Mercedes-Benz CLS-Class vs Hyundai Elexio

What's the difference?

Comfortable when it needs to be and sporty when you want it to be, the CLS 53 is a bit like Mercedes’ Doctor Jekyll and Mr Hyde – or maybe Bruce Banner and the Hulk is a better frame of reference for some.

While it doesn’t excel in any one particular area, its breadth of useability is commendable, but ultimately it might be its all-too-familiar aesthetics that is the biggest letdown.

From the inside, it looks and feels like any other large Mercedes model (not necessarily a criticism), while the exterior – in my opinion – doesn’t go far enough to differentiate it from the CLA.

After all, if you wanted a stylish and sporty sedan, shouldn’t feel special too?

The Elexio doesn't really push any boundaries in terms of its exterior design, its powertrain, or its battery. It doesn't drive itself. It doesn't look like a spaceship. And apart from some interior quirks, it's all pretty familiar in the way it goes about its business.

And I think maybe that's the point. Maybe that's what people are really looking for. Because Hyundai says this will be its best-selling EV in the country. And on our short test, we can't find too many reasons to disagree.

Note: CarsGuide attended this event as a guest of the manufacturer, with accommodation and meals provided.

Note: The author, Andrew Chesterton, is a co-owner of Smart As Media, a content agency and media distribution service with a number of automotive brands among its clients. When producing content for CarsGuide, he does so in accordance with the CarsGuide Editorial Guidelines and Code of Ethics, and the views and opinions expressed in this article are solely those of the author.

Mercedes’ homogenised design is a bit of a double-edged sword, and while the CLS does wear its styling confidently, it probably looks a little too much like the cheaper and much smaller CLA for our tastes.

Both are swoopy four-door coupes from Mercedes-Benz, so of course there will be some similarities, but keen-eyed car spotters will notice some differences.

While the proportions are similar, the longer wheelbase and bonnet line gives the CLS a more mature look, and the extra details found in the head- and tail-lights, and front bumper stand it apart.

The changes to the 2022 version also brings in AMG’s 'Panamericana' front grille, which adds a bit of welcome aggression to the front end.

From the side, the steeply raked roof flows seamlessly into the rear, while the 20-inch wheels fill out the arches well.

All four doors are also frameless, which is always cool to see.

From the rear, quad-exhaust tips hint at the CLS’s sporty intentions, while a prominent rear diffuser and subtle boot lid spoiler also feature.

Inside, the biggest change to the CLS is now the inclusion of the MBUX multimedia system, which keeps it in line with the E-Class, C-Class and other Mercedes models.

AMG sports seats are also fitted, wrapped in Nappa leather and 'Dinamica' fabric upholstery for all pews.

Our test car also came fitted with red contrast stitching and seat belts, adding a racy streak to the CLS cabin.

Have to point out the new steering wheel that comes with the 2022 CLS, though, which mirrors the tiller offered in the new E-Class, and is a step back in terms of functionality.

It looks premium enough thanks to its chunky leather-wrapped rim and gloss black dual-spoke design, but using the buttons, especially when on the move, is difficult and unergonomic.

This design is definitely function over form, and might need a few more revisions to get it right.

Overall, we’d say the CLS is a good-looking car, but does play it a bit too safe with its styling?

I don't want to sound boring, but the thing I really like about the Elexio exterior package is there's nothing too challenging about it. Some of the Hyundai Ioniq cars can be a bit more polarising (and, in the case of the Ioniq 6, a lot more polarising) but there's none of that going on here.

It feels very clean, fairly timeless and like it's going to age pretty well. In short, it looks like a familiar family SUV with only really the full-width light bar, the cubed headlights and a bit of an architectural flourish at the rear three-quarter – which actually reminds me a bit of the Kia EV5 – giving it a more modern edge.

The wheels are 20 inches, there are only a handful of fairly predictable colours and it all just feels really familiar. But, as I mentioned, things do get a bit more out-there in the cabin.

