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Home >> Mercedes Benz >> 2020 >> CLA45 AMG >> Repair and Diagnosis >> Collision >> Body Panels >> Collision - Rear Wall And Rear End - 118 Chassis >> Rear Wall And Rear End Body Repair >> Rear Longitudinal Member Completely Removal And Installation - Ar64.20-P-1220MFD

Rear Longitudinal Member Completely Removal And Installation - Ar64.20-P-1220MFD

Model 118.3/6 

Fig 1: Rear Longitudinal Member Component Location (Shown On Model 118.3)
G16063708Courtesy of MERCEDES-BENZ USA

Shown On Model 118.3 

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
WARNING Risk of injury  . Skin or eye injuries may result when handling hot or glowing objects. Wear protective gloves, protective clothing and safety glasses, if necessary. AS00.00-Z-0002-01A
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 Pretreatment of bonding surfaces   AH60.00-P-0008-01SX
  Notes on safety-relevant components   AH00.00-Z-0019-01A
  General information on MB materials   AH98.00-P-9409-03A
REMOVING Remove     
1 Remove detachable parts in area of repair point.    
2 Cover all detachable parts remaining in vehicle with spark protection blankets. IMPORTANTCommercially available devices/tools 
Spark-proof blankets
 
3 Set up straightening bench with straightening bench support members and straightening set.    
REFER TO SPECIAL TOOLS 000 588 50 23 00 Body straightening system   WS60.00-P-0439K
4 Place vehicle on straightening bench and fasten.    
5 Completely remove bottom rear-end center section.   AR64.20-P-1000MFC 
6 Remove spare wheel well.   AR64.20-P-1245MFC 
7 Remove the rear longitudinal member (1) with connection (2), rear-seat reinforcement (3), cover (4), cover (5) and fastening bracket (7).   AR64.20-P-1200-22MFD 
REFER TO SPECIAL TOOLS 000 588 15 84 00 Heat gun IMPORTANTCommercially available devices/tools 
Round wire brush
Spot weld milling machine
Body saw
Wet/dry vacuum cleaner
WS54.00-P-0125B
    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
DANGER Risk of explosion and poisoning  caused by solvent vapors and gasses. Risk of injury  to skin and eyes when working with anticorrosion agents Never spray corrosion protection on flames or hot, glowing objects and keep them well away from all potential sources of ignition. Use them only in well-ventilated rooms; wear respiratory protection. AS97.00-Z-0001-01A
DANGER 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 protective skin cream. Ensure that the area is well ventilated. AS98.00-Z-0002-01A
WARNING Risk of poisoning  caused by inhaling vapors or swallowing adhesive. Risk of injury  caused by adhesive coming into contact with skin and eyes Wear respiratory protection, protective gloves and safety glasses. Pour adhesive into suitable and appropriately marked containers only. AS00.00-Z-0016-01A
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
8 Prepare the rear longitudinal member (1) with connection (2), rear-seat reinforcement (3), cover (4), cover (5) and fastening bracket (7).   AR64.20-P-1200-23MFD 
REFER TO SPECIAL TOOLS 000 588 13 84 00 Welder IMPORTANTCommercially available devices/tools 
Round wire brush
Body saw
Wet/dry vacuum cleaner
WS60.00-P-0437K
    Parts kit for 2-component adhesive for body *BR00.45-Z-1162-02A 
    1K-zinc dust paint *BR00.45-Z-1056-07A 
9 Install the rear longitudinal member (1) with connection (2), rear-seat reinforcement (3), cover (4), cover (5) and fastening bracket (7).   AR64.20-P-1200-24MFD 
REFER TO SPECIAL TOOLS 000 588 50 23 00 Body straightening system   WS60.00-P-0439K
REFER TO SPECIAL TOOLS 000 588 12 84 00 Welder IMPORTANTCommercially available devices/tools 
Wet/dry vacuum cleaner
WS00.00-P-0318K
    Parts kit for 2-component adhesive for body *BR00.45-Z-1162-02A 
    Blind rivet Y2 6.5x12.5 (clamping range 2 mm to 5 mm, draw-off strength min. 19 kN) *BR00.45-Z-1012-13A 
    Blind rivet Y3 6.5x14.5 (clamping range
4 mm to 7 mm, draw-off strength min. 19 kN)
*BR00.45-Z-1016-13A 
    1K-zinc dust paint *BR00.45-Z-1056-07A 
10 Release vehicle from straightening bench, lift and remove straightening bench.    
11 Install spare wheel well.   AR64.20-P-1245MFC 
12 Completely install bottom rear-end center section.   AR64.20-P-1000MFC 
13 Clean weld joints and sheet metal flange. IMPORTANTCommercially available devices/tools 
Round wire brush
 
14 Remove all spark protection blankets. IMPORTANTCommercially available devices/tools 
Spark-proof blankets
 
15 Clean repair areas. IMPORTANTCommercially available devices/tools 
Wet/dry vacuum cleaner
 
16 Prime repair areas with a primer filler.    
Notice Notes on paintwork repairs   AH98.00-P-9408-02A
  General information on operation items and work procedures for painting IMPORTANT Use only primer filler approved by Daimler AG: http://xentryportal.mercedes-benz.com AH98.00-P-0003-01A
17 Seal seam after repair.   AR97.10-P-4000MFA
18 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 IMPORTANT Use only paints approved by Daimler AG:
http://xentryportal.mercedes-benz.com
AH98.00-P-0003-01A
19 Supplement cavity preservation.   AR97.20-P-1500MFA
20 Install detachable parts in the area of the repair point.    
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-1016-13A Blind rivet Y3 6.5x14.5 (clamping range 4 mm to 7 mm, draw-off strength min. 19 kN) A 004 990 17 97
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