Mercedes-Benz CLS-Class vs Zeekr 7X

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?

Not the most comprehensive of tests, I'm afraid. But early signs are good for the Zeekr 7X, which ticks plenty of on-paper boxes, looks sleek and fresh and feels sorted from behind the wheel.

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

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?

It’s a sleek-looking SUV, the 7X, and is nowhere near as boundary-pushing as its stablemate sibling, the Polestar 4, which rides on the same platform. For one, the Zeekr has a rear windscreen.

Zeekr calls it 'hidden energy' design language, which I take to mean, at least partly, that you can’t immediately tell what’s powering it. It could pass as an internal-combustion car, a hybrid, PHEV or EV; at least until you look closely.

There are light bars front and back, but sadly we miss out on what the brand calls its 'Light Curtain' - a pixel-filled bar of light that spans the entire front end. Apparently it fell victim to the ANCAP crash-test requirements and has been replaced by a black cover.

Even without it, I dig the 7X’s athletic stance. It looks good in the metal, especially finished in deep green paint.

Inside, it’s a pretty plush-feeling cabin, without being revolutionary, and the big central screen and digital dash are bright and clear. The addition of a camera to monitor back seat passengers without having to turn around is a clever touch, too.

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.

The 7X stretches 4787mm in length, 1930mm in width, 1650mm in height and rides on a 2900mm wheelbase.

As is pretty typical of electric SUVs, interior space is great, especially for backseat riders. I'm 175cm and have heaps of knee and headroom behind the driver's seat set to my position.

Storage space is good, too, with a deep bin between the front seats, a pull-down divider in the back row and pull-out draws beneath the back seat which mean you can hide laptops or valuables when you lock the car.

One key quirk, though, is the location of the USB charge ports in the back, which are accessed through the pulldown seat divider. It means that, should there be three passengers in the back, you won't be charging any devices.

The boot is 539 litres of flat, wide space – though that number grows when you drop the 60/40 split-folding back row. Rear-drive models also get a 62-litre 'frunk'.

There are three ways into the 7X, with two rear-drive models and one AWD Performance completing the trilogy.

That story begins with the 7X Rear-Drive, which gets the smallest battery and lists at $57,900, before on-road costs. Next is the Long-Range at $63,900, which is also a rear-drive model but nabs a bigger battery and a longer driving range.

Finally, the Performance is $72,900, and is the only twin-motor model. It scores the same 100kWh battery as the Long Range, but significantly ups the performance, which in turn dramatically lowers the zero to 100km/h time.

Standard kit is pretty impressive across the board, with the entry-level model scoring 19-inch alloys, LED lighting all around, a powered tailgate, a glass roof (with powered shade) and ambient interior lighting.

Tech is handled buy a 16-inch central touchscreen with Apple CarPlay and Android Auto and there are two 50W wireless charge pads. You also get a digital dash, tri-zone climate and a 10-speaker stereo.

The Long Range model adds a better 21-speaker stereo and a head-up display, while the flagship Performance gets trick auto-opening and closing doors (you just push a button in the pillar to open and step on the brake to close), as well as genuine Nappa leather trim, 21-inch alloys and very good adaptive air suspension.

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.

The two rear-drive ZX models share the same rear motor producing 310kW and 440Nm. Not stratospheric numbers but the powertrain delivers plenty of useable, real-world grunt, with both variants reporting a zero to 100km/h time of 6.0 seconds.

The AWD Performance model really ups the grunt, though, adding a second electric motor at the front axle lifting total outputs to 475kW and 710Nm and dropping the 0-100km/h run to a crazy-brisk 3.8 seconds. It’s also the only model to ride on the very good adaptive air suspension as standard.

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.

The cheapest 7X variant scores a 75kWh LFP battery, while the Long Range and Performance nab a 100kWh NCM unit. All have an 800V electronic architecture, allowing for mega charging speeds of up to 450kW DC charging (actually 420kW on the 100kW battery).

Now, I don’t think we have chargers capable of pushing that much juice in Australia, but even using our 350kW chargers Zeekr promises you’ll go from 10 to 80 percent charged in 16 minutes or less. AC charging is up to 22kW, too.

In terms of driving range, you can expect 480km in the rear-drive, 615km in the Long Range and 543km in the Performance, all on the WLTP cycle.

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.

The 7X is very much the vehicle Zeekr has been waiting for in Australia, so expectation weighs heavy on its metallic shoulders. Happily, and not to spoil the ending, it largely lives up to those expectations with our taste test revealing an electric SUV that shines in most areas.

Our drive experience took place at one of Australia’s longest and fastest race circuits, The Bend outside Adelaide. And not in the AWD Performance version, but in the less-powerful Long Range model. Not exactly the natural environment of a circa 2.5-tonne electric SUV, then.

And while the rear-drive Zeekr is no out-and-out performance car, the 310kW and 440Nm served up from that rear-axle motor is plenty to get the 7X up and moving, with the power arriving in a steady and unbroken stream that saw us pretty easily push to 200km/h on one of the track’s lengthier straights.

I’d argue that’s more than enough grunt to satisfy most, if not all, Zeekr owners without them having to dig deep for the Performance model. But there’s no escaping the fact this is a heavy vehicle, and one inspired by efficiency, not the red mist of racing.

So, things start to drop away a bit when the lesser 7X is really pushed, with an off-putting kind of buffeting movement at speed and sometimes spongey-feeling dynamics a reminder that this is a vehicle more at home on public roads.

The AWD Performance, however, sharpens things up considerably, helped by its adaptive air suspension and all-paw grip. It feels far tighter, grippier and more composed through corners. Sadly, by the time I jumped in, my lead-footed colleagues had drained the battery to the point where I could only accelerate at 50 per cent capacity, which made the AWD slower on the straights than then RWD model, but it made up plenty of lost ground in the way it corners.

All of this is, of course, is likely to be of little relevance to any 7X customers, who are more likely to find themselves on the moon than they are the main straight of a race track, and so my opinion hasn’t changed — the AWD is faster and more technically advanced, but when you boil it down to the actual life a mid-size electric SUV will live, I think the smart money is on the Long Range AWD model.

Side note: We also did some pretty serious off-roading (again, something no owner is likely to do) in the AWD model, and I can report that the softest suspension, steering and accelerator settings add a cosseting comfort to the drive experience on rough roads, and that there is some genuine of-road capability on board.

How it drives on actual roads? For that, you’ll have to wait just a little longer. But early signs are good for Zeekr’s most important model.

The 7X wears a maximum five-star Euro NCAP assessment and I want to point out a pretty wild feature. Standard across all trims is a high-def camera in the B-pillar aimed at the rear seats. You can cover it, if you’d like, but the idea is that anyone up front can hit a button near the central screen that will pull up a high-def feed of what’s happening in the back seat. So, no more having to turn around to see what the kids are up to in the back seat.

Happily, all 7X models get the same safety suite, which includes a 360-degree camera, autonomous parking and 15 ADAS functions.

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 Zeekr 7X is covered by a five-year, unlimited-kilometre warranty, while the battery is covered for eight years or 160,000km. There’s five years' roadside assistance thrown in, too.

Servicing is recommended every two years or 40,000km, with what the brand describes as optional health checks in years one, three and five (the first one's on the house).

Go for all the services, including the optional ones, and you’re looking at $2415 over the first five years. Skip the optional ones, and it’s more like $1755.