Remove/install head restraint on front seat - AR91.16-P-0040CW

MODEL 204.0/2/9 (except 204.077/277), 211.0/2/6 as of 15.8.07, 212, 218, 219.3 as of 14.8.07 

MODEL 463.202/222/236/237/270/271/303/340/341 with CODE (XY9) Modification year 2009 

Fig 1: Identifying Front Seat Head Restraint Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Shown on model 204.052, left front seat with code (275) Memory package (driver seat, steering column, mirrors) 

	Remove/install
	Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts	Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels.	AS00.00-Z-0017-01A
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Remove seat-back lining from left or right front seat backrest	Model 204, 212	AR91.10-P-1910CW
		Model 211 at driver seat Model 211 at front passenger seat without code (842) Folding front passenger backrest (usable as table)	AR91.10-P-1910TB
		Model 219	AR91.10-P-1910TX
		Model 463	AR91.10-P-1910GP
2	Adjust front seat backrest toward rear until head restraint (1) can be removed from front seat backrest
3.1	Disconnect battery ground line	Model 204	AR54.10-P-0003CW
		Model 212, 218	AR54.10-P-0003EW
3.2	Switch off the ignition and remove the transmitter key from the EIS control unit	Model 211, 219 On vehicles with code (889) Keyless go: Press keyless go start/stop button repeatedly until ignition is switched off. Remove the transmitter key from the vehicle and store it in a location beyond its transmission range (at least 2 meters).
4	Disconnect driver NECK-PRO head restraint electrical connector (X150/1) or front passenger NECK-PRO head restraint electrical connector (X150/2)	Model 204, 211, 212, 218, 219
5	Unclip head restraint (1) from left and right mount (3) of bracket (4)	Model 204 with code (242) Electrically adjustable front passenger seat with memory or with code (275) Memory package (driver seat, steering column, mirrors) Model 212, 218 with code (275) Memory package for electrically adjustable front seats Model 463 Installation:  Ensure head restraint supports (10) are properly seated in mounts (3) of bracket (4).
6	Route electrical line (5) of head restraint (1) through right mount (3)	Model 204, 211, 212, 218, 219 Observe routing of electrical line (5).
7	Unhook securing strap (2) of cover from backrest frame (8) and pull cover upwards until spring (6) of head restraint guide (7) is accessible	Do not pull cover too far upwards, since the cover may otherwise split at the seam.
8.1	Lift spring (6) of left head restraint guide (7), pull out head restraint (1) and route electrical line (5) through the right head restraint guide (7)	Model 204 without code (275) Memory package (driver seat, steering column, mirrors) or without code (242) Electrically adjustable front passenger seat with memory, Model 212, 218 without code (275) Memory package for electrically adjustable front seats To remove the head restraint (1) the head restraint (1) must be unlocked at the left head restraint guide (7) using the adjustment button.
8.2	Lift spring (6) of left head restraint guide (7) and remove head restraint (1)	Model 463
9	Remove head restraint (1)
10	Install in the reverse order