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Home >> Mercedes Benz >> 2020 >> GLS580 >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Electrical System, Equipment & Instruments - 167 Chassis (2 Of 4) >> Testing & Repair >> Remove/Install DC/AC Converter Control Unit - AR54.21-P-1600ME

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

Model 167 

With Code U67 (230 V socket in rear passenger compartment) 

G14791228Courtesy of MERCEDES-BENZ USA
Fig 1: DC/AC Converter Control Unit Components Location - Model 167 With Code U67
G14791229DANGERREMOVINGINSTALLINGSPECIAL TOOLNOTESCourtesy of MERCEDES-BENZ USA
DANGER Risk of death  when working on component parts and systems with U >= 25 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
Topical note  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 Disconnect the ground line for the on-board electrical system battery (G1).   AR54.10-P-0003ME 
2 Detach floor covering (1) at front on driver's side until cover (2) is accessible.   AR68.80-P-0007ME
3 Unclip electrical line (3) from cover (2). SPECIAL TOOL Dismantling tool Fig 2
4 Remove cover (4) of cover (2).    
5 Unscrew nuts (5) and remove cover (2).    
6 Unclip electrical wiring harness of DC/AC converter control unit (N24/3) from bracket (10) (arrow). NOTES
Do not crush or kink or subject lines to tension This will result in damage to the lines which may impair their functional capability.
 
7 Remove DC/AC converter control unit (N24/3) far enough out of bracket (10) until the electrical connectors are accessible.    
8 Release and disconnect electrical connectors from DC/AC converter control unit (N24/3).    
9 Install in the reverse order.    
Fig 2: Identifying Dismantling Tool (000 589 95 63 00)
G12619044Courtesy of MERCEDES-BENZ USA