Mercedes-AMG S63 vs Renault Megane

What's the difference?

Both of these vast vehicles are phenomenally comfortable - this is the kind of car that Mercedes does so well, and has done for decades. The S Class is rarely a disappointment but it's difficult to believe that such a big, heavy GT car can also dance the way the S63 does.

The S560 is far more weighted to being a GT - supremely comfortable with that active suspension, a growly, refined V8 and a cabin full of gadgets and comfort. The S63 is altogether more aggressive, to look at and to drive. Lopping the roof off both of them adds weight but, like any cruiser, also puts you out in the sun, the breeze and into your surroundings. Plus, in the case of the S63, you get more exhaust noise.

They're two very different cars and not just because of the engine. After all these years admiring it from afar, the S63 has delivered on my teenage expectations - fast, smooth and utterly mad.

If the Renault Megane RS Trophy is your dream car let me say this: there’s no overarching reason that I’d say you shouldn’t go ahead and buy it. 

But with so much amazing competition in this part of the market, it’s hard to put it ahead of its rivals. And it’s going to be even harder for it to stay high on the contenders list as more new metal arrives in the coming years.

The S Class Coupe is obviously related to the sedan but manages a svelte appearance. Slimmer hipped and with a more Coke-bottle shape, the Coupe - if you squint a bit - has a bit of the classic old pagoda about it. Obviously you can't do pillars that slim anymore, but the glass roof takes away some of the visual weight inside and out. 

The cabriolet's roof is nicely integrated and looks good when it's  up, which isn't always the case.

They all look long, though. It's obvious to see why the cars all run on 20-inch wheels - anything smaller would look hilarious.

The cabin is a fairly sensible re-imagining of the E-Class. The big twin-screen layout of the dash and multimedia system seems a bit more at home here. The chintzy Burmester speakers in the doors let down an otherwise classy cabin, which steers clear of otiose vulgarity in looks and materials.

The Megane RS Trophy’s dimensions don’t really communicate just how chunky it really is. At 4364mm long on a 2670mm wheelbase, 1875mm wide and 1435mm tall, it is pretty conventional in terms of size for the segment.

But it packs a lot of style into that size. I for one love those broad hipped wheel-arches, the signature LED headlights and chequered flag lighting signature at the bottom of the bumper, and the bright, eye-catching colours available really just ram the message home that this isn’t your average Megane.

I could happily leave behind the red flecks on the wheels, which look a bit too blingy and not quite ‘lightweight racing-spec’ to me. But they obviously appeal to a certain buyer - maybe someone who wants a bit more drive-by flair, as opposed to track-day talking points.

The Trophy model builds upon the Cup variant, using the same chassis and hardware under the skin, and therefore running the brand’s 4Control four-wheel steering and a mechanical Torsen limited slip diff. More on that in the driving section below.

Exterior design and styling are one thing - but you probably spend more time sitting inside your car than just admiring it from a distance. How does the interior of the RS Trophy stack up? Check out the interior images to make up your own mind.

Well look, if you end up in the back of the S Coupe, it's not a riot of space. Obviously it has back seats (the SL doesn't even squeeze a jump seat into its considerable length) but they're for occasional, if luxurious, use.

The boot is a reasonably decent 400 litres, obviously the cabriolet loses a few litres with the roof folded. Front and rear passengers will both enjoy a pair of cupholders and the whopping long doors will each hold a bottle.

The Megane RS Trophy’s cabin carries over some of the design cues from the exterior. It looks and feels like a hot hatch should.

There’s a lovely part-Nappa leather, part-Alcantara steering wheel with paddle shifters and a ‘centre line’ marker - but some may lament the lack of a flat-bottom to the wheel, which is a current trend in the “trust me I’m actually very sporty” breed of cars.

The manually adjustable seats are very supportive though they are a bit firm, so those wishing for ultimate comfort over long distance trips might be left wanting. But there is good adjustment to the seats, and they’re heated, too.

There are some nice elements to the cabin including soft plastics on the dashboard, but the lower plastics - below the eye-line - are quite hard and not very pleasant. However, the inclusion of ambient lighting does distract from that, and add a bit of flair to the cabin.

