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Home >> Mercedes Benz >> 2017 >> B250 Base >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System - Body - 246 Chassis - 1 Of 2 >> Testing & Repair >> Remove/install Digital Audio Broadcasting control unit (DAB) - AR82.60-P-2001NKB

Remove/install Digital Audio Broadcasting control unit (DAB) - AR82.60-P-2001NKB

MODEL 242 with CODE 537 (Digital radio) 

MODEL 246 with CODE 537 (Digital radio) 

Fig 1: Identifying Digital Audio Broadcasting Control Unit Remove/Install Components
G10250669Courtesy of MERCEDES-BENZ USA
NOTES Notes on avoiding damage to optical fibers during repair work   AH82.60-P-0001-05AK
NOTES Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Connect Star Diagnosis and perform initial startup of Digital Audio Broadcasting control unit (N87/3) When replacing the Digital Audio Broadcasting control unit (N87/3).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04A
2 Switch off ignition and remove transmitter key from electronic ignition lock control unit    
3 Remove trunk side paneling on right   AR68.30-P-4800NKB
4 Unclip wiring harness (2) from the body    
5 Unscrew nuts (1), remove the bracket (3) with the Digital Audio Broadcasting control unit (N87/3) from the guide and place to one side with the wiring harness (2) connected INSTALLATION IMPORTANT Pay attention to routing of wiring harness (2).  
6 Disconnect electrical connectors (2.1) and unclip wiring harness (2) from the bracket (3)    
7 Remove bracket (3) with the Digital Audio Broadcasting control unit (N87/3)    
8 Unscrew nuts (4) and remove Digital Audio Broadcasting control unit (N87/3) from bracket (3)    
9 Install in the reverse order