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Home >> Mercedes Benz >> 2007 >> R500 >> Repair and Diagnosis >> Collision >> General Collision Information >> Rear Wall & Rear End >> Testing & Repair >> Remove/install rear crossmember - AR64.20-P-1100RT

Remove/install rear crossmember - AR64.20-P-1100RT

MODEL 251 

Fig 1: Identifying Rear Crossmember Remove/Install Components
G10121833Courtesy of MERCEDES-BENZ USA
REMOVING Remove     
DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between the columns of the lifting platform and position the four support plates at the lifting platform support points specified by the vehicle manufacturer. AS00.00-Z-0010-01A
DANGER 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
NOTES General information on body repair All models AH60.00-N-0001-01A
1 Remove detachable body components in the repair area    
2 Cover detachable body components remaining in vehicle (area to be repaired). Tarpaulin (fire-resistant) *WH58.30-Z-1001-40A 
3 Separate outer rear center section   AR64.20-P-1000RT 
4 Remove rear crossmember   AR64.20-P-1100-01RT
SPECIAL TOOL Spot weld milling cutter Figure
COMMERCIALLY AVAILABLE TOOLS Spherical milling cutter, dia. 12 mm *WH58.30-Z-1002-01A 
COMMERCIALLY AVAILABLE TOOLS Vario Drill WS 91 spot weld removing tool *WH58.30-Z-1006-01A 
COMMERCIALLY AVAILABLE TOOLS Round wire brush, braided, dia. 70 mm *WH58.30-Z-1001-03A 
Drill (electric/pneumatic) *WE58.40-Z-1001-03A 
Body saw (electric/pneumatic) *WE58.40-Z-1004-03A 
5 Grind mating surfaces on vehicle for rear crossmember   AR64.20-P-1100-06RT
COMMERCIALLY AVAILABLE TOOLS Round wire brush, braided, dia. 70 mm *WH58.30-Z-1001-03A 
Drill (electric/pneumatic) *WE58.40-Z-1001-03A 
Wet/dry vacuum cleaner *WE58.40-Z-1005-03A 
Zinc dust paint suitable for spot welding *BR00.45-Z-1001-07A 
6 Prepare rear crossmember for installation   AR64.20-P-1100-02RT
COMMERCIALLY AVAILABLE TOOLS Hole punching pliers, dia. 7 mm *WH58.30-Z-1002-02A 
COMMERCIALLY AVAILABLE TOOLS Round wire brush, braided, dia. 70 mm *WH58.30-Z-1001-03A 
Drill (electric/pneumatic) *WE58.40-Z-1001-03A 
Wet/dry vacuum cleaner *WE58.40-Z-1005-03A 
Zinc dust paint suitable for spot welding *BR00.45-Z-1001-07A 
INSTALLING Install     
DANGER Risk of death  caused by high voltage used for arc welding. Risk of explosion  caused by welding in the area of highly inflammable materials. Risk of injury  caused by welding spatter and UV-light while welding. Risk of poisoning  caused by inhaling welding vapors. Use insulating mats. Wear protective clothing, safety glasses and protective mask. Remove highly inflammable materials from the danger zone. Use air extractor. AS00.00-Z-0007-01A
7 Weld in rear crossmember   AR64.20-P-1100-04RT
NOTES Measures for preventing damage to vehicles or components when performing arc welding work All models AH00.00-N-0005-01A
COMMERCIALLY AVAILABLE TOOLS Clamping pliers *WH58.30-Z-1003-02A 
COMMERCIALLY AVAILABLE TOOLS Round wire brush, braided, dia. 70 mm *WH58.30-Z-1001-03A 
Inert gas welder *WE58.40-Z-1001-02A 
Spot welder *WE58.40-Z-1002-02A 
Drill (electric/pneumatic) *WE58.40-Z-1001-03A 
Wet/dry vacuum cleaner *WE58.40-Z-1005-03A 
8 Install outer rear center section   AR64.20-P-1000RT 
9 Clean repair areas    
10 Prime area to be repaired with priming filler IMPORTANT .  
11 Perform seam sealing after repair   AR97.10-P-4000RT
12 Paint repair areas and adjacent surfaces IMPORTANT .  
13 Apply additional cavity preservation   AR97.20-P-1500RT
14 Reinstall all detachable body components removed    
Fig 2: Identifying Spot Weld Milling Cutter (201 589 00 51 00)
G07692600Courtesy of MERCEDES-BENZ USA
COMMERCIALLY AVAILABLE TOOLS

Number Designation
WH58.30-Z-1002-01A Ball cutter, dia. 12 mm
WH58.30-Z-1006-01A Vario Drill WS 91 spot weld removing tool
WH58.30-Z-1002-02A Hole punching pliers, dia. 7 mm
WH58.30-Z-1003-02A Clamping pliers
WH58.30-Z-1001-03A Round wire brush, braided, dia. 70 mm
WH58.30-Z-1001-40A Tarp (fire-resistant)
WORKSHOP EQUIPMENT

WE58.40-Z-1001-02A Inert gas welder
WE58.40-Z-1002-02A Spot welder
WE58.40-Z-1001-03A Drill (electric/pneumatic)
WE58.40-Z-1004-03A Body saw (electric/pneumatic)
WE58.40-Z-1005-03A Wet/dry vacuum cleaner
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1001-07A Zinc dust paint suitable for spot welding A 000 986 34 42