The current Mercedes-Benz A-Class is 3,883 mm long, 1,764 mm wide and 1,593 mm tall, on a 2,568 mm wheelbase. It has grown 31 cm longer since the 1997 A-Class.
| Years | Length | Width | Height | Wheelbase | Boot capacity | Turning circle |
|---|---|---|---|---|---|---|
| 1997–2001 | 3,575 | 1,719 | 1,599 | 2,423 | 389 | 10.3 |
| 2001–2004 | 3,682 | 1,719 | 1,581 | 2,499 | 390 | 10.4 |
| 2004–2008 | 3,838 | 1,764 | 1,594 | 2,568 | 435 | 11.0 |
| 2008–2012Current | 3,883 | 1,764 | 1,593 | 2,568 | 435 | 11.0 |
The Mercedes-Benz A-Class offers 815 mm of rear legroom and 965 mm of rear headroom, with 1,150 mm of legroom and 1,030 mm of headroom up front. Rear shoulder room measures 1,450 mm across.
| Front | Rear | |
|---|---|---|
| Legroom | 1,150 mm | 815 mm |
| Headroom | 1,030 mm | 965 mm |
| Shoulder room | 1,440 mm | 1,450 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 A-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.