Mercedes Benz · Sedan · 2018

Mercedes-Benz C-Class Trunk Dimensions

Dimensions
Trunk space

This page shows the C-Class (Sedan). Other body styles are: C-Class Cabriolet (Convertible) , C-Class Coupe (Coupe) , C-Class Wagon (Wagon) .

Mercedes Benz C-Class - All trunk dimensions at a glance: width, height, length, depth (with the rear seats folded down and upright). — Trunk dimensions Mercedes Benz C-Class (Sedan). Access in 3D

Trunk dimensions Mercedes Benz C-Class (Sedan). Access in 3D

Mercedes Benz C-Class trunk dimensions – detail — Detail dimensions Mercedes Benz C-Class

Mercedes Benz C-Class (Sedan) Trunk Dimensions

Mercedes Benz C-Class (Sedan) Trunk Dimensions
Measurement	Value
Width of Trunk	37.6 in
Length of Trunk	39.6 in
Height of Trunk	18.2 in

Mercedes Benz C-Class (Sedan) Car Dimensions

Mercedes Benz C-Class (Sedan) Car Dimensions
Measurement	Value
Length of Car	187 in
Width of Car	71.7 in
Height of Car	58.8 in

More trunk measurements in the illustration above. Trunk geometries are not boxes. Access this trunk as a 3D model including roof-line and chair inclinations here and test what fits.

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Strollers

hauck Rapid 3 Air

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Suitcases

Samsonite S'Cure - Spinner XL 138L

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Travel bags

Eastpak Terminal+ 96L

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Trunk organizers

FORTEM XXL

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Mobility aids

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Garden tools

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Ladders

SONGMICS 3 Stufen

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Hand trucks

ATHLON TOOLS C3203 100kg

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Boxes

Auer Packaging 60x40x32

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Trunk dimensions Mercedes-Benz C-Class

The trunk of the Mercedes Benz C-Class sedan 2018 offers a volume of about 17 cu ft. With the rear seats folded down, which can be split in a 60:40 ratio, the cargo space increases significantly, though exact values may vary. The rear bench is designed for comfort and allows practical use of the interior.

The trunk opening is generous, but the loading lip can be somewhat high, making loading more difficult. The interior design is high-quality, focusing on functionality and style.

Within the model range and production years, there are slight differences in trunk dimensions, but the basic shape remains constant. Overall, the trunk offers a good combination of space and practicality, ideal for everyday use.

Model Information

The latest series of the Mercedes Benz C-Class sedan combines elegance, comfort, and modern technology. It is known for its high-quality craftsmanship and innovative safety features.

The C-Class sedan offers sporty driving dynamics and is suitable for both city traffic and longer trips. The equipment includes, among other things, a digital cockpit, advanced infotainment systems, and various engine options that provide both efficiency and performance.

Variants of the Same Series

The Mercedes Benz C-Class is available in several variants that differ in design and functionality. Besides the sedan, there is the convertible, which offers an open driving experience, as well as the wagon, which provides additional cargo space and flexibility.

Additionally, a hatchback variant is available, which appears sportier. These differences are important to make the right choice depending on personal needs and preferences.

Yearly Differences

The C-Class has undergone several model changes over the years that have affected the body dimensions and trunk volume. The current generation was introduced in 2021, and compared to previous models, the dimensions were slightly adjusted to offer more interior space and comfort.

Earlier models, such as those of the 205 series (2014-2020), had smaller trunk volumes and different dimensions that impacted trunk usability.

Direct Competitors

In the same price range and size category are models like the BMW 3 Series and the Audi A4 sedan. The BMW 3 Series offers a trunk volume of about 17 cu ft, similar to the C-Class.

The Audi A4, on the other hand, has a volume of around 16.2 cu ft, making it slightly less spacious. These differences can be decisive for buyers who value cargo space.

More Affordable Alternatives

More affordable models with similar trunk dimensions include the Skoda Octavia and the Ford Mondeo. The Skoda Octavia offers a trunk volume of about 21.2 cu ft, making it an attractive option for buyers who need a lot of cargo space.

The Ford Mondeo also has a trunk volume of about 17.7 cu ft. These models offer good value for money and are generally less expensive than the Mercedes Benz C-Class.

