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BMW 5-Series vs. Mercedes-Benz E-Class Reliability

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Results are for year ending March 31, 2016. 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 Make/Model Repair Trips Per 100 Cars Compared to all models for the same year    
2015 Mercedes-Benz E-Class   small sample, members only   see reported repairs
  10 E-Classes, 11.3 months of data per E-Class, average 8600 miles

* Very small sample, members only.

 

2014 BMW 5-Series 12
6% 6% Fewest Trips Most Trips
[?] see reported repairs
  29 5-Series, 10.7 months of data per 5-Series, average 15200 miles
2014 Mercedes-Benz E-Class 24
33.4285714286% 33.4285714286% Fewest Trips Most Trips
[?] see reported repairs
  45 E-Classes, 9.0 months of data per E-Class, average 19000 miles

Refreshed for this model year. Reliable so far.

 

2013 BMW 5-Series 50
77.0935960591% 77.0935960591% Fewest Trips Most Trips
[?] see reported repairs
  34 5-Series, 9.1 months of data per 5-Series, average 30700 miles
2013 Mercedes-Benz E-Class   small sample, members only   see reported repairs
  18 E-Classes, 6.8 months of data per E-Class, average 31800 miles

* Small sample, members only.

 

2012 BMW 5-Series 35
41.0714285714% 41.0714285714% Fewest Trips Most Trips
[?] see reported repairs
  25 5-Series, 9.6 months of data per 5-Series, average 42900 miles
2012 Mercedes-Benz E-Class 67
98.2142857143% 98.2142857143% Fewest Trips Most Trips
[?] see reported repairs
  28 E-Classes, 8.9 months of data per E-Class, average 34900 miles

 

2011 BMW 5-Series 44
50.4081632653% 50.4081632653% Fewest Trips Most Trips
[?] see reported repairs
  44 5-Series, 8.7 months of data per 5-Series, average 56100 miles

First year for F10 5-Series.
2011 Mercedes-Benz E-Class 32
30.8163265306% 30.8163265306% Fewest Trips Most Trips
[?] see reported repairs
  28 E-Classes, 9.4 months of data per E-Class, average 43600 miles

Out of line with the 2010 and 2012. Unlikely to stay this good in future updates.

 

2010 BMW 5-Series 55
59.1575091575% 59.1575091575% Fewest Trips Most Trips
[?] see reported repairs
  27 5-Series, 8.9 months of data per 5-Series, average 72000 miles
2010 Mercedes-Benz E-Class 53
56.2271062271% 56.2271062271% Fewest Trips Most Trips
[?] see reported repairs
  30 E-Classes, 8.3 months of data per E-Class, average 56100 miles

Redesigned for this model year.

 

2009 BMW 5-Series   small sample, members only   see reported repairs
  14 5-Series, 8.1 months of data per 5-Series, average 77600 miles

* Very small sample, members only.
2009 Mercedes-Benz E-Class   small sample, members only   see reported repairs
  15 E-Classes, 10.0 months of data per E-Class, average 69100 miles

* Small sample, members only.

 

2008 BMW 528 / 550 / M5 129
100% 100% Fewest Trips Most Trips
[?] see reported repairs
  42 528 / 550 / M5s, 8.2 months of data per 528 / 550 / M5, average 93000 miles

Refreshed. First year for the turbocharged six in the 535i. Common turbo failures.
2008 BMW 535   small sample, members only   see reported repairs
  22 535s, 8.3 months of data per 535, average 93200 miles

* Small sample, members only.
2008 Mercedes-Benz E-Class   small sample, members only   see reported repairs
  21 E-Classes, 9.5 months of data per E-Class, average 69700 miles

* Small sample, members only.

 

2007 BMW 5-Series 84
65.8441558442% 65.8441558442% Fewest Trips Most Trips
[?] see reported repairs
  28 5-Series, 8.7 months of data per 5-Series, average 106000 miles
2007 Mercedes-Benz E-Class 64
45.0649350649% 45.0649350649% Fewest Trips Most Trips
[?] see reported repairs
  29 E-Classes, 8.4 months of data per E-Class, average 85600 miles

Refreshed for this model year.

 

2006 BMW 5-Series 71
49.7493734336% 49.7493734336% Fewest Trips Most Trips
[?] see reported repairs
  34 5-Series, 9.4 months of data per 5-Series, average 99200 miles
2006 Mercedes-Benz E-Class 66
44.7368421053% 44.7368421053% Fewest Trips Most Trips
[?] see reported repairs
  27 E-Classes, 9.4 months of data per E-Class, average 104200 miles

 

2005 BMW 5-Series   small sample, members only   see reported repairs
  12 5-Series, 6.6 months of data per 5-Series, average 119300 miles

* Very small sample, members only.
2005 Mercedes-Benz E-Class   small sample, members only   see reported repairs
  16 E-Classes, 7.3 months of data per E-Class, average 125800 miles

* Small sample, members only.

 

2004 BMW 5-Series   small sample, members only   see reported repairs
  18 5-Series, 9.5 months of data per 5-Series, average 101300 miles

* Small sample, members only.
2004 Mercedes-Benz E-Class   small sample, members only   see reported repairs
  14 E-Classes, 7.4 months of data per E-Class, average 148500 miles

* Very small sample, members only.

 

2003 BMW 5-Series 85
40.8424908425% 40.8424908425% Fewest Trips Most Trips
[?] see reported repairs
  26 5-Series, 8.2 months of data per 5-Series, average 108500 miles
2003 Mercedes-Benz E-Class   small sample, members only   see reported repairs
  12 E-Classes, 8.9 months of data per E-Class, average 107800 miles

* Very small sample, members only.

 

2002 BMW 5-Series 70
30.5194805195% 30.5194805195% Fewest Trips Most Trips
[?] see reported repairs
  29 5-Series, 8.9 months of data per 5-Series, average 120400 miles
2002 Mercedes-Benz E-Class   small sample, members only   see reported repairs
  10 E-Classes, 7.6 months of data per E-Class, average 144800 miles

* Very small sample, members only.

 

2001 BMW 5-Series   small sample, members only   see reported repairs
  22 5-Series, 8.2 months of data per 5-Series, average 129900 miles

* Small sample, members only.
2001 Mercedes-Benz E-Class   small sample, members only   see reported repairs
  12 E-Classes, 9.2 months of data per E-Class, average 134600 miles

* Very small sample, members only.

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BMW 5-Series vs. Mercedes-Benz E-Class Reliability Comparisons

You won't find BMW 5-Series or Mercedes-Benz E-Class reliability information like this anywhere else. Actual repair frequencies, not just vague dots, to make it clear how much the BMW 5-Series and the Mercedes-Benz E-Class truly differ in reliability.

These stats are promptly updated four times a year, to much more closely track BMW 5-Series and Mercedes-Benz E-Class reliability as the cars age. Others tell you how reliable the BMW 5-Series and the Mercedes-Benz E-Class were a year ago, when the cars were a year younger and had 12,000 fewer miles on them. Only TrueDelta tells you how reliable the BMW 5-Series and the Mercedes-Benz E-Class have been recently.

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