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Home >> Mercedes Benz >> 2018 >> SL550 >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Rear Wall & Rear End >> Testing & Repair >> Replace complete bottom rear center section - AR64.20-P-1000RK

Replace complete bottom rear center section - AR64.20-P-1000RK

MODEL 231 

Fig 1: Rear Center Section And Crossmember
G11129036Courtesy of MERCEDES-BENZ USA
REMOVING Removing     
DANGER Risk of death  caused by high voltage used for electric welding. Risk of explosion  caused by welding in the area of highly inflammable materials. Risk of injury  caused by welding splatter and UV light while welding. Risk of poisoning  caused by inhaling welding fumes. Use insulating mats. Wear protective clothing, safety glasses and protective mask. Remove highly inflammable materials from the hazard area. Use air extractor system. AS00.00-Z-0007-01A
DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer. AS00.00-Z-0010-01A
DANGER 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
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
DANGER Risk of explosion  from aluminum grinding dust, risk of injury to respiratory system from inhaling dust Wear protective respiratory mask, protective gloves and safety glasses.
Use suitable, grounded vacuum cleaner
AS60.00-Z-0007-01N
NOTES Measures for preventing damage to components when performing electric welding and soldering work   AH60.00-P-0001-02A
NOTES General information on body repair   AH60.00-P-0001-01A
NOTES Pretreatment of bonding surfaces   AH60.00-P-0008-01SX
NOTES General information on crack diagnosis of aluminum parts   AH60.00-P-0014-01N
IMPORTANT General notes on welding   AH60.00-P-0005-01N
IMPORTANT General information on MB materials   AH98.00-P-9409-03A
IMPORTANT General information on riveting   AH60.00-P-0003-01N
IMPORTANT Note for working on aluminum components and vehicles   AH60.00-P-0034-01SL
1 Remove detachable parts in area to be repaired    
2 Cover all detachable parts remaining on vehicle with spark protection blanket Spark protection blanket  
3 Separate rear center section (1) Hot-air gun
 
 
    Round stainless steel brush Ø 75 mm braided
 
Riveter for self-piercing rivets
Spindle grinder, 400 W GTC-082A/special tool
 
Safety vacuum cleaner, dust class B1
 
AR64.20-P-1000-02RK
REFER TO FORMS Recycle aluminum parts   OS60.00-P-0001-01N
4 Prepare new rear center section (1) for installation Round stainless steel brush Ø 75 mm braided
 
Safety vacuum cleaner, dust class B1
AR64.20-P-1000-07RK
INSTALLING Install     
5 Install rear end center assembly (1) Round stainless steel brush Ø 75 mm braided
 
Riveter for self-piercing rivets
TAURUS 4 - pneum. riveter
Vise grip pliers
 
Drill GTC-041B
 
Drill set
Countersink 120°
 
MIG/MAG aluminum welder
 
Safety vacuum cleaner, dust class B1
Passenger car straightening system (Car Bench)
 
Straightening systems for passenger cars (Car-O-Liner)
 
AR64.20-P-1000-08RK
    White sealing compound, 310 ml, DBL 6069.20 *BR00.45-Z-1003-01A 
    Adhesive kit, body, 2-component adhesive *BR00.45-Z-1092-02A 
    Blind rivet 6.5 12.5 *BR00.45-Z-1012-13A 
    Flow-form rivet 3.35 mm up to 4.1 mm clamping range (A2) *BR00.45-Z-1024-13A 
6 Clean weld joints and sheet metal flanges with rotary wire brush Round stainless steel brush Ø 75 mm braided  
7 Remove spark protection blankets    
8 Clean repair area Safety vacuum cleaner, dust class B1  
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 skin cream. Ensure that the area is well ventilated. AS98.00-Z-0002-01A
9 Prime repair area using primer filler IMPORTANT Use only primer filler approved by Daimler AG.  
NOTES Notes on paintwork repairs   AH98.00-P-9408-02A
10 Carry out seam sealing after repairs IMPORTANT Supplement standard seam seal. AR97.10-P-4000RK
    White sealing compound, 310 ml, DBL 6069.20 *BR00.45-Z-1003-01A 
    Seam sealant, sprayable 310 ml *BR00.45-Z-1041-01A 
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 skin cream. Ensure that the area is well ventilated. AS98.00-Z-0002-01A
11 Paint repair areas and adjacent surfaces IMPORTANT Use only paints approved by Daimler AG.  
NOTES Notes on paintwork repairs   AH98.00-P-9408-02A
12 Apply additional cavity preservation   AR97.20-P-1500RK
NOTES Notes on cavity preservation   AH97.20-P-0001-01B
    Cavity sealant, solvent-free (1 l container) *BR00.45-Z-1003-05A 
13 Install all detachable body components in area to be repaired    
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1003-01A White sealing compound, 310 ml, DBL 6069.20 A 001 989 63 20
BR00.45-Z-1041-01A Seam sealant, sprayable 310 ml A 002 989 84 20
BR00.45-Z-1092-02A Adhesive kit, body, 2-component adhesive A 009 989 36 71
BR00.45-Z-1003-05A Cavity sealant, solvent-free (1 l container) A 000 986 72 70 05
BR00.45-Z-1012-13A Blind rivet 6.5 12.5 A 004 990 16 97
BR00.45-Z-1024-13A Flow-form rivet 3.35 mm up to 4.1 mm clamping range (A2) A 000 991 08 33