Mercedes-Benz GLC-Class vs LDV D90

What's the difference?

Like I said right from the start, this new, hybrid version of the AMG GLC63 is technically superior to the model it replaces in every meaningful way. It is faster, more powerful and more fuel efficient and therefore a better performance SUV than the model it replaces.

Is it a better model than the one it replaces? Ultimately that will come down to how much stock you put into the soundtrack and your feelings on an AMG not powered by a V8 engine.

Because if you can see past that, then the AMG GLC63 is an absolutely fantastic performance SUV. Not only does the new powertrain make it faster in a straight line, but the chassis is very well-balanced, making for an engaging driving experience.

For those who can look past the smaller engine they will be rewarded with an incredibly fast and rewarding-to-drive member of the AMG family.

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

Looking for a cheap, powerful diesel SUV with huge cabin space and a humane third row for adults? The D90 is a really sound offering, especially considering the price of entry for this top-spec diesel which should resonate with Aussies a bit better than the petrol version.

It has plenty of issues that could be ironed out, but they’re all so small and not sale-breaking it’s almost annoying how much better the D90 could be with just a little work. Rivals should be looking over their shoulder for what comes next.

The GLC63 is unmistakably an AMG from the moment you first lay eyes on it. That’s thanks to the AMG-specific elements, starting with the grille with vertical strikes and the AMG crest on the bonnet; which is now a signature item for the performance sub-brand.

The GLC63 is also fitted with the Night Package II design kit; this adds a darkened grille and black chrome badging to further enhance its visual appeal.

The AMG-specific alloy wheels and more aggressive stance do mean the GLC63 stands out from the rest of the GLC range, helping it look fast even when it’s standing still.

Some colleagues I’ve spoken to like the way the D90 looks. To me, it looks like someone gene-spliced a Hyundai Tucson with a SsangYong Rexton in a lab, then grew it in a stew of peptides and this was the result.

What can’t really be communicated in images is how truly massive the D90 is. At over five metres long, two metres wide and almost two metres tall, the D90 is certifiably huge. Given that’s the case then, it’s admittedly almost admirable that only the side profile makes this thing look a little goofy.

I think LDV has done a pretty good job on the front, and the rear is simple but well resolved for a vehicle that rides on a ladder chassis (just take a look at the Pajero Sport for how ladder-chassis rear designs can get… controversial…).

The wheels, garnishes, and LED headlights are all tastefully applied. It’s not ugly… just confronting… size-wise.

Inside shares some familiar characteristics with sister-brand MG. Look from a distance and it’s all quite nice, get in too close and you’ll see where the corners have been cut.

The first thing I don’t like about the interior is the materials. Apart from the wheel they are all pretty cheap and nasty. It’s a sea of hollow plastics and mixed trims. The faux-wood pattern, which is clearly just a print on a plastic resin is particularly gnarly. Reminds me of some Japanese cars from 20 years ago. It might work for the Chinese audience, but that’s not where the market is in Australia.

On the other hand, you could say “well, what do you expect at this price?” and that is true. Everything is here and works, just don’t expect the D90 to be playing alongside the established players when it comes to fit, finish, or material quality.

The huge screen works to finish the dash, but that darned software is so ugly you’ll wish it didn’t. At least all the major touch-points are ergonomically accessible.

Inside the GLC63 is clearly a derivative of the rest of the range, with its C-Class-inspired design and layout, but there’s enough AMG-specific elements to ensure it looks and feels special. This starts with the AMG steering wheel, which comes not only with a thick rim wrapped in Alcantara, but also some AMG special dials to adjust the various performance settings for the powertrain, suspension and transmission.

Then there are the AMG-specific seats, which look good and offer good support for the driver and front seat passenger. The rear seats offer decent space for what is a mid-size SUV, with room enough for two adults or teenagers or three smaller kids.

Those in the back aren’t particularly well looked after though, with only rear air-con vents and small door pockets but no USB charging ports or other small item storage.

The boot is 590 litres, down from 620L in the rest of the range, thanks to the addition of the rear-mounted electric motor. There’s also no room for the temporary spare the rest of the GLC range gets and instead you have to make do with a puncture repair kit.

The D90 is as massive on the inside as it is on the outside. I’m talking better space than a minivan, and nothing says that more than the humane third row. At 182cm tall, I not only fit in the rearmost two seats, but I can do so in as much comfort as any other row. It’s staggering. There’s actual airspace for my knees and head back there.

The second row is massive and on rails too, so you can extend the amount of room available to third-rowers – and there’s so much room in the second row, you’ll have space even with the seats moved forward.

My only criticism here is that the giant rear door is far enough forward to make clambering into the third row a little tricky. Once you’re there though there are really no complaints.

The boot is even usable with the third row deployed, with a claimed 343L of space. That should be hatchback-sized, but the measurement is a little deceptive as the space is tall but shallow, meaning it will only allow you to place smaller bags (a few, if you can stack them) with the remaining space.

The boot is otherwise cavernous with a wild 1350L available with the third row stowed flat, or 2382L with the second row stowed. In this configuration, with the front passenger seat slid forward to its furthest position, I was even able to get a 2.4-metre-long benchtop in the back. Truly impressive.

