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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-8263TB

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

Model 257 

with code 631 (Static LED headlamps, left-hand traffic) 

except code 460 (Canada version) 

except code 494 (US version) 

Model 257 

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

except code 460 (Canada version) 

except code 494 (US version) 

Shown on model 257.321 

G14547941Courtesy of MERCEDES-BENZ USA

Static LED headlamp, ECE version, shown on model 257 

G14547942Courtesy of MERCEDES-BENZ USA

Shown on general headlamp range controller 

G14547943Courtesy of MERCEDES-BENZ USA

Light gradient for low beams 

G14547944Courtesy of MERCEDES-BENZ USA

Shown on model 257.359 

G14547945Courtesy 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 Check headlamp range adjustment for proper operation. On vehicle with a headlamp range adjuster (6)  
      AP82.10-P-8250EW 
2 Prepare vehicle for checking/correcting headlamp adjustment.   AP82.10-P-8260-10F 
3 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.  
4 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
5 Switch on low beams.    
6 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.)     
7 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 For a low beam light gradient with the correct height adjustment, the 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), 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 for the left low beam (E1e2) is correct, ↓
No further check necessary, continue with operation step 8.
If the height adjustment for the 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 Check lateral adjustment of left low beam (E1e2), and adjust if necessary.    
REFER TO SPECIAL TOOLS 000 588 11 21 00 Adjustment device   WS82.00-P-0151B
    IMPORTANT For a low beam light gradient with the correct lateral adjustment, the light/dark boundary (1) of the left low beam (E1e2) must be congruent with the datum line for lateral adjustment (4) in the headlamp adjuster (01) starting from the center mark (3) on the right, 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 the lateral adjustment of the left low beam (E1e2) is correct.
↓
No further check is necessary; continue with operation step 9.
If the lateral adjustment of the left low beam (E1e2) is not correct.
↓
Turn the adjustment screw for the lateral adjustment (S) to correct the lateral adjustment of the left low beam headlamp (E1e2).
 
  Finishing activity     
9 Reset switch positions to input condition. Only if the high beam setting is not to be checked afterwards.  
10 Close hood.