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Home >> Mercedes Benz >> 2021 >> C63 AMG 2D Convertible >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Collision - Rear Wall & Rear End >> Rear Wall And Rear End Body Repair >> Completely Remove And Install Rear Longitudinal Member - Ar64.20-P-1220LWR

Completely Remove And Install Rear Longitudinal Member - Ar64.20-P-1220LWR

Model 205.4 

Fig 1: Rear Longitudinal Member And Adjacent Component Locations (Complete) (Model 205.4)
G14805369DANGERDANGERCAUTIONREMOVINGREFER TO SPECIAL TOOLSIMPORTANTREFER TO SPECIAL TOOLSIMPORTANTIMPORTANTINSTALLINGDANGERREFER TO SPECIAL TOOLSREFER TO SPECIAL TOOLSREFER TO SPECIAL TOOLSIMPORTANTIMPORTANTREFER TO SPECIAL TOOLSIMPORTANTIMPORTANTCourtesy of MERCEDES-BENZ USA
DANGER 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
DANGER Risk of explosion  from aluminum grinding dust, risk of injury to respiratory system from inhaling dust Wear dust filter mask, safety glasses, and protective gloves.
Use a suitable, grounded dust extraction system.
AS60.00-Z-0007-01N
CAUTION 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 body repair   AH60.00-P-0001-01KOA
Notice Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
Notice Pretreatment of bonding surfaces   AH60.00-P-0008-01SX
Notice General information on crack diagnosis of aluminum parts   AH60.00-P-0014-01N
  Note on working on aluminum components and vehicles   AH60.00-P-0034-01LW
  General information on MB materials   AH98.00-P-9409-03A
REMOVING Remove     
1 Remove detachable parts in area to be repaired    
2 Cover all detachable parts remaining on vehicle with spark protection blankets    
3 Remove rear end assembly   AR64.20-P-1000LWR 
4 Remove inner side wall with partial rear outer wheelhouse   AR63.10-P-6051LWR
5 B-pillar   AR63.20-P-1350LWR
6 Partially remove rear-end floor and rear longitudinal member   AR64.20-P-1260-01LW
REFER TO SPECIAL TOOLS 000 588 00 84 00 Heat gun IMPORTANTCommercially available devices/tools 
Round wire brush
Spot weld milling machine
Wet/dry vacuum cleaner
Body and aluminum workplace
Aluminum tools
WS54.00-P-0049B
    1K-zinc dust paint *BR00.45-Z-1056-07A 
7 Remove crossmember above rear axle   AR64.20-P-1301LW 
8 Remove rear longitudinal member (1) with front end plate (11), upper crossmember (2), lower crossmember (3), mounting console (4), center reinforcement (5), center support (6), left tunnel reinforcement (7), right tunnel reinforcement (8), crossmember reinforcement (9), support (10), mounting console (12) and supports (13)   AR64.20-P-1200-22LWR 
REFER TO SPECIAL TOOLS 000 588 00 84 00 Heat gun IMPORTANTCommercially available devices/tools 
Round wire brush
Body power jigsaw
Spot weld milling machine
Wet/dry vacuum cleaner
Body and aluminum workplace
Aluminum tools
WS54.00-P-0049B
    1K-zinc dust paint *BR00.45-Z-1056-07A 
9 Prepare rear longitudinal member (1), front end plate (11), upper crossmember (2), lower crossmember (3), mounting console (4), center reinforcement (5), center support (6), left tunnel reinforcement (7), right tunnel reinforcement (8), crossmember reinforcement (9), support (10), mounting console (12) and supports (13) IMPORTANTCommercially available devices/tools 
Round wire brush
Body power jigsaw
Wet/dry vacuum cleaner
Body and aluminum workplace
Aluminum tools
AR64.20-P-1200-23LWR 
    1K-zinc dust paint *BR00.45-Z-1056-07A 
INSTALLING Install     
DANGER 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
10 Install rear longitudinal member (1), front end plate (11), upper crossmember (2), lower crossmember (3), mounting console (4), center reinforcement (5), center support (6), left tunnel reinforcement (7), right tunnel reinforcement (8), crossmember reinforcement (9), support (10), mounting console (12) and supports (13)   AR64.20-P-1200-24LWR 