The portrait-style media screen is fine most of the time, though it does take some learning. The menus aren’t as intuitive as you might hope, with a mix of on-screen buttons and off-screen touchpad-style controls that can be difficult to hit when you’re driving. We also had a couple of instances of glitching while using Apple CarPlay and Android Auto smartphone mirroring.

Storage is okay. There are shallow cupholders between the seats, a covered centre console bin, as well as a storage section in front of the gear selector that’s big enough for a wallet and phone, and bottle holders in the doors. 

In the rear seat there’s enough space for someone my size (182cm) to sit behind their own driving position, albeit with limited knee room and toe room. Headroom is good, and there are dual ISOFIX child-seat anchor points and three top-tethers for baby seats.

You’ll find a pair of small door pockets, two map pockets, and rear-seat directional air vents, which is nice. There’s a flip-down arm-rest with cupholders, too, and unlike some other high-price hatches with ambient lighting up front, the Megane gets LED light strips on its rear doors, too. 

The boot space is good in the Megane RS Trophy, with luggage capacity claimed at a healthy 434 litres. On test, the car fit all three CarsGuide suitcases (124L, 95L and 36L) with room to spare. Speaking of spare (ahem), there isn’t one: it comes with a repair kit and tyre pressure monitoring, but no spare wheel of any kind. 

The Renault Megane RS Trophy has a list price of $52,990 for the six-speed manual, or $55,900 for the six-speed dual-clutch auto model, as tested here. Those costs are RRP/MSRP, and don't include on-roads. 

Standard equipment for this range-topping ‘regular’ RS model includes 19-inch ‘Jerez’ alloy wheels with Bridgestone Potenza S001 tyres, an active valve exhaust system, Brembo brakes, LED headlights with LED daytime running lights, rear fog lights, front/rear/side parking sensors, semi-autonomous parking system, reversing camera, auto locking, smart key card and push-button start, and steering column-mounted paddle shifters.

There’s also auto headlights, auto wipers, dual zone climate control, an auto dimming rearview mirror, heated front seats with manual adjustment, a nine-speaker Bose sound system with subwoofer and amplifier, an 8.7-inch touchscreen media system with aux port, 2x USB ports, Bluetooth phone and audio, Apple CarPlay and Android Auto, sat nav, the brand’s RS Monitor track timing software, and a 7.0-inch TFT colour screen for the driver with configurable modes and digital speedo.

You can find a run down of the safety tech and equipment fitted in the safety section below.

Options available include an electric sunroof ($1990), and there is also the choice of a few metallic paint colours: Diamond Black and Pearl White metallic are both $800, while the Signature Metallic Paint colours - Liquid Yellow and Orange Tonic as you see here - are $1000. Only Glacier White will cost you no extra. 

Wondering where it sits among its closest rivals? If you’re thinking about a Ford Focus ST (from $44,690 - manual or auto), Hyundai i30 N (from $41,400 - manual only), the outgoing VW Golf GTI (from $46,690 - auto only), or the mighty Honda Civic Type R (from $51,990 - manual only) the Megane RS Trophy is expensive. Only the VW Golf R Final Edition ($57,990 - auto only) is dearer… unless you’re thinking of comparing to the likes of a Mercedes-AMG A35 ($69,300).

All four coupes and cabriolets ship with Daimler's formidable 4.0-litre twin-turbo V8. The S560 scores 345kW/700Nm to drive the rear wheels through Benz's own nine-speed automatic. With all of that available, the S560 will crack the ton in 4.6 seconds and make a wonderful racket on the way.

Moving on to the S63, the same engine delivers a massive 450kW/900Nm. The run from 0-100km/h is dispatched in just 3.5 seconds and if I thought the S560 made a good noise, the S63 with its standard sports exhaust makes a better one. Again, Mercedes' nine-speeder is along for the ride.

Engine specs matter if you’re talking about performance hatchbacks, and the Megane RS Trophy is no exception.

