Brake lines fitting size

[steve_barrett1958@att.net]

Does anyone know the thread size designation for the fittings (line and bleed) in the brake calipers for 1968 280sl?  I am rebuild and need to pump out old pistons and need to adapt to caliper female fitting port.

[WRe]

Hi,
is not necessary to build an adapter for it, it is enough to seal the port a little and press very carefully.
But be careful because the pistons shoot out like cannonballs.
...WRe