17 13 020 Removing and Installing/Replacing Intercooler Expansion Tank

17 13 020 Removing and installing/replacing intercooler expansion tank (S63)





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





Necessary preliminary tasks:
^ Follow instructions for working on cooling system.
^ Drain charge air cooler coolant from expansion tank.
^ Remove acoustic cover

Release screws (1).





Tightening torque 17 10 4AZ.

Release coolant hoses (2) from expansion tank (3) and detach.

Installation:
Replace faulty clamps.

Feed out expansion tank (3) and remove.





Assemble engine.

After completing work, fill intercooler with coolant.

Vent cooling system for intercooler.

Check cooling system for leaks.