Zeekr 7X vs Mercedes-Benz S-Class

What's the difference?

The first thing that comes to mind in summing up the Zeekr 7X Performance is value. So much standard equipment for the money, stunning acceleration, top-shelf safety and a solid ownership package. It’s also practical, comfortable and the design inside and out is sleek. This electric SUV has thrown down a hefty gauntlet in challenging its existing opposition and there’s no doubt if you’re in this part of the market you should take a close look.

Mercedes-Benz set out to restore the S-Class' place amongst the greatest sedans in the world.

In the heavily-optioned, near-$250K-plus S450 as well as the extended S450L at $300K as tested (the sweet spot of the range for now), we reckon the Germans have succeeded, pushing safety, comfort and technology boundaries, in a package that is true to the heritage of the series.

Tax-fuelled sky-high prices will certainly keep the S-Class niche in Australia, but the car is more than good enough to dominate its tiny corner of the upper-large luxury car sphere.

The best new car in the world? We reckon it's highly likely. Mission accomplished, Mercedes.

The 7X was developed at the Zeekr Design and Technology centre in Gothenburg, Sweden and arguably its most distinctive design element is the full-width band across the nose with standard LED headlights and DRL strip below. 

They’d be matrix units if we were in China and the black band would house Zeekr’s ‘Stargate’ panel capable of displaying words and digital animations. But ANCAP crash-test requirements put the kybosh on that for Australia and it’s been replaced by the black cover. But there’s still room to play with animations on the lights that remain, including musical accompaniment through internal and external speakers. 

Other than that, the car’s overall shape and proportions have a touch of Porsche Macan about them with a bulging mid-section and racy 21-inch rims filling the wheel arches.

There’s a slim, tail-light bar across the rear, a concealed wiper and an integrated spoiler on the top of the tailgate contributing to a smooth, clean look. No surprise, drag co-efficient is a slippery 0.25.

Inside, the fuss-free theme continues with a multi-layered dash design dominated by the 16-inch central media screen, compact digital instrument display and split-level centre console. And we’ll get to interacting with it all shortly.

Admirable restraint has been exercised in the simple surfacing and choice of trim materials with enough decoration to add visual interest.

Most Mercedes models have followed the Russian Doll-style cookie-cutter styling theme, and the heavy family look continues with the W223.

Still, the flush door handles do add a touch of Tesla-esque modernity, while the elegant silhouette and clean lines are in keeping with the luxury aspirations. Larger in every dimension compared to the old W222, the S450 is some 71mm-longer in wheelbase (3106mm) than before while the LWB's has stretched out by 51mm (3216mm), benefiting proportions as well as interior packaging.

AMG-branded wheels look sporty but – in the S450 at least – they're perhaps a tad too gangster. A set of flush alloys would give it a more-modern and techier appearance, in our opinion.

Overall, however, the S-Class ‘7' possesses the prerequisite richness of design. It isn't as bold and mould-breaking as models like the W116 were back in their day, but the styling is still a success.

By the way, the latest S-Class is the first Mercedes to employ the MRA2 longitudinal platform, which is rich in lightweight steels (50 per cent aluminium), is correspondingly stronger than before but also 60kg lighter.

With a drag co-efficiency rating as low as 0.22Cd on some overseas grades, the W223 is one of the most aerodynamic production vehicles in history.

So, before even getting in the car it’s worth talking about this Performance grade’s auto-opening doors.

The physical door handles are still present but inoperative (except in an emergency), so it’s a press of a button on the B-pillar, or a swipe card if you prefer, and open sesame. 

There’s ‘pinch protection’ for the windows on all side doors and impact avoidance which means it will stop short of denting your neighbour at the car park.

After a week of press-button experience I could easily live without this functionality but my significant other loved it. So, personal preference reigns supreme.

At close to 4.8 metres long, a touch over 1.9m wide and around 1.7m tall (with a 2900mm wheelbase) the 7X is a ‘large’ medium SUV and the interior reflects its generous external dimensions. 

There’s plenty of breathing space and a bright open feel thanks in part to the standard panoramic glass roof with power-sliding shade.

In the front, in terms of practicality, there’s a large, deep bin between the seats with a lid that opens from the left and right, another section with two swing-out cupholders and a roll-top lid, plus a big area in the lower console plus generous door bins. And there are handy flip-top boxes in the door armrests.

Worth noting on our test example, opening and closing the sliding cover over the cupholder section generated a groaning noise like oversize nails scraping down a blackboard, which didn’t exactly fit the premium vibe.

The glove box is opened with a button on the dash, which feels overly complicated. But then, in terms of power and connectivity there are twin 50W device charging bays and two USB-C sockets in the lower console.

