has been a thing since the mid 2010’s why is this being posted now

The items pictured all vary in size, and you can measure height/width with a tape measure in 10 seconds.

These charts aren’t used because they’re pointless.

This post is a joke, nobody would be posting w/ this title if Mercedes had the recall.

These Euro cars can be so picky sometimes, Make sure the following are true: Parked on level surface/all doors and hood closed/engine warm

People are suggesting all kinds of random shit, but it’s pretty likely the sensor is showing exactly what it’s seeing. Id add another Quart and see what happens. Just don’t go overboard if it continues to not show.