This goes alond with the theory that it is better to buy a car that has beeen driven regularly versus one form a little old who drove the car only to church on Sundays. For us diesel owners, it is particularly important to not let our engines go without running on a regular basis.

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1999 MB SL500 (110,000 mi)
2004 Volvo V70 2.5T (220,000 mi)
2014 Tesla Model S 85 (136,000 mi)
MBCA member