In a big win for parents loading small kids into car seats, the rear doors open to 90 degrees. Then for storage, you’ve got map pockets on the front seat backs, decent door bins, two cup or bottle holders and a lidded box in the pull-down centre armrest, a small oddments tray at the back of the centre console and a pair of drawers under the seat.

And in the back, in terms of space, sitting behind the driver’s seat set for my 183cm position, I’ve got ample headroom, legroom and more than enough foot room. 

There are power window shades, individual ventilation outlets in the B-pillars to manage the climate control for the rear section as well as one USB-A and a USB-C socket in the armrest box.

And then, there’s the Occupant Monitoring System, a camera view of the rear seat which instantly does away with the awkward 180-degree parental head turn from the front seats. A small camera in the B-pillar is activated by a dash-mounted button for a wide-angle, picture-in-picture video image on the main media screen. 

And don’t worry, if you’re in the back and don’t appreciate the attention, a simple sliding cover over the lens can block the shot. 

With the 60/40 split-folding rear seat upright the 7X boasts 539 litres (VDA) of boot space, which is pretty handy, and that number expands to a hefty 1978L with the back seat down. 

There’s a load-through hatch, tie-down anchors, multiple bag hooks, specific lighting, a 12-volt socket and two storage compartments under the floor. The height of the power tailgate is adjustable but there’s no hands-free function.

Braked trailer towing capacity is 2.0 tonnes (750kg unbraked) and it’s worth noting vehicle-to-load functionality (using a specific discharge cable in the main charge port) is onboard.

But there’s no spare tyre of any description, with a repair/inflator kit your only option, which in this market isn’t good enough.

For the beginning of our day with the S-Class, we were chauffeured from home to a mansion in Kew, a blue-chip Melbourne suburb. Our heavily-optioned S450L featured most of the aforementioned extras – including the Business Class Package and Rear Entertainment Package – and the experience was predictably, sumptuously memorable.

Reclining individual rear seats with easy-reach tablets, armrests offering access to all multimedia and available climatised and massaging cushions and backrests... we're no longer in our normal ride, Toto.

Yet, all these trinkets and gizmos are mere add-ons, that can turn a stretched Caprice into a flash hen's night carriage if enough money and glitz is thrown at it.

No, the new S-Class must impress in an altogether less tangible and more philosophical manner, involving all the senses, and not just what we see, hear and touch. It must appeal beyond the superficial. Otherwise, it is not a large Mercedes-Benz luxury sedan in the classic manner.

This is a Herculean task for the Stuttgart designers and engineers. By and large, though, the Three-Pointed Star has succeeded in achieving something special.

In its perception of peerless quality and engineering, the W223 is striving to move forward and look back simultaneously to the glory days of the seminal W126 (1980-1991). This is through meshing traditional virtues like solidity and quality materials while dazzling its passengers with technology that is still friendly enough to want to enhance your experience.

You can sink into the soft lounge seats, watch the world pass by silently outside and never be aware of the road underneath or the engine ahead. Double glazing, exquisite and aromatic fabrics and materials and lush tactile surfaces work their magic inside the car, while an airtight and aero body, solid platform, air suspension and a muted yet muscular powertrain all do their thing underneath. The atmosphere is special and rarefied. That's what an S-Class needs to be and that's what is happening in our $299,000 (as tested) S450L.

The same more-or-less applies up front, as the same trim, leather, wood and technology surrounds the driver and passenger. The spectre of the car that is surely The Car of the Last Decade – Tesla's Model S – is evident in the portrait touchscreen and sparse, almost wallflower dashboard design and layout. No big imposing architectures here.

Yet, while the American upstart actually takes stuff away, the S-Class packs the cabin with subtle features that – like when the planes stopped flying last year and the birdsong subsequently returned – only become obvious once the cabin's design simplicity clears all the white noise for you to be in a better frame of mind to enjoy them.   

Take the haptic interface, for example, as it is perhaps the best we've experienced; the sense of well-being garnered from the cumulative effects of profound seat comfort (the massaging function was never switched off), cocooning micro climate environmental control, orchestral levels of audio entertainment and the theatre of light and vision performed by the two available screens; it is an automotive experience like no other. And the eye-tracking 3D-effect navigation set within the electronic instrumentation. No need for cinematic glasses to get the effect. The driving position itself, by the way, is also first class.

Room to stretch and grow for sure, and in every direction. But room for improvement? You betcha.

