17..... Removing and installing/replacing coolant pipe on cylinder head cover on left (S63)

Recycling 

Catch and dispose of drained coolant.

Observe country-specific waste-disposal regulations.

Necessary preliminary tasks: 

• Remove LEFT INTER COOLER .
• Drain COOLANT .

Slacken nut (1).

Tightening torque 13 71 9AZ .

Remove vacuum reservoir (2) and place to one side.

Fig 1: Identifying Vacuum Reservoir And Nut

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Unlock coolant hose (1) and detach from coolant pipe.

Fig 2: Identifying Coolant Hose

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Release screws (1).

Tightening torque 17 10 3AZ .

Unclip coolant pipe (2) from holder (3).

Fig 3: Identifying Coolant Pipe, Holder And Screws

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Unlock coolant hose (1) on coolant pump and detach.

Fig 4: Identifying Coolant Pump Coolant Hose

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Pull off lug (1) on coolant pipe from crankcase.

Feed out coolant pipe (2) and remove.

Fig 5: Identifying Coolant Pipe And Lug

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Assemble engine.

Check cooling system for leaks.