17 51 001 Removing And Installing/Replacing Left Charge Air Cooler (S63 B44 T 0)

Necessary preliminary tasks: 

• Remove left INTAKE FILTER HOUSING .
• Drain coolant for charge air cooler.

Release clamp (1).

If necessary, replace clamp.

Fig 1: Clamp Of Charge Air Cooler

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Unlock and detach coolant hose (1).

Remove tank vent valve (2) from charge air cooler.

Release wiring harnesses (3) from charge air cooler.

Fig 2: Coolant Hose, Wiring Harnesses And Tank Vent Valve

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Unlock and pull off coolant hose (1) from charge air cooler (3).

Release screw (2).

Tightening torque: 13 71 6AZ .

Fig 3: Coolant Hose, Charge Air Cooler And Screw

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Release clamp (1).

Tightening torque: 13 71 7AZ .

Unlock connector (2) and remove.

Pull off top of charge air cooler from air duct.

Pull charge air cooler towards top out of rubber mount until connector is accessible from throttle body.

Unlock connector and pull off from throttle body.

Remove charge air cooler together with throttle body towards top.

Fig 4: Connector And Clamp

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Only on replacement of charge air cooler: 

Convert THROTTLE BODY .

After completing all repair work, bleed the COOLING SYSTEM  for the charge air cooler.