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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 DC/AC Converter Control Unit >> Remove/Install DC/AC Converter Control Unit - AR54.21-P-1600LWO

Remove/Install DC/AC Converter Control Unit - AR54.21-P-1600LWO

Model 238.3 

With Code U67 (230V socket in interior compartment) 

Model 238.3 

With Code U80 (115V socket) 

Fig 1: DC/AC Converter Control Unit Components Location - Model 238.3 With Code U67, U80
G15378268NOTESREMOVINGINSTALLINGCourtesy of MERCEDES-BENZ USA
NOTES Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Detach ground line of on-board electrical system battery   AR54.10-P-0003LWO 
2.1 Remove sound system control unit Model 238.3 with code 810 (Sound system) with code U67 (230V socket in interior compartment)
Model 238.3 with code 810 (Sound system) with code U80 (115V socket)
Model 238.3 with code 811 (Advanced sound system) with code U67 (230V socket in interior compartment)
Model 238.3 with code 811 (Advanced sound system) with code U80 (115V socket)
AR82.62-P-7724LWO
2.2 Remove luggage compartment lining on right Model 238.3 with code U67 (230V socket in interior compartment) except code 810 (Sound system) except code 811 (Advanced sound system)
Model 238.3 with code U80 (115V socket) except code 810 (Sound system) except code 811 (Advanced sound system)
AR68.30-P-4600LWO
3 Separate electrical connectors (2)    
4 Unscrew nuts (1) and remove DC/AC converter control unit (N24/3)    
5 Install in the reverse order