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Home >> Mercedes Benz >> 2025 >> S580 >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Seats, Bunks, Restraint Systems (2 Of 2) -- 223 Chassis >> Testing & Repair >> Remove/Install Left Rear Seat Control Unit - AR91.29-P-1571S

Remove/Install Left Rear Seat Control Unit - AR91.29-P-1571S

Model 223 

with code 223 (Electric backrest adjustment and head restraints) 

Model 223 

with code 224 (Individual rear seats) 

Model 223 

with code 453 (Rear reclining seat) 

G16192783Courtesy of MERCEDES-BENZ USA
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
Notice  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
  Notes on HANDS-FREE ACCESS   AH80.61-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Switch off ignition and store transmitter key outside of transmission range (min. 2 m).    
2 Remove left side trunk lining. Model 223
with code 223 (Electric backrest adjustment and head restraints)
with code Z07 (B7 armoring on special protection version)
Model 223
with code 224 (Individual rear seats)
with code Z07 (B7 armoring on special protection version)
Model 223
with code 453 (Rear reclining seat)
with code Z07 (B7 armoring on special protection version)
AR68.30-P-4800SG
    Model 223
with code 223 (Electric backrest adjustment and head restraints)
except code Z07 (B7 armoring on special protection version)
Model 223
with code 224 (Individual rear seats)
except code Z07 (B7 armoring on special protection version)
Model 223
with code 453 (Rear reclining seat)
except code Z07 (B7 armoring on special protection version)
AR68.30-P-4800S
3 Remove subwoofer in trunk. Model 223
with code 223 (Electric backrest adjustment and head restraints)
with code 811 (High-End sound system)
Model 223
with code 224 (Individual rear seats)
with code 811 (High-End sound system)
Model 223
with code 453 (Rear reclining seat)
with code 811 (High-End sound system)
 
      AR82.62-P-7841S
4 Disconnect electrical connectors (1) from trunk lid control, control unit and remove associated wiring harness. Model 223
with code 223 (Electric backrest adjustment and head restraints)
with code 881 (Remote boot-lid closing)
Model 223
with code 224 (Individual rear seats)
with code 881 (Remote boot-lid closing)
Model 223
with code 453 (Rear reclining seat)
with code 881 (Remote boot-lid closing)
 
5 Remove holder (2) and place to one side with attached control units.    
6 Disconnect electrical connection (3).    
7 Remove left rear seat control unit (N32/5).    
8 Install in the reverse order.    
9 Perform commissioning on left rear seat control unit (N32/5). When replacing left rear seat control unit (N32/5).  
REFER TO SELF DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06FR
  Normalizing     
10 Close trunk lid manually. Model 223
with code 223 (Electric backrest adjustment and head restraints)
with code 881 (Remote boot-lid closing)
Model 223
with code 224 (Individual rear seats)
with code 881 (Remote boot-lid closing)
Model 223
with code 453 (Rear reclining seat)
with code 881 (Remote boot-lid closing)
 
11 Actuate driver trunk lid control button in driver door trim to "Open" position until the trunk lid reaches upper stop. Model 223
with code 223 (Electric backrest adjustment and head restraints)
with code 881 (Remote boot-lid closing)
Model 223
with code 224 (Individual rear seats)
with code 881 (Remote boot-lid closing)
Model 223
with code 453 (Rear reclining seat)
with code 881 (Remote boot-lid closing)
 
12 Reactuate driver trunk lid control button in driver door trim for 4 s in "Open" position. Model 223
with code 223 (Electric backrest adjustment and head restraints)
with code 881 (Remote boot-lid closing)
Model 223
with code 224 (Individual rear seats)
with code 881 (Remote boot-lid closing)
Model 223
with code 453 (Rear reclining seat)
with code 881 (Remote boot-lid closing)