The trans does have a filter & is fully servicable!
You must use the "special" MB fluid, 8 liters are required.
You will need a dipstick(special tool) to check the fluid level, MB part number 140-589-15-21-00.
Also make sure to add 220-271-0098 magnet to the trans pan.
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)