Atf or ac delco dexron 3
The 1999 Mercedes CLK typically requires synthetic motor oil with a viscosity rating of 5W-40 or 0W-40, meeting the Mercedes-Benz specification of MB 229.1 or higher. It’s essential to use high-quality oil to ensure optimal engine performance and longevity. Always check your owner's manual for specific recommendations and intervals for oil changes.
9 litres
8
You need synthetic oil
5/40 synthetic . Mercedes recommends mobil one
Check this site for more information: http://www.benzworld.org/forums/w208-clk-class/1354088-diy-oil-change-clk.html
I use mobil1 5w30
What problems can occur from engine oil overfill
the isn't any...you check the oil level on the computer which is on the dasboard
as per mercedes benz trans oil is lifetime fill this might haved changed but from what i was told its lifetime oil fill
whenever the change oil message comes up on the speedo