That is an OE filter & yes many of the oil filters have been modified for the FSS cars starting in 1998.
Had a lot of oil filters fall apart when you leave them in for 10k+miles.
MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)