The 2015 Mercedes-Benz M-Class, the latest model year on record, is 189.4″ long, 76″ wide and 70.9″ tall on a 115″ wheelbase, and weighs 5,027 lb. At 15.8 ft it fits a standard garage and leaves 2.2 ft spare in an 18-foot street space.
Every Mercedes-Benz M-Class generation, measured
The biggest change in weight came in 2012: 75 lb heavier than before.
| Generation | Length | Width | Height | Wheelbase | Curb weight |
|---|---|---|---|---|---|
| 2008–2011 | 188.6″ | 75.2″ | 71.7″ | 115″ | 4,846 lb |
| 2012–2015 | 189″ | 76″ | 70.9″ | 115″ | 4,921 lb |
M-Class year by year
| Model year | Length | Width | Wheelbase | Curb weight | Body styles |
|---|---|---|---|---|---|
| 2015 | 189.4″ | 76″ | 115″ | 4 | |
| 2014 | 189″ | 76″ | 115″ | 4 | |
| 2013 | 189″ | 76″ | 115″ | 4 | |
| 2012 | 189″ | 76″ | 115″ | 4 | |
| 2011 | 188.6″ | 75.2″ | 115″ | 4 | |
| 2010 | 188.6″ | 75.2″ | 115″ | 4 | |
| 2009 | 188.6″ | 75.2″ | 115″ | 4 | |
| 2008 | 188.6″ | 75.2″ | 115″ | 4 |
M-Class on the used market
In 210 M-Class listings we have collected since June 2026, the 2012–2015 car is the most common: 102 of them (49%), at an average asking price of $11,266. ForCar visitors have decoded 41 M-Class VINs; the most checked model years are 2006, 2007 and 2009.
| Generation | Listings | Share | Average asking price | Average mileage |
|---|---|---|---|---|
| 2012–2015 | 102 | 49% | $11,266 | 112,986 mi |
| 2008–2011 | 54 | 26% | $6,788 | 141,606 mi |
| Other years | 54 | 26% | $5,160 | 150,740 mi |
Will a M-Class fit
| Space | Typical size | This car | Verdict |
|---|---|---|---|
| Single garage | 20 ft deep | 15.8 ft | Fits, with room to open the door |
| Street parking space | 18 ft | 15.8 ft | Fits comfortably |
| Standard parking bay width | 8.5 ft wide | 6.3 ft | Room to open doors both sides |
Against cars of the same length
Among the 1,054 cars within 10″ of its length, the M-Class is heavier than 93% and has a longer wheelbase than 84%.
| Measure | This car | Typical of 1,054 cars within 10″ of its length | Difference |
|---|---|---|---|
| Width | 76″ | 73.2″ | +2.8″ |
| Wheelbase | 115″ | 109.8″ | +5.2″ |
| Curb weight | 5,027 lb | 3,847 lb | +1,180 lb |
M-Class against its rivals
Next to the Acura TSX, Hyundai Genesis and Volvo C70, the M-Class is the heaviest and the widest of the four.
| Model | Model year | Length | Width | Curb weight |
|---|---|---|---|---|
| Mercedes-Benz M-Class (this car) | 2015 | 189.4″ | 76″ | 5,027 lb |
| Acura TSX | 2014 | 186.2″ | 72.4″ | 3,547 lb |
| Hyundai Genesis | 2016 | 191.7″ | 74.4″ | 4,191 lb |
| Volvo C70 | 2013 | 180.3″ | 71.7″ | 3,858 lb |
Specs vary by trim. Yours decodes from the VIN.
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Frequently asked questions
Is the 2015 M-Class bigger than the 2014?
About the same length: the 2015 model is the same length and 100 lb heavier.
Which is bigger, the M-Class or the Acura TSX?
The 2014 Acura TSX is 3.2″ shorter and 1,480 lb lighter than the 2015 M-Class.
How much does a used M-Class cost?
In our listings collected since June 2026, the average asking price runs from $6,788 for the 2008–2011 car to $11,266 for the 2012–2015 one, across 210 listings.
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