Your tester had a headache after a little while staring at that woozy 3D map. The central vents – four at the front, two in the rear – look and feel cheap, leaving us mentally redesigning them; they are frightfully out of place here; the carryover column-stalk auto lever should have been binned in 2005. And, even though the digital instruments have a number of options, none are elegant enough for the S-Class. That's an especially subjective criticism, clearly, but one that – in the context of classic Mercedes luxury sedan contenders – is justified given how timeless the Bruno Sacco era of Daimler design was. Look him up, kids.

Still, after a couple of hours behind the wheel, with our senses reset to calm, it is obvious that the S-Class cabin is a unique and wonderful place – as it should be at a cool quarter-of-a-million dollars.

Job done.

PS At 550 litres (20L more than before), the boot is massive and luxurious enough to sleep in.

Right now, only two S-Class models are available – the S450 from $240,700 plus on-road costs and the 110mm extended-wheelbase S450L (LWB) for another $24,900 on top. Most buyers overwhelmingly opt for the latter.

Despite what the numbers may suggest, both are powered by a 3.0-litre in-line six-cylinder turbo petrol engine, delivering 270kW of power and 500Nm of torque to all four wheels via a nine-speed torque-converter automatic. Greater choices are coming later, including an all-electric version known as the EQS.

Almost every conceivable safety item is standard on the S-Class, including world-first rear-seat airbags located behind the front seats in the LWB model, taking the surround-airbag count to 10.

You'll also find route-based Speed Adaptation (adhering to the posted speed limits), Evasive Steering Assist (a sophisticated form of crash mitigation), adaptive cruise control with active stop/go, Active Lane Change Assist that automatically moves the car into the lane you indicate to), Mercedes' PreSafe crash-preparation tech that primes all the safety systems for impact, electronic stability program that encapsulates all the active driver-assist tech, Active Emergency Stop Assist, Autonomous Emergency Braking front and rear (including for cyclists and pedestrians), Traffic Sign Assist, Parking Package with Active Parking Assist and 360-degree camera and tyre pressure monitors.

On the equipment front there is the latest iteration of Mercedes' MBUX multimedia system with (another) world-first 3D display, complementing an OLED central display, powered closing doors, leather upholstery, air suspension, leather upholstery, velour floor mats, a multi-beam LED headlight system with adaptive high beams, heated and folding exterior mirrors, heat and noise-insulating acoustic glass for front side windows, dark privacy glass for rear windows, sunroof, roller sunblinds for rear windows, metallic paint and 20-inch AMG alloy wheels on runflat tyres.

Want cutting-edge multimedia? There's MBUX II's augmented reality for navigation and fingerprint scanner, as well as a more natural-speech Mercedes-Me Connect voice activation with global search.

Plus, predictive navigation with live traffic, parked vehicle locator, vehicle tracking, emergency call, maintenance management and tele-diagnostics, digital radio, Burmester 3D surround-sound system with 15 speakers and 710W amplifier, remote door locking/unlocking, geofencing, speed-fencing, valet parking, head-up display, Smart Phone integration with Apple CarPlay/Android Auto, wireless charging, ambient lighting, two-zone climate control, poplar wood trim, electric adjustment for front seats, steering column with memory function, climatised front seats, keyless entry/go with flush-fitting door handles offering hands-free access (including for the electric boot),

Besides the ‘forward facing' airbag for the rear-seat occupants, the S450L also scores electrically adjustable rear seats with memory and automatic rear climate control.

Key options – and the list is massive – include an $8700 Rear Entertainment Package, that brings rear-multimedia access, rear tablets with wireless headsets and rear-seat wireless smart phone charging, an AMG Line pack with a body kit, different alloys and larger front brakes ($6500), Business Class Package that includes aircraft-style reclining rear seating and tray tables ($14,500), Nappa leather ($5000), augmented-reality HUD ($2900), 21-inch wheels ($2000) and four-wheel steering ($2700). There's also a $14,500 Energising Package with contoured seating, heated-everything and massaging seats.

Please keep in mind our test cars featured many such extras. Tick all the boxes and you can add nearly $100,000 to the price of your S-Class.

So, is the S450 good value? Given some of the breakthrough safety and luxury features it offers, it is unique. Too bad the Federal Government's Luxury Car Tax makes them so much more expensive than they need to be.

The Zeekr 7X Performance is powered by dual electric motors, asynchronous magnet on the front axle and permanent magnet at the rear. Combined power is 475kW with peak torque at a grunty 710Nm.

That amount of muscle is up there at the top of the category with the likes of the MG IM6 Performance (572kW/802Nm), Tesla Model Y Performance (461kW/741Nm) and even the track-ready Hyundai Ioniq 5 N (448kW/740Nm).

Where are the V8s?

