I have a 2024 Mercedes CLE 300 with code 876 premium interior lighting. Is the center strip in the back seat supposed to be lit? All ambient lighting in the car works except the strip in the center back seat, but I do not know if it is supposed to be lit. Can Anyone check their car who has the same lighting package.

That is normal no light in the centre part of the seat. However, there should be a light strip where the speakers are down from the window on both side of the car.

Here, you can see it: