Replace Complete Bottom Rear Center Section - Ar64.20-P-1000LWX

Model 253.3 

Model 293 

Fig 1: Center Rear Body Panel Component Location (Model 253.3)

Courtesy of MERCEDES-BENZ USA

	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 the vehicle manufacturer.	AS00.00-Z-0010-01A .
	Risk of death  when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC)	Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines.	AS00.00-Z-0035-01A .
	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 .
Notice	General information on vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system as well as personal protective equipment		AH00.00-Z-0300-01A .
Notice	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A .
Notice	Notes on battery		AH54.10-P-0001-01A .
Notice	General information on body repair		AH60.00-P-0001-01KOA .
	General information on MB materials		AH98.00-P-9409-03A .
	Remove
1	Remove detachable parts in area to be repaired
2	Cover all detachable parts remaining on vehicle with spark protection blankets
3	Separate rear center section (1)	Commercially available devices/tools  Round wire brush Spot weld milling machine Wet/dry vacuum cleaner	AR64.20-P-1000-02LWX .
		1K-zinc dust paint	*BR00.45-Z-1056-07A .
4	Prepare rear center section (1) for installation		AR64.20-P-1000-07LWX .
		Commercially available devices/tools  Round wire brush 1K-zinc dust paint	*BR00.45-Z-1056-07A .
	Install
	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 inflammable materials from the hazard area. Use air extraction system.	AS00.00-Z-0007-01A .
Notice	Measures for preventing damage to components when performing electric welding and soldering work		AH60.00-P-0001-02A .
	General information on riveting		AH60.00-P-0003-01N .
5	Install rear end center assembly (1)		AR64.20-P-1000-08LWX .
	000 588 01 84 00 Welder		WS60.00-P-0021K .
	000 588 02 84 00 Welder		WS60.00-P-0022K .
		Gap dimensions on hoods, doors and lids Commercially available devices/tools  Round wire brush Manual temporary fastener 6.35 mm Blind rivet gun (minimum pull-off force 19 kN) Wet/dry vacuum cleaner	AR60.00-P-0700-01LW .
		Blind rivet Y2 6.5X12.5 (clamping range 2 mm to 5 mm, draw-off strength min. 19 kN)	*BR00.45-Z-1012-13A .
		Countersunk-head blind rivet Z2 6.4X15.5 (clamping range 3 mm to 5 mm, draw-off strength min. 15.5 kN)	*BR00.45-Z-1044-13A .
		Blind rivet Y1 6.4X12 (clamping range 1 mm to 3.5 mm, draw-off strength min. 15.5 kN)	*BR00.45-Z-1035-13A .
		1K-zinc dust paint	*BR00.45-Z-1056-07A .
		Feeler gauge	Fig 2.
6	Clean welds and sheet metal flanges	Commercially available devices/tools  Round wire brush
7	Remove spark protection blankets
8	Clean repair area	Commercially available devices/tools  Wet/dry vacuum cleaner
9	Prime repair area using primer filler
Notice	Notes on paintwork repairs		AH98.00-P-9408-02A .
	General information on operation items and work procedures for painting	Use only primer fillers approved by  manufacturer. See guidelines for paint technology in the workshop information.	AH98.00-P-0003-01A .
10	Seal seam following repairs		AR97.10-P-4000LW .
11	Paint repair areas and adjacent surfaces
Notice	Notes on paintwork repairs		AH98.00-P-9408-02A .
	General information on operation items and work procedures for painting	Only use paints approved by the manufacturer. See guidelines for paint technology in the workshop portal.	AH98.00-P-0003-01A .
12	Add cavity preserving agent		AR97.20-P-1500LW
13	Install all detachable body components in area to be repaired

Fig 2: Feeler Gauge (129 589 03 21 00)

Courtesy of MERCEDES-BENZ USA

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1012-13A	Blind rivet Y2 6.5X12.5 (clamping range 2 mm to 5 mm, draw-off strength min. 19 kN)	A 004 990 16 97
BR00.45-Z-1035-13A	Blind rivet Y1 6.4X12 (clamping range 1 mm to 3.5 mm, draw-off strength min. 15.5 kN)	A 000 991 76 32
BR00.45-Z-1044-13A	Countersunk-head blind rivet Z2 6.4X15.5 (clamping range 3 mm to 5 mm, draw-off strength min. 15.5 kN)	A 000 991 83 32
BR00.45-Z-1056-07A	1K-zinc dust paint	A 000 986 28 00