Some of my own, mostly a shop. Learning more every year, though. Keep in mind, over $2000 of that was today: head gasket plus some other stuff.

The rest? Trust me, it adds up: tires, header pipe, ignition tumbler, pressure converters, shifter bushings, a fuel leak, new windshield, glow plugs, cruise amp and actuator, plus lots of incidentals.

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14 E250 Bluetec 4Matic "Sinclair", Palladium Silver on Black, 159k miles
06 E320 CDI "Rutherford", Black on Tan, 178k mi, Stage 1 tune, tuned TCU
91 300D "Otis", Smoke Silver on Tan, 145k mi, wastegate conversion, ALDA delete

19 Honda CR-V EX 75k mi
Fourteen other MB's owned and sold
1961 Very Tolerant Wife