Mercedes-Benz S-Class vs Hyundai Santa Fe

What's the difference?

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.

So I asked at the beginning if the Hyundai Santa Fe FWD petrol offered enough for families looking for a large seven-seat SUV and the answer is: YES!

It's practical, has people-mover space and storage and is downright comfortable to drive. There's so much to like here.

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.

It's boxy and bold and you certainly won't mistake it for anything else on the road. That's both good and bad.

The front works beautifully; pairing a chunky and square aesthetic with cool H-shaped LED headlights (a running motif throughout the car). The front and sides look like the chiseled face of a Greek hero or the latest Romantasy crush, but the rear is just awkward. It's essentially just a big blank body panel and the only interesting thing about the back are the H-shaped tail lights.

Head inside and the interior is exactly the same as the base FWD hybrid variant - you get an interesting black and grey tartan fabric upholstery across the seats, and enough soft touchpoints scattered throughout to stop you looking too hard at the heavy use of plastics.

The dashboard shares similar chunky proportions with the exterior and you can see lots of H shapes in the air vents and panelling, so it flows pretty well inside.

The highlight is 100 per cent the large curved panel on the dash that houses the dual 12.3-inch displays. They look high-end and instantly lift the cabin from feeling 'basic'.

Joinery is flush, nothing rattles and there's an overwhelming sense of high-build quality inside. It's a cabin you'll be able to spend a lot of time in.

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.

I've said it before but I'll say it again. The cabin offers similar, if not the same, level of practicality of a people mover with passenger space and storage solutions.

In fact, Hyundai may have shot their other three-row SUV, the Palisade, in the foot here because I'm not sure why you'd now bother forking out an extra $13,800 on the base Elite grade over out test model. Not when each row will be comfortable for an adult and feature decent amenities.

With seats that don't sit too high and a 177mm ground clearance, the Santa Fe is an easy SUV to get in and out of, even for kids.

The front- and middle-row seats are the most comfortable when it comes to padding and under-thigh support. The powered drivers seat also offers adjustable lumbar support on top of the heat functions that both front seats get.

Storage is top-notch with lots of cubbies to choose from up front with dual gloveboxes, one that can fit a manual and one that will hold smaller items like a wallet, wet wipes etc.

The middle console is huge and has a removable shelf but is also shared with the middle row as the bottom pulls out into a storage drawer for them. This means you can cut out the middle man (AKA the parent) and have a handy place to put any roadie snacks.

The centre console features two phone cradles and a large shelf underneath that easily holds a handbag or Saturday night's takeaway.

There are a total of 12 cupholders (2/6/4) and four drink holders (one in each door storage bin) plus a sunglasses holder and map pockets on the back of the front seats. So, definitely spoiled for choice when it comes to individual storage.

The technology is easy to use and high-quality with display screens that feature crisp graphics and a responsive multimedia touchscreen. The system features wireless phone mirroring for Apple CarPlay and Android Auto, as well as Bluetooth connectivity.

Charging options are good throughout the car with six USB-C ports (2/2/2), and a 12-volt socket and wireless charging pad up front.

Rounding out the cabin is the large boot which offers 642L when the third row is stowed, and up to 1963L when just the front seats are in use.

The loading space is level but you still get a handy under-floor compartment for small items. And the full-size spare tyre and powered tailgate are always practical to have!

The Hyundai Santa Fe is offered in three grades, with the base- and mid-spec options now having the option of having a turbo-petrol engine or a self-charging hybrid powertrain.

Our test model is the front-wheel-drive base-petrol grade, which is priced from $53,000 before on-road costs. That makes it the most affordable variant in the Santa Fe line-up, being $2500 more affordable than the base FWD hybrid model.

This positions it in between its three-row large SUV rivals, the Kia Sorento S ($50,680) and even larger Nissan Pathfinder ST-L ($60,220). But the Sorento is still offered with a choice between V6 petrol engine and a four-cylinder turbo-diesel engine, which will entice some.

Our test model is incredibly well-equipped for a base variant and includes features like heated front seats, a powered driver's seat (with adjustable lumbar support), rear privacy glass and LED external lights.

