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Home >> Mercedes Benz >> 2021 >> E53 AMG 2D Convertible >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System, Equipment & Instruments - 238 Chassis (3 Of 6) >> Testing & Repair >> Remove/Install Short And Long-Range Radar Sensor - AR54.21-P-0702LWE

Remove/Install Short And Long-Range Radar Sensor - AR54.21-P-0702LWE

Model 213, 238 

With Code 233 (Adaptive cruise control Plus (DISTRONIC PLUS)) 

Fig 1: Short And Long-Range Radar Sensor Components Location - Model 238 With Code 233 (Shown On Model 213)
G15378260Courtesy of MERCEDES-BENZ USA

Shown On Model 213 without Mercedes star in the radiator grille 

Topical note  Notes on preventing damage to electronic components due to a magnetic tool   AH54.00-P-0002-01A
Topical note  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1.1 Unclip and remove cover (1) from radiator trim. Model 213 with code 233 (Adaptive cruise control Plus (DISTRONIC PLUS))
If cover (1) is installed.
IMPORTANT Do not disconnect the electrical connector.
SPECIAL TOOL Mounting wedge
Fig 2
1.2 Remove Mercedes star from radiator grille. If a Mercedes star is installed.
IMPORTANT Do not disconnect the electrical connector.
AR88.40-P-4050LW
2 Unscrew nuts (2).    
3 Remove short and long range radar sensor (B92/12) and disconnect electrical connector (3).    
4 Install in the reverse order    
5 Commission the short-and long-range radar sensor (B92/12). When short and long range radar sensor (B92/12) is being replaced.  
REFER TO SELF-DIAGNOSTIC SYSTEMS   Model 213 with code 233 (Adaptive cruise control Plus (DISTRONIC PLUS)) AD00.00-P-2000-04B
REFER TO SELF-DIAGNOSTIC SYSTEMS   Model 238 with code 233 (Adaptive cruise control Plus (DISTRONIC PLUS)) AD00.00-P-2000-06LWO
6 Calibrate short and long-range radar sensor (B92/12).    
REFER TO SELF-DIAGNOSTIC SYSTEMS   Model 213 with code 233 (Adaptive cruise control Plus (DISTRONIC PLUS)) AD00.00-P-2000-04B
REFER TO SELF-DIAGNOSTIC SYSTEMS   Model 238 with code 233 (Adaptive cruise control Plus (DISTRONIC PLUS)) AD00.00-P-2000-06LWO
Fig 2: Identifying Mounting Wedge (110 589 03 59 00)
G15378261Courtesy of MERCEDES-BENZ USA