When i start my car a lttle tool with a number that keeps counting down comes on on 2000 Mercedes-Benz ML320

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
after i got an oil change a tool like sign on my dash board keeps counting down. A couple days ago my dash board said hi oil and beated what does this mean?
(1) Answer
Qualified Local Mercedes-Benz Shops
Qualified Mercedes-Benz Shops For This Repair