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Home >> Mercedes Benz >> 2021 >> S560 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Throttle Control, Speed Control Systems - 217 Chassis >> Testing & Repair >> Remove/Install Radar Sensor >> Remove/Install Radar Sensor - AR30.30-P-1210LF
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Remove/Install Radar Sensor - AR30.30-P-1210LF

Model 217, 222 

up to model year 2018 

with code 233 (Adaptive cruise control Plus (DISTRONIC PLUS)) 

Model 217, 222 

up to model year 2018 

with code 237 (Active Blind Spot Assist) 

Model 217, 222 

up to model year 2018 

with code 238 (Active lane keeping Assist) 

Model 217, 222 

up to model year 2018 

with code 258 (Collision warning system with active brake application FCW-Stop) 

Model 217, 222 

up to model year 2018 

with code 266 (DISTRONIC PLUS with Cross-Traffic Assist (DTR+Q)) 

Model 217, 222 

up to model year 2018 

with code 268 (Brake Assist System Plus) 

Model 217, 222 

up to model year 2018 

with code 269 (Brake Assist PLUS with Cross-Traffic Assist (BAS+Q) 

Model 217, 222 

up to model year 2018 

with code 271 (Autonomous brake intervention/pedestrian protection) 

Model 217, 222 

up to model year 2018 

with code 300 (PRE-SAFE® Brake) 

Shown on model 222 

G15347684Courtesy of MERCEDES-BENZ USA
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 Perform commissioning of COLLISION PREVENTION ASSIST controller unit (A90), front left bumper radar sensor (B29/2) or front right bumper radar sensor (B29/3) When replacing COLLISION PREVENTION ASSIST controller unit (A90), front left bumper radar sensor (B29/2) or front right bumper radar sensor (B29/3).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04B
2 Remove impact absorber Model 217 up to model year 2018 AR88.20-P-2050LC
    Model 222 up to model year 2018 AR88.20-P-2050LFM
3.1 Detach electrical connection (1) from left front outer bumper radar sensor (B29/2) or right front outer bumper radar sensor (B29/3) Model 217, 222 up to model year 2018
except code 258 (COLLISION PREVENTION ASSIST)
 
3.2 Disconnect electrical connection (1) on COLLISION PREVENTION ASSIST controller unit (A90) Model 217, 222 up to model year 2018
with code 258 (COLLISION PREVENTION ASSIST)
 
4.1 Unlock retaining lugs (arrows) and bumper radar sensor at the front left (B29/2), or bumper radar sensor at the front right (B29/3) Model 217, 222 up to model year 2018
except code 258 (COLLISION PREVENTION ASSIST)
 
4.2 Unlock retaining lugs (arrows) and remove COLLISION PREVENTION ASSIST controller unit (A90) Model 217, 222 up to model year 2018
with code 258 (COLLISION PREVENTION ASSIST)
 
5 Install in the reverse order