Remove/install rear seat head restraint motor

AR91.29-P-1460PV

Remove/install rear seat head restraint motor

16.2.12

 

Remove/install

1

Activate service mode in Telematic Alarm Identification on Demand (emergency call system) (TELE AID)

Only on model 463.248 up to 1.4.07 with code (ET2) TELE AID car telephone emergency call system

AR82.95-P-0005-03GR



Notes regarding the Tele-Aid emergency call system

AH82.95-P-0001-01GA

2

Remove heat restraints

 See Operator's Manual

3

Remove drive motor for seat height adjustment

Only on model 463.241

AR91.29-P-1421PV

 This operation step is necessary, to ensure that the electrical line of the head restraint drive can be removed.

 Danger!

Risk of explosion caused by escaping oxyhydrogen gas. Risk of injury caused by caustic burns to eyes, skin and mucous membranes from battery electrolyte (contains diluted sulfuric acid) or metal spatter due to short circuit. Risk of burn injuries caused by short circuit. Risk of poisoning caused by swallowing battery electrolyte (contains diluted sulfuric acid) or absorption of lead over the skin or orifices

No fire, sparks, open flames or smoking.

Wear acid-resistant gloves and clothing and safety glasses with side guards.

Do not place any conductive objects on the battery and avoid any short circuit from battery positive to ground.

Only fill liquid battery electrolyte (diluted sulfuric acid) into suitable and appropriately marked containers.

AS54.10-Z-0001-01A

4

Disconnect ground line of battery (G1)

Model 463.241 with code (979) Special protection version, with code (ZS6) Special protection version FB6, with code (E26) Additional battery 100 Ah incl. cutoff relay,
Model 463.241 with code (979) Special protection version, with code (ZS7) Special protection version FB7, with code (E26) Additional battery 100 Ah incl. cutoff relay

AR54.10-P-0003PV

Model 463.236/248 with code (979) Special protection version, with code (ZS6) Special protection version FB6, with code (E26) 100 Ah additional battery incl. cutoff relay,

Model 463.236/248 with code (979) Special protection version, with code (ZS7) Special protection version FB7, with code (E26) Additional battery 100 Ah incl. cutoff relay

AR54.10-P-0003PM



Notes on battery

All models

AH54.10-P-0001-01A

5

Remove paneling of rear seat backrest

Model 463.241 with code (ZS7) Special protection version FB7,

Model 463.236/248 with code (ZS6) Special protection version FB6,

With code (ZS7) Special protection version FB7

AR91.12-P-1131PM

6

Detach electrical line from head restraint up/down motor (M25/1m4) or head restraint up/down motor (M26/1m4)

 To do so, open connector housing.

7

Detach seat cover (3) on right side of backrest frame

8

Remove flexible shaft for head restraint drive (4) from head restraint up/down motor (M25/1m4) or head restraint up/down motor (M26/1m4) and plastic guide for flexible shaft (7)

 Installation: Long square of shaft for left side, short square of shaft for right side.

9

Remove screws for head restraint motor (5)

10

Remove screws on plastic grommet (6)

11

Remove plastic grommet (6) from backrest

12

Remove head restraint up/down motor (M25/1m4) or head restraint up/down motor (M26/1m4) with electrical line from backrest frame

13

Install in the reverse order

14

Deactivate service mode in Telematic Alarm Identification on Demand (emergency call system) (TELE AID)

Only on model 463.248 up to 1.4.07 with code (ET2) TELE AID car telephone emergency call system

AR82.95-P-0005-03GR



Notes regarding the Tele-Aid emergency call system

AH82.95-P-0001-01GA

15

Read out fault memory and erase

 STAR DIAGNOSIS
Stored faults which can result from lines being disconnected or from simulation during removal and installation or test work, have to be processed and erased in the fault memories after completing the work



Connect STAR DIAGNOSIS and read out fault memory

AD00.00-P-2000-04A

16

Perform basic programming

Only on model 463.236/248

AR00.19-P-0200P

17

Perform a function test