The harmonic balancer on my 190 was on pretty tight. I got a 3 jaw adjustable puller from AutoZone on their loaner program. That did the trick. I had to file down the woodruff key so that the balancer would go back on.
'00 Mazda MPV Family's car
'83 300D 235,000
'84 109E 175,000
'74 280C 125,000 in garage; needs rehab or sell for parts???