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Mercedes C-Class Saloon Dimensions & Space

RRP from
average carwow saving
Boot (seats up)
435 - 455 litres
Boot (seats down)

The C-Class’ front and rear seats are worlds apart – you get loads of electrical adjustment and tons of space in the front, but in the back they’re firm and significantly less roomy

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Passenger space

The C-Class’ generous interior dimensions mean you get plenty of room to stretch out. There’s enough head and legroom in the front for you to get comfortable, even if you’re very tall, and both front seats come with electric height-adjustment as standard so you can hunker down or raise yourself up high.

There’s also adjustable lumbar support built into the front seats as standard. This lets you tweak the seat’s lower back support to help prevent unpleasant aches and pains on long journeys.

Sadly, space in the back isn’t as generous as up front. A six-foot-tall passenger won’t struggle for knee room, but the C-Class’ sloping means their head might just touch the roof lining – especially in versions with a panoramic glass roof.

Carrying three adults side-by-side is particularly cramped. The central seat is firmer and raised above the outer two, and the huge lump in the rear floor means your middle passenger will struggle to find somewhere comfortable to put their feet.

That said, there’s still enough space for three kids to stretch out, and it’s pretty easy to fit a child seat, too. The back doors open nice and wide and the Isofix anchor points are clearly marked by folding rubber covers.

Storage space

Plenty of handy storage bins and cubby holes help make sure the interior of your new C-Class won’t end up looking like a forgotten kitchen cupboard after a few road trips. All four door bins are wide enough to hold a large 1.5-litre bottle of water there’s space to neatly tuck your phone under a flap in the centre console.

The cupholders in the centre console aren’t particularly generous, however, but there is a netted cubby in the passenger’s footwell if you need to carry any particularly wide bottles or a thermos. Your passengers in the back get a pair of cup holders built into the folding centre armrest and some faux leather seatback pockets – just like in a business-class airline seat.

The boot’s the same size as in an Audi and BMW, but the Mercedes’ narrow opening makes it a pain to load big boxes. Friends needing help moving house will have to look elsewhere…

Mat Watson
carwow expert
Boot space

Just like the Audi A4 and BMW 3 Series, the C-Class comes with a 480-litre boot. Unfortunately, it’s not quite as easy to load bulky luggage into the Mercedes, because its wraparound brake lights cut significantly into the size of the boot opening. You’ll still be able to carry a set of golf clubs or a baby buggy, though.

All but entry-level SE cars come with 40:20:40 split folding rear seats, so you can carry long pieces of luggage – such as skis – and two passengers in the back at once. If you need to carry even bigger items, flip all the back seats down and the C-Class’ load bay is big enough for you to fit a bike. That said, the small opening and large lump in the floor does make it rather tricky to load some large boxes.

To help stop your luggage rolling around, you get some luggage nets and a folding storage box that tucks neatly under the floor when you don’t need it.

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On average carwow buyers save £6,166 off the RRP of the Mercedes C-Class Saloon they configure.
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