18 40 010 Remove/install/replace exhaust manifold at left (S63 B44 T 0/2)

Special tools required: 

• 2 249 161

Necessary preliminary tasks: 

• Remove left TURBOCHARGER .
• Remove right TURBOCHARGER .
• Remove ALTERNATOR

Release screws (1).

Tightening torque 11 65 6AZ .

Graphic N63.

Fig 1: Identifying Left Exhaust Manifold Screws

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Release screws (1).

Tightening torque 11 65 6AZ .

Remove heat shield (2).

Fig 2: Identifying Heat Shield With Screws

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Release screws (1).

Tightening torque 11 65 5AZ .

Remove heat shield (2) on left and right.

Illustration: N63

Fig 3: Identifying Heat Shield Screws

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Release screws with spacer sleeves (1 to 8).

Remove exhaust manifold, bank 2.

Installation note: 

Replace gasket.

Fig 4: Left Exhaust Manifold Bolts Tightening/Loosening Sequence

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Release screws with spacer sleeves (1 to 8).

Remove exhaust manifold, bank 1.

Installation note: 

Replace gasket.

Fig 5: Right Exhaust Manifold Bolts Tightening/Loosening Sequence

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Installation note: 

Replace gasket (1) for banks 1 and 2.

Seal beads faces the exhaust manifold.

Fig 6: Identifying Gasket (Banks 1 And 2)

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Position universal bank exhaust manifold, bank 1.

Screw in special tool 2 249 161 into position (3 and 4).

Tightening torque: 11 62 1AZ .

Join screws with spacer sleeves (1 to 2) to 10 Nm.

Remove special tool 2 249 161 and insert screws with spacer sleeves into position (3 and 4) and join to 10 Nm.

Insert screws with spacer sleeves at position (5 to 8).

Fig 7: Right Exhaust Manifold Bolts Tightening/Loosening Sequence

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Secure all screws with spacer sleeves (1 to 8).

Tightening torque: 11 62 2AZ .

Position universal bank exhaust manifold, bank 2.

Screw in special tool 2 249 161 at position (3 and 4).

Tightening torque: 11 62 1AZ .

Join screws with spacer sleeves (1 to 2) to 10 Nm.

Remove special tool 2 249 161 and insert screws with spacer sleeves into position (3 and 4) and join to 10 Nm.

Insert screws with spacer sleeves at position (5 to 8).

Secure all screws with spacer sleeves (1 to 8).

Tightening torque: 11 62 2AZ .

Fig 8: Left Exhaust Manifold Bolts Tightening/Loosening Sequence

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Replace gaskets (1).

Fig 9: Identifying Exhaust Manifold Gaskets

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Assemble engine.