Mercedes-Benz ML320. Service manual - part 792

 

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Mercedes-Benz ML320. Service manual - part 792

 

 

The seat position is sensed by one potentiometer each on the 
motors for the adjustment functions. Association of the direction of 
rotation of the motor and the potentiometer is accomplished 
automatically.

Button actuation
There are two possibilities for storing the seat position:

a)

First press and hold the memory button (S91s9 or S92s9) and 
then press the corresponding memory location button 
(S91s6/S91s7/S91s8 or S92s6/S92s7/S92s8) in addition.

b)

First press and then release the memory button (S91s9 or 
S92s9). Then press the corresponding memory location button 
(S91s6/S91s7/S91s8 or S92s6/S92s7/S92s8) 
(within 

T

 3 s).

c)

Storage is accomplished in the left/right front seat adjustment 
control modules with memory (N32/1, N32/2).

Calling up stored seat positions
Press desired memory location button (S91s6/S91s7/S91s8 or 
S92s6/S92s7/S92s8) until the seat is adjusted to the stored position.

When adjusting the seat one adjustment function per group is 
actuated. If the position button is released while moving to a stored 
position the adjustment stops immediately.

Front seat adjustment switch group, 
location/design/function

Model 163 with codes 241, 242a 

GF91.29-P-2100GM

Front seat adjustment motor group, 
location/function

Model 163 with codes 241, 242a 

GF91.29-P-2103GM

Left front seat adjustment control module with 
memory, location/purpose

Model 163 with codes 241, 242a 

GF91.29-P-2106GH

Right front seat adjustment control module 
with memory, location/purpose

Model 163 with codes 241, 242a 

GF91.29-P-2107GH

Copyright DaimlerChrysler AG  14.06.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorded by Modification services.

Page 2

AR91.29-P-1431GH

Remove/install backrest motor for front seat

7.4.97

MODEL 

163.113 /136 /154 /157 /172 with CODE (221b) Electrically adjustable driver and passenger seat

MODEL 

163.128 /174 /175

P91.29-0332-06

1

Front seat backrest cover

2

Backrest

3

Front seat backrest frame

4

Lock washer

5

Damper rubber

6

Nut

7

Adjusting shaft

M25m5 Backrest forward/back motor
X54/20  Backrest motor connector

  

Remove/install

1

Remove front seat backrest

AR91.10-P-1060GH

2

Remove backrest shell (2) from the front seat 
backrest

AR91.10-P-1915GH

3

Pull the insert rails on the front seat backrest 
cover (1) off the front seat backrest frame (3)

 Relieve the load on the front seat backrest 

cover by pressing down the front seat 
backrest frame.

4

Pull off lock washer (4) of the adjusting shaft 
(7) on one side

 

Installation: Replace lock washer.

5

Unscrew nut (6) on backrest forward/back 
motor (M25m5)

 

Installation: Replace self-locking nut.

6

Remove damper rubber (5)

7

Pull out adjusting shaft (7) sideways

8

Disconnect backrest motor connector 
(X54/20) from backrest forward/back motor 
(M25m5)

9

Remove backrest forward/back 
motor (M25m5)

 Lift up front seat backrest cushion approx. 

10 cm from the front seat backrest frame.

10

Install in the reverse order

Copyright DaimlerChrysler AG  14.06.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorded by Modification services.

Page 1

AR91.29-P-1420GH

Removing and installing front power seat motor group (seat cushion)

7.3.97

MODEL 

163 with CODE (221b) Electrically adjustable left and right front seats 

P91.29-0333-06

1

Seat cushions

2

Screws

3

Screws

4

Front bearing plate

5

Rear bearing plate

6

Snap rings

7

Bearing pin

8

Screws

M25m2

Rear up/down motor

M25m3

Front up/down motor

Operation no. of operation texts or of standard texts and flat rates

Division

Operation 
no.

Operation text

P

916008

REMOVING DRIVE MOTOR FOR DRIVER'S SEAT LONGITUDINAL ADJUSTMENT (SEAT REMOVED)

P

916013

REMOVING DRIVE MOTOR FOR DRIVER'S SEAT HEIGHT ADJUSTMENT (SEAT REMOVED)

P

916058

REMOVING DRIVE MOTOR FOR PASSENGER SEAT LONGITUDINAL ADJUSTMENT (SEAT REMOVED)

P

916063

REMOVING DRIVE MOTOR FOR PASSENGER SEAT HEIGHT ADJUSTMENT (SEAT REMOVED)

  

Removal, installation

1

Remove front seat backrest

AR91.10-P-1060GH

2

Unscrew screws (2) on seat frame 

 Torx bit set

*000589011000

3

Remove seat cushion (1) from seat 
adjustment mechanism

4

Disconnect connectors from adjustment 
motors (M25m2, M25m3)

5

Unscew screws (3) on bearigng plates (4, 5)

 Torx bit set

*000589011000

6

Remove bearing plates (4, 5)

7

Remove  snap rings (6) on bearing pins (7), 
press bearing pins out of fork heads

8

Unscrew screws (8) on shaft beerings

 Torx bit set

*000589011000

9

Remove adjustment motors (M25m2, M25m3)

10

Install in opposite order

11

Check for proper function

 See Owner's Manual

Copyright DaimlerChrysler AG  14.06.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorded by Modification services.

Page 1

Torx bit set

000 589 01 10 00

Copyright DaimlerChrysler AG  14.06.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorded by Modification services.

Page 2

 

 

 

 

 

 

 

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