Mercedes-Benz ML320. Service manual - part 791

 

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Mercedes-Benz ML320. Service manual - part 791

 

 

AR91.18-P-1820GH

Remove front seat backrest cover

30.4.97

MODEL 

163.113 /128 /136 /154 /157 /172 /174 /175

P91.18-0394-06

1

Front seat backrest cover

2

Front seat backrest cushion

3

Front seat backrest frame

4

Backrest shell

5

Head restraint guides

6

Insert rails

7

Velcro closure

8

Wire of crosswise stapling

9

Wire rings

  

Remove/Install

1

Remove backrest shell (4) from the front seat 
backrest

AR91.10-P-1915GH

2

Pull insert rails (6) of 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.

3

Compress the bottom end of the head 
restraint guides (5) and pull out of the front 
seat backrest frame (3)

 

Installation: Install headrest guide with 

release button on the left.

4

Detach the Velcro closure (7) from the front 
seat backrest cover (1) up to the crosswise 
stapling of the front seat backrest cushion (2)

5

Bend up the wire rings (9) of the crosswise 
stapling (8)

6

Unhook wire of cross stapling (8) on the front 
seat backrest cover (1) from the open wire 
rings (9)

7

Pull the remaining Velcro closure (7) of the 
front seat backrest cover (1) from the front 
seat backrest cushion (2)

8

Remove front seat backrest cover (1) from 
the front seat backrest cushion (2)

 

Installation: Align the front seat backrest 

cover with the cutouts in the head restraint 
guide.

9

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.

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AR91.18-P-1800GH

Remove/install front seat cushion covering

6.3.97

MODEL 

163.113 /128 /136 /154 /157 /172 /174 /175

P91.18-0396-06

1

Front seat cover

2

Front seat cushion

3

Front seat frame

4

Internal Torx drive bolts (front)

5

Internal Torx drive bolts (rear)

6

Seat adjustment mechanism

7

Plug in clips

8

Velcro closure

9

Wire rings

10

Crosswise stapling

  

Remove/install

1

Remove front seat backrest

AR91.10-P-1060GH

2

Pull insert rails of front seat cover (1) off front 
seat frame (3)

 Relieve the load on the front seat cover by 

pressing down the front seat frame.

3

Press the plug-in clips (7) of the front seat 
cover (1) out of the front seat frame (3)

4

Pull off the Velcro closure (8) from the front 
seat cover (1) up to the crosswise stapling 
(10) of the front seat cushion (2)

5

Bend open the wire rings (9) of the crosswise 
stapling (10)

6

Unhook wire for the crosswise stapling (10) 
on front seat cover (1) from opened wire rings 
(9)

7

Pull remaining Velcro closure (8) off the front 
seat cushion (2)

8

Remove front seat cover (1) from front seat 
cushion (2)

9

Install in the reverse order

Copyright DaimlerChrysler AG  09.05.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorded by Modification services.

Page 1

AR91.10-P-1200GH

Remove/install front seat frame trim

4.3.97

MODEL 

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

MODEL 

163.128 /174 /175

P91.10-0548-11

Shown on right front seat

1

Front seat

2

Outer paneling

3

Front paneling

4

Inner paneling

5

Screws

6

Screws

7

Screws

8

Front seat seat belt buckle

9

Internal Torx drive bolt

S22x1

Left front seat adjustment switch connector

S23x1

Right front seat adjustment switch connector

X54/1

Seat adjustment connector

  

Remove/install

1.1

Remove front seat

 Only necessary when removing the inner 

paneling (4).

AR91.10-P-1000GH

2

Unscrew screws (5) from the front 
paneling (3)

3

Pull down the front paneling (3) approx. 
1 cm as far as the stop and remove forwards

4

Remove electrical line from the clips on the 
front paneling (3)

5.1

Disconnect left front seat adjustment switch 
connector (S22x1) or right front seat 
adjustment switch connector (S23x1) at front 
seat frame

 Up to 08/98.

6

Unscrew screws (6) from outer paneling (2)

7

Remove outer paneling (2)

8.1

Disconnect left front seat adjustment switch 
connector (S22x1) or right front seat 
adjustment switch connector (S23x1) from 
seat adjustment switch unit

 As of 09/98.

9.1

Separate seat adjustment connector (X54/1) 
from seat adjustment switch unit

 Not fitted with memory switch for left 

electrically adjustable front seat, code 241 or 
with memory switch for right electrically 
adjustable front seat, code 242a.

10

Remove electrical line from the clips on the 
outer paneling (2)

11

Unscrew screws (7) from inner paneling

12

Remove inner paneling (4)

13

Install in the reverse order

Copyright DaimlerChrysler AG  09.05.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorded by Modification services.

Page 1

GF91.29-P-0002GH

Electric seat adjustment with memory, function

14.7.99

MODEL 

163 as of 1.1.00

with CODE (241) Memory for electrically adjustable left front seat
with CODE (242a) Memory for electrically adjustable right front seat

P91.29-2114-11

Illustrated on left front seat

S91

Left front ESA switch group (with memory)

S91s1

Fore/aft switch

S91s2

Rear raise/lower switch

S91s3

Front raise/lower switch

S91s5

Backrest fore/aft switch

S91s6

Memory button 1 switch

S91s7

Memory button 2 switch

S91s8

Memory button 3 switch

S91s9

Memory store button switch

S92

Right front ESA switch group (with memory)

S92s1

Fore/aft switch

S92s2

Rear raise/lower switch

S92s3

Front raise/lower switch

S92s5

Backrest fore/aft switch

S92s6

Memory button 1 switch

S92s7

Memory button 2 switch

S92s8

Memory button 3 switch

S92s9

Memory store button switch

Electric seat adjustment with memory
The driver and passenger seat can be adjusted electrically. They can 
be adjusted manually with the adjustment switch in the corresponding 
switch group for both front seats. It is possible to store and call up 
three individual seat positions with the memory function.

Seat adjustment:
Key in ignition lock in position 1 or 2, or driver/passenger door 
opened.

The electric seat adjustment with memory is controlled by switch 
groups (S91, S92).

The head restraints can be adjusted manually.

Control modules
The left/right front seat adjustment control modules with memory 
(N32/1, N32/2) control:

-

Four seat adjustment functions

-

The front seat adjustment forward/back motor groups (M27m1, 
M28m1), the rear raise/lower motors (M27m2, M28m2) and the 
front raise/lower motors (M27m3, M28m3) as well as the 
backrest adjustment forward/back motors (M27m5, M28m5) 
are identical on the left and right seats.

Function prerequisites

-

Circuit 15R on or (ignition lock in position 1)

-

Circuit 15 on or (ignition lock in position 2)

-

Driver/passenger door opened

Adjustment functions

-

Front height adjustment

-

Longitudinal adjustment

-

Rear height adjustment

-

Backrest adjustment

Group division
The adjustment functions are divided into two groups. It is only 
possible to actuate one motor per group simultaneously. When the 
seat adjustment switch is actuated for more than one adjustment 
function within one group, actuation is accomplished in the following 
sequence:

Group 1:
-

Rear height adjustment

Group 2:
-

Longitudinal adjustment

-

Front height adjustment

-

Backrest adjustment

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

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