-dark boundary (1) of the left low beam headlamp (long range) (E1e16) must be above the reference line for the height adjustment (2). |
AD00.00-P-2000-04A | ||
| If the height adjustment of the left low beams (long range) (E1e16) is not correct with the diagnostic light pattern switched on. ↓ Turn the adjustment screw for the height adjustment (H) to correct the height adjustment of the left low beam headlamp (long range) (E1e16). |
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| 7.2 | Check height adjustment of left low beam headlamp (long range) (E1e16); adjust if necessary | For vehicle with level control on front and rear axle. If the height adjustment of the left low beams (long range) (E1e16) is not correct. ↓ Move to calibrated vehicle level. Diagnosis → Control units view → Chassis → ADS - Adaptive Damping Systems → Actuations → Move to calibrated vehicle level and check headlamp adjustment again. |
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| ↓ Headlamp adjustment incorrect ↓ Calibrate level in chassis control unit. Diagnosis → Control units view → Chassis → ADS - Adaptive Damping Systems → Adaptations → Teach-in processes → Check level calibration and headlamp adjustment again. |
AD00.00-P-2000-04A | ||
| AD00.00-P-2000-04A | |||
| ↓ Prepare alignment of headlamp aimer (01). ↓ Switch on rectangular diagnostic light pattern using diagnostic system. Diagnosis → Control units view → Body → SG-SW left headlamp → Adaptations → Adjusting headlamps using diagnosis. |
AP82.10-P-8260-09HA | ||
| ↓ When the diagnostic light pattern is switched on and the height adjustment is correct, the horizontal light-dark boundary (1) of the left low beam headlamp (long range) (E1e16) to the left of the center mark (3) must be congruent with the reference line for the height adjustment (2) in the headlamp aimer (01). The colored area of the light-dark boundary (1) of the left low beam headlamp (long range) (E1e16) must be above the reference line for the height adjustment (2). If the height adjustment of the left low beams (long range) (E1e16) is not correct with the diagnostic light pattern switched on. ↓ Turn the adjustment screw for the height adjustment (H) to correct the height adjustment of the left low beam headlamp (long range) (E1e16). |
AD00.00-P-2000-04A | ||
| 8.1 | Check lateral adjustment of left low beam headlamp (long range) (E1e16); adjust if necessary | For vehicle with steel suspension on front and rear axle. When the diagnostic light pattern is switched on and the lateral adjustment is correct, the vertical light-dark boundary (1) of the left low beam headlamp (long range) (E1e16) each starting at the center mark (3) must run upward at 900 to the reference line for the height adjustment (2) in the headlamp aimer (01). The colored area of the vertical light-dark boundary (1) of the left low beam headlamp (long range) (E1e16) must be to the left of the center mark (3). If the lateral adjustment of the left low beams (long range) (E1e16) is not correct with the diagnostics light pattern already switched on. ↓ Turn the adjustment screw for the lateral adjustment (S) to correct the lateral adjustment of the left low beam headlamp (long range) (E1e16). If lateral adjustment of the left low beam headlamp (long range) (E1e16) is not correct. ↓ Adjust zero position using diagnostic system in headlamp control unit. Diagnosis → Control units view → Body → SG-SW left headlamp → Adaptations → Zero position adjustment. |
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| ↓ Prepare alignment of headlamp aimer (01). |
AD00.00-P-2000-04A | ||
| ↓ Switch on rectangular diagnostic light pattern using diagnostic system. Diagnosis → Control units view → Body → SG-SW left headlamp → Adaptations → Adjusting headlamps using diagnosis. |
AP82.10-P-8260-09HA | ||
| ↓ Check the height adjustment of the left low beam headlamp (long range) (E1e16) again using the diagnostic light pattern switched on; if necessary, correct by turning the adjustment screw for the height adjustment (H). ↓ Check the lateral adjustment of the left low beam headlamp (long range) (E1e16) with the diagnostic light pattern switched on; if necessary, correct by turning the adjustment screw for the lateral adjustment (S). |
AD00.00-P-2000-04A | ||
| 8.2 | Check lateral adjustment of left low beam headlamp (long range) (E1e16); adjust if necessary | For vehicle with level control on front and rear axle. | |
When the diagnostic light pattern is switched on and the lateral adjustment is correct, the vertical light-dark boundary (1) of the left low beam headlamp (long range) (E1e16) each starting at the center mark (3) must run upward at 900 to the reference line for the height adjustment (2) in the headlamp aimer (01). The colored area of the vertical light-dark boundary (1) of the left low beam headlamp (long range) (E1e16) must be to the left of the center mark (3). If the lateral adjustment of the left low beams (long range) (E1e16) is not correct with the diagnostics light pattern already switched on. ↓ Turn the adjustment screw for the lateral adjustment (S) to correct the lateral adjustment of the left low beam headlamp (long range) (E1e16). If lateral adjustment of the left low beam headlamp (long range) (E1e16) is not correct. ↓ Move to calibrated vehicle level. Diagnosis → Control units view → Chassis → ADS - Adaptive Damping Systems → Actuations → Move to calibrated vehicle level and check headlamp adjustment again. Headlamp adjustment incorrect ↓ Calibrate level in chassis control unit. Diagnosis → Control units view → Chassis → ADS - Adaptive Damping Systems → Adaptations → Teach-in processes → Check level calibration and headlamp adjustment again. |
AD00.00-P-2000-04A | ||
| ↓ Prepare alignment of headlamp aimer (01). |
AD00.00-P-2000-04A | ||
| ↓ Switch on rectangular diagnostic light pattern using diagnostic system. Diagnosis → Control units view → Body → SG-SW left headlamp → Adaptations → Adjusting headlamps using diagnosis. |
AP82.10-P-8260-09HA | ||
| ↓ Check the height adjustment of the left low beam headlamp (long range) (E1e16) again using the diagnostic light pattern switched on; if necessary, correct by turning the adjustment screw for the height adjustment (H). ↓ Check the lateral adjustment of the left low beam headlamp (long range) (E1e16) with the diagnostic light pattern switched on; if necessary, correct by turning the adjustment screw for the lateral adjustment (S). |
AD00.00-P-2000-04A | ||
| Finishing activity | |||
| 9 | Reset switch positions to input condition | Only if the high beam setting is not to be checked afterwards. |