Install rear fender

AR63.50-P-1400-04SX

Install rear fender

Model

221

except code Z07 (B7 armoring on special protection version)

1

Install rear fender (1), trunk lid, taillamps and rubber seal and fit.

2

Check gap dimensions (I, K, M, N and O) and adjust.

3

Fix rear fender (1) in place.

4

Remove trunk lid, taillamps and rubber seal.

5

Cover windowbag (2) with welding bead catcher (3).

 Cover windowbag (2) with welding pearl catcher (3).
Otherwise the windowbag (2) can be damaged.

6

Drill dia. 6.5 mm rivet holes (areas E, F, G, H, I, J, K and L).

7

Drill rivet holes with dia. 6.7 mm Usibor drill bit (area D).

 To drill out rivet holes on rear fender (1), transfer every second spot weld from old rear fender to new part.

8

Remove rear fender (1).

9

Deburr rivet holes on rear fender (1) on both sides.

10

Remove drill shavings using wet/dry vacuum cleaner.

11

Coat insides of riveted joints with zinc dust paint (area D).

12

2KApply -component adhesive to mating surfaces in cross-hatched areas (areas X, Y, Z and AA).

 Observe pretreatment of bonding surfaces. refer to manufacturer specifications for adhesive curing and application times.

13

Apply MB body sealant to foam parts (areas N and N1).

14

Apply adhesive to cross-hatched areas (areas M, M1, O, P, Q, R, S, T, U, V, W and AJ).

 Observe pretreatment of bonding surfaces. refer to manufacturer specifications for adhesive curing and application times.

15

Install rear fender (1) and fix in place.

16

Rivet rear fender (1) with 6.4 x 14 Polygrip flat/round headrivets (areas D, I, J, K and L).

17

Rivet rear fender (1) with Ø 6.414 Polygrip countersunk-headrivets (areas AD, AE and AF).

18

Rivet rear fender (1) with 6.4 x 14 Polygrip flat/round headrivets (areas E, F, G and H).

19

Rear fender (1)   (areas AC, AG and AH).

20

Rear fender   (areas B, Z, AA and AB).

21

Rear fender (1)   (areas A and C).

 Weld in intervals, allow to cool down in between to minimize heat distortion (areas A and C).

22

Grind inert gas welds down flat on rear fender (1) (areas A and C).

23

Clean welds on rear fender (1).

24

Convert spot weld flange on wheel well.

 Spot weld flange position analog to undamaged vehicle side.

25

Solder surface on rear fender (1) in areas A and C with body solder and smooth.

26

Remove grinding and drill shavings using wet/dry vacuum cleaner.