The bolts that hold the IP on are tricky to access.

I've still got the 13mm (?) that has been heated and bent at a 90 degree angle to get to the fastener that is closest to the engine block.

Other than that, it's about the simplest MB engine you can work on.....

Jim

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14 E250 BlueTEC black. 45k miles
95 E320 Cabriolet Emerald green 66k miles
94 E320 Cabriolet Emerald green 152k miles
85 300TD 4 spd man, euro bumpers and lights, 15" Pentas dark blue 274k miles