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Home >> Mercedes Benz >> 2017 >> GLS63 AMG >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System - Body - 166 Chassis 5 Of 8 >> Maintenance >> Check, Adjust Low Beams >> Check, Adjust Low Beams - AP82.10-P-8263DA

Check, Adjust Low Beams - AP82.10-P-8263DA

Model 166 

as of model year 2016 

with code 460 (Canada version) 

except code 640 (High-performance LED) 

except code 641 (Dynamic LED headlamps, left-hand traffic) 

except code 642 (Dynamic LED headlamps, right-hand traffic) 

Model 166 

as of model year 2016 

with code 494 (US version) 

except code 640 (High-performance LED) 

except code 641 (Dynamic LED headlamps, left-hand traffic) 

except code 642 (Dynamic LED headlamps, right-hand traffic) 

Model 292 

with code 460 (Canada version) 

except code 640 (High-performance LED) 

except code 641 (Dynamic LED headlamps, left-hand traffic) 

except code 642 (Dynamic LED headlamps, right-hand traffic) 

Model 292 

with code 494 (US version) 

except code 640 (High-performance LED) 

except code 641 (Dynamic LED headlamps, left-hand traffic) 

except code 642 (Dynamic LED headlamps, right-hand traffic) 

Shown: Model 292 

G14137167Courtesy of MERCEDES-BENZ USA

Shown: model 292 with SAE version of halogen headlamp 

G14137168Courtesy of MERCEDES-BENZ USA

Shown on general headlamp range controller 

G14137169Courtesy of MERCEDES-BENZ USA

Light gradient for low beams 

G14137170Courtesy of MERCEDES-BENZ USA

Shown: Model 292 

G14137171Courtesy of MERCEDES-BENZ USA
DANGER 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
IMPORTANT General information on checking/correcting headlamp adjustment   AH82.10-P-1000-01A
  Preparatory activity     
1 Check operation of headlamp range adjustment For vehicle with headlamp range controller (6). AP82.10-P-8250EW 
2 Determine degree of inclination for main headlamps    
IMPORTANT Notes on determining headlamp aiming values IMPORTANT The degree of inclination for the main headlamps is specified on the model plate on the B-pillar on the passenger side AH82.10-P-1005-01A
3 Park the vehicle on a horizontal, level surface IMPORTANT Maximum permissible height difference of surface for:
Vehicle: ±1 mm/m,
Headlamp aimer (01): ±0.5 mm/m.
 
4 Prepare vehicle for checking/correcting headlamp adjustment   AP82.10-P-8260-10E 
5 Align headlamp aimer (01) NOTES
It is essential to align the headlamp aimer (01) parallel to the front of the vehicle.
The headlamp adjustment will otherwise be incorrect, which can jeopardize the road safety of the vehicle.
IMPORTANT Align the headlamp aimer (01) at a distance (A) of approx. 30 cm in front of the left front lamp unit (E1) or right front lamp unit level with the left low beams (E1e2) or right low beams parallel to the front of the vehicle.
Other country-specific regulations or specifications in the operating instructions from the headlamp aiming device manufacturer must be observed accordingly.
 
6 Set specified degree of inclination for main headlamps at headlamp aimer (01)    
7 Switch on low beam    
  Check and, if necessary, adjust (checking and adjustment of the low beams is described at the left low beam headlamp (E1e2); the same procedure is used for the right side.)     
8.1 Check height adjustment of left low beam headlamp (E1e2); adjust if necessary For vehicle with steel suspension on front and rear axle.
IMPORTANT If, for a low beam light gradient, the height adjustment is correct, the light-dark boundary (1) of the left low beam headlamp (E1e2) in each case 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), as shown in the color image.
The colored area of the light-dark boundary (1) of the left low beam headlamp (E1e2) must be above the reference line for the height adjustment (2), as shown in the color image.
If height adjustment of left low beam (E1e2) is not correct.
↓
Turn the adjustment screw for the height adjustment (H) to correct the height adjustment of the left low beam headlamp (E1e2).
 
