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Home >> Mercedes Benz >> 2019 >> GLS550 >> Repair and Diagnosis >> Collision >> Body Panels >> Collision - Front End & Fire Wall - 166 Chassis >> Testing & Repair >> Prepare Mating Surfaces On Vehicle For Longitudinal Member Front Section - Ar62.20-P-1260-08GQ

Prepare Mating Surfaces On Vehicle For Longitudinal Member Front Section - Ar62.20-P-1260-08GQ

Model 166, 292 

G11969684Courtesy of MERCEDES-BENZ USA

Shown on model 166 

  1. Grind mating surfaces down to bare metal in crosshatched areas (areas A, C, H, I and J).

    IMPORTANT Sand down spot weld flanges to bare metal on both sides.

  2. Grind mating surfaces down to bare metal in crosshatched areas at connection side (areas B, D, E, F, G, K, L, BA, BC and FA).
  3. Remove shavings and drill chips.
  4. Coat insides of spot welding flanges with zinc dust paint.