Size comparison · drawn to scale
Mercedes-Benz 300SL W198 vs McLaren MP4-12C: size comparison
- Length 300SL W198 11 mm0.4 in longer
- Width MP4-12C 118 mm5 in wider
- Height 300SL W198 96 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 Front view: width without mirrors Top view: footprint on the road
Dimensions and difference
The 300SL W198 is 11 mm0.4 in longer, 118 mm5 in narrower and 96 mm4 in taller than the MP4-12C. Its wheelbase is 270 mm11 in shorter.
| Dimension | 300SL W198 | MP4-12C | Difference, car 1 vs car 2 |
|---|---|---|---|
| Length | 4,520 mm14 ft 10 in14 ft 10 in4,520 mm | 4,509 mm14 ft 10 in14 ft 10 in4,509 mm | +11 mm+0.4 in +0.2% |
| Width | 1,790 mm5 ft 10 in5 ft 10 in1,790 mm | 1,908 mm6 ft 3 in6 ft 3 in1,908 mm | −118 mm−5 in −6.2% |
| Height | 1,300 mm4 ft 3 in4 ft 3 in1,300 mm | 1,204 mm3 ft 11 in3 ft 11 in1,204 mm | +96 mm+4 in +8.0% |
| 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% |
| Footprint | 8.09 m²87.1 sq ft87.1 sq ft8.09 m² | 8.60 m²92.6 sq ft92.6 sq ft8.60 m² | −0.51 m²−5.5 sq ft −6.0% |
| Kerb weight | 1,295 kg2,855 lb2,855 lb1,295 kg | 1,434 kg3,161 lb3,161 lb1,434 kg | −139 kg−306 lb −9.7% |
| Price new (EUR) | Not in our catalog yet | from about €200,000 (2011) | - |
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
MP4-12C
- Single garage
- Tight 991 mm3 ft 3 in to spare in length, 546 mm1 ft 9 in each side
- Parking bay
- Tight 491 mm1 ft 7 in to spare in length, 296 mm1 ft 0 in each side
Frequently asked questions
Which is bigger, the Mercedes-Benz 300SL W198 or the McLaren MP4-12C?
The McLaren MP4-12C is the bigger car by footprint (length × width). The 300SL W198 is 11 mm longer, 118 mm narrower and 96 mm taller than the MP4-12C. Its wheelbase is 270 mm shorter.
Will the Mercedes-Benz 300SL W198 and the McLaren MP4-12C 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). The McLaren MP4-12C fits, but it is tight to get out (991 mm to spare in length, 546 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.
