[0:00] This is the new AMG GLE 63. And this is [0:03] the new GLS 63. Forget electric motors [0:06] and giant batteries. These new SUVs both [0:09] come with massive twin turbo V8s. And [0:11] there's more, because these new engines [0:13] get the sort of tech you normally see in [0:15] track-focused supercars. And there are [0:17] plenty of other exciting upgrades as [0:19] well. It looks like AMG has finally got [0:22] its mojo back. But before we get into [0:24] the engines, we need to talk about the [0:25] design. Starting with this GLE 63. Just [0:30] look at the front end. The old car [0:32] wasn't exactly subtle, but this one has [0:34] dialed the aggression all the way up. [0:36] The new grill is bigger, bolder, and has [0:38] a silver ring around the edge, which [0:40] makes the car look like it's getting a [0:42] dental exam. And check out what it looks [0:44] like at [music] night. Yeah, the whole [0:46] thing lights up like an influencer's [0:48] ring light. And speaking of lights, just [0:50] look at what the designers have done to [0:52] the headlamps. Instead of a relatively [0:54] subtle nod to the iconic Mercedes logo, [0:56] like on the AMG GT 4-door, you get four [0:59] massive stars across the front. [1:01] >> [music] [1:01] >> They remind me of novelty sunglasses, [1:03] which probably isn't the high-end image [1:05] Mercedes was going for. And it's the [1:07] same story on the GLS. Although on that [1:09] car, the stars are stacked vertically, [1:11] so they look more like face tattoos. The [1:14] rest of the new car's bumpers are [1:16] actually pretty similar to before. You [1:17] get large intakes on either side and [1:19] some contrasting trim at the edge of the [1:21] front splitter. But that's [music] it. [1:23] It's almost impossible to spot the [1:24] differences down the side. The bodywork [1:26] is almost identical. And yes, you'll be [1:28] able to get the GLE as this coupe and a [1:31] taller upright SUV. However, there are [1:33] new alloy wheels on offer across the [1:34] range. They measure up to 22 inches on [1:37] the GLE and a whopping 23 inches on the [1:39] GLS. But can you spot what's changed at [1:42] the back? Yeah, both cars [music] have [1:44] even more star graphics in their brake [1:47] lights. The GLE keeps things relatively [1:49] sensible with four, but the GLS has gone [1:51] all out with six. I get the AMG has [1:54] always been slightly flashier than BMW's [1:56] M division or Audi's RS department, but [1:58] this is ridiculous. At least the four [2:01] massive exhaust pipes have stuck around [2:03] on both cars. Although, if they're [2:05] anything like the old models, these will [2:06] be oversized metal trims with smaller [2:08] pipes hiding inside. [music] As you [2:10] probably guessed by now, these aren't [2:11] completely new models. They're [2:13] comprehensive updates for the same GLE [2:15] that's been on sale since 2018, and the [2:17] same GLS [music] that's been around [2:19] since 2019. But, I'm not mad that [2:21] Mercedes is keeping these cars alive, [2:23] especially because it means they are [2:25] iconic 4-liter twin-turbo V8 are getting [2:27] a new lease of life. As well as new [2:29] intakes exhausts camshafts and [2:31] upgraded turbos, [music] [2:32] Mercedes has given these SUVs a new [2:34] flat-plane crank. The crankshaft [2:36] converts the pistons' up-and-down motion [2:38] into rotation. [music] A cross-plane [2:40] crank has its throws set 90° apart, [2:43] giving a rumbling V8 sound, but [music] [2:45] more inertia. [2:49] A flat-plane crank has its throws 180° [2:52] apart, enabling faster revs and A [2:54] HIGHER-PITCHED WAIL. [2:58] FERRARI FAMOUSLY USES FLAT-PLANE cranks [3:00] in its V8 supercars, and so did AMG in [3:02] the ultra-exclusive GT Black Series. So, [3:05] what on earth is it using a flat-plane [3:06] crank for [music] on a big, heavy