Space and practicality
Front space, rear space, seating flexibility, boot
A luxury saloon is a great place to start if you want a performance car with lots of space. Both provide decent front head room (although there’s more in the BMW) and leg room, and there’s no danger of any shoulder rubbing, either.
In the back, there’s again more head room in the BMW, whereas the Mercedes is restricted a little when fitted with its optional (part of the £2595 Premium Package) panoramic sunroof. There’s more knee room in the back of the Mercedes, though, and three adults sitting side by side will be slightly more comfortable, thanks to the extra shoulder room. That said, the middle passenger has to put up with straddling a lump in the floor in either car.
There aren’t many 600bhp cars that can take a decent amount of luggage, but both the BMW and Mercedes can swallow eight carryon suitcases. Split-folding rear seats (in a 40/20/40 configuration) are standard on the Mercedes, whereas BMW charges £1196 for them as part of the Comfort Package. With them folded fl at in both cars, it’s the Mercedes that has the bigger opening through to the backs of its front seats.
Official boot capacity 530 litres Suitcase capacity 8
The BMW has more head room in both the front and rear. Despite it having a wider entrance, the BMW’s boot is actually slightly narrower than the Mercedes’, and there’s a bigger lip at the entrance to lift luggage over.
Mercedes-AMG E63 S
Official boot capacity 540 litres Suitcase capacity 8
The Mercedes has more rear knee room and shoulder room than the BMW. Split-folding rear seats are fitted as standard, unlike in the BMW. With them at, the Mercedes has the larger opening through to its extended load bay.
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