There are great practical items like a full-size spare wheel, a powered tailgate, keyless entry/start, a 360-degree camera system, dual-zone climate control and tyre pressure monitoring.

Technology is also a standout with dual 12.3-inch displays taking centre stage, FM/AM and digital radio, wireless Apple CarPlay/ Android Auto, Hyundai 'Bluelink' app, over-the-air updates, Bluetooth connectivity, a wireless charging pad, six USB-C ports and two 12-volt sockets.

Bluelink connected car services brings features like ‘Automatic Collision Notification’ an emergency call (SOS) function, geo-fencing, valet, speed and time alerts and more.

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.

Our Santa Fe is the front-wheel-drive base variant, which features an eight-speed dual-clutch auto transmission and a 2.5-litre four-cylinder turbo-petrol engine that produces up to 206kW of power and 422Nm of torque.

Our model has a braked towing capacity of 2000kg, which is up from its hybrid siblings which can only tow up to 1650kg.

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.

The base petrol Santa Fe has an official combined fuel cycle usage of 9.3L/100km and 67L fuel tank, giving it a theoretical driving range of 740km, which isn’t as good as its hybrid siblings but still sufficient for the odd road trip.

After doing lots of open-roading this week and a good three days of city dwelling, my real-world usage has popped out at 8.7L/100km, which is a solid result for such a large SUV.

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 petrol engine definitely has more pep to it than the hybrid variants I've sampled. The power is responsive and you still feel like there’s heaps leftover when you have to overtake or get up a hill without any annoying engine whines.

The steering isn’t too heavy, despite the size of this car but turning off the lane-keeping aid will keep the on-road experience feeling smooth. Otherwise, you sort of ping-pong in your lane as the aid readjusts strongly.

All Santa Fes feel way more nimble than they have any right to in corners. You do get some roll, but our test model is sure-footed, even in heavy wet weather. 

The eight-speed dual-clutch auto transmission is smooth enough and you don’t get any annoying lags when you accelerate from a full stop, which is unusual for such a unit.

Ride comfort is pretty high as well, with suspension that feels forgiving over the worst of the bumps and a cabin that remains quiet, even at higher speeds. 

You have really great visibility in this model because of how big the windows are and the taller driving position helps as well. None of the pillars hindered my vision either from my driving position.

The Santa Fe well and truly fills out a car space and it was easy to see it in a car park because the butt hangs out a bit, but it’s still easy to park with its very clear 360-degree camera system and parking sensors at the front, side and rear. So while it is big, it doesn't feel big to park.

Overall, the petrol Santa Fe is an simple SUV to drive and will be a forgiving choice for lots of different driving styles.

All hybrid Hyundai Santa Fe variants are covered by a maximum five-star ANCAP safety rating from testing done in 2024, but the petrol variants are not, so our test model is currently unrated. It does feature 10 airbags, though, which is excellent for a family SUV and the curtain airbags extend to the third row.

The standard safety equipment includes blind-spot monitoring, LED daytime running lights, driver attention alert, leading vehicle departure alert, safe exit assist, rear occupant alert (first two rows only), rear collision warning, forward collision warning, rear cross-traffic alert, lane departure alert and a lane-keeping aid.

There's also lane following assist, traffic sign recognition, an intelligent seatbelt warning (first two rows only), adaptive cruise control (with start/stop), the 360-degree camera system and front, side, and rear parking sensors.

It's also nice to see the blind-spot monitor on the base model, which is a system that pops a video feed of your blind spot onto your dashboard.

However, some of the safety features, like the driver attention monitor and traffic sign recognition, can be intrusive to daily driving. If you could permanently disable the sound alert, it would be a lot more enjoyable to drive long term.

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.

The Santa Fe comes with a five-year/unlimited-kilometre warranty, which isn’t as good as some of its rivals, especially with Nissan now offering a 10-year warranty on its models, albeit conditional.

The pre-paid servicing plans are competitive, though, and the five-year plan averages just $481 per service.

Servicing intervals could get a bit annoying if you do a lot of kays every year as they're at every 12 months or 10,000km, whichever occurs first.

The Santa Fe petrol is a simple gal and enjoys 91RON unleaded petrol and is even E10 suitable.