maintainence

okay so im just trying to do some basic maintenance on my car.. so far it has 220,000 miles -Oil change (mobil 1 synthetic 0w-40) -Coolant Flush (OEM Mercedes coolant) along with the thermostat -Air filter (OEM) -Fuel filter (OEM) but i used the old washer or bearing or whatever the little ring...

I had some time to kill today so I decided to do a bit of routine maintenance.The washer jets were getting very limp when squirting,They were full of lime scale.So whilst wifey is at work its time to clean them.I found a good product under the sink so took the jets off the car and whilst at it...