Remove/install left trailer hitch longitudinal member - AR31.30-P-0005M

MODEL 215.375 /378, 220.026 /028 /063 /065 /070 /075 /126 /128 /165 /170 /175 /178 1# up to 31.8.02 with CODE (550) Trailer hitch except CODE (772) AMG styling package - front spoiler, side skirts and rear apron Mechanical swing-away trailer hitch 

MODEL 215.375 /376 /378, 220.025 /026 /028 /063 /065 /067 /070 /075 /083 /084 /087 /125 /126 /128 /165 /167 /170 /175 /176 /178 /183 /184 /187 1# as of 1.9.02 with CODE (550) Trailer hitch except CODE (855) TELE AID except CODE (772) AMG styling package - front spoiler, side skirts and rear apron except CODE (979) Special protection version Mechanical swing-away trailer hitch 

Shown on model 220 

Fig 1: Identifying Left Trailer Hitch Longitudinal Member Remove/Install Components - Shown On Model 220

	Remove
	Notes on installing a trailer hitch		AH31.10-P-1000-02B
	Notes regarding work on trailer hitch		AH31.10-P-1000-01A
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
	Risk of explosion  caused by oxyhydrogen gas. Risk of poisoning and caustic burns  caused by swallowing battery acid. Risk of injury  caused by burns to skin and eyes from battery acid or when handling damaged lead-acid batteries	No fire, sparks, open flames or smoking. Wear acid-resistant gloves, clothing and safety glasses. Pour battery acid only into suitable and appropriately marked containers.	AS54.10-Z-0001-01A
1	Disconnect ground cable from battery	Insulate ground line as a protection against unintentional contact of detached ground line with ground point of battery.	AR54.10-P-0003I
	Notes on battery		AH54.10-P-0001-01A
	Notes on AGM battery	Model 215 as of 1.1.01 Model 220.028 with code 450, Taxi version Model 220.070/075/175/178/875/878 as of 1.1.01	AH54.10-P-0002-01A
2.1	Remove CD changer	Vehicles with 6-disk CD changer in luggage compartment Do not remove CD changer from the bracket, remove CD changer complete with bracket and place to the side.	AR82.64-P-7507I
3.1	Remove audio power amplifier	Model 215, 220 with sound system code 810 Do not detach electrical couplings. Do not remove sound amplifier from bracket, remove sound amplifier complete with bracket and place to the side.	AR82.62-P-7720I
4.1	Remove TV tuner	Vehicles with TV tuner code 860 up to model year 2003 code 803 Do not detach electrical couplings. Do not remove TV tuner from bracket, remove TV tuner complete with bracket and place to the side.
5	Remove trailer hitch crossmember (2)	Model 220	AR31.30-P-0007M
		Model 215	AR31.30-P-0007N
6	Remove exhaust system as of flange connection	Engine in model 215, 220	AR49.10-P-7280M
		Engine 112, 113, 613, 628, 648, 137, refer to: ↓ Remove complete exhaust system:
		Engine 112, 113	AR49.10-P-7000AA
		Engine 613	AR49.10-P-7000M
		Engine 628	AR49.10-P-7000MB
		Engine 648	AR49.10-P-7000MZ
		Engine 137	AR49.10-P-7000L
7	Remove shield above rear muffler	Only remove left shield.
8	Unscrew collar nuts (10) from left trailer hitch longitudinal member (6) in luggage compartment
9	Remove left counter tab (8) from left vehicle longitudinal member
10	Pull left trailer hitch longitudinal member (6) backwards out of left vehicle longitudinal member with sealing wedge (5)
	Install
11	Push left trailer hitch longitudinal member (6) into left vehicle longitudinal member with sealing wedge (5)	Ensure sealing wedge (5) is seated correctly.
12	Insert left counter tab (8) into left vehicle longitudinal member
13	Screw on collar nuts (10)	Install new collar nuts (10). Do not tighten collar nuts (10) yet.
14	Install crossmember for trailer hitch (2)	When installing longitudinal members, trailer hitch crossmember (2) must be centered using two alignment punches (see enlarged view).
		Model 220	AR31.30-P-0007M
		Model 215	AR31.30-P-0007N
15	Tighten collar nuts (10) of left trailer hitch longitudinal member (6) to torque	Collar nut, longitudinal member reinforcement to longitudinal frame member	*BA31.11-P-1003-01A
16	Install in the reverse order	Work step 7 to 1, except work step 5
17	Conduct function check on mechanical swing-away trailer hitch		AR31.19-P-1450M

TRAILER HITCH MECHANICAL SYSTEM