I would be hard to image any bushing or joint going bad with only 70K on the clock. I didn't touch the front end on my 124 until 175K. If this is the case, I will be very disappointed.
1996 (W210) E300D 86K - Traded in for a Lexus
1992 (W124) 300D 2.5 Turbo 202K - Sold
1983 (W123) 300D, 146K - Sold
1970 280S, 263K - Sold - Beginning of addiction