You can get a list of items from the service menu. Item numbers are:
1 = check brake pads and disks
2 = (every 2 years/30k km) check trailer hitch
3 = (every 2 years/60k km) check poly v belt
replace compressor poly v-belt
replace air cleaner insert
turn air filter element by 180 degrees (only on 1st service 3)
4 = every 60k km / 2 years option 580 aircon - change filter
5 = every 60k km / 2 years option 581 aircon - change all 3 filters
6 = every 2 years bodywork check
underside check
replace brake fluid
7 = every 5 years clean sunroof mech
8 = every 3 years clean panoramic roof mech
9 = every 80k km / 4 years air cleaner insert (most engines), fuel filter, spark plugs on engine 271
10 = every 100k km / 4 years spark plugs on engine 112/113/272
11 = every 120k / 4 years replace air cleaner insert engine 646/647/648
12 = every 250k / 15 years fuel filter (engines 112/113/271/272) replace coolant
20 = 60000 km transfer case oil change on 4 matic auto transmission oil and filter change
13 = at each service engine oil and filter change
14 = brake fluid level, washer fluid level, check engine hood latch, lots of interior checks, horn, wipers, etc etc, check tyres, trunk lighting, battery
15 = same as 14 + check all visible parts for leaks, check power steering, replace spark plugs on engine 271 and fuel filter on engine 646 with code 921 (operation with Rape seed oil !!) or VOME (vegetable oil methyl ester) check wheels and brakes, and all body work and lights and couplings etc