A45 AMG water pump, m133 Engine water pump replacement, A45AMG low coolant message / Mercedes A45 A

A45 AMG water pump, m133 Engine water pump replacement, A45AMG low coolant message / Mercedes A45 AMG
COOLANT light
Hi every one welcome on my Mercedes sport, car repair youtube chanel ,
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explain car parts ,

[@vladsmachina3285]

does the water pump have a plastic impeller, or steel ?

[@mercedessportcarrepair1944]

Steel