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Home >> Mercedes Benz >> 2021 >> S560 4Matic >> Repair and Diagnosis >> Restraints >> Seat Belts >> Seats, Bunks, Restraint Systems - 217 Chassis (2 Of 3) >> Testing & Repair >> Remove/Install Air Pump For Multicontour Seat - AR91.25-P-1430LF

Remove/Install Air Pump For Multicontour Seat - AR91.25-P-1430LF

Model 217 

with code 432 (Dynamic seats left and right) 

Model 217 

with code P43 (Rear seat comfort package) 

Model 222.0/1/9 

with code 432 (Dynamic seats left and right) 

Model 222.0/1/9 

with code P43 (Rear seat comfort package) 

Fig 1: Multicontour Seat Air Pump Component Location - Model 217 With Code(s) 432, P43
G15346957Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Remove left cover from trunk Model 217.4
with code 432 (Dynamic seats left and right)
Model 217.4
with code P43 (Rear seat comfort package)
AR68.30-P-4800LCA
    Model 217.3
with code 432 (Dynamic seats left and right)
Model 217.3
with code P43 (Rear seat comfort package)
AR68.30-P-4600LC
    Model 222.0/1/9
with code 432 (Dynamic seats left and right)
Model 222.0/1/9
with code P43 (Rear seat comfort package)
AR68.30-P-4600LF
2 Remove woofer Model 222.0/1/9
with code 432 (Dynamic seats left and right)
with code 811 (High-End sound system)
Model 222.0/1/9
with code 811 (High-End sound system)
with code P43 (Rear seat comfort package)
AR82.62-P-7839LF
3 Take off cover (1)    
4 Remove multicontour seat pneumatic pump (M40) out of bracket (5) until electrical plug (4) can be disconnected    
5 Disconnect electrical plug (4) at multicontour seat pneumatic pump (M40)    
6 Disconnect pneumatic lines (3) INSTALLATION NOTES
Note installation position of pneumatic lines (3).
Otherwise correct function of the air cushion of the multicontour seat is no longer ensured.
NOTES
Do not kink pneumatic lines (3) on multicontour seat pneumatic pump (M40). Otherwise the pneumatic lines (3) may be damaged.
 
7 Remove multicontour seat pneumatic pump (M40) from trunk    
8 Remove terminal block (2) When replacing multicontour seat pneumatic pump (M40).  
9 Install in the reverse order