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Mercedes-Benz B-Class Trunk Space

The 2015 Mercedes-Benz B-Class has 22 cu ft of trunk space: room for 3 checked suitcases or 11 carry-ons.

EPA interior volume · 22 cu ft trunk · 90 cu ft cabin · measured 2015 · Updated Nov 4, 2026
Quick answer

Among 185 sedans and coupes with a similar-sized cabin, the average is 12.9 cu ft, so the B-Class carries more than 95% of them.

What actually fits in a B-Class

FIG.01·Mercedes-Benz B-Class — what fits in the trunk
What you are loadingHow many fitEach item
Checked suitcases327 × 21 × 14″ — 4.6 cu ft
Carry-on cases1122 × 14 × 9″ — 1.6 cu ft
Grocery bags17about 1 cu ft each
Golf bags3full set, about 5 cu ft
Folded strollerFitsabout 6 cu ft
ROWS 5·SOURCE ForCar, computed from EPA cargo volume

Cabin or cargo — where the space went

FIG.02·Mercedes-Benz B-Class — cabin versus cargo
SpaceVolumeShare of total
Passenger cabin90 cu ft80.4%
Cargo area22 cu ft19.6%
Total interior112 cu ft100%
ROWS 3·SOURCE EPA interior volume

Against cars with a similar cabin

FIG.03·Mercedes-Benz B-Class against similar cars
MeasureThis car185 sedans and coupes with a similar cabinDifference
Cargo volume22 cu ft12.9 cu ft+9.1 cu ft
In checked suitcases32+1
ROWS 2·SOURCE ForCar, computed across cars of similar cabin size

Cars with the same room

Against its closest rivals: the Acura TL has 13 cu ft, the Dodge Avenger 13 cu ft and the Volvo S80 15 cu ft, next to 22 cu ft for the B-Class. That makes the B-Class the roomiest of the four.

FIG.04·Mercedes-Benz B-Class — cars with the same cargo room
CarTrunk volumevs Mercedes-Benz B-ClassChecked suitcasesMeasured
Ford C-Max24 cu ft+2 cu ft42018
Hyundai Veloster20 cu ft-2 cu ft32021
Chevrolet Sonic19 cu ft-3 cu ft32020
Saab 9-518 cu ft-4 cu ft32012
Saturn Aura16 cu ft-6 cu ft22010
Chevrolet Cruze Limited16 cu ft-6 cu ft22016
ROWS 6·SOURCE EPA interior volume + ForCar
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Frequently asked questions

How much cargo space does the Mercedes-Benz B-Class have?

22 cu ft in the trunk in the 2015 model, with 90 cu ft of passenger space. The average for 185 sedans and coupes with a similar cabin is 12.9 cu ft.

Does the B-Class have more cargo space than the Acura TL?

Yes: 22 cu ft against 13 cu ft for the 2014 Acura TL, about 9 cu ft more.

Which cars have the same cargo room as the B-Class?

The closest by volume in the same body family are the Ford C-Max (24 cu ft), Hyundai Veloster (20 cu ft) and Chevrolet Sonic (19 cu ft), against 22 cu ft for the B-Class.

Cargo and passenger volumes from EPA interior-volume records, measured 2015 for the Mercedes-Benz B-Class, seats up. Luggage capacity computed by ForCar at 80% usable volume against airline-standard case sizes (how we count). Last updated Nov 2026. — ForCar Reviewed by , founder of ForCar.
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