8.2 Check height adjustment of left low beam headlamp (E1e2); adjust if necessary For vehicle with level control on front and rear axle.
IMPORTANT If, for a low beam light gradient, the height adjustment is correct, the light-dark boundary (1) of the left low beam headlamp (E1e2) in each case 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), as shown in the color image.
The colored area of the light-dark boundary (1) of the left low beam headlamp (E1e2) must be above the reference line for the height adjustment (2), as shown in the color image.
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.
 
REFER TO SELF-DIAGNOSTIC SYSTEMS   ↓
Headlamp adjustment incorrect
↓
Calibrate level in chassis control unit.
AD00.00-P-2000-04A
REFER TO SELF-DIAGNOSTIC SYSTEMS   Diagnosis → Control units view → Chassis → ADS - Adaptive Damping Systems → Adaptations → Teach-in processes -  Check level calibration and headlamp adjustment again.
If the height adjustment of the left low beam (E1e2) is still incorrect after calibration of the vehicle level and the level calibration.
↓
Turn the adjustment screw for the height adjustment (H) to correct the height adjustment of the left low beam headlamp (E1e2).
AD00.00-P-2000-04A
9 Check lateral adjustment of left low beam (E1e2) IMPORTANT If, for a low beam light gradient, the lateral adjustment is correct, the light-dark boundary (1) of the light gradient for the left low beam headlamp (E1e2) starting from the center mark (3) on the right must be congruent with the reference line for the lateral adjustment (4) in the headlamp aimer (01), as shown in the color image.
The colored area of the light-dark boundary (1) of the left low beam headlamp (E1e2) must be above the reference line for the lateral adjustment (4), as shown in the color image.
If lateral adjustment of the left low beam headlamp (E1e2) is not correct.
↓
Check and correct the installation position of the headlamp concerned, subject to separate repair order. Then work through operation steps 3 to 9 again.
Gap dimension
*BE60.00-P-1001-01Z 
    Gap dimension *BE60.00-P-1002-01Z 
  Finishing activity     
10 Reset switch positions to input condition Only if the high beam setting is not to be checked afterwards.  
TEST AND ADJUSTMENT VALUES FOR GAP DIMENSIONS

Number Designation Model 166 Model 292
BE60.00-P-1001-01Z Gap dimension Engine hood to fender Dimension "A" mm 3, 8 (±1) 3, 0 (±0, 5)
    Engine hood to headlamp Dimension "B" mm 3, 9 (±1) 3, 5 (±1)
    Engine hood to bumper Dimension "C" mm 5, 4 (±1, 5) 4, 5 (±1, 5)
    Fender to A-pillar Dimension "D" mm 3, 5 (± 1) 3, 0 (±0, 5)
    Front door to fender Dimension "E" mm 4, 3 (± 0, 7) 4, 0 (±1/-0, 5)
    Front door to rear door Dimension "F" mm 4, 8 (± 0, 7) 4, 5 (+1/-0, 5)
    Rear door to rear fender Dimension "I" mm 4, 3 (± 0, 7) 3, 5 (+1/-0, 5)
      For picture, see   AR60.00-P-0700-01GQ AR60.00-P-0700-01GQ
TEST AND ADJUSTMENT VALUES FOR GAP DIMENSIONS

Number Designation Model 166 Model 292
BE60.00-P-1002-01Z Gap dimension Bumper to headlamp Dimension "S1" mm 3, 0 (±0, 5) 2, 0 (±1)
      Dimension "S2" mm 3, 0 (±0, 5) 2, 0 (±1)
      Dimension "S3" mm 3, 0 (±0, 5) 3, 0 (±1)
    Fender to headlamp Dimension "R" mm 3, 9 (±1) 3, 0 (±1)
    Engine hood to A-pillar Dimension "Q" mm 3, 5 (±1) 4, 0 (+1, 5/-1, 0)
      For picture, see   AR60.00-P-0700-01GQ AR60.00-P-0700-01GQ