The current Mercedes-Benz M-Class is 4,804 mm long, 1,926 mm wide and 1,796 mm tall, on a 2,915 mm wheelbase. It has grown 21 cm longer since the 1998 M-Class.
| Years | Length | Width | Height | Wheelbase | Boot capacity | Turning circle |
|---|---|---|---|---|---|---|
| 1998–2001 | 4,595 | 1,833 | 1,781 | 2,820 | 633 | 11.9 |
| 2001–2005 | 4,638 | 1,848 | 1,818 | 2,820 | 633 | 11.9 |
| 2005–2011 | 4,780 | 1,911 | 1,815 | 2,915 | 500 | 11.6 |
| 2011–2015Current | 4,804 | 1,926 | 1,796 | 2,915 | 690 | 11.8 |
The Mercedes-Benz M-Class offers 920 mm of rear legroom and 980 mm of rear headroom, with 1,125 mm of legroom and 1,040 mm of headroom up front. Rear shoulder room measures 1,560 mm across.
| Front | Rear | |
|---|---|---|
| Legroom | 1,125 mm | 920 mm |
| Headroom | 1,040 mm | 980 mm |
| Shoulder room | 1,540 mm | 1,560 mm |
Interior figures are the roomiest measurement (seat fully back), taken as the median across the current generation’s variants; individual trims vary.
Exterior figures are manufacturer specifications for the M-Class, averaged per generation across its variants and shown for the most common body style. Generations with the same size are merged. Boot capacity is the seats-up figure where the manufacturer quotes one.