Jaguar XF Sportbrake vs Merc CLS Shooting Brake

So, the Jag XF Sportbrake and Merc CLS Shooting Brake. An interesting pair. Not the biggest estates, certainly - the Merc arguably not an estate at all - but aren't they just cars you want? That you'd consider, even if you didn't need an estate?

That may sound perverse, buying a car with features you might not use, but don't try telling me that everyone who buys an SUV takes it off-road (the SUV question is an interesting one in relation to these cars, something we'll come on to at the end). Conclusion: we don't buy cars purely to fit our needs.