| 1 | 0 | 3 | 4 | 3 | 4 |
Mercedes-Benz S-Class vs. Hyundai Sonata 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 | |
 2015 - 2018 Hyundai Sonata |
Best
83%
Worst
|
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 2011 - 2014 Hyundai Sonata |
Best
116%
Worst
|
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 2006 - 2010 Hyundai Sonata |
Best
67%
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 | ||
| Year | Body/Powertrain | Comment |
| 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 | ||
| Year | Body/Powertrain | Comment |
| 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 |
