The W204 Mercedes C63 AMG has a filter inside the PAS fluid reservoir. The fluid should also be green in colour. After lots of heat cycles and years in the system, it turns a brown colour! Just don't make the same mistake that I did when changing haha.

Consider Subscribing:
▪️   / @carthought  

Check out my website and follow me on instagram! @carthought:

Website:
▪️https://www.carthought.com/

Instagram:
▪️  / carthought  

Facebook:
▪️  / carthoughtuk