Any idea what this is...?

[R17PMB]

This warning light has just appeared on my E350 coupe (W212) any ideas what this could be..?

Thanks in advance.

[mike_e]

Looks like the rear passenger seatbelt warning symbol.

[Charliesum]

anything heavy on the back seat at the time?

[JimmyR1]

The doors have blown off and you are now missing 2 small passengers

[Ari]

Beware flying cars?

[jdw100]

Two people are having a poo approximately 5 metres from your car.