Every brand has websites where owners that have had unfortunate problems vent their frustrations. Many more than one. Stick with your utility cars. Mercedes doesn't need defending their US sales last year speak for themselves.

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My Daily : 96 E-300 Diesel with 195,000 miles
Retired: 92 300D 2.5 T 345K miles and for sale
Retired: 95 E320 157K miles and currently parked with blown engine

Both retired cars are for sale as is my w124 shop inventory