Right now, the only W223 you can buy is powered by an all-new 2999cc 3.0-litre in-line direct-injection six-cylinder turbo petrol engine dubbed the M256, complete with double overhead cams, an electric compressor intercooler and assistance from a 48-volt mild hybrid system and integrated starter-generator, adding 16kW and 250Nm to the 270kW of power at 6100rpm and 500Nm of torque from 1600-4500rpm.

The 9G-Tronic torque-converter automatic transmission and 4Matic all-wheel drive system combination is a first for the S-Class in Australia.

Top speed is limited to 250km/h, while the 0-100km/h sprint-time takes just 5.1 seconds in both models. Impressive for a two-tonne-plus luxury limo.

The 7X boasts an 800V electrical architecture which means it has 420kW charging capability and even though the max public charging output currently available here is 350kW, at that level you can expect the 100kW NMC battery to charge from 10 to 80 per cent in around 13 minutes. AC charging is a handy 22kW for 10-100 per cent charging in four hours.

Claimed (WLTP) range is 543km and on test we saw average energy use of 18.8kWh/100km, which is in the middle of Zeekr’s claim of 17.7-19.9kWh/100km for the combined (urban/extra-urban) cycle and more than acceptable for an EV of this size and weight.

With the aid of the mild-hybrid system, the S450 returned a combined average of an impressive 8.2 litres per 100km, which translates to 187 grams of carbon dioxide emissions per kilometre. 95 RON premium unleaded (or higher) is recommended. In the urban run it consumes 11.3L/100km (11.5 for S450L), and just 6.4L/100km (6.5 for S450L) in the extra-urban result.

At 76 litres, the fuel tank will allow a combined average range of about 927km between refills.

So, even at around 2.5 tonnes, with all that power and torque under your right foot, the 7X Performance can rocket from 0-100km/h in a supercar-like 3.8 seconds. It is properly quick.

Suspension is by double wishbones at the front and a five-link set-up at the rear and the hefty body is well-controlled in the main, although you can feel modest lateral movement on quick changes of direction. 

The ‘Continuous Control’ air suspension has three settings - Comfort / Standard / Sport - with a distinct difference between them.

In Comfort, small bumps and ruts still make their presence felt, but overall ride compliance is impressive. Hot tip is to avoid the Sport mode unless you’re determined to press on through your favourite set of corners, or (implausibly) line up for a track day.

The 7X rides on Zeekr’s ‘SEA’ (Sustainable Experience Architecture) platform which features an integrated alloy diecast rear section which seemingly makes a ‘solid’ contribution to overall refinement and noise reduction.

Speaking of which, wind noise is close to imperceptible even at freeway speeds, helped in no small part by the car’s slippery drag coefficient.

The accurate speed-sensitive steering delivers good road feel, which isn’t always the case with larger EVs, and the big 21-inch (265/40) Continental EcoContact 7 tyres are pleasingly quiet while gripping with reassuring determination.

Braking is by ventilated discs all around with chunky four-piston calipers up front. There are two levels of regenerative braking and a ‘single-pedal’ setting, although the latter is best treated as a third regen level because it seems reluctant to bring the car to a full stop quickly enough, even in slow-moving traffic.

Important to mention crash-avoidance safety aids like lane-keeping assist and driver fatigue monitoring don’t intrude unduly. There are subtle occasional vibrations through the steering wheel and only when necessary. 

You’ve also got a 360-degree overhead view and a good quality reversing camera, both of which are super-handy when manoeuvring. Or if you want some real assistance ‘Automatic Park Assist’ will help you slot the car into the space you’re aiming for, as well.

Ergonomically speaking, while there’s a physical control for audio volume something like exterior mirror adjustment for example is via the combination of a screen slider and a steering wheel control which is fussy. That said, progression through screens and functions for media and car settings is logical and quick thanks in part to a grunty Qualcomm Snapdragon chip platform.

Under the heading of miscellaneous observations, an 11.6m turning circle is useful for a car of this size, the mega audio system cranks (with the driver’s headrest speaker a highlight) and the adaptive cruise works well, picking up acceleration rapidly when pulling out to overtake a slower-moving car in front.

In former times, as the Germans say, a ‘450' on the boot indicated V8 power. In the W116 S-Class era it was one of the world's most evocative badges when ‘SEL' was also attached.

As mentioned earlier, though, it's the M256 3.0-litre turbo-petrol with a 48-volt ‘mild hybrid' electrical system that's doing the driving, to all four wheels. The real V8 W223 will probably surface later this year or in early 2022 with the S580L flagship. Bring it on.

