should be very similar.
Remove pins, spread pistons, remove pads. replace pads. put spring clip and pins back in along with ABS sensors.
Rears should be very similar.
'92 300CE - Sold
2004 C240 - C7 Wheels
2015 ML350 - P1, Pano, Ash poplar wood, Sport Dinamica interior, Running Boards Keyless go.