The current Mercedes-Benz S-Class is 5,291 mm long, 1,921 mm wide and 1,503 mm tall, on a 3,202 mm wheelbase. It has grown 24 cm longer since the 1980 S-Class.
| Years | Length | Width | Height | Wheelbase | Boot capacity | Turning circle |
|---|---|---|---|---|---|---|
| 1980–1985 | 5,051 | 1,820 | 1,434 | 2,990 | 505 | 11.8 |
| 1985–1991 | 5,084 | 1,820 | 1,439 | 2,997 | 510 | 11.8 |
| 1991–1993 | 5,143 | 1,886 | 1,495 | 3,070 | 525 | 12.2 |
| 1993–1998 | 5,149 | 1,886 | 1,486 | 3,076 | 525 | 12.1 |
| 1998–2005 | 5,098 | 1,855 | 1,444 | 3,025 | 500 | 12.0 |
| 2005–2009 | 5,143 | 1,871 | 1,473 | 3,102 | 560 | 12.2 |
| 2009–2013 | 5,164 | 1,871 | 1,485 | 3,103 | 560 | 12.2 |
| 2013–2017 | 5,187 | 1,899 | 1,496 | 3,106 | 518 | 12.3 |
| 2017–2020 | 5,237 | 1,899 | 1,496 | 3,146 | 505 | 12.3 |
| 2020–2026 | 5,237 | 1,953 | 1,503 | 3,163 | 496 | 12.3 |
| 2021–2026 | 5,469 | 1,954 | — | 3,396 | 467 | — |
| 2026–presentCurrent | 5,291 | 1,921 | 1,503 | 3,202 | 481 | 12.4 |
Exterior figures are manufacturer specifications for the S-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.