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Home >> Mercedes Benz >> 2021 >> GLA250 Base >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Collision - Rear Wall And Rear End - 247 Chassis >> Rear Wall And Rear End Body Repair >> Rear Longitudinal Member Remove And Install Completely - Ar64.20-P-1220MFA

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

Model 177.0 

Model 247.0/6/7 

MODIFICATION NOTES 

14.02.2019 Document revised, adapted to as-built configuration of replacement part, rivets for positioning spring mount on longitudinal member replaced with high-strength rivets.   AR64.20-P-1200-23MFA 
Fig 1: Rear Side Member And Adjacent Component Locations (Shown On Model 177.0)
G16051348Courtesy of MERCEDES-BENZ USA

Shown on model 177.0 

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  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
Notice  General information on body repair   AH60.00-P-0001-01KOA
Notice  Pretreatment of bonding surfaces   AH60.00-P-0008-01SX
  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.    
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-1000MFA 
6 Remove spare wheel well.   AR64.20-P-1245MFA 
7 Remove rear longitudinal member (1) with connection (2), rear seat reinforcement (3), cover (4), and cover (5).   AR64.20-P-1200-22MFA 
    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
8 Prepare rear longitudinal member (1) with connection (2), rear seat reinforcement (3), cover (4), and cover (5). Model 177.0, 247.0/6/7 with code U54
(Compound-link axle)
except code U55 (Multi-link axle)
AR64.20-P-1200-23MFF 
    Model 177.0, 247.0/6/7 with code U55 (Multi-link axle)
except code U54 (Compound-link axle)
AR64.20-P-1200-23MFA 
    Parts kit for 2-component adhesive for body *BR00.45-Z-1162-02A 
    1K-zinc dust paint *BR00.45-Z-1056-07A 
    Blind rivet Y2 6.5x12.5 (clamping range 2 mm to 5 mm, draw-off strength min. 19 kN) *BR00.45-Z-1012-13A 
9 Install rear longitudinal member (1) with connection (2), rear seat reinforcement (3), cover (4), and cover (5). Model 177.0 with code U54 (Compound-link axle) except code U55 (Multi-link axle)
Model 247.0/6/7 with code U54 (Compound-link axle)
except code U55 (Multi-link axle)
AR64.20-P-1200-24MFF 
    Model 177.0 with code U55 (Multi-link axle) except code U54 (Compound-link axle)
Model 247.0/6/7 with code U55 (Multi-link axle)
except code U54 (Compound-link axle)
AR64.20-P-1200-24MFA 
REFER TO SPECIAL TOOLS 000 588 50 23 00 Body straightening system   WS60.00-P-0439K
    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 Clean weld joints and sheet metal flange.    
12 Install spare wheel well.   AR64.20-P-1245MFA 
13 Completely install bottom rear-end center section.   AR64.20-P-1000MFA 
14 Remove spark protection blankets.    
15 Reinstall detachable parts in area of 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