Start driving and you soon realise that the Coupé feels rather different to the regular GLC. Where that strikes a good balance between ride quality and body control, the Coupé is troubled by rough surfaces far more. In Comfort mode, there’s too much float and wallow over crests and compressions, while bumps and potholes still send a thump through the car.
Sport mode sorts out the body control, but you’ll feel poor surfaces even more. Body roll is at least well contained although the stiffer springing means you get jostled around in your seat by mid-corner bumps. Switch up to Sport Plus mode and things get very bumpy indeed, we suspect you’d need a track to take advantage of the added roll stiffness.
We’d be prepared to accept that if there was some fun to be had, but sadly it’s all very competent and not that much of a giggle. Yes, you can cover ground very quickly for such a big thing, but the steering proves lifeless and the variable rack suddenly speeds up with a bit of lock on.
When you get back on the power, there’s none of the playfulness you get in a Porsche Macan and the stability control is always present. The best you can hope for is a neutral balance, but understeer is never too far away.
The motor certainly has plenty of grunt, though. There’s decent torque from low down yet it’s happy to rev out if you want to enjoy its six-cylinder rasp. Stick it in Sport Plus mode and you even get some pops and crackles from the exhaust.
Inside, the interior looks great and all the controls are easy to find. The infotainment system is a little trickier to use than Audi’s MMI or BMW’s iDrive, but we still prefer it to a touchscreen. As for the back, space is predictably not quite as good, thanks to the sloping roof.