It has a 1.8-litre four-cylinder turbo-petrol engine that punches hard for its size, with 221kW of power (at 6000rpm) and 420Nm of torque (at 3200rpm). That’s for the six-speed dual-clutch automatic transmission, as was fitted to our test car. If you buy the six-speed manual, you miss out on a bit of grunt - it has 400Nm (at 3200rpm) and the same peak power.

In auto spec the RS Trophy “300” offers higher figure vs the Sport and Cup “280” models (205kW/390Nm), and more engine performance per litre of capacity than the Focus ST (2.3-litre: 206kW/420Nm), Golf GTI (2.0-litre: 180kW/370Nm; TCR 2.0-litre: 213kW/400Nm), and even the Golf R (2.0-litre: 213kW/380Nm). 

All Megane RS models are front-wheel drive (FWD/2WD) and no Megane RS is all-wheel drive (AWD). The Trophy and Cup models both get 4Control four-wheel steering, which is an interesting aspect of the drive experience. More on that below. 

There are multiple drive modes to choose from, including Comfort, Neutral, Sport, Race and the configurable Perso mode. These can alter engine, transmission, throttle, traction control, exhaust noise, fake engine sound and steering sharpness - but not suspension, because the dampers aren’t adaptive units. 

The lower-powered 560 drinks 98RON at the rate of 8.5L/100km for the coupe and 9.9L/100km for the heavier cabriolet.

The S63 ups the ante with 9.9L/100km for the coupe and an identical 9.9L/100km for the cab.

Our launch program contained some...er...spirited driving, which would explain the mid to high-teens fuel figures.

The claimed official combined fuel consumption for the Megane RS Trophy is 8.0 litres per 100 kilometres. That’s for the EDC auto model as tested. The manual is said to use 8.3L/100km.

You might achieve that if you drive gently, though over my testing - which incorporated hundreds of kilometres of highway and country road driving, as well as a few spirited stints and some urban snarls - I saw a return of 10.8L/100km at the pump.

The Megane RS requires 98RON premium unleaded, and the fuel tank capacity is 50 litres. 

Let's start with the S560. That smooth V8 rumble is all you'll ever hear if you just slot into drive and go for a leisurely spin. The nine-speed automatic continues to be a revelation to me - in the GLC63 it's good and here, once again, it's excellent, finding the right gear for the occasion and riding the fat torque curve. Other nine-speed autos are not very good at all.

The test route for the S560 played to the strengths of the car. It had some lovely winding roads, which brought the trick suspension into focus - the Magic Body Control with curve function is hilarious. While the active suspension works hard at all times to ensure the ride is smooth and drama free, the Curve mode (no, really) actually leans the car into corners.

Those of you who remember the video game Wipeout 2097 will be big fans of Curve mode. As you approach a corner, you turn the wheel and then the car leans into the bend. This isn't active damping reading the road, it's the outside suspension lifting the car and the inside lowering it, so the car feels like it's gliding, like a hovercar. It's wild but oddly calming. Mercedes reckons it's great for those who get car sick. As I didn't have my wife on hand to test this theory - she chucks at the first sign of a corner - I couldn't verify this claim. That will have to wait.

The S63 AMG is a completely different proposition. The air suspension is more than up to the job of helping smother the effects of the car's considerable weight, meaning that no matter what you're up to, the car feels reasonably light on its feet. It never feels small, though, commanding the respect of the driver and plenty of space from other road users.

And boy, do you need some space if you kick the S63 into Sport mode. In true AMG style, the electronic reins relax and the big luxury coupe cheerfully kicks off. The tail will wriggle under an unsympathetic right foot, that signature V8 roar, crackle and hiss filling your ears. The S63 is always the harder-feeling car, but it delivers with a more sporting drive than the S560.

Being the generous soul I am, I volunteered to return the S63 to its home for the evening rather than consign it to the back of a truck. On the back roads I took to reach the highway, it was rock solid - fast, predictable and a lot of fun. Once I found the boring straight bits, it turned into a supremely comfortable cruiser, ticking along in ninth at the legal limit (and being Melbourne, it was very much the legal limit), dispatching overtaking with barely a flex of a toe. 

