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Home >> Mercedes Benz >> 2016 >> C450 AMG >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Electrical System, Equipment & Instruments - 205 Chassis - 3 Of 5 >> Testing & Repair >> Remove And Install DC/AC Converter Control Unit - AR54.21-P-1600LW

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

Model 205.0/1/2, 253 

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

Shown on model 205.0 

G12938428Courtesy of MERCEDES-BENZ USA
Fig 1: DC/AC Converter Control Unit Components Location Components Location - Model 205.0 With Code U67; Shown On Model 253.9 With Code 810
G12938429Courtesy of MERCEDES-BENZ USA

Shown on model 253.9 with code 810 (Sound system) 

WARNING Risk of injury  caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof. No parts of the body or limbs should be within the operating area when the components are moving. AS00.00-Z-0011-01A
  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
  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
  Notes on HANDS-FREE ACCESS   AH80.61-P-0001-01A
REMOVINGINSTALLING Remove/install     
1.1 Remove right luggage compartment lining. Model 205.0/1
with code U67 (230 V socket in rear passenger compartment)
AR68.30-P-4600LW
1.2 Release load compartment trim at right in rear area far enough to gain access to the DC/AC converter control unit (N24/3). Model 205.2, 253
with code U67 (230 V socket in rear passenger compartment)
 
    Model 205.2
with code U67 (230 V socket in rear passenger compartment)
AR68.30-P-1180LWS
    Model 253 (except 253.992/993)
with code U67 (230 V socket in rear passenger compartment)
AR68.30-P-1180LWG
    Model 253.992/993
with code U67 (230 V socket in rear passenger compartment)
AR68.30-P-1180RFW
2 Detach ground line of on-board electrical system battery.   AR54.10-P-0003LW
3 Unclip electrical connector (1) from holder (2). Model 205.0/1
up to model year 2019
with code U67 (230 V socket in rear passenger compartment)
 
4 Disconnect electrical connector (3) from DC/AC converter control unit (N24/3). IMPORTANT Model 205.0/1/2
as of model year 2019
with code U67 (230 V socket in rear passenger compartment)
There are two electrical connectors on the DC/AC converter control unit (N24/3).
 
5 Unscrew nuts (4) and remove DC/AC converter control unit (N24/3).    
6 Remove DC/AC converter control unit (N24/3) from holder (2). When replacing DC/AC converter control unit (N24/3).  
7 Install in the reverse order.