Run flat indicator inoperative, ABS & ESP lights on w204 C63

[Mezger]

Picked up my car after a long hiatus and it's just been serviced a month ago atMercedes.

The above light has come on, any thoughts as to cause? Anyone else triaged this warning light before..

[goldieandblackie]

ABS wheel speed sensor or ring failure.

[Mezger]

Yep got in one, wheel speed sensor issue. Getting them replaced today.