Completely remove/install rear longitudinal member - AR64.20-P-1220GQX

MODEL 166 

Shown on model 166.8 

Fig 1: Identifying Rear Longitudinal Member Remove/Install Components - Shown On Model (166.8)

Courtesy of MERCEDES-BENZ USA

	The high voltage used for electric welding presents a lethal hazard. Risk of explosion  from welding in areas close to highly inflammable materials. Risk of injury  from weld splatter and UV-light when welding. Risk of poisoning  from inhaling welding gases	Use insulating mats. Wear protective clothing, safety glasses and a protective mask. Remove highly flammable materials from the hazard area. Use air extraction system.	AS00.00-Z-0007-01A
	Risk of death  caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by vehicle manufacturer.	AS00.00-Z-0010-01A
	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
	General information on MB materials		AH98.00-P-9409-03A
	Measures for preventing damage to components when performing electric welding and soldering work		AH60.00-P-0001-02A
	Remove
1	Remove detachable parts in area to be repaired
2	Cover all detachable parts remaining in vehicle with fire-resistant welding protection blanket
3	Equip straightening bench with module members, cross members and straightening tool set	Straightening systems for passenger cars (Car Bench) Straightening systems for passenger cars (Celette) Straightening systems for passenger cars (Car-O-Liner)
4	Place vehicle on straightening bench and fasten
5	Remove rear fender	MODEL 166.8	AR63.50-P-1400GQX
		MODEL 166.0	AR63.50-P-1400GQ
6	Remove rear outer wheel well	MODEL 166.8	AR63.10-P-0665GQX
		MODEL 166.0	AR63.10-P-0665GQ
7	Remove rear center section		AR64.20-P-1000GQ
8	Remove rear crossmember		AR64.20-P-1100-01GQ
		Commercially available tools Round brush Weld-spot milling machine Wet and dry vacuum cleaner
9	Remove spare wheel well		AR64.20-P-1245GQ
10	Remove complete rear longitudinal member		AR64.20-P-1200-22GQX
		Commercially available tools Round brush Weld-spot milling machine Body jig saw Heat gun Wet and dry vacuum cleaner
		Zinc dust paint suitable for spot welding	*BR00.45-Z-1001-07A
11	Prepare rear longitudinal member for installation		AR64.20-P-1200-23GQX
		Commercially available tools Weld-spot milling machine Round brush
		Zinc dust paint suitable for spot welding	*BR00.45-Z-1001-07A
12	Prepare rear crossmember for installation		AR64.20-P-1100-02GQ
	Install
13	Completely install rear longitudinal member		AR64.20-P-1200-24GQX
		Commercially available tools Spot welder Round brush Manual temporary fastener, 6.35 mm Wet and dry vacuum cleaner
		White sealing compound, 310 ml, DBL 6069.20 MIG-MAG inert gas welder (steel, brazing, aluminum) Multifunction device (spot welding)	*BR00.45-Z-1003-01A
14	Install spare wheel well		AR64.20-P-1245GQ
15	Install rear crossmember		AR64.20-P-1100-05GQ
		Spot welder Round brush Manual temporary fastener, 6.35 mm Wet and dry vacuum cleaner Blind/self-piercing riveting
16	Completely install lower rear center section		AR64.20-P-1000GQ
17	Install outer rear wheel well	MODEL 166.8	AR63.10-P-0665GQX
		MODEL 166.0	AR63.10-P-0665GQ
18	Install rear fender	MODEL 166.8	AR63.50-P-1400GQX
		MODEL 166.0	AR63.50-P-1400GQ
19	Release vehicle from straightening bench, lift vehicle and remove straightening bench
20	Clean repair area
21	Remove welding protection blankets
	Risk of explosion  caused by paint vapors igniting. Risk of poisoning  caused by inhaling paint vapors.	No smoking! No open fire! Use respiratory protection, protective clothing, gloves, safety glasses and skin cream. Ensure that the area is well ventilated.	AS98.00-Z-0002-01A
22	Prime repair area with primer filler	Use only primer filler approved by Daimler AG.
23	Carry out seam sealing after repairs		AR97.10-P-4000GQ
		Supplement standard seam seal.
	Risk of explosion  caused by paint vapors igniting. Risk of poisoning  caused by inhaling paint vapors.	No smoking! No open fire! Use respiratory protection, protective clothing, gloves, safety glasses and skin cream. Ensure that the area is well ventilated.	AS98.00-Z-0002-01A
24	Paint repair area adjacent surfaces	Use only paints approved by Daimler AG.
25	Apply additional cavity preservation		AR97.20-P-1500GQ
26	Install all removed detachable parts

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1001-07A	Zinc dust paint suitable for spot welding	A 000 986 34 42
BR00.45-Z-1003-01A	White sealing compound, 310 ml, DBL 6069.20	A 001 989 63 20