If it's black on black, and in the south, I'd do one thing before buying: make sure the A/C works! Make sure all vents blow cold air...sometimes mine only blows cold out the center vents, makes for one looooong drive. Mine is black on tan, so I do get a bit of a break inside..

Still sounds like a great car! Go for it!
Also, if it has the rear sunshade, you'll absolutely love it. I really wish my TDI had one like the E300.

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99 E300 TD -- sold
01 540i 6 spd