REFER TO SPECIAL TOOLS 000 588 01 84 00 Welder   WS60.00-P-0021K
REFER TO SPECIAL TOOLS 000 588 02 84 00 Welder   WS60.00-P-0022K
REFER TO SPECIAL TOOLS 000 588 01 23 00 Body straightening system IMPORTANTCommercially available devices/tools 
Manual temporary fastener 6.35 mm
Blind rivet gun (minimum pull-off force 19 kN)
Hole finder
Wet/dry vacuum cleaner
Body and aluminum workplace
Aluminum tools
WS60.00-P-0023K
    1K-zinc dust paint *BR00.45-Z-1056-07A 
    Parts kit for 2-component adhesive for body *BR00.45-Z-1162-02A 
    Blind rivet Y2 6.5 x 12.5 (clamping range 2 mm to 5 mm, draw-off strength min. 19 kN) *BR00.45-Z-1012-13A 
    Blind rivet Y1 6.4 x 12 (clamping range 1 mm to 3.5 mm, draw-off strength min. 15.5 kN) *BR00.45-Z-1035-13A 
    Blind rivet Y3 6.5 x 14.5 (clamping range 4 mm to 7 mm, draw-off strength min. 19 kN) *BR00.45-Z-1016-13A 
    Blind rivet Y4 6.4 M6 (clamping range 5.82 mm to 7.82 mm, draw-off strength min. 16 kN) *BR00.45-Z-1032-13A 
    Countersunk-head blind rivet Z1 6.4 x 14.0 (clamping range 1.5 mm to 3 mm, draw-off strength min. 15.5 kN) *BR00.45-Z-1043-13A 
11 Install crossmember above rear axle   AR64.20-P-1301LW 
12 Partially prepare rear-end floor and rear longitudinal member IMPORTANTCommercially available devices/tools 
Round wire brush
AR64.20-P-1260-02LW 
    1K-zinc dust paint *BR00.45-Z-1056-07A 
13 Partially install rear-end floor and rear longitudinal member   AR64.20-P-1260-03LW 
REFER TO SPECIAL TOOLS 000 588 01 23 00 Body straightening system IMPORTANTCommercially available devices/tools 
Manual temporary fastener 6.35 mm
Blind rivet gun (minimum pull-off force 19 kN)
Spot welder
Wet/dry vacuum cleaner
Body and aluminum workplace
Aluminum tools IMPORTANT Observe set-up plans provided.
WS60.00-P-0023K
    Parts kit for 2-component adhesive for body *BR00.45-Z-1162-02A 
    Countersunk-head blind rivet Z3 6.4x17.0 (clamping area 4.5 mm to 6.5 mm, draw-off strength min. 15.5 kN) *BR00.45-Z-1055-13A 
    Blind rivet Y2 6.5 x 12.5 (clamping range 2 mm to 5 mm, draw-off strength min. 19 kN) *BR00.45-Z-1012-13A 
    Blind rivet Y3 6.5 x 14.5 (clamping range 4 mm to 7 mm, draw-off strength min. 19 kN) *BR00.45-Z-1016-13A 
    Blind rivet Y5 6.4 (clamping range 7.82 mm to 9.83 mm, draw-off strength min. 16 kN) *BR00.45-Z-1034-13A 
    Blind rivet Y4 6.4 M6 (clamping range 5.82 mm to 7.82 mm, draw-off strength min. 16 kN) *BR00.45-Z-1032-13A 
14 Install B-pillar   AR63.20-P-1350LWR
15 Install inner side wall with partial outer rear wheel well   AR63.10-P-6051LWR
16 Install rear end assembly   AR64.20-P-1000LWR 
17 Install detachable parts in area to be repaired    
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1012-13A Blind rivet Y2 6.5 x 12.5 (clamping range 2 mm to 5 mm, draw-off strength min. 19 kN) A 004 990 16 97
BR00.45-Z-1016-13A Blind rivet Y3 6.5 x 14.5 (clamping range 4 mm to 7 mm, draw-off strength min. 19 kN) A 004 990 17 97
BR00.45-Z-1032-13A Blind rivet Y4 6.4 M6 (clamping range 5.82 mm to 7.82 mm, draw-off strength min. 16 kN) A 003 990 81 97
BR00.45-Z-1034-13A Blind rivet Y5 6.4 (clamping range 7.82 mm to 9.83 mm, draw-off strength min. 16 kN) A 003 990 80 97
BR00.45-Z-1035-13A Blind rivet Y1 6.4 x 12 (clamping range 1 mm to 3.5 mm, draw-off strength min. 15.5 kN) A 000 991 76 32
BR00.45-Z-1043-13A Countersunk-head blind rivet Z1 6.4 x 14.0 (clamping range 1.5 mm to 3 mm, draw-off strength min. 15.5 kN) A 000 991 82 32
BR00.45-Z-1055-13A Countersunk-head blind rivet Z3 6.4x17.0 (clamping area 4.5 mm to 6.5 mm, draw-off strength min. 15.5 kN) A 000 991 86 32
BR00.45-Z-1056-07A 1K-zinc dust paint A 000 986 28 00
BR00.45-Z-1162-02A Parts kit for 2-component adhesive for body A 012 989 17 71