The active cruise took the stress of keeping away from the State Revenue Office's clutches while being quiet and utterly pleasant.

The Megane RS Trophy has the ingredients to be an all-time legendary hot hatch, but they don’t work together well enough for it to be a truly great car to drive.

That is, they don’t work together on public roads. I didn’t get a chance to sample the RS Trophy at the track, and I’m sure that may well alter some of my opinions. But this was a review focused around everyday driving first and foremost, because - unless you’ve got quite a fleet of cars - you’ll be spending a lot of time in mundane motoring in your Megane RS, too.

Other hot hatches in the segment manage to combine big power and torque with immense traction and steering prowess. The Megane RS used to, as well.

But this new version seemingly has some issues harnessing the grunt, and the 4Control four-wheel steering system simply isn’t as rewarding as it should be.

I had several instances where the traction on slippery surfaces was lacking, while even in the dry I noticed distinct torque steer and the Bridgestone tyres struggled to cope under hard acceleration. That’s despite the fact the Trophy gets a mechanical LSD.  

Further, that four-wheel steering actually makes it pretty hard to judge the behaviour of the car at times, with an artificial feel to it that just doesn’t do it justice. There will be some who say that the four-wheel steering - which can angle in the rear tyres to help you pivot in corners more adeptly - is excellent. But I’m not one of them. I really found it hard to predict this car’s behaviour. I never really gelled with it.

At the very least there’s a non-interventional lane keeping assist system, which emits a pulsing sound through the speakers rather than actively vibrating or adjusting the steering. 

The ride is unapologetic in its firmness – although, if you’re across the history of RS Megane models, that is to be expected for a Trophy chassis. It can be tiring on longer road trips especially if the surface isn’t great.

While it is extremely fast in a straight line - 0-100km/h is claimed at just 5.7 seconds - it wasn’t as quick through corners as I was expecting it might be, and that comes down to its four-wheel steering mostly, along with a lack of usable traction at times. It simply isn’t as connected to the road as the previous RSs have been. 

It was also a bit laggy then lurchy at lower speeds when taking off from a standstill, such is the nature of the dual-clutch in stop-start situations. 

To put it bluntly, I didn’t enjoy this car anywhere near as much as I thought I might. It just isn’t as pure a driving machine as I’ve come to expect from the RS brand. Perhaps I should aim to try it on a track!

The Renault Megane has not been awarded an ANCAP crash test rating, but the regular (non-RS) model scored five stars against EuroNCAP criteria back in 2015.

The RS Trophy (manual or automatic) comes fitted with adaptive cruise control with speed limiter, auto emergency braking (AEB) at speeds between 30km/h and 140km/h, blind spot monitoring, lane departure warning with audio alert, reversing camera, surround parking sensors and semi-autonomous parking.

Missing is rear cross-traffic alert, front cross-traffic alert, rear AEB, pedestrian detection and cyclist detection. 

Mercedes offers a three-year/unlimited-kilometre warranty with roadside assist for the duration.

The company also offers both service plans (where you pay up-front as part of the vehicle purchase) and capped-price servicing on the coupes. Servicing over three years is in the order $2500.

The Renault Megane RS range is covered by a five-year/unlimited kilometre warranty, which adds some peace of mind for owners.

Further, the service intervals are generous, at 12 months/20,000km - though the brand states the Megane RS is actually “subject to adaptive servicing requirements” as the oil condition sensor may trigger a service check requirement prior to the standard intervals.

Unlike other Renault models with a five-year capped price servicing plan, the Megane RS is only covered for three years/60,000km. The service costs for the EDC dual-clutch auto models are higher than the manual versions, due to replacement transmission oil being needed (adding $400 to the first service). 

The costs for the first three services are: $799 (12 months/20,000km); $299 (24 months/40,000km); $399 (36 months/60,000km). Consumables beyond those service intervals include: every 24 months or 20,000km - air filter replacement ($49) and pollen filter replacement ($63); every 48 months or 60,000km - accessory belt replacement ($306). Spark plugs are included at no cost, due every 36 months/60,000km.

The car is backed for up to four years of roadside assistance when serviced within the Renault dealership/service network.