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Mercedes-Benz B-Class Specs

Since 2008 the B-Class has grown 4.7″ in length and gained 287 lb.

NHTSA vPIC · Transport Canada · 2 generations · 2008–2019 · Updated Nov 3, 2026
Quick answer

The 2019 Mercedes-Benz B-Class, the latest model year on record, is 172.8″ long, 71.3″ wide and 61.4″ tall on a 106.3″ wheelbase, and weighs 3,274 lb. At 14.4 ft it fits a standard garage and leaves 3.6 ft spare in an 18-foot street space.

Every Mercedes-Benz B-Class generation, measured

The biggest change came in 2013: the new car was 3.6″ longer and 265 lb heavier than the 2008–2012 one.

FIG.01·Mercedes-Benz B-Class dimensions by generation
GenerationLengthWidthHeightWheelbaseCurb weight
2008–2012168.1″70.1″63″109.4″2,987 lb
2013–2019171.7″70.1″61.4″106.3″3,252 lb
ROWS 2·SOURCE NHTSA vPIC / Transport Canada

B-Class year by year

FIG.02·Mercedes-Benz B-Class dimensions by model year
Model yearLengthWidthWheelbaseCurb weightBody styles
2019172.8″71.3″106.3″3,274 lb2
2018172.8″71.3″106.3″3,274 lb2
2017172.8″71.3″106.3″3,274 lb2
2016172.8″71.3″106.3″3,274 lb2
2015172.8″71.3″106.3″3,274 lb2
2014171.7″70.1″106.3″3,252 lb1
2013171.7″70.1″106.3″3,252 lb1
2012168.1″70.1″109.4″2,987 lb1
2011168.1″70.1″109.4″2,987 lb1
2010168.1″70.1″109.4″2,987 lb1
2009168.1″70.1″109.4″2,987 lb1
2008168.1″70.1″109.4″2,987 lb1
ROWS 12·SOURCE Transport Canada vehicle specifications

Will a B-Class fit

FIG.02·Mercedes-Benz B-Class — will it fit
SpaceTypical sizeThis carVerdict
Single garage20 ft deep14.4 ftFits, with room to open the door
Street parking space18 ft14.4 ftFits comfortably
Standard parking bay width8.5 ft wide5.9 ftRoom to open doors both sides
ROWS 3·SOURCE ForCar, computed from vehicle dimensions

Against cars of the same length

Among the 782 cars within 10″ of its length, the B-Class has a longer wheelbase than 80%.

FIG.03·Mercedes-Benz B-Class against similar-sized cars
MeasureThis carTypical of 782 cars within 10″ of its lengthDifference
Width71.3″70.1″+1.2″
Wheelbase106.3″102.4″+3.9″
Curb weight3,274 lb3,172 lb+102 lb
ROWS 3·SOURCE ForCar, computed across vehicles of similar length

B-Class against its rivals

Next to the Chevrolet Cruze and Toyota COROLLA iM, the B-Class is the heaviest and the widest of the three.

FIG.04·Mercedes-Benz B-Class against its rivals
ModelModel yearLengthWidthCurb weight
Mercedes-Benz B-Class (this car)2019172.8″71.3″3,274 lb
Chevrolet Cruze2019179.5″70.9″2,824 lb
Toyota COROLLA iM2018170.5″69.3″2,943 lb
ROWS 3·SOURCE NHTSA vPIC / Transport Canada; rivals: same EPA class and body, most searched
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Everything on the Mercedes-Benz B-Class
Recalls11 campaignsFuel economy84 mpg bestCargo space22 cu ftWindow stickerOriginal Monroney labelDecode a VINWhat each character meansAbout this car2011–2022

Frequently asked questions

Is the 2019 B-Class bigger than the 2018?

No. The 2019 and 2018 B-Class are the same size and weight.

Which is bigger, the B-Class or the Chevrolet Cruze?

The 2019 Chevrolet Cruze is 6.7″ longer and 450 lb lighter than the 2019 B-Class.

Dimensions from NHTSA vPIC and Transport Canada vehicle records, manufacturer-declared for 12 B-Class model years, 2008 to 2019. Metric values converted to inches and pounds; generation boundaries are estimated from changes in size (how we measure). Last updated Nov 2026. — ForCar Reviewed by , founder of ForCar.
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