Adhesive Surface Pretreatment When Replacing Laser-Soldered Roofs

-- Dry sand the cataphoretic dip coating (CDC) primer on the roof adhesive surface down to the bare metal using P 180 sandpaper.

Fig 1: Removing Loose Paint Residue

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-- Dry sand the roof pillar adhesive surface down to the bare metal using P 180 sandpaper.

Fig 2: Cleaning Surface

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-- Clean the adhesive surface with silicone remover.

-- Replace the roof. Refer to the appropriate service information.

Overview Detailed View of the Body Adhesive

Fig 3: Body Adhesive Areas

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1. One-Part Assembly Adhesive :D 190 MKD A3 
2. Roof
3. Two-Part Body Adhesive :D 180 003 M2  or Two-Part Body Adhesive :D 180 004 M2 
4. Roof Pillar/Side Panel
5. Sanded-Down Bare Metal Area

Detailed View of the Application of Filler and Fine Seam Sealant

Fig 4: Body Filler And Fine Seam Sealant Areas

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1. Roof
2. Two-Part HS Performance Filler
   NOTE:

   Prime the areas that have been sanded through with Two-Part Wash Primer :LHV 043 000 A2  .

3. Fine Seam Sealing
   NOTE:

   The sealing material cannot be applied on blank sheet metal, but rather on filled surfaces.

4. Roof Pillar/Side Panel
5. Two-Part Body Adhesive :D 180 003 M2  or Two-Part Body Adhesive :D 180 004 M2 

Recreate the subsequent paint system according to the manufacturer's specifications.