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2020 Mercedes-Benz SL-Class dimensions: length, width, height, weight, cargo

Length

182.3in long

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182.3 in long101.7 in wheelbase82.6 inwith mirrors
To scale. Dashed: median of 23 convertibles (2020). Height not listed. Drawing uses the class median.

Dimensions by trim

2020 Mercedes-Benz SL-Class: outside dimensions by trim
TrimLengthWidthWith mirrorsHeightWheelbaseGround clearanceTurning circle
SL 450 Roadster RWD, SL 550 Roadster RWD182.3 in73.9 in82.6 in51.2 in to 52.0 in101.7 in3.7 in36.2 ft
SL 400 Roadster 2D RWD, SL 63 AMG Roadster 2D RWD, SL 65 AMG Roadster 2D RWD182.3 in74.0 in82.6 in52.0 in101.8 in3.7 in36.2 ft
2020 Mercedes-Benz SL-Class: weight by trim
TrimCurb weight
SL 450 Roadster RWD3,826 lb
SL 550 Roadster RWD4,001 lb
SL 400 Roadster 2D RWD3,836 lb
SL 63 AMG Roadster 2D RWD3,825 lb to 4,068 lb
SL 65 AMG Roadster 2D RWD3,825 lb to 4,211 lb
2020 Mercedes-Benz SL-Class: cargo and room by trim
TrimCargo, seats upCargo, maxPassenger volumeFront legroomFront headroom
SL 450 Roadster RWD8.5 cu ft13.5 cu ft50.5 cu ft42.9 in39.1 in
SL 550 Roadster RWD8.5 cu ft13.5 cu ft50.5 cu ft42.9 in39.1 in
SL 400 Roadster 2D RWD, SL 63 AMG Roadster 2D RWD, SL 65 AMG Roadster 2D RWD8.5 cu ft13.5 cu ft50.5 cu ft42.9 in39.1 in

Weight

Curb weight
3,826 lb
Kilograms
1,735 kg
US tons
1.9 tons

SL 450 Roadster RWD. All trims: 3,826 lb to 4,001 lb.

Heavier than 68% of 23 convertibles (2020).

Garage fit

2020 Mercedes-Benz SL-Class in standard garages, centred
GarageFitsSpare lengthEach side
Single, 12 x 22 ftYes81.7 in35.0 in
Single, 14 x 24 ftYes105.7 in47.0 in
Double, 20 x 20 ftYes57.7 in83.0 in
Double, 24 x 24 ftYes105.7 in107.0 in
2020 Mercedes-Benz SL-Class through a garage door
DoorFitsSpare widthAbove roof
8 ft wide, 7 ft tallN/A13.4 inN/A
9 ft wide, 7 ft tallN/A25.4 inN/A

Door width check uses the mirrors: 82.6 in.

Your garage

Second car

Garage 12 x 22 ft. Door 9 x 7 ft.

  • Yes. 81.7 in spare length. 35.0 in each side.
  • Door: not enough data.

Size class

Mid-size convertible.

Longer than 50% of 23 convertibles (2020).

Median of 23 convertibles (2020): 182.3 in long.

Cargo, seats up: 8.5 cu ft. More than 31% of 17 convertibles (2020).

Bigger and smaller rivals

2020 Mercedes-Benz SL-Class and rivals by length
ModelLengthvs SL-ClassCargo, seats upvs SL-Class
Rolls-Royce Dawn207.9 in+25.6 in9.2 cu ft+0.7 cu ft
BMW 8 Series191.1 in+8.8 inN/AN/A
Mercedes-Benz SL-Class182.3 in-8.5 cu ft-
Chevrolet Corvette182.3 inabout the same12.6 cu ft+4.1 cu ft
Ferrari Portofino180.6 in-1.7 in10.3 cu ft+1.8 cu ft
Porsche 911177.9 in-4.4 inN/AN/A
Alfa Romeo 4C157.0 in-25.3 in3.7 cu ft-4.8 cu ft

Legroom and headroom

SL 450 Roadster RWD.

Front legroom
42.9 inMore than 88% of 18 convertibles (2020).
Front headroom
39.1 inMore than 80% of 16 convertibles (2020).

Tall drivers: front legroom and headroom in the top 25% of convertibles.

What this cannot tell you

Outline is a body-style template scaled to these numbers.

Garage fit ignores shelves, steps and open doors.

How values are checked