Without buying an actual commercial van then, this could be the cheapest way into such room, especially in a 4x4 bi-turbo diesel SUV. No arguing with that.

Second-row occupants get their own climate control module, USB ports and even a full-sized household power outlet, with more legroom than you could possibly need. My only complaint was that the seat trim seemed a little flat and cheap.

Front occupants get large cupholders in the centre console, a deep armrest box (with no connectivity in it, just a randomly placed DPF cycle switch), pockets in the doors, and an awkward binnacle under the climate controls that houses the single available USB port. My phone didn’t fit in there.

No complaints about leg and headroom in the front either, though, with plenty of adjustability to boot. The driver’s seat offers a commanding view of the road, although it can be a little unsettling to be so far off the ground in corners… more on that in the driving section.

On paper, the seven-seat D90 is immediately quite appealing. At $47,990, it is literally a lot of car for the money. This latest iteration, the bi-turbo diesel, is only available in Executive trim at this price, but you can pinch pennies further by choosing one of the lesser petrol turbo variants.

Regardless, and much like its MG sister brand, LDV is good at making sure that essential spec boxes are ticked.

This includes screens galore as is popular in the Chinese market, including a massive 12-inch multimedia screen and 8.0-inch digital dash.

A screen is only as good as the software that runs on it though, and let me tell you, the D90’s software is not good. A quick flick through the weirdly small menu reveals barebones functionality, terrible resolution and response time, as well as possibly the worst execution of Apple CarPlay I’ve ever seen.

I mean, it doesn’t even use all of that screen real estate! Not only that, but in a recent overhaul to CarPlay, Apple released software to utilise wider displays – so the car’s own software must simply be incapable of supporting it. Inputs also proved laggy, and I had to repeat myself on multiple occasions to get any use out of Siri. Unlike every other car I’ve used, the software in the D90 wouldn’t return to the radio after you hang up or stop talking to Siri. Frustrating.

I’d rather have a far smaller display that actually worked well. The semi-digital dash was functional, although barely did anything that a small dot-matrix display isn’t capable of and had one screen which for my entire week said ‘loading’. I’m still not sure what it was meant to do…

At least it supports Apple CarPlay at all, which is more than could have been said for segment hero, the Toyota LandCruiser.

The D90 does tick some necessary items that are quite good. LED headlights are standard, as are leather seats with eight-way power adjust for the driver, a heated multi-function steering wheel, 19-inch alloy wheels (which still somehow look small on this huge thing), three-zone climate control, eight-speaker audio system, electric tailgate, keyless entry with push-start ignition, a reversing camera, front and rear parking sensors, tyre-pressure monitoring, as well as a fairly substantial safety suite which we’ll explore later in this review.

Great on paper then, the bi-turbo diesel engine is a boon, as is the fact that the D90 rides on a ladder chassis with an electronically-controlled low-range terrain mode for the transmission, too.

You’d expect to pay more – even from Korean and Japanese rivals for this much specification. No matter which way you cut it, the D90 is good value.

This is what lies at the heart of the AMG GLC63’s success or failure. As I mentioned at the beginning, the previous generation’s 4.0-litre twin-turbo V8 has been replaced by an F1-inspired plug-in hybrid powertrain.

But don’t think that means AMG is suddenly focused on efficiency over performance. When AMG says the powertrain is inspired by the brand’s success in Formula 1 racing, what it means is the battery and electric motor provides a significant performance boost to support the internal combustion engine, not just save fuel.

To that end the combination of the turbocharged 2.0-litre four-cylinder petrol engine and the rear-mounted electric motor produces an impressive 500kW and 1020Nm. That’s a massive jump over the 375kW/700Nm made by the outgoing V8.

The D90 was initially offered in Australia with a 2.0-litre turbo petrol four-cylinder, but this 2.0-litre bi-turbo diesel makes much more sense, both for towing and long-distance touring.

It’s a four-cylinder offering a healthy 160kW/480Nm. You’ll note that’s pretty close to Ford’s similar 2.0-litre bi-turbo diesel, which is currently offered in the Everest…

The diesel also gets its own transmission, an eight-speed torque converter automatic with computer-controlled ‘Terrain Selection 4WD’.

This gives the D90 diesel a max towing capacity of 3100kg braked (or 750kg unbraked) with a max payload of 730kg.

Mercedes makes no secret that the battery is designed for performance, not saving fuel. It only has a 14km EV range but can recharge quickly on the move to provide a power boost when needed.

But despite all that, the GLC63 is actually significantly more fuel efficient than the old V8, using a claimed 7.3L/100km, which is a massive 4.9L/100km improvement over the old model. Although, on our day-long test drive we didn’t manage to come close to that claimed figure and instead saw returns around 11L/100km, albeit after a lot of spirited open-road driving.

The D90 diesel is said to consume 9.1L/100km of diesel on the combined cycle, but ours didn’t score near that with a figure of 12.9L/100km after a week of what I’d consider “combined” testing.

The D90 a big unit, so that number doesn’t seem outrageous, it’s just nowhere near the claim… All D90s have 75-litre fuel tanks.

Anyone who still believes in the adage ‘there’s no replacement for displacement’ hasn’t driven a modern turbocharged and hybridised engine. The GLC63 is a demonstration of the metaphorical and literal power of modern technology, combining an extremely efficient and potent internal combustion engine with an electric motor to make enormous real-world performance.

To be blunt, the GLC63 feels like a rocketship out of corners, launching with a ferocity and relentlessness the old V8 simply can’t match. It shouldn’t come as a surprise, a mid-size SUV with 1020Nm was always going to have plenty of performance, but even so it’s a shock to the system every time you give the GLC63 full throttle. Officially AMG claims it takes just 3.5 seconds to run 0-100km/h and has an electronically limited top speed of 275km/h - mighty impressive figures for a five-seat mid-size SUV.

To help get all that torque to the road, AMG deploys torque distribution technology that allows for it to be split an even 50/50 front/rear all the way to 100 per cent to the rear tyres.

Other technologies deployed to enhance its handling include AMG Ride Control suspension with adaptive damping and rear-axle steering. There’s also eight AMG Dynamic Select driving modes and four AMG Dynamics settings (Basic, Advanced, Pro and Master), so it’s a complex vehicle that is designed for the enthusiast.

While it’s easy to drive around town, once you get out on the open road you can really get a sense of the GLC63’s performance potential. Beyond just its powertrain the suspension offers good body control and the rear-axle steering helps it feel agile and responsive. 

It’s not perfect though. At times the complexity of the system does lead to some hesitation when you put your foot down. It certainly lacks the linear power delivery of the old V8 and makes for a slightly trickier driving experience at times.

As for the sound, which is one of the biggest elements missing from the V8, Mercedes has added AMG Real Performance Sound, which features a pressure sensor in the exhaust that picks up on the engine note and plays it through the speaker system. It certainly helps make for a louder, more noticeable engine noise, but it still sounds more like an A45 than the previous GLC63 and for many would-be buyers, that’s a major turn-off.

The D90 is easier to drive than it looks… to a degree…

It lacks some polish of its more established rivals, which results in a drive experience that isn’t bad, but occasionally frustrating.

The ride somehow manages to be soft and harsh at the same time. It undulates over larger bumps, while transmitting the worst parts of smaller, sharper ones to the cabin. It speaks to a lack of calibration between the suspension and dampers.

That having been said, the D90 masks its ladder chassis underpinnings well, with little of that typical body-on-frame jiggle that some rivals still struggle with.

The drivetrain is good, but a little unruly. As you’d imagine from the figures, there’s more than enough power on tap, but the transmission tends to have a mind of its own.

It will occasionally lurch between gears, pick the wrong gear, and off-the-line will sometimes be delayed before shunting the D90’s bulk forward with a sudden mountain of torque. It doesn’t sound particularly good either, with the diesel surging through the rev range with industrial crudeness.

By the time the D90 has reached cruising speed though, there’s really not much to complain about, with the D90 milling along with plenty of power in reserve for overtaking. The view of the road is commanding, but you really feel the D90’s high centre of gravity in the corners and under heavy braking. The physics of such a large object are undeniable.

I have to say, LDV has done a fantastic job of the D90’s steering, with a quick, light feel that betrays the SUV’s size. It manages to stray on the right side of lightness though, not being so disconnected that you lose a feeling of where the wheels are pointing. No mean feat in something this shape.

Overall then, the D90 isn’t bad to drive and has some genuinely great characteristics, it just also has a litany of small issues that get in the way of it being truly competitive with segment leaders.

The LDV D90 carries a maximum five-star ANCAP safety rating as of 2017, and has a fairly comprehensive active safety suite.

Included on the diesel is auto emergency braking (AEB) with front collision warning, lane-departure warning, blind-spot monitoring, driver-attention alert, traffic-sign recognition, and adaptive cruise control.

Not bad for the price, and nice that there’s nothing optional. Expected items include electronic traction, stability, and brake controls, as well as six airbags.

The curtain airbags do extend to the third row, and there’s the bonus of a reversing camera and a tyre-pressure-monitoring system.

There is a full-size steel spare under the boot floor, and the D90 also gets dual ISOFIX and three top-tether child-seat mounting points.

The GLC63 is covered by Mercedes Australia’s usual five-year/unlimited kilometres warranty.

As for maintenance, Mercedes offers service plans, spanning three to five years. Three years will cost you $5025, $6455 for four years and five years is priced from $7180. Servicing intervals are 12 months or 20,000km, whichever comes first.

LDV covers the D90 with a five-year/130,000km warranty, which is not bad… but falls behind sister brand MG, which offers seven years/unlimited kilometres. At the very least it would be nice to have the unlimited kilometre promise.

Roadside assist is included for the duration of that warranty, but there’s no capped price servicing offered through LDV. The brand gave us indicative pricing of $513.74, $667.15, and $652.64 for the first three annual services. An initial six-monthly 5000km checkup is free.

All D90s need to be serviced once every 12 months or 15,000km, whichever occurs first.