Playing devil's advocate:

If your 300SD needed $4K in repairs, would you spend it? To add to that, would you regret the expense if you got the car in top notch shape only to have it involved in a severe collision months later?

Note, the MB does not dole out love, just smiles.

__________________
2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car