Let's start with the good. I really like the fit and finish. It all feels very high quality and the materials used are lovely, including the velvet-like fabric in the door panels. I also like the square-edged steering wheel.

But the not so good? Now, the central screen looks great, but it controls everything – and I do mean everything. Apart from the steering-wheel controls, I couldn't locate a single physical button in the cabin.

Measuring 4994mm long, 1896mm wide, 1425mm tall and with a 2939mm wheelbase, the CLS slots neatly between the E-Class and S-Class in size and positioning.

Up front, occupants are afforded ample room for head, legs and shoulders, while the electronically adjustable seats make it easy to find a comfortable position.

The steering wheel also features a telescoping function – an always appreciated feature – and the expansive glasshouse makes things feel open and airy.

Storage options include a deep door pocket, a cubby found under the armrest, two cupholders and a smartphone tray with wireless charging capabilities.

It’s a different story in the second row, though, as the sloping roofline does noticeably eat away at headroom.

Don’t get me wrong, a six-foot-tall (183cm) adult can still slide in there fine, but the roof is dangerously close to the touching the top of the head.

Leg- and shoulder-room is pretty good in the outboard seats though, while the middle position is compromised by the intrusive transmission tunnel.

In the second row, passengers have access to a bottle holder in the door, a fold-down armrest with cupholders, backseat map pockets and two air vents.

Opening the boot reveals a cavity offering 490 litres of volume, with an aperture wide enough to fit golf clubs or luggage for a weekend getaway for four adults.

The rear seats also fold in a 40/20/40 split fashion, but Mercedes-Benz is yet to detail how much volume is on offer with the rear seats down. And as a traditional sedan, the CLS is less practical than the liftback Audi S7.

At just over 4.6m long, just under 1.9m wide, and just under 1.7m tall, the Elexio fits snuggly between the smaller Kona Electric and Bigger Ioniq 5 among Hyundai's electric family. In family vehicle terms, it's marginally shorter than the brand's petrol and hybrid-powered Tucson.

But owing to the magic of EVs and their flat floors, the Elexio feels massively spacious in the backseat. I'm 175cm, and had no trouble getting comfortable behind my own driving position, with plenty of leg and headroom. 

Tech is pretty strong, too. There are twin wireless charging pads up front, a total five USB-C ports, and a household style plug (which car companies call Vehicle to Load) located in the boot.

There's storage in the doors and centre console, including a storage drawer, and cupholders up front and in the pulldown divider that deploys over the middle seat in the back.

But the weirdest thing is the driver screen, which is the only straight-ahead access the driver has to things like speed or navigation directions. It's a very cool 3D-effect display, but it utterly disappears if you're wearing polarised sunglasses. 

That's actually pretty common with all head-up displays, but they usually are projected above a traditional driver's binnacle. In the Elexio, it's the disappearing screen or nothing.

To be fair, the central screen also displays speed and crucial information, but I hate having to turn my head to look at it. It's my least-favourite thing about Teslas, and if you're wearing polarised sunglasses, the Elexio ends up feeling a lot like that.

I do love that there is an actual control to select Drive, Reverse or Park, and I adore the addition of a physical stop/start button, too.

There's also an auto-opening boot which reveals a 506-litre space with the rear seats in place, and 1540 litres with the 60/40 split rear seats folded flat. Keep in mind there's no spare tyre taking up space, though. You'll be leaning on the repair kit should you get a flat.

The Elexio arrives with just the one grade for now, the Elite, and the pricing is a bit weird. It lists at $61,990, but is actually being offered for significantly less than that at launch, with a special $59,990 drive-away deal in place until around the end of March.

There is a cheaper Elexio grade coming sometime in quarter two this year, and it will be $58,990. But I reckon you can expect a sharp drive-away deal there, too, at least at launch.

How does that stack up? I think we have to go on permanent pricing, rather than any special offers, and that puts the Elexio above its main rivals in the BYD Sealion 7 ($54,990 for the Premium), the Tesla Model Y ($58,900 for the Premium Rear-Wheel Drive) and the Xpeng G6 ($54,800 for the Standard Range). Though the cheaper Elexio variant will help to narrow that gap.

