Oil in mass air flow sensor
#2
MBWorld Fanatic!
Joined: Mar 2014
Posts: 6,370
Likes: 679
From: Northwest Illinois
2014 E350 also restored: 1969 Camaro convertible SS 1957 Chevy Belair 2dr hardtop
Welcome if it is under warranty bring it to the dealer to fix. If not maybe someone on forum will be able to help