Trunk space Mercedes-Benz C-Class

Mercedes Benz C-Class trunk space volume — Trunk volume Mercedes Benz C-Class

Trunk Volume

The Mercedes‑Benz C‑Class wagon (2021) offers a trunk volume of 17.3 cu ft (manufacturer specification). This is about 16.7% larger than an average car. Calculated as a ratio to the car volume (L×W×H/2), the trunk accounts for ≈ 7.6% of the total volume — 1.2 percentage points more than average.

With the rear seats folded down, the volume grows to the roof height at 53.3 cu ft. This configuration corresponds to ≈ 23.4% of the car volume, which is 1.6 percentage points above the average.

Everyday impact: The base size of 17.3 cu ft is comfortably sufficient for weekly groceries, strollers, or several suitcases. Folding down the rear seats creates significantly more loading space for bulky or tall items (furniture, larger sports equipment, larger shopping loads).

Vehicle Size and Parking Friendliness

Dimensions (L×W×H): 187 in × 71.7 in × 58.7 in.

Compared to the average, the car is 7.5 in longer (+4.2%), 1.2 in narrower (−1.7%), and 2.8 in lower (−4.5%).
Compared to a typical parking space, the C wagon is 9.8 in shorter and 26.8 in narrower. This means about 26.8 in total width clearance in a normal parking spot (approx. 13.4 in per side), thus comfortable side distances.

Everyday impact: The slightly greater length can be noticeable when maneuvering in very tight city centers or narrow driveways, while the reduced width makes parking in narrow spots easier. The lower overall height helps in underground garages and slightly lowers the center of gravity.

Trunk Usability and Flexibility

The combination of a good base volume and significantly expandable cargo volume with folded rear seats makes the C wagon flexible:

17.3 cu ft for everyday use — ideal for shopping, child necessities, or luggage on short trips.
53.3 cu ft up to roof height with folded rear seats — sufficient for long, bulky, or tall loads that would not fit without expanding the cargo area.
The increased share of the trunk in the total volume (7.6% or 23.4% up to roof) shows that the wagon optimizes space allocation in favor of cargo area.

Practically, this means: suitable for families and leisure daily use, and good options for transport or vacation luggage without a special roof box.

General Model Information

Reputation: The Mercedes‑Benz C‑Class wagon is an established model in the premium wagon segment and is considered a benchmark in terms of craftsmanship and brand image.

Special features / characteristics: Typical are high-quality materials and a balanced mix of comfort and dynamic driving behavior. Exterior dimensions show a slightly elongated but overall compact wagon body with a well-usable trunk.

Price-performance ratio: As a premium product, the C-Class usually costs more than comparable models from volume manufacturers but offers brand prestige, equipment, and build quality. Whether the premium is justified depends on the demand for materials, technology, and image.

Competitor models: Main competitors include BMW 3 Touring, Audi A4 Avant, and Volvo V60 — all similar size class and cargo volume, each with their own strengths in driving dynamics, comfort, or safety.

What fits in the Mercedes Benz C-Class trunk?

Tested: 100 products — 63 fit with seats up, 26 only with seats folded.

Info

To check whether products fit the trunk, we use a purpose-built database of 3D models of 800+ trunks.
We offer the same method to online retailers at car-go.fit.
On Trunk 3D you can place these products in your trunk and arrange them with other items.
Missing an important product? Contact us at support@kofferraum.org.

Which strollers fit in the Mercedes Benz C-Class?

5 fit upright, 7 folded-only, 1 do not fit.

Strollers

hauck Rapid 3 Air

Fits (seats up)

into the Mercedes Benz C-Class

Mercedes Benz C-Class (Sedan) Trunk Dimensions

Mercedes Benz C-Class (Sedan) Car Dimensions

Best matching products

Trunk dimensions Mercedes-Benz C-Class

Model Information

Variants of the Same Series

Yearly Differences

Direct Competitors

More Affordable Alternatives

Trunk space Mercedes-Benz C-Class

Trunk Volume

Vehicle Size and Parking Friendliness

Trunk Usability and Flexibility

General Model Information

What fits in the Mercedes Benz C-Class trunk?

Does not fit

Does not fit

Does not fit

Does not fit

Trunk 3D

Averages by vehicle class

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