There are significantly cheaper electric SUVs that fall into the mid-size category, too. Like the Geely EX5 and Leapmotor C10, both of which are less than $50k on the road.

Anyway, for now the Elite arrives with 20-inch alloys, cube-style LED projector lights, an auto-opening boot and Hyundai’s Digital Key, which allows you and up to 14 other people to use their phone as the key.

Inside, there’s leather seating that’s powered for driver and passenger and heated and ventilated up front. There’s also dual-zone climate, twin wireless charging pads and a household-style power point to power your devices.

Where it gets really interesting, though, is with its cabin tech, which is seriously bleeding edge. The entire dash, from in front of the passenger to pretty much the edge of the steering wheel, is dominated by a 27-inch screen that actually gives the passenger more real estate than the driver.

It's impressive stuff, with high-res games for the passenger to play (including the super-sharp Space Invaders), but there's also wireless Apple CarPlay and Android Auto, twin wireless charging pads, and a relatively small head-up display (only located within the binnacle) for the driver.

Powering the Mercedes-AMG CLS 53 is a 3.0-litre turbocharged inline six-cylinder engine, punching out 320kW/520Nm to all four wheels via a nine-speed automatic transmission and Merc's '4Matic+' AWD system.

A 48-volt mild-hybrid system, known as 'EQ Boost', is also fitted that serves up to 16kW/250Nm from take-off.

The result is a 0-100km/h acceleration time of 4.5 seconds, keeping it on pace with the likes of the 331kW/600Nm Audi S7 (4.6s) and 390kW/750Nm 250kW/500Nm BMW 840i Gran Coupe (5.2s).

While not as brutish as AMG’s eight-cylinder engine, the straight six strikes a great balance between pace and poise that perfectly suits a model like the CLS 53.

There’s just the one powertrain on offer here — with a front-mounted electric motor, so front-wheel drive, that produces 160kW and 310Nm. That makes the Elexio feel spritely enough, but it’s no rocket ship.

Official fuel consumption numbers for the CLS 53 are pegged at 9.2 litres per 100km, while we managed an average of 12.0L/100km in our launch drive.

All of our driving was relegated to country back roads and high-trafficked urban areas however, with no consistent freeway driving.

We’ll reserve judgement on how accurate the fuel economy figures are until after we’ve had the car for longer, but the EQ Boost system is designed to help keep consumption down by being able to coast the engine in particular situations.

Delivering the driving power is an 88.1kWh LFP battery, which Hyundai says equates to a WLTP driving range of 546kms.

The Elexio’s E-GMP platform is a 400-volt architecture, which does limit DC fast charging to around 120kW – the Ioniq 5, for example, will charge in excess of 230kW. 

Hyundai says you’ll go from 10 to 80 per cent in around 38 minutes plugged into our fastest chargers. AC home charging is capped at 10kW.

There are certain expectations on a vehicle when it wears a Mercedes badge, namely it should be comfortable to drive while also dripping with the latest tech. And here the large four-door coupe delivers in spades.

Driving the car is smooth, easy and comfortable when in its default drive setting, you can really sink into the CLS and just eat up the miles in comfort.

There are small niggles, like the 20-inch wheels and low-profile tyres (245/35 front and 275/30 rear) throw up a bit too much road noise into the cabin, but for the most part, around town, the CLS is serene, supple and supremely soothing.

However, switch it over to Sport or Sport+ and the steering gets a bit heavier, the throttle response a bit sharper, and the suspension a bit stiffer.

Does it transform the CLS into a sports car? Not quite, but it certainly dials up driving engagement to a level where you can really have some fun.

Though this isn’t a full-fat AMG in the same vein as an E63 S and doesn’t feature the ubiquitous 4.0-litre twin-turbo V8, the CLS 53’s 3.0-litre six-cylinder engine is still plenty potent.

Coming away off the line feels particularly brisk, likely due to the EQ Boost system adding a bit of poke, and even flat-footing it mid-corner delivers a noticeable surge of urgency from the creamy straight six.

