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Home >> Mercedes Benz >> 2021 >> S500 >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Electrical System, Equipment & Instruments (2 Of 3) -- 223 Chassis >> Testing & Repair >> Check And Adjust LiDAR Gap Dimension - AR54.71-P-9899S

Check And Adjust LiDAR Gap Dimension - AR54.71-P-9899S

Model 223 

with code 200 (Conditionally automated driving) 

G16191702Courtesy of MERCEDES-BENZ USA
G16191703Courtesy of MERCEDES-BENZ USA
G16191704Courtesy of MERCEDES-BENZ USA
Notice  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
  Notes on safety-relevant components   AH00.00-Z-0019-01A
INSPECT Check     
1 Perform visual inspection of gap dimensions (A, B). IMPORTANT Gap dimensions (A) must be virtually identical at bottom and at top.
Gap dimensions (B) must be virtually identical at left and at right.
 
    If there is a problem,
adjust gap dimensions (A, B).
 
2 Check gap dimensions (A) of LiDAR sensor (A89/2). IMPORTANT The gap dimensions (A) between the LiDAR sensor (A89/2) or telescopic nozzle and radiator grille must not be less than 2 mm.  
    SPECIAL TOOL Feeler gauge
If the gap dimensions (A) are less than 2 mm,

adjust gap dimensions (A).
Fig 1
3 Check gap dimensions (B) of LiDAR sensor (A89/2). IMPORTANT The gap dimensions (B) between the LiDAR sensor (A89/2) and radiator grille must not be less than 2 mm.  
    SPECIAL TOOL Feeler gauge
If the gap dimensions (B) are less than 2 mm,

adjust gap dimensions (B).
Fig 1
  Adjust     
4 Remove radiator grille.   AR88.40-P-4001S
5 Loosen screws (1) and adjust gap dimensions (A) using screw (2) in y-direction. IMPORTANT If gap dimension (A) at bottom is too small, turn screw (2) counterclockwise.  
    IMPORTANT If gap dimension (A) at top is too small, turn screw (2) clockwise.  
6 Loosen screw (3) and adjust gap dimensions (B) using screw (4) in x-direction. IMPORTANT If gap dimension (B) at left is too small, turn screw (4) clockwise.  
    IMPORTANT If gap dimension (B) at right is too small, turn screw (4) counterclockwise.  
INSTALLING Install     
7 Install radiator grille. Model 223
with code 200 (Conditionally automated driving)
 
    Model 223.0/1/9
with code 200 (Conditionally automated driving)
AR88.40-P-4001S
INSPECT Check     
8 Check gap dimensions (A, B) of LiDAR sensor (A89/2) again. IMPORTANT The gap dimensions (A, B) between LiDAR sensor (A89/2) or telescopic nozzle and radiator grille must not be less than 2 mm.  
    SPECIAL TOOL Feeler gauge
If gap dimensions (A, B) are less than 2 mm,

repeat operation steps 4 to 7.
Fig 1
Fig 1: Identifying Feeler Gauge (129 589 03 21 00)
G07469060Courtesy of MERCEDES-BENZ USA