Car Problem Reports
Mercedes-Benz 420SEL Replace timing chains/guides every 100,000 miles
Mercedes-Benz 420SEL Problem
Average Mileage: 192,500 mi (187,000 mi - 198,000 mi)
Visitor, 1991 Mercedes-Benz 420SEL, 187,000 mi
Replace timing chain every 150,000 miles
Mechanic stated that timing chained slipped and caused severe damage to car engine.