Just a few more. Easy fixes all if you don't count your labor time.

Leaky fuel lines. Less than $50 all things considered. Couple hrs time.

Oxidized headlamp covers. $25 all things considered. Couple hrs time.

Blower moter regulator. $25 to $200 or so depending on purchasing new or used or doing modification from W140 model and adapting as on this forum. Couple hrs. time.

EGR delete. $3.00 and 1hr time.

Check A/C codes as on this forum, even though it blows cold. Will tell overall condition of system.

Radio volume control. $3.00, tuner cleaner, and follow the repair procedure as on this forum. 2hrs. time.

Enjoy your "new" diesel Benz