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Home >> Mercedes Benz >> 2016 >> B250e >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Rear Wall & Rear End >> Testing & Repair >> Replace complete rear end - AR64.20-P-1020NKB

Replace complete rear end - AR64.20-P-1020NKB

MODEL 242, 246 

Fig 1: Identifying Rear End
G10251277DANGERDANGERNOTESIMPORTANTIMPORTANTREMOVINGIMPORTANTIMPORTANTINSTALLINGDANGERDANGERNOTESIMPORTANTREFER TO SPECIAL TOOLSREFER TO SPECIAL TOOLSIMPORTANTSPECIAL TOOLIMPORTANTIMPORTANTDANGERNOTESIMPORTANTIMPORTANTDANGERNOTESIMPORTANTCourtesy 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 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 Pretreatment of bonding surfaces   AH60.00-P-0008-01SX
IMPORTANT General information on body repair   AH60.00-P-0001-01A
IMPORTANT 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 blanket    
3 Separate rear end (1)   AR64.20-P-1020-01NKB
IMPORTANTCommercially available devices/tools 
Round brush
Spot weld milling machine
Body jig saw
Heat gun
Wet and dry vacuum cleaner
 
Zinc dust paint suitable for spot welding *BR00.45-Z-1001-07A 
4 Prepare rear end (1) for welding in   AR64.20-P-1020-02NKB
IMPORTANTCommercially available devices/tools 
Round brush
Hole punching pliers (Ø 6 mm) Wet and dry vacuum cleaner
 
Zinc dust paint suitable for spot welding *BR00.45-Z-1001-07A 
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 flammable materials from the hazard area. Use air extraction system. AS00.00-Z-0007-01A
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
NOTES Measures for preventing damage to components when performing electric welding and soldering work   AH60.00-P-0001-02A
IMPORTANT General information on riveting   AH60.00-P-0003-01N
5 Install rear end (1) and weld in   AR64.20-P-1020-03NKB
REFER TO SPECIAL TOOLS 000 588 02 39 00 Rivet press tool   WS60.00-P-0010B
REFER TO SPECIAL TOOLS 000 588 02 84 00 Welder   WS60.00-P-0022K
IMPORTANTCommercially available devices/tools 
Round brush
Spot welder
Manual temporary fastener, 6.35 mm
Wet and dry vacuum cleaner
 
Gap dimension *BE60.00-P-1003-01AA 
Zinc dust paint suitable for spot welding *BR00.45-Z-1001-07A 
Adhesive kit, body, 2-component adhesive *BR00.45-Z-1092-02A 
Blind rivet 6.5 X 12.5 *BR00.45-Z-1012-13A 
SPECIAL TOOL Feeler gauge Fig 2
For measuring points of gap dimensions on body see: ↓  
Gap dimensions on hoods, doors and lids AR60.00-P-0700-01NKB
6 Clean weld joints and sheet metal flanges with rotary wire brush IMPORTANTCommercially available devices/tools  Round brush  
7 Remove spark protection blankets    
8 Clean repair area IMPORTANTCommercially available devices/tools  Wet and dry vacuum cleaner  
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
9 Prime repair area using primer filler    
NOTES Notes on paintwork repairs   AH98.00-P-9408-02A
    IMPORTANT Use only primer filler approved by Daimler AG
 
 
10 Carry out seam sealing after repairs   AR97.10-P-4000NKB
IMPORTANT Supplement standard seals with sealant.  
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
11 Paint repair areas and adjacent surfaces    
NOTES Notes on paintwork repairs   AH98.00-P-9408-02A
    IMPORTANT Use only paints approved by Daimler AG  
12 Apply additional cavity preservation   AR97.20-P-1500NKB
13 Install all detachable body components in area to be repaired    
TEST AND ADJUSTMENT VALUES FOR GAP DIMENSIONS

Number Designation MODEL 242, MODEL 246 up to model year 2015 Model 246 as of model year 2015
BE60.00-P-1003-01AA Gap dimension Liftgate to roof (rear spoiler removed) Dimension "N" mm - -
Liftgate to rear fender Dimension "O" mm 5, 0 (±1) 4, 5 (±1, 5)
Rear spoiler to roof Dimension "P" mm 6, 5 (±1) 6, 6 (±1, 0)
Liftgate to bumper Dimension "Q" mm 5, 5 (±1, 5) 5, 4 (±1, 5)
Liftgate to taillamp Dimension "R" mm 4, 0 (±1) 0, 9 (±0, 7)
Taillamp to bumper Dimension "S" mm 2, 0 (±1) 1, 5 (±1, 0)
Taillamp to fender Dimension "T" mm 2, 0 (±1) 1, 4 (±0, 7)
Liftgate taillamp to taillamp Dimension "U" mm 4, 0 (±1) 4, 0 (±1, 0)
Picture   AR60.00-P-0700-01NKB AR60.00-P-0700-01NKB
Fig 2: Feeler gauge (129 589 03 21 00)
G10251278Courtesy of MERCEDES-BENZ USA
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1001-07A Zinc dust paint suitable for spot welding A 000 986 34 42
BR00.45-Z-1012-13A Blind rivet 6.5 X 12.5 A 004 990 16 97
BR00.45-Z-1092-02A Adhesive kit, body, 2-component adhesive A 009 989 36 71