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Home >> Mercedes Benz >> 2021 >> S560 Base >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System, Equipment & Instruments - 217 Chassis (4 Of 8) >> Testing & Repair >> Remove/Install Radar Sensors Control Unit >> Remove/Install Radar Sensors Control Unit - AR54.65-P-0040LCA

Remove/Install Radar Sensors Control Unit - AR54.65-P-0040LCA

Model 217.4 

with code P20 (Driving Assistance package Plus) 

Fig 1: Radar Sensors Control Unit Component Location - Model 217.4 With Code P20
G15299994Courtesy of MERCEDES-BENZ USA
G15299995Courtesy of MERCEDES-BENZ USA
WARNING Risk of injury  . Moving parts can pinch, crush or, in extreme cases even sever extremities. No parts of the body or limbs should be within the operating area of mechanical components when moving components. AS00.00-Z-0009-01A
Topical note Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
  Notes on HANDS-FREE ACCESS   AH80.61-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Commission radar sensors control unit (1) When replacing radar sensors control unit (1).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04B
2.1 Remove tuner unit Model 217.4
up to model year 2018
with code 536 (SIRIUS satellite radio)
with code P20 (Driving Assistance package Plus)
Model 217.4
up to model year 2018
with code 537 (Digital radio (DAB))
with code P20 (Driving Assistance package Plus)
Model 217.4
up to model year 2018
with code 865 (TV tuner)
with code P20 (Driving Assistance package Plus)
AR82.60-P-2002LF
2.2 Remove TV tuner Model 217.4
as of model year 2018
with code 498 (Japanese version)
with code 865 (TV tuner)
with code P20 (Driving Assistance package Plus)
AR82.85-P-7366LFN
2.3 Remove TV tuner Model 217.4
as of model year 2018
with code 865 (TV tuner)
with code P20 (Driving Assistance package Plus)
except code 498 (Japanese version)
AR82.85-P-7366LCM
3 Remove screw/bolts (10)    
4 unscrew nut (9)    
5 Pull holder (8) out backwards    
6 Separate electrical connectors (2)    
7 Unscrew bolt (3)    
8 Unclip radar sensors control unit (1) from holder (8) and remove    
9 Install in the reverse order