We've updated our reliability stats for the M-Class to include owner experiences through December 31, 2012.

Repair frequencies, in terms of repair trips per 100 cars per year:

2012: 44, moderate

2008: 69, moderate

2007: 79, moderate

2006: 27, low

2000: 73, low

Very small sample sizes, so these reliability stats unfortunately are not precise.

We'll have further updates in May and August. The more owners participate, the more comprehensive and precise these will be.

To see how competitors compare, and to sign up to help improve this information:

Mercedes-Benz M-Class reliability ratings and comparisons

 

We've updated our reliability stats for the M-Class to include owner experiences through March 31, 2013.

Repair frequencies, in terms of repair trips per 100 cars per year:

2012 M-Class: 79, high, very small sample size
2008 M-Class: 48, moderate, small sample size
2007 M-Class: 60, moderate, very small sample size
2006 M-Class: 43, low, very small sample size
2000 M-Class: 68, low, very small sample size

We'll have further updates in August and in November.

For the details, including the descriptions of reported repairs, and to sign up to help improve this information:

Mercedes-Benz M-Class reliability ratings and comparisons

 

We've updated our reliability stats for the M-Class to include owner experiences through June 30, 2013. (Another source is about 14 months behind.)

Repair frequencies, in terms of repair trips per 100 cars per year:

2013 M-Class: 17, low, small sample size
2012 M-Class: 61, high, very small sample size
2008 M-Class: 36, low, small sample size
2007 M-Class: 47, moderate, very small sample size
2006 M-Class: 37, low, very small sample size
2000 M-Class: 73, low, very small sample size

We'll have further updates in November and February.

To view competitors' scores and descriptions of reported repairs, and to sign up to help:

Mercedes-Benz M-Class reliability ratings and comparisons

 

We've updated our reliability stats for the M-Class to include owner experiences through September 30, 2013.

Repair frequencies, in terms of repair trips per 100 cars per year:

2013 M-Class: 35, moderate, small sample size
2012 M-Class: 76, high, very small sample size
2008 M-Class: 71, moderate, small sample size
2007 M-Class: 65, moderate, small sample size
2006 M-Class: 51, low, very small sample size
2000 M-Class: 48, low, very small sample size

We'll have further updates later this month and in May. The more owners participate, the more comprehensive and precise these will be.

To see how competitors compare, and to sign up to help improve this information:

Mercedes-Benz M-Class reliability ratings and comparisons

 

We've updated our reliability stats for the M-Class to include owner experiences through December 31, 2013.

Repair frequencies, in terms of repair trips per 100 cars per year:

2013 M-Class: 23, low, small sample size
2012 M-Class: 67, high, very small sample size
2009 M-Class: 74, high, very small sample size
2008 M-Class: 71, moderate, small sample size
2007 M-Class: 46, low, small sample size
2006 M-Class: 108, high, very small sample size

We'll have further updates in May and in August. The more owners participate, the more comprehensive and precise these will be.

To see the repairs behind these stats, and to sign up to help improve this information:

Mercedes-Benz M-Class reliability ratings and comparisons

 

Our reliability stats for the M-Class now include owner experiences through March 31, 2014, making them nearly a year ahead of other sources.

Repair frequencies, in terms of repair trips per 100 cars per year:

2013 M-Class: 24, low, small sample size
2012 M-Class: 47, moderate, small sample size
2009 M-Class: 90, high, very small sample size
2008 M-Class: 92, high, small sample size
2007 M-Class: 60, moderate, small sample size
2006 M-Class: 117, high, very small sample size
2000 M-Class: 107, moderate, very small sample size

Thank you, once again, everyone who has been helping. Next update in August.

For a deeper dive, including the stats for other cars and repair descriptions, and to sign up to help improve this information:

Mercedes-Benz M-Class reliability ratings and comparisons

 

We've updated our reliability stats for the M-Class to include owner experiences through June 30, 2014.

Repair frequencies, in terms of repair trips per 100 cars per year:

2013 M-Class: 23, low, small sample size
2012 M-Class: 39, moderate, very small sample size
2009 M-Class: 103, high, small sample size
2008 M-Class: 105, high, small sample size
2007 M-Class: 61, moderate, small sample size
2006 M-Class: 94, high, very small sample size
2000 M-Class: 133, high, very small sample size

Next updates in November and in February. The more owners participate, the more comprehensive and precise these will be.

For repair descriptions, the stats of other cars, and to sign up to help improve this information:

Mercedes-Benz M-Class reliability ratings and comparisons

 

We've updated our reliability stats for the M-Class to include owner experiences through September 30, 2014.

Repair frequencies, in terms of repair trips per 100 cars per year:

2014 M-Class: 12, low, very small sample size
2013 M-Class: 16, low, small sample size
2012 M-Class: 63, high, small sample size
2009 M-Class: 92, high, very small sample size
2008 M-Class: 97, high, small sample size
2007 M-Class: 56, moderate, small sample size
2006 M-Class: 100, high, very small sample size
2000 M-Class: 120, high, very small sample size

Additional participants always helpful (especially if you see "small sample size" next to the year, or no stat at all).

To view the repairs behind these numbers, check the stats for other cars, and sign up to help improve this information (next update in February):

Mercedes-Benz M-Class reliability ratings and comparisons

 

We've updated our reliability stats for the M-Class to include owner experiences through the end of 2015, about eight months ahead of other sources. In terms of repair trips per 100 cars per year--lower is better:

2014 M-Class: 18, low, small sample size
2013 M-Class: 54, moderate
2012 M-Class: 55, moderate, small sample size
2011 M-Class: 76, high, very small sample size
2010 M-Class: 15, low, very small sample size
2009 M-Class: 73, moderate, very small sample size
2008 M-Class: 56, moderate, very small sample size
2007 M-Class: 69, moderate, very small sample size
2006 M-Class: 86, moderate, very small sample size

No stat, or a small sample size? Then we especially need more owners involved for that model year.

For the repairs behind these stats, reliability information on other models, and to sign up to help improve this information:

Mercedes-Benz M-Class reliability ratings and comparisons