Short answer: the Tesla Model 3 (2023) is bigger — it is 3.1 cm1 in31 mm shorter and 3 cm1 in30 mm wider than the Mercedes-Benz C-Class Sedan (2021).

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Mercedes-Benz C-Class vs Tesla Model 3

Mercedes-Benz C-Class W206 · 2021 · SedanTesla Model 3 Highland · 2023 · Sedanaligned at front bumper + ground · same scale

Side Front Rear

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Mercedes-Benz C-Class W2062021–present · Sedan

Length475.1 cm15 ft 7 in4,751 mm3.1 cm1 in31 mm longervaries by version

Width182 cm6 ft 0 in1,820 mm3 cm1 in30 mm narrower

Width incl. mirrors—no data

Height143.8 cm4 ft 9 in1,438 mm0.2 cm0.1 in2 mm lowervaries by version

Wheelbase286.5 cm9 ft 5 in2,865 mm1 cm0.4 in10 mm shorter wheelbasevaries by version

Ground clearance—no data

Boot (seats up)455 L

Boot (seats folded)—no data

Weight—no data

Tesla Model 3 Highland2023–present · Sedan

Length472 cm15 ft 6 in4,720 mm3.1 cm1 in31 mm shortervaries by version

Width185 cm6 ft 1 in1,850 mm3 cm1 in30 mm wider

Width incl. mirrors208.9 cm6 ft 10 in2,089 mm

Height144 cm4 ft 9 in1,440 mm0.2 cm0.1 in2 mm tallervaries by version

Wheelbase287.5 cm9 ft 5 in2,875 mm1 cm0.4 in10 mm longer wheelbasevaries by version

Ground clearance13.8 cm5 in138 mm varies by version

Boot (seats up)—no data

Boot (seats folded)—no data

Weight1,705 kg varies by version

Dimensions may vary by trim, market and model year. For guidance only — check with the manufacturer before you buy. Sources are listed on each car's page.

Mercedes-Benz C-Class Sedan (2021) vs Tesla Model 3 (2023): the differences

The Mercedes-Benz C-Class Sedan (2021) is 3.1 cm1 in31 mm longer, 3 cm1 in30 mm narrower and the same height than the Tesla Model 3 (2023).
Its wheelbase is 286.5 cm9 ft 5 in2,865 mm against 287.5 cm9 ft 5 in2,875 mm (1 cm0.4 in10 mm shorter).
Some figures vary by version; see each car’s page for the exact source and variant.

Will they fit? UK parking bay and garage

Car	Parking bay 4.8 × 2.4 m	Single garage, 7 ft door
Mercedes-Benz C-Class Sedan (2021)	Fits, but tight	Doesn't fit	check my garage
Tesla Model 3 (2023)	Fits, but tight	Doesn't fit	check my garage

Assumes a UK standard parking bay of 4.8 × 2.4 m and a typical UK single garage of 4.8 × 2.4 m inside (2.1 m high) with a 7 ft × 6 ft 6 in (213 × 198 cm) up-and-over door. Where we have no width-with-mirrors figure we add 20 cm to the body width. “Comfortably” leaves about 60 cm to walk round and open a door; “tight” means it goes in but getting out is awkward. Garages and bays vary a lot — measure yours and use the garage fit checker. For guidance only.

See the full specifications and sources: Mercedes-Benz C-Class Sedan (2021) · Tesla Model 3 (2023). Dimensions may vary by trim, market and model year.