>>28458092 (OP)Awesome car, BUT over 30 years old and daily driven most if not all of its life.
The biodegradeable wiring harness and corrosion problems due to overaged water-based paint were major issues but good luck finding one that's affected (and not fixed yet). Other than that these are pretty robust. You will still have old-car problems. Rubber bits will suck, and sooner or later some vaccum fuckery will show up. Plastic bits in the interior will be brittle now too.
Spareparts are mostly unproblematic and cheap, any independent mechanic who can't work on them is legally retarded. DIY-Books are out there (at least in german) and most stuff is fairly simple. The jackpoints ALWAYS rust, and it does have passenger recognition on the front seats (mine at least) which likes to fail so you get a 'fasten seatbelts' light flashing on the roof.
Diesels have a reputation for being dead slow but nearly unkillable, this has led to people abusing the heck out of them though.
The M103 in the 300 E (only version I can speak of directly) runs nicely. As 5 speed itll do 60 mph at 2000 rpm and purr comfortably at 100 mph. Perfect for long distances, good fuel consumption when cruising in 5th even at speed that'll get burgers jailed. It's a bit awkward and pretty voraceous in city driving because of the really tall first gear and shitty manual transmission though. Autotragic is lacking a gear though.
It's a really well thought-out car and I absolutely enjoy mine.
>>28460162Everything that has E in its name has injection (Einspritzung in German, rarely fails but is apparently a bitch when it does)