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Home >> Mercedes Benz >> 2021 >> CLS450 Base >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System - Body - 257 Chassis 4 Of 8 >> Maintenance >> Check, Adjust Low Beams >> Check, Adjust Low Beams - AP82.10-P-8263TE

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

Model 257 

with code 460 (Canada version) 

with code 640 (SAE dynamic LED headlamps, right-hand traffic) 

except code 632 (Headlamps, LED, static, right-side traffic) 

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

Model 257 

with code 494 (US version) 

with code 640 (SAE dynamic LED headlamps, right-hand traffic) 

except code 632 (Headlamps, LED, static, right-side traffic) 

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

Shown on model 257.321 

G14547955Courtesy of MERCEDES-BENZ USA

Dynamic LED headlamp, ECE version, shown on model 257 

G14547956Courtesy of MERCEDES-BENZ USA

Light gradient for diagnostic light pattern 

G14547957Courtesy of MERCEDES-BENZ USA

Shown on model 257.359 

G14547958Courtesy of MERCEDES-BENZ USA
WARNING 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 Prepare vehicle for checking/correcting headlamp adjustment.   AP82.10-P-8260-10F 
2 Determine degree of inclination for main headlamps.    
  Notes on determining headlamp aiming values   AH82.10-P-1005-01A
    IMPORTANT The degree of inclination for the main headlamps is specified on the model plate on the B-pillar on the passenger side.  
3 Adjust specified degree of inclination for main headlamps at headlamp adjuster (01).    
REFER TO SPECIAL TOOLS 000 588 11 21 00 Adjustment device   WS82.00-P-0151B
4 Switch on low beams. IMPORTANT When testing and adjusting the low beams make sure that the extended fog light function is not  active.  
5 Open hood.    
  Check and, if necessary, adjust (checking and adjusting the low beams is described at the left low beam (E1e2) in the left front lamp unit (E1), use procedure for left side for right side too.)     
6 Check height adjustment of left low beam (E1e2), adjust if necessary.    
REFER TO SPECIAL TOOLS 000 588 11 21 00 Adjustment device   WS82.00-P-0151B
    IMPORTANT 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 (E1e2) must be congruent with the datum line for height adjustment (2) in the headlamp adjuster (01) respectively to the left of the center mark (3).
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).
If the height adjustment of the left low beam (E1e2) is correct with the diagnostic light pattern switched on.
↓
No further check is necessary; continue with operation step 7.
If the height adjustment of the left low beam (E1e2) 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 (E1e2).
 
7 Check lateral adjustment of left low beam (E1e2).    
REFER TO SPECIAL TOOLS 000 588 11 21 00 Adjustment device   WS82.00-P-0151B
    IMPORTANT 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 (E1e2) must run upward at a 90° angle relative to the datum line for the height adjustment (2) in the headlamp adjustei (01) starting at the center mark (3).
The colored area of the vertical light-dark boundary (1) of the left low beam headlamp (E1e2) must be to the left of the center mark (3).
If the lateral adjustment of the left low beam (E1e2) is correct.
↓
No further check necessary, continue with operation step 8.
If the lateral adjustment of the left low beam (E1e2) is not correct.
↓
Subject to separate repair order check and correct installation position of the corresponding headlamp; then proceed with operation steps 1 to 7 again.
 
    Model 257
with code 460 (Canada version)
with code 640 (SAE dynamic LED headlamps right-hand traffic)
except code 632 (Headlamps, LED, static, right-side traffic)
except code 642 (Dynamic LED headlamps, right-hand traffic) Model 257
with code 494 (US version)
with code 640 (SAE dynamic LED headlamps right-hand traffic)
except code 632 (Headlamps, LED, static, right-side traffic)
except code 642 (Dynamic LED headlamps, right-hand traffic) Fender to headlamp
*BE60.00-P-1004-01IA 
    Model 257
with code 460 (Canada version)
with code 640 (SAE dynamic LED headlamps, right-hand traffic)
except code 632 (Headlamps, LED, static, right-side traffic)
except code 642 (Dynamic LED headlamps, right-hand traffic)
Model 257
with code 494 (US version)
with code 640 (SAE dynamic LED headlamps, right-hand traffic)
except code 632 (Headlamps, LED, static, right-side traffic)
except code 642 (Dynamic LED headlamps, right-hand traffic) Bumper to headlamp at bottom
*BE60.00-P-1005-01IA 
    Model 257
with code 460 (Canada version)
with code 640 (SAE dynamic LED headlamps, right-hand traffic)
except code 632 (Headlamps, LED, static, right-side traffic)
except code 642 (Dynamic LED headlamps, right-hand traffic) Model 257
with code 494 (US version)
with code 640 (SAE dynamic LED headlamps, right-hand traffic)
except code 632 (Headlamps, LED, static, right-side traffic)
except code 642 (Dynamic LED headlamps, right-hand traffic) Bumper to headlamp, side
*BE60.00-P-1006-01IA 
    Model 257
with code 460 (Canada version)
with code 640 (SAE dynamic LED headlamps right-hand traffic)
except code 632 (Headlamps, LED, static, right-side traffic)
except code 642 (Dynamic LED headlamps, right-hand traffic)
Model 257
with code 494 (US version)
with code 640 (SAE dynamic LED headlamps right-hand traffic)
except code 632 (Headlamps, LED, static, right-side traffic)
except code 642 (Dynamic LED headlamps, right-hand traffic) Bumper to headlamp at top
*BE60.00-P-1007-01IA 
  Finishing activity     
8 Reset switch positions to input condition. Only if the high beam setting is not to be checked afterwards.  
9 Close hood.    
GAP DIMENSIONS

Number Designation Model 257.3
BE60.00-P-1004-01IA Fender to headlamp Dimension "D" mm 2 (±1, 5)
For picture, see   AR60.00-P-0700-01FR
GAP DIMENSIONS

Number Designation Model 257.3
BE60.00-P-1005-01IA Bumper to headlamp at bottom Dimension "E1" mm 2 (±0, 5)
For picture, see   AR60.00-P-0700-01FR
GAP DIMENSIONS

Number Designation Model 257.3
BE60.00-P-1006-01IA Bumper to headlamp, side Dimension "E2" mm 3 (±1, 5)
For picture, see   AR60.00-P-0700-01FR
GAP DIMENSIONS

Number Designation Model 257.3
BE60.00-P-1007-01IA Bumper to headlamp at top Dimension "E3" mm 4 (±2, 0)
For picture, see   AR60.00-P-0700-01FR