aux water pump not working W205 220d

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Sergiuu

New Member
Joined
Oct 5, 2018
Messages
2
Location
Peterborough
Car
Mercedes c220 bluetec Amg line
Hi guys,
It looks like for long time my aux water pump have stopped working, i have seen coolant stain around the Aux Expansion Tank
Today i had the Expansion Tank + Cap + aux Water pump changed but still the pump not working
I have checked the fuse box under the bonnet (next to engine) and i can see that The Fuse for Electric Coolant Pump (107) and the Relay for Coolant Pump (P) weren`t there
So how the pump should be working without the fuse and relay?
On the diagram is stated that these 2 should be available with the engine 274.9
Anyone had this problem before and has some answers ?
Thank you
 

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