SUV? [3:09] Well, it's not for huge power gains. [3:11] Both cars have 612 horsepower and 850 [3:14] Newton meters of torque, which is the [3:15] same as before. And, they still use the [3:17] same 22 horsepower electric motor and [3:19] mild hybrid system to save a bit of fuel [3:22] when you're cruising, and add an extra [3:23] 205 Newton meters of torque when you [3:25] suddenly accelerate. But, there is [3:27] method in AMG's apparent madness. The [3:29] internals of a flat-plane crank V8 tend [3:32] to be lighter than a cross-plane crank, [3:34] and this is one reason why they can rev [3:35] up so quickly and hit insane redlines. [3:38] This saves [music] fuel, and therefore [3:39] reduces carbon dioxide emissions. Also, [3:42] with a flat-plane crank, [music] the [3:43] exhaust pulses coming from each cylinder [3:45] bank are more regular. That's why they [3:47] have that high-pitched wail. [3:50] But, actually, this doesn't make much [3:51] difference in a naturally aspirated [3:53] engine like in an old Ferrari, but in a [3:55] twin turbo car like the new GLE and GLS [3:58] 63s, this smoother flow of exhaust gases [4:00] helps the two turbos work more [4:02] efficiently. Basically, they create more [4:04] boost more of the time. So, how does [4:05] this affect the performance of the new [4:07] SUVs? Well, the 0 to 60 times haven't [4:09] changed for either car. The GLE 63 does [4:12] it in 3.9 seconds and the GLS in 4.2 [4:15] seconds and they both hit the same 174 [4:18] mph top speed. But I don't really care [4:21] because these engines should feel very [4:23] different to drive and they should sound [4:25] completely different, too. [music] And [4:26] that's not the only thing that's [4:27] completely changed about these cars [4:29] because check out these interiors. There [4:31] are screens for days. [music] Both cars [4:34] get a new wrap-around driver's display [4:35] that completely absorbs the central [4:37] touchscreen. And because it's 2026, you [4:39] can't have a high-end luxury car without [4:41] some kind of dedicated passenger display [4:43] as well. Seriously, does anyone actually [4:45] use these? Most passengers will just be [4:47] on their phone, not messing around with [4:48] the car's screen. Anyway, this stuff is [4:50] carried over from the standard non-AMG [4:52] versions of the new GLE and GLS, but in [4:55] these 63 models, you get different [4:56] [music] graphics, specific performance [4:58] readouts, and customization options. The [5:00] seats have also been given an AMG [5:02] makeover with extra support and new [5:04] exclusive leather options. And you also [5:06] get a very similar steering wheel to the [5:08] AMG GT with the all-important rotary [5:10] switches. You use these to switch [5:12] between different driving modes, adjust [5:14] the stiffness of the adaptive air [5:15] suspension, and my favorite, crank those [5:18] exhaust valves all the way open. [5:20] Passengers in the GLS's third row will [5:22] thank you for it, at least for a bit. [5:24] But, will your wallet thank you? Well, [5:26] almost certainly not. Mercedes hasn't [5:28] confirmed exactly how much these cars [5:30] will cost yet, [music] but you can [5:31] guarantee they'll be slightly dearer [5:33] than the outgoing models. That means the [5:35] GLE 63 will set you back over 140,000 [5:38] pounds and a range-topping GLS 63 will [5:41] be over 160,000 [5:43] pounds. I'll be reviewing both these [5:44] cars as soon as I can get my hands on [5:46] them to tell you if they're worth the [5:47] cash. Or are these European SUVs just [5:50] overpriced? Because China [music] is [5:51] offering more power for less money in [5:54] the form of the Zeekr 8X. If you want to [5:56] find out exactly what I mean, you need [5:58] to check out the video just on the right [6:00] of this screen. Thanks for watching, and [6:01] I'll see you next time.