It's difficult at fire sale prices but it would be nice to make the sale contingent on replacing the glow plugs.
Is it driveable? History of WVO use?
Evaluate your cost and effort to get it back on all fours compared to instead buying one of these:
1996 Mercedes E300 Diesel!NEED TO SELL!ASAP
96 mercedes benz e300d
Sixto
87 300D