17 11 100 Removing and installing/replacing coolant expansion tank (S63)

WARNING: This page is about a different variant/trim than selected.

Necessary preliminary tasks:

Release screws (1).

Tightening torque 17 10 2AZ .

Unlock connector (1) on coolant level switch and disconnect.

Fig 1: Identifying Connector On Coolant Level Switch And Screws

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Pull expansion tank (1) forward.

Release and disconnect coolant hoses (2).

Unlock and disconnect coolant hoses (3).

Feed expansion tank (1) forward and remove.

Fig 2: Removing Expansion Tank

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Assemble engine.

Top up COOLANT .

Check cooling system for LEAK TIGHTNESS .