Used Mercedes-AMG A45 2013-2018 review

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AMG popped its hot hatchback cherry in inimitable fashion, but do less expensive rivals like the Honda Civic Type R and Golf R deliver greater thrills?

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You only need to peruse the first-gen AMG A45's specs to see why it lured so many hot hatch buyers away from segment leaders like the Audi RS3 and BMW M135i.

This was Merc's first crack at a mega-hatch - it was so potent that a new hot hatch classification was needed - and they came out swinging. With 355bhp and 332lb ft giving a stunning 0-62mph time of 4.6sec the A45's engine was the most powerful turbocharged four-cylinder fitted to a production car at the time of its launch - or so Mercedes would claim (Mitsubishi's 405bhp Lancer Evolution FQ-400).

Despite the Mercedes being heavily turbocharged, there's not too much lag
Matt Prior
Editor-at-large

Now, a decade later, you can have it on your driveway for as little as £10,000.

We declared the A45 "the performance king of the class". The four-pot delivered such beguiling grunt and mid-range torque that it could blast from 50-100mph far quicker than the RS3 and M135i, with a cacophony of whistles and growls to accompany it.

Indeed, the powerplant is a brute, but it's one that can be tamed and still just about deployed on a British B-road without undue concern for your wellbeing or driving licence.

Any downsides? The seven-speed dual-clutch automatic transmission is a potential bugbear: it can be a bit sluggish when you swap cogs using the paddles, and at times the engine lacks some charisma compared with the five- and six-cylinder units in the Merc's Audi and BMW rivals. That said, the A45 more than makes up for its foibles when it comes to handling: its taut, agile and responsive chassis delivers sports car levels of engagement.

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You can stick it into a corner with confidence, and it's easy to find a good rhythm when pressing on. There's plenty of traction, too, thanks to the A45's 4Matic all-wheel drive system, although its lack of rear-wheel bias limits its adjustability on the throttle. Early cars weren't the most supple-riding and the gearbox can be unreliable, so we would opt for the facelifted A45 that landed in 2016. Post-facelift examples start from around £15,000, but you will pay more than £18,000 for an immaculate car with 50,000-60,000 miles.

It's worth the extra: these later cars have a plusher interior, with a larger 8.3in infotainment screen and Apple CarPlay. AMG also fettled the turbo four to produce 376bhp (it was just enough of a hike to outpunch the 362bhp Audi RS3 that was launched the year before) and fitted a slicker dual-clutch 'box with revised ratios.

It's a more polished hot hatch, with an even more communicative drive, a better ride and a frankly monstrous turn of pace. Unlike the current Mk2 A45, the first car was a relatively understated proposition, and only minimally restyled over the standard A-Class. There was an optional Aero pack, though, for the more extroverted enthusiast, and it gained front and rear winglets and a roof spoiler.

If you do opt for a post-facelift model, find one fitted with the AMG Dynamic Plus pack, which adds a limited-slip diff to the front axle and adaptive dampers. Pleasingly, the A45 is still the same refined and practical A-Class underneath. The figure-hugging sports seats are comfortable, and the materials used throughout the cabin, alongside the ambient lighting and metal brightwork, give the Mercedes a true premium feel. 

You would have paid almost £40,000 for that premium feel and searing performance when the A45 was new, but now you can have a tidy example for £15,000. It makes AMG's wild child hard to resist for anyone hunting for a hot hatch.

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DESIGN & STYLING

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Mercedes-AMG A 45 xenon lights

The Mercedes-AMG A 45 is a fairly subtle uplift to the regular Mercedes Mercedes-Benz A-Class. It’s not that it lacks overt sporting cues; there are the big wheels and deep skirts and the like. It’s just that, even on its cooking models, Mercedes has given the A-Class a certain visual sportiness.

However, no other A-Class has the technological armoury that this one does. There’s a truly impressive 2.0-litre engine, which gains the signature of the technician who assembled it under AMG’s ‘one man, one engine’ mantra.

The Mercedes-Benz's rear spoiler is a fairly discreet affair
Nic Cackett
Road tester

The specific power output of 188bhp per litre is a number to be marvelled at, even now, and even though it uses a turbocharger.

Its 376bhp (352 in pre-facelift models) goes to all four wheels via a seven-speed dual-clutch automatic transmission and a 4Matic four-wheel drive system. It is normally front-wheel drive, apportioning power – up to a maximum of 50 percent – to the rear wheