17 51 001 Removing and installing/replacing right intercooler (S63)

WARNING: Danger of scalding!
Only perform this work after engine has cooled down.

Necessary preliminary tasks:

Remove acoustic cover
Remove front UNDERBODY PROTECTION .
Remove FAN COWL .
Drain coolant for intercooler

Release clamps (1) and (2).

Replace clamps.

Remove ambient air-pulsed lines (3) from the air duct.

Fig 1: Identifying Clamps And Wastegate Lines

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Release clamps (1).

Replace clamps.

Release screw (2).

Tightening torque 13 71 13AZ .

Loosen screws (3) from the charge air cooler.

Tightening torque 13 71 6AZ .

Unlock plug (4) and remove.

Remove air duct (5).

Fig 2: Identifying Clamps, Screws, Plug And Air Duct

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IMPORTANT: When detaching the coolant hoses from the intercooler, make sure that the connector remains connected to the throttle valve assembly. Do not allow any coolant to get into the plug connection on the throttle valve assembly.

Fig 3: Identifying Coolant Hoses

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Release coolant hose (1) and remove.

Replace faulty clamps.

Unlock coolant hose (2) from the charge air cooler and remove.

Unlock plug (1) and remove.

Release screw (2).

Tightening torque 13 71 6AZ .

Unscrew screws (3).

Tightening torque 13 71 6AZ .

Release clamp (4) on throttle valve unit.

Tightening torque 13 71 7AZ .

Lift out intercooler.

Fig 4: Identifying Plug, Screws And Clamp

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After completing work, fill intercooler with coolant.

Vent COOLING SYSTEM FOR INTERCOOLER .

Check cooling system for leaks.

Assemble engine.