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Mercedes GLC size and dimensions guide

The Mercedes GLC is the brand’s first foray (in the UK at least) into the mid-size SUV market. With rivals as tough as the BMW X3 and Audi Q5, the Mercedes needs to perform in every area to take the lead in this competitive class.

We’ve taken a look at how it measures up against its rivals. Literally – by studying its length, interior space and boot volume, we’re comparing how it copes in this segment. Put the Mercedes GLC in our car configurator to see how much carwow could help you save.

External dimensions

The GLC shares much of its underpinnings with the C-Class, so it isn’t surprising to discover that they take up a similar amount of space on the road. The GLC is 76mm wider and 30mm shorter than the car it’s based on but, crucially, it’s almost identical in length, width and height to one of its biggest rivals – the Audi Q5.

Its size isn’t intimidating on the road, so it feels as happy pottering about in cities as it does cruising at motorway speeds.

External dimensions
Length 4,656mm
Width 2,096mm
Height 1,639mm
Wheelbase 2,783mm

Interior dimensions

Like the outside, the GLC’s interior space is very closely matched to the Q5’s. In terms of shoulder room, it beats the Q5 in the rear by 4mm and falls short in the front by 10mm – both measurements so minute that you would never notice.

Overall, cabin space has impressed critics, the seats are comfortable and the high driving position gives the driver a clear view of the road ahead.

Interior space
Shouler room (front) 1,455mm
Shouler room (rear) 1,436mm

Boot space

At 550 litres, the GLC’s boot is more than big enough for most situations. That figure also matches the BMW X3 and beats the Q5 by a modest 10 litres, too. Should you need a little extra space, the rear-seat backs split 40:20:40, further boosting practicality. Fold the rear bench away completely and a volume of 1,600 litres is available.

Boot space
Seats up 550 litres
Seats down 1,600 litres

Turning circle and fuel tank capacity

Although the bulky styling may make you think the GLC might be difficult to navigate into tight parking spots, the 11.8-metre turning circle suggests that it shouldn’t be much of a hassle.

Should you match the official 56.0mpg that the Mercedes GLC can achieve on average, a 66-litre fuel tank should help you to travel as much as 813 miles before needing a refill.

Turning circle and fuel tank
Turning circle 11.8 metres
Fuel tank 66 litres

Weights and towing

Thanks to a greater quantity of lightweight materials used in its construction, the GLC weighs as much as 80 kilos less than its non-UK predecessor, the GLK, helping it to be both faster and more fuel efficient.

The GLC has a fairly limited engine range, offering one 2.1-litre diesel engine in two different states of tune. With the engines essentially identical save for software changes, both models weigh exactly the same.

Caravan users and luggers of other heavy goods will be pleased to discover that the GLC’s maximum 2,500kg limit for a braked trailer is 100kg better than the most capable Q5.

Weights and towing
Weight 1,845kg
Towing weight (unbraked trailer) 750kg
Towing Weight (braked trailer) 2,500kg

Like to know more?

If the GLC looks like it should physically fit into your life, it’s time to find out how it’ll cope out on the road. Read our detailed review to discover what the UK motoring press make of it, then put the Mercedes GLC in our car configurator to see how much you could save on one.

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