Short answer: the Mercedes-Benz C-Class Sedan (2021) is bigger — it is 6.5 cm longer and 1 cm wider than the Mercedes-Benz C-Class Sedan (2014).

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Mercedes-Benz C-Class vs Mercedes-Benz C-Class

Mercedes-Benz C-Class (2021) W206 · 2021 · SedanMercedes-Benz C-Class (2014) W205 · 2014 · Sedanaligned at front bumper + ground · same scale
Mercedes-Benz C-Class (2021) · 475.1 cmMercedes-Benz C-Class (2014) · 468.6 cm Mercedes-Benz C-Class (2021) · 143.8 cmMercedes-Benz C-Class (2014) · 144.2 cm
Mercedes-Benz C-Class W2062021–present · Sedan
Length475.1 cm15 ft 7 in4,751 mm6.5 cm longervaries by version
Width182 cm6 ft 0 in1,820 mm1 cm wider
Width incl. mirrors—no data
Height143.8 cm4 ft 9 in1,438 mm0.4 cm lowervaries by version
Wheelbase286.5 cm9 ft 5 in2,865 mm2.5 cm longer wheelbasevaries by version
Ground clearance—no data
Boot (seats up)455 L 
Boot (seats folded)—no data
Weight—no data
Mercedes-Benz C-Class W2052014–2021 · Sedan
Length468.6 cm15 ft 4 in4,686 mm6.5 cm shortervaries by version
Width181 cm5 ft 11 in1,810 mm1 cm narrower
Width incl. mirrors—no data
Height144.2 cm4 ft 9 in1,442 mm0.4 cm tallervaries by version
Wheelbase284 cm9 ft 4 in2,840 mm2.5 cm shorter wheelbasevaries by version
Ground clearance—no data
Boot (seats up)—no data
Boot (seats folded)—no data
Weight—no data

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 Mercedes-Benz C-Class Sedan (2014): the differences

Will they fit? UK parking bay and garage

CarParking bay 4.8 × 2.4 mSingle garage, 7 ft door
Mercedes-Benz C-Class Sedan (2021)Fits, but tightDoesn't fitcheck my garage
Mercedes-Benz C-Class Sedan (2014)Fits, but tightDoesn't fitcheck 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) · Mercedes-Benz C-Class Sedan (2014). Dimensions may vary by trim, market and model year.

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