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Mercedes-Benz S-Class vs. Mazda Mazda6 Reliability by Model Generation

Results are for year ending June 30, 2018. Only successfully completed repairs are currently included in the analysis. Routine maintenance, most wear items, recalls, and problems fixed with just a reflash or warning light reset are not included.
Year and Model % of Average Repair Frequency  
2014 - 2018 Mazda Mazda6 Reliability by Generation2014 - 2018 Mazda Mazda6
4.8571428571429% Best 46% Worst
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2009 - 2013 Mazda Mazda6 Reliability by Generation2009 - 2013 Mazda Mazda6
42% Best 111% Worst
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2003 - 2008 Mazda Mazda6 Reliability by Generation2003 - 2008 Mazda Mazda6
18% Best 69% Worst
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What Our Members Are Saying about the Reliability And Durability of the Mercedes-Benz S-Class

Mercedes-Benz S-Class Reliability And Durability: Cons
YearBody/PowertrainComment
2007 4dr Sedan, ext. 382-horsepower 5.5L V8
7-speed shiftable automatic RWD
My S550 had a transmission failure at about 45,000km. the torque converter casing had a flaw in it and it cracked. this stopped the car from being drivable. This should not really ahppen in a car costing in excess of $100,000 in my opinion. full 2007 Mercedes-Benz S-Class review
 

What Our Members Are Saying about the Reliability And Durability of the Mercedes-Benz S-Class

Mercedes-Benz S-Class Reliability And Durability: Cons
YearBody/PowertrainComment
2007 4dr Sedan, ext. 382-horsepower 5.5L V8
7-speed shiftable automatic RWD
My S550 had a transmission failure at about 45,000km. the torque converter casing had a flaw in it and it cracked. this stopped the car from being drivable. This should not really ahppen in a car costing in excess of $100,000 in my opinion. full 2007 Mercedes-Benz S-Class review