This is not to say that S450 isn't good enough. With that electrified assistance, the blown straight six is smooth and swift off the line and rapid as the auto seamlessly steps up through all nine gears. Because it's so hushed and refined, it doesn't feel 5.1s to 100 clicks quick, but watching the speedo says otherwise – acceleration is assertive and strong right up way past the legal speed limit.

All that's missing is the burbling soundtrack of a classic Benz bent-eight. Oh well. Outstanding economy is a price we're literally willing to pay in lieu.

Even more impressive is the S450's ability to hustle along mountain roads like an overgrown sports sedan.

Now, for Australia, all S-Classes are fitted standard with an adaptive ‘Airmatic' air-suspension set-up, including air springs and self-levelling tech. In Comfort up to 60km/h, the ride height can be raised by 30mm, or lowered by 10mm under the standard 130mm baseline in Sport at any velocity, while in Sport+ it falls another 17mm.

With that in mind, yes, the standard air suspension performs a magnificent job smothering out most surface imperfections around town. Yet its real other party trick is to tighten up the chassis when corners get interesting and Sport mode is selected. Aided by progressively weighted and reassuringly responsive steering, the Mercedes tips into turns with precision and poise, slicing through with virtually no discernible body lean or understeer.

Now, we're not talking a leisurely drive on rural highways here, but Healesville's famous Chum Creek Road, where even a Porsche Cayman would feel like it's had a strenuous dynamic workout. The S-Class can be hurried along with confidence and finesse, displaying outstanding handling and roadholding for a 5.2-metre long limo. And the fact that the ride quality only suffers marginally when the red horns are out is all the more remarkable.

Back in the cut-and-thrust of inner-city peak-hour traffic, the Benz in Comfort mode continued to reveal its driver-orientated yet passenger-focused twin-personalities, zipping in and out of gaps while remaining comfy and composed inside.

Only when parking in tight spots are you truly aware that the W223 is longer than a Mazda CX-9. The optional four-wheel-steering system is claimed to slash the turning circle to A-Class hatchback levels. 10.9 metres is the claim.

The 2021 S-Class never ceases to amaze and delight.

The W223 S-Class has not been crash-tested yet by ANCAP or European affiliate EuroNCAP, so does not have a star rating. However, Mercedes-Benz claims it has striven to create one of the safety vehicles on the planet. Who are we to argue?

Almost every conceivable safety item is standard on the S-Class, including world-first rear-seat airbags located behind the front seats in the LWB model, taking the surround-airbag count to 10.

You'll also find route-based Speed Adaptation (adhering to the posted speed limits), Evasive Steering Assist (a sophisticated form of crash mitigation), adaptive cruise control with active stop/go, Active Lane Change Assist that automatically moves the car into the lane you indicate to), Mercedes' PreSafe crash-preparation tech that primes all the safety systems for impact, electronic stability program that encapsulates all the active driver-assist tech, Active Emergency Stop Assist, Autonomous Emergency Braking front and rear (including for cyclists and pedestrians, at speeds from 7km/h to over 200km/h), Traffic Sign Assist, Parking Package with Active Parking Assist and 360-degree camera and tyre pressure monitors.

The Active Lane Keeping Assist works in a speed range of between 60km/h and 250km/h while Active Steer Assist helps the driver follow the lane at speeds of up to 210km/h.

The 7X Performance is covered by Zeekr’s five-year/unlimited km warranty, with eight-year/160,000km cover for the drive battery, neither of which are exceptional for the category. But there’s also five-year corrosion and paintwork warranty cover, with roadside assist included for the same period.

Recommended maintenance interval is two years/40,000km with optional health checks in between. Stick to the basic schedule and you’re looking at $1755 over the first five years.

Go for the complimentary first year service plus two other optional health checks and the figure is $2385, or an average of $477 per workshop visit over the same five years. Far from over the top for an EV in this part of the market.

The Zeekr dealer footprint currently takes in multiple sites in Brisbane, Melbourne and Sydney with additional locations in Canberra and Perth as well as The Sunshine Coast and Geelong, for a total of 14.

Some are currently ‘pop-ups’ with the intention to transition them to permanent status, with all dealers able to facilitate servicing (on site or at a separate location).

Unlike many luxury brands that persist with a sub-par three-year warranty, Mercedes-Benz offers a five-year/unlimited kilometre warranty.

Intervals are every year or 25,000km, with a capped price service plan starting at $800 for the first year, $1200 for the second year and $1400 for the third year, totalling $3400. Alternatively, there is a Service Plan starting at $2700 for the first three years (saving $700 from the normal capped-price service plan), $3600 for four years and $5400 for five years.