Yes, there are metal tabs on the bottom front and rear of the OVP. I don't recall the exact procedure, but it involves lifting either the front tab out and then rocking the back one out, or vice versa. It does not pull straight up out of its bracket. One has to rock it out, first one tab then tilt and slip the other tab out.

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1988 California version 260E (W124)
Anthracite Grey/Palomino
Owned since new and still going strong and smooth
MBCA member

Past Mercedes-Benz:
1986 190E Baby Benz
1967 230 Inherited from mom when she downsized
1959 220S Introduced me to the joys of keepin' 'em goin'

There are only 10 kinds of people in the world--those who understand binary and those who don't