Warning “Cooling liquid too low”. Is a topic in many EQB until some time 2023. The compensation tank in the EQB allows extension but not proper return. Usually does not fall on until you drive long distance or properly gas. After 2x black closures on the container, there was then 1x red later than fixed and if you report it to the friendly one there is free of charge a new container with 2x red closures. According to the number the container is equal to the old Be only Mercedes knows where the magic lies here. Internal change of the container without changing the number or but only the closure. Actually little something, but annoying.