Dimensions2018–present

Mercedes-Benz B-Classdimensions

The current Mercedes-Benz B-Class is 4,419 mm long, 1,796 mm wide and 1,562 mm tall, on a 2,729 mm wheelbase. It has grown 15 cm longer since the 2005 B-Class.

4,419mmLength
1,796mmWidth
1,562mmHeight
2,729mmWheelbase
446lBoot capacity

How the B-Class has grown

2005
2011
2014
2018
YearsLengthWidthHeightWheelbaseBoot capacityTurning circle
2005–20114,2701,7771,6042,77845812.0
2011–20184,3591,7861,5572,69948611.0
2014–20184,3921,7871,5582,69948811.0
2018–presentCurrent4,4191,7961,5622,72944611.0

Interior space

The Mercedes-Benz B-Class offers 870 mm of rear legroom and 960 mm of rear headroom, with 1,130 mm of legroom and 990 mm of headroom up front. Rear shoulder room measures 1,490 mm across.

FrontRear
Legroom1,130 mm870 mm
Headroom990 mm960 mm
Shoulder room1,550 mm1,490 mm

Interior figures are the roomiest measurement (seat fully back), taken as the median across the current generation’s variants; individual trims vary.

Frequently asked

How big is the Mercedes-Benz B-Class?
The current Mercedes-Benz B-Class is 4,419 mm long, 1,796 mm wide and 1,562 mm tall.
Is the B-Class roomy in the back?
The current Mercedes-Benz B-Class has 870 mm of rear legroom and 960 mm of rear headroom.
Is the B-Class good for tall passengers?
Up front the current B-Class has 990 mm of headroom and 1,130 mm of legroom.
Has the B-Class got bigger over the years?
Yes — the B-Class has grown 15 cm longer since the 2005 B-Class.
How big is the B-Class boot?
The current B-Class has a boot of 446 litres with the seats up.
What is the B-Class wheelbase?
The current B-Class has a 2,729 mm wheelbase.
How this is measured

Exterior figures are manufacturer specifications for the B-Class, averaged per generation across its variants and shown for the most common body style. Generations with the same size are merged. Boot capacity is the seats-up figure where the manufacturer quotes one.

Mercedes-Benz B-Class