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Home >> Mercedes Benz >> 2020 >> SLC43 AMG Base >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System - Body - 172 Chassis - 3 Of 5 >> Testing & Repair >> Remove/Install Tuner Unit - AR82.60-P-2002W

Remove/Install Tuner Unit - AR82.60-P-2002W

Model 172 

with code 536 (SIRIUS satellite radio complete system) 

Model 172 

with code 537 (DAB digital radio standard (Digital Audio Broadcast)) 

Model 172 

with code 865 (digital TV) 

Fig 1: Tuner Unit Components Location - Model 172 With Codes 536, 537, 865
G13848259REMOVINGINSTALLINGREFER TO SELF-DIAGNOSTIC SYSTEMSIMPORTANTCourtesy of MERCEDES-BENZ USA
  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
  Notes on avoiding damage to optical fibers during repair work   AH82.60-P-0001-05AK
REMOVINGINSTALLING Remove/install     
1 Carry out initial startup of tuner unit (A90/4) When replacing tuner unit (A90/4).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04A
2 Switch off ignition and store transmitter key outside of transmission range (min. 2 m)    
3 Remove luggage compartment lining on right   AR68.30-P-4600W
4 Disconnect electrical connectors (1) and cover up fiber-optic cables IMPORTANT The number of electrical connectors (1) varies depending on the vehicle equipment.  
5 Unscrew nut (2) and unfasten nuts (3)    
6 Unhook holder (4) with tuner unit (A90/4) and remove    
7 Remove tuner unit (A90/4) from holder (4) When replacing tuner unit (A90/4).  
8 Install in the reverse order