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Mercedes-Benz R-Class vs. Audi A5 / S5 / RS5 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  
2018 Audi A5 / S5 / RS5 Reliability by Generation2018 Audi A5 / S5 / RS5
7.1428571428571% Best 50% Worst
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2012 - 2017 Audi A5 / S5 Reliability by Generation2012 - 2017 Audi A5 / S5
50.571428571429% Best 126% Worst
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2008 - 2011 Audi A5 / S5 Reliability by Generation2008 - 2011 Audi A5 / S5
51.142857142857% Best 127% Worst
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What Our Members Are Saying about the Reliability And Durability of the Mercedes-Benz R-Class

Mercedes-Benz R-Class Reliability And Durability: Pros
YearBody/PowertrainComment
2009 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD
First crack out of the box with a 30K mile CPO: right pass door lock failed. Had to be replaced. Was under warranty. Would have cost $600. full 2009 Mercedes-Benz R-Class review
2007 4dr SUV turbocharged 215hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
So far, so good. Very happy with it. full 2007 Mercedes-Benz R-Class review
Mercedes-Benz R-Class Reliability And Durability: Cons
YearBody/PowertrainComment
2007 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD
No major things needed to be done yet. Just oil change and service B. It has 60k miles on it now. So far so good. full 2007 Mercedes-Benz R-Class review
2006 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD
Transmission blew up at 30k. Covered under warranty, but bill was over 9k (reimbursed). Scary. Cup holder broke. Panoramic roof replaced twice. Front and rear windows replaced due to leaking. Out of warranty now and scared. full 2006 Mercedes-Benz R-Class review
2006 4dr SUV 302-horsepower 5.0L V8
7-speed shiftable automatic AWD
Very high maintenance poor reliability. full 2006 Mercedes-Benz R-Class review
 

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

Mercedes-Benz R-Class Reliability And Durability: Pros
YearBody/PowertrainComment
2009 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD
First crack out of the box with a 30K mile CPO: right pass door lock failed. Had to be replaced. Was under warranty. Would have cost $600. full 2009 Mercedes-Benz R-Class review
2007 4dr SUV turbocharged 215hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
So far, so good. Very happy with it. full 2007 Mercedes-Benz R-Class review
Mercedes-Benz R-Class Reliability And Durability: Cons
YearBody/PowertrainComment
2007 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD
No major things needed to be done yet. Just oil change and service B. It has 60k miles on it now. So far so good. full 2007 Mercedes-Benz R-Class review
2006 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD
Transmission blew up at 30k. Covered under warranty, but bill was over 9k (reimbursed). Scary. Cup holder broke. Panoramic roof replaced twice. Front and rear windows replaced due to leaking. Out of warranty now and scared. full 2006 Mercedes-Benz R-Class review
2006 4dr SUV 302-horsepower 5.0L V8
7-speed shiftable automatic AWD
Very high maintenance poor reliability. full 2006 Mercedes-Benz R-Class review