Install rear longitudinal member - AR64.20-P-1200-24SX

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1092-02A	Adhesive kit, body, 2-component adhesive	A 009 989 36 71
BR00.45-Z-1001-07A	Zinc dust paint suitable for spot welding	A 000 986 34 42
BR00.45-Z-1001-13A	Blind rivet 6.4x14	A 003 990 35 97

Install rear longitudinal member (1), fit with straightening tools (2, 3 and 4) and fasten with clamping pliers.

Fig 1: Installing Rear Longitudinal Member

Courtesy of MERCEDES-BENZ USA

Drill dia. 6.5 mm rivet holes in rear longitudinal member (1) (areas A, B, C, D, E and E₁ ).

Fig 2: Identifying Rivet Holes In Rear Longitudinal Member (Areas A, B, C, D, E And E1)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Rivet Holes In Rear Longitudinal Member (Areas F, G And H)

Courtesy of MERCEDES-BENZ USA

Install locking lug above rear axle (5), fit and fasten with clamping pliers.
Drill dia. 6.5 mm rivet holes in locking lug above rear axle (5) (area F).
Drill dia. 6.5 mm rivet holes in rear longitudinal member (1) (areas G and H).
Remove locking lug above rear axle (5) and rear longitudinal member (1).
Deburr rivet holes on locking lug above rear axle (5) and rear longitudinal member (1) on both sides.
Coat insides of rivet connections not glued with zinc dust paint.
Apply 2-component adhesive in cross-hatched areas.

Observe preliminary treatment of surfaces to be bonded.

Refer to the manufacturer's information for the curing and working times of the adhesive.

Fig 4: Identifying 2-Component Adhesive Application Area Of Rear Longitudinal Member

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Install rear longitudinal member (1), fit and fasten with manual temporary fastener and clamping pliers.
Weld in rear longitudinal member (1) with (areas J, K and M).
Weld in rear longitudinal member (1) with (areas L and I).

Fig 5: Identifying Welding Area Of Rear Longitudinal Member (Areas J, K, L And M)

Courtesy of MERCEDES-BENZ USA

Weld in rear longitudinal member (1) with (areas N, O, P and Q).
Rivet rear longitudinal member (1) with Polygrip flat/round head rivet, 6.4 x 14 dia. (area A).

Fig 6: Identifying Welding & Rivet Area Of Rear Longitudinal Member (Areas A, N, O, P And Q)

Courtesy of MERCEDES-BENZ USA

Fig 7: Identifying Rear Longitudinal Member Welding & Riveting Areas (Area B, C, D, E, E1 & R)

Courtesy of MERCEDES-BENZ USA

Weld in rear longitudinal member (1) with (area R).
Rivet rear longitudinal member (1) with Polygrip flat/round head rivet, 6.4 x 14 dia. (areas B, C, D, E and E ₁ ).

Fig 8: Identifying Rear Axle Locking Lug Welding & Riveting Areas (Areas F, G, H, S, T And U)

Courtesy of MERCEDES-BENZ USA

Install locking lug above rear axle (5), fit and fasten with manual temporary fastener and clamping pliers.
Weld in locking lug above rear axle (5) with (areas T and U).
Weld in rear longitudinal member (1) with (area S).
Rivet rear longitudinal member (1) and locking lug above rear axle (5) with Polygrip flat/round head rivet, 6.4 x 14 dia. (areas G, H and F).
Clean welds on rear longitudinal member (1) with round wire brush.
Remove grinding and drill shavings with wet/dry vacuum cleaner.