I did mine this afternoon after reading the above....and the manual.
The inner 6mm bolt (under the IP) was easy to get to after the engine was jacked up and I took off the long AC compressor mounting bolt closest to the center of the car. Gave me enough room for an allen socket and 3/8" rachet.

The hardest part was getting the engine moved around to get the 8mm bottom bolts back in. Got 'em with the engine jacked back up (lifted off the new mounts), moved the engine a bit using a crow bar and a pry bay.

OMG, it sounds like a Benz again, not a bucket of bolts

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95 E300D gave away
77 300D, 227k, station car
83 300CD 370k, body gone away to the rust gods, engine is in a Yota pickup, going strong
89 190E 2.6- 335k, no more
79 VW FI Bus- 154k summer driver
59 VW Beetle ragtop- 175k
12 VW Jetta- 250k
74 MG Midget-78k