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Size comparison · drawn to scale

Mercedes-Benz CLS (C218) vs Citroen SM I: size comparison

  • Length CLS (C218) 47 mm2 in longer
  • Height CLS (C218) 92 mm4 in taller

Car 1 blue, solid outline

CLS (C218) Mercedes-Benz · 2011–2018 · Coupé CLS (C218) 4,940 × 1,416 mm16 ft 2 in × 4 ft 8 in Change

Car 2 coral, dashed outline

SM I Citroen · 1970–1975 · Coupé SM I 4,893 × 1,836 × 1,324 mm16 ft 1 in × 6 ft 0 in × 4 ft 4 in Change
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  • Car 1, blue, solid outline: CLS (C218)
  • Car 2, coral, dashed outline: SM I
0 m1 m2 m3 m4 m5 m6 m1 m0 ft1 ft2 ft3 ft4 ft5 ft6 ft7 ft8 ft9 ft10 ft11 ft12 ft13 ft14 ft15 ft16 ft17 ft18 ft19 ft20 ft21 ft1 ft2 ft3 ft4 ftWheelbase 2,874 mmWheelbase 9 ft 5 inLength 4,940 mmLength 16 ft 2 in1,416 mm4 ft 8 inWheelbase 2,900 mmWheelbase 9 ft 6 inLength 4,893 mmLength 16 ft 1 in1,324 mm4 ft 4 in

Scale about 1:22 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 CLS (C218) is 47 mm2 in longer and 92 mm4 in taller than the SM I. Its wheelbase is 26 mm1 in shorter.

DimensionCLS (C218)SM IDifference, car 1 vs car 2
Length4,940 mm16 ft 2 in16 ft 2 in4,940 mm4,893 mm16 ft 1 in16 ft 1 in4,893 mm +47 mm+2 in +1.0%
WidthNot in our catalog yet1,836 mm6 ft 0 in6 ft 0 in1,836 mm -
Height1,416 mm4 ft 8 in4 ft 8 in1,416 mm1,324 mm4 ft 4 in4 ft 4 in1,324 mm +92 mm+4 in +6.9%
Wheelbase2,874 mm9 ft 5 in9 ft 5 in2,874 mm2,900 mm9 ft 6 in9 ft 6 in2,900 mm −26 mm−1 in −0.9%
Boot475 L16.8 cu ft16.8 cu ft475 LNot in our catalog yet -

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.

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.

SM I

Single garage
Tight 607 mm2 ft 0 in to spare in length, 582 mm1 ft 11 in each side
Parking bay
Tight 107 mm4 in to spare in length, 332 mm1 ft 1 in each side

Check your own garage with these cars

Frequently asked questions

Which is bigger, the Mercedes-Benz CLS (C218) or the Citroen SM I?

The Mercedes-Benz CLS (C218) is the bigger car by length. The CLS (C218) is 47 mm longer and 92 mm taller than the SM I. Its wheelbase is 26 mm shorter.

Will the Mercedes-Benz CLS (C218) and the Citroen SM I fit in a standard garage?

In a typical single garage of 5.5 × 3.0 m inside: The Citroen SM I fits, but it is tight to get out (607 mm to spare in length, 582 mm each side). Widths are without mirrors; check your own garage with our garage checker.