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Home >> Mercedes Benz >> 2021 >> S500 >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Electrical System, Equipment & Instruments (2 Of 3) -- 223 Chassis >> Testing & Repair >> Remove/Install DC/AC Converter Control Unit - AR54.21-P-1600S

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

Model 223 

with code U67 (230 V socket in rear passenger compartment) 

Model 223 

with code U80 (115 V socket) 

G16191649Courtesy of MERCEDES-BENZ USA

Shown with code 72B (USB package) 

DANGER Risk of death  when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC) Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines. AS00.00-Z-0035-01A
Notice  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
  Notes on safety-relevant components   AH00.00-Z-0019-01A
REMOVINGINSTALLING Remove/install     
1 Remove fuse and relay module in rear passenger compartment.   AR54.15-P-0001S 
2 Disconnect electrical connectors (1). Model 223
with code 72B (USB package)
with code U67 (230 V socket in rear passenger
compartment)
Model 223
with code 72B (USB package) with code U80 (115 V socket)
 
3 Disconnect electrical connectors (2).    
4 Unscrew screws (3) and remove holder (4) with control units. IMPORTANT The number of control units can vary depending on the equipment installed.  
5 Remove nuts (5) and remove DC/AC converter control unit (N24/3).    
6 Install in the reverse order.