Size comparison · drawn to scale
Mercedes-Benz 300SL W198 vs McLaren 720S: size comparison
- Length 720S 24 mm0.9 in longer
- Height 300SL W198 104 mm4 in taller
Car 1 blue, solid outline

Car 2 coral, dashed outline
Change cars
Zoom in to read the measurements - or see the table below.
Scale about 1:20 on a desktop screen · grid 500 mm1 ft · in Overlay both cars start at the front bumper Side view: dashed lines mark the axles
Dimensions and difference
The 300SL W198 is 24 mm0.9 in shorter and 104 mm4 in taller than the 720S. Its wheelbase is 270 mm11 in shorter.
| Dimension | 300SL W198 | 720S | Difference, car 1 vs car 2 |
|---|---|---|---|
| Length | 4,520 mm14 ft 10 in14 ft 10 in4,520 mm | 4,544 mm14 ft 11 in14 ft 11 in4,544 mm | −24 mm−0.9 in −0.5% |
| Width | 1,790 mm5 ft 10 in5 ft 10 in1,790 mm | Not in our catalog yet | - |
| Height | 1,300 mm4 ft 3 in4 ft 3 in1,300 mm | 1,196 mm3 ft 11 in3 ft 11 in1,196 mm | +104 mm+4 in +8.7% |
| Wheelbase | 2,400 mm7 ft 10 in7 ft 10 in2,400 mm | 2,670 mm8 ft 9 in8 ft 9 in2,670 mm | −270 mm−11 in −10.1% |
| Boot | Not in our catalog yet | 150 L5.3 cu ft5.3 cu ft150 L | - |
| Kerb weight | 1,295 kg2,855 lb2,855 lb1,295 kg | 1,419 kg3,128 lb3,128 lb1,419 kg | −124 kg−273 lb −8.7% |
| Price new (EUR) | Not in our catalog yet | from about €237,946 (2017) | - |
Width without mirrors. Figures come from the catalog version pages; the drawing uses the same numbers. Body outlines are generic for the body type - proportions are exact, styling is not. New prices are list prices in EUR entered by our editors, with the year.
Garage and parking
A typical single garage is about 5.5 × 3.0 m18 ft 1 in × 9 ft 10 in inside; a parking bay about 5.0 × 2.5 m16 ft 5 in × 8 ft 2 in. Room to open a door: about 600 mm2 ft each side.
300SL W198
- Single garage
- Fits 980 mm3 ft 3 in to spare in length, 605 mm2 ft 0 in each side
- Parking bay
- Tight 480 mm1 ft 7 in to spare in length, 355 mm1 ft 2 in each side
Frequently asked questions
Which is bigger, the Mercedes-Benz 300SL W198 or the McLaren 720S?
The McLaren 720S is the bigger car by length. The 300SL W198 is 24 mm shorter and 104 mm taller than the 720S. Its wheelbase is 270 mm shorter.
Will the Mercedes-Benz 300SL W198 and the McLaren 720S fit in a standard garage?
In a typical single garage of 5.5 × 3.0 m inside: The Mercedes-Benz 300SL W198 fits with room to open the doors (980 mm to spare in length, 605 mm each side). Widths are without mirrors; check your own garage with our garage checker.
Drawn to one scale
Both cars use the same millimetre grid, so a longer bonnet or a taller roof shows exactly as it is.
Wheels at the real wheelbase
Dashed lines mark the axles. In Overlay both cars start at the front bumper; car 2 has a dashed outline.
Will it fit my garage?
Switch to Top view, or to feet and inches if your garage plan is in feet. Allow about 600 mm (2 ft) for opening the doors.
