FORCAR
Go Pro

Mercedes-Benz 300 Trunk Space

The 2023 Mercedes-Benz 300 has 16 cu ft of trunk space: room for 2 checked suitcases or 8 carry-ons.

EPA interior volume · 16 cu ft trunk · 112 cu ft cabin · measured 2023 · Updated Nov 3, 2026
Quick answer

Among 95 sedans and coupes with a similar-sized cabin, the average is 15.7 cu ft, so the 300 sits right on it.

What actually fits in a 300

The biggest single change came in 2006: +7 cu ft against the 2004 car.

FIG.01·Mercedes-Benz 300 — what fits in the trunk
What you are loadingHow many fitEach item
Checked suitcases227 × 21 × 14″ — 4.6 cu ft
Carry-on cases822 × 14 × 9″ — 1.6 cu ft
Grocery bags12about 1 cu ft each
Golf bags2full 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 300 — cabin versus cargo
SpaceVolumeShare of total
Passenger cabin112 cu ft87.5%
Cargo area16 cu ft12.5%
Total interior128 cu ft100%
ROWS 3·SOURCE EPA interior volume

Against cars with a similar cabin

FIG.03·Mercedes-Benz 300 against similar cars
MeasureThis car95 sedans and coupes with a similar cabinDifference
Cargo volume16 cu ft15.7 cu ft+0.3 cu ft
In checked suitcases22+0
ROWS 2·SOURCE ForCar, computed across cars of similar cabin size

Cars with the same room

Against its closest rivals: the Subaru Legacy has 15 cu ft, next to 16 cu ft for the 300. That makes the 300 the roomiest of the two.

FIG.04·Mercedes-Benz 300 — cars with the same cargo room
CarTrunk volumevs Mercedes-Benz 300Checked suitcasesMeasured
Toyota Avalon16 cu ft0 cu ft22022
Hyundai Azera16 cu ft0 cu ft22017
Kia Cadenza16 cu ft0 cu ft22020
Honda Clarity16 cu ft0 cu ft22021
Ford Fusion16 cu ft0 cu ft22020
Kia K516 cu ft0 cu ft22026
ROWS 6·SOURCE EPA interior volume + ForCar
Upgrade to Pro

Trunk space is one number. Buying is a longer list.

  • Check a VIN for recalls, complaints and its exact build
  • Exact value for that car, adjusted for its mileage
  • The original window sticker and factory options
  • Full research report as a PDF you can hand to a mechanic
  • No ads, on every page
  • No ads, no tracking — and much more
See plans → Start free →
Free plan available — no credit card needed
Everything on the Mercedes-Benz 300
Recalls11 campaignsFuel economy26 mpg bestDimensionsSize, weight, generationsWindow stickerOriginal Monroney labelDecode a VINWhat each character meansAbout this car1981–1993

Frequently asked questions

How much cargo space does the Mercedes-Benz 300 have?

16 cu ft in the trunk in the 2023 model, with 112 cu ft of passenger space. The average for 95 sedans and coupes with a similar cabin is 15.7 cu ft.

Does the 300 have more cargo space than the Subaru Legacy?

Yes: 16 cu ft against 15 cu ft for the 2025 Subaru Legacy, about 1 cu ft more.

Has the 300's trunk got bigger over the years?

Not much overall: 17 cu ft in 1999 and 16 cu ft in 2023, though it ranged from 16 to 24 cu ft in between.

Which cars have the same cargo room as the 300?

The closest by volume in the same body family are the Toyota Avalon (16 cu ft), Hyundai Azera (16 cu ft) and Kia Cadenza (16 cu ft), against 16 cu ft for the 300.

Cargo and passenger volumes from EPA interior-volume records, measured 2023 for the Mercedes-Benz 300, 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.
Found this useful?

Mark ForCar as a preferred source and our data shows up first in your Google results. One click, no account.

Prefer ForCar →