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Remove/install dynamic seat control unit - AR91.25-P-1800T

MODEL 211.0/2 with CODE (433) Left dynamic seat, incl. multicontour seat with CODE (434) Right dynamic seat, incl. multicontour seat 

Fig 1: Identifying Dynamic Seat Control Unit Components
G07265961Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
MODIFICATION NOTES

6.6.06 "Disconnect/connect battery ground line" removed
REMOVINGINSTALLING Remove/install     
NOTES Notes on avoiding damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
1 Remove seat-back lining from front seat backrest    
Driver seat or front passenger seat without code (842) Folding front passenger backrest (usable as table) up to 30.6.04 AR91.10-P-1910T
Driver seat or front passenger seat without code (842) Folding front passenger backrest (usable as table) as from 1.7.04 AR91.10-P-1910TB 
Front passenger seat with code (842) Folding front passenger backrest (usable as table) up to 30.6.04 AR91.10-P-1910TA
2 Detach electrical connector (2) from left front dynamic seat control unit (N32/19) or right front dynamic seat control unit (N32/22)    
3 Remove connection strip (1) for pneumatic lines from left front dynamic seat control unit (N32/19) or right front dynamic seat control unit (N32/22)    
4 Remove left front dynamic seat control unit (N32/19) or right front dynamic seat control unit (N32/22) upwards    
5 Install in the reverse order