However, the best of the CLS 53 experience, in my opinion, is actually the sound, with the exhaust letting off the right sort of pops and crackles in Sport+ mode on overrun.

It’s rude and obnoxious, but also completely surprising coming from the motoring equivalent of a three-piece dress suit – and I love it!

The brakes are also up to task for scrubbing speed, but our relatively brief time with the car was in extremely wet conditions, so the 4Matic+ AWD system was hugely appreciated.

Ok, let's skip to the good part quickly. I really like the way the Elexio drives. Honestly, Hyundai (and, to be fair, Kia, Porsche, Polestar, Tesla, some German brands and Leapmotor with the new B10, amongst others I'm surely forgetting) are restoring my faith in how an EV can feel from behind the wheel.

It turns out they don't have to feel soft and saggy and come with a light sense of seasickness as standard. They can be engaging, connect you to the car and to the road below, and attack corners with some athleticism, too. 

And so it is with the Elexio, which – to be fair – has a spec sheet that reads a bit like a bedtime story, such is the lack of excitement in the numbers. A two-tonne-plus, front-wheel-drive family SUV that produces less power than a Toyota Camry doesn't exactly quicken the pulse.

And it's true that the flat-footed acceleration on offer won't knock your cap off (though it feels perfectly perky enough to get you up and moving). But the numbers don't tell the whole story here.

A sports car this ain't, but its driving nature perfectly suits the ethos of the car. The ride can feel a little harsh at times, but irons out most road imperfections to the point that you notice them, but they're not uncomfortable.

The steering is direct without being overly aggressive –though I prefer the sportiest setting with the heavier feel – and the body roll is minimal, too.

In fact, you can push the Elexio harder than you might think along twister roads, with plenty of confidence-inspiring stability and without too much complaint from the tyres. Because there's not a huge amount of power underfoot, and this is going to sound absolutely crazy, but it gave me (much-heavier) Mazda MX-5 vibes, in the sense that you can really feel like you're driving it without feeling like you're going to get yourself in too much trouble.

There’s a long list of safety stuff aboard the Elexio, including nine airbags and just about every active safety system you can imagine.

They seem better tuned than some of Hyundai's competitors too, without being too overzealous. That said, overspeed warnings remain an auto industry scourge.

Particularly clever is a system Hyundai calls 'Forward Collision-avoidance Assist 2', which shows just how far modern AEB (or autonomous emergency braking) systems have come. 

Once, and not so long ago, a vehicle could automatically apply the brakes if it sensed a collision ahead. Hyundai's system, though, not only works in both directions, but also detects pedestrians and cyclists as well as cars, and works when you're pulling out of a junction and it detects fast-moving oncoming traffic. It also detects traffic coming in either direction when you're travelling straight through an intersection, and when you're changing lanes.

The Hyundai Elexio wears a full five-star ANCAP safety rating, though one stamped 'tested in 2024'. The data was actually taken from the crash-test result of the related Kia EV5.

Like all new Mercedes-Benz models sold in 2021, the CLS 53 comes with a five-year/unlimited kilometre warranty with roadside assist over that period.

This outclasses the assurance period offered by BMW, Porsche and Audi (three-year/unlimited kilometre), and matches that available from Jaguar, Genesis and Lexus, who recently upgraded their offering.

Scheduled service intervals are every 12 months or 25,000km, whichever occurs first.

The first three planned services will set buyers back $3150, broken down as $700, $1100 and $1350 apiece.

The Elexio is covered by Hyundai’s new seven-year, unlimited-kilometre warranty, provided you service with Hyundai. If you don’t, then it's five years of coverage.

Service intervals are a pretty luxurious 24 months or 30,000kms, and Hyundai’s service plans will see you paying $779 at the two-year mark, and another $1118 at the four-year mark, which puts your annual cost at around $475.

I'd say that's about average, with the happily extended service intervals counterbalanced by slightly higher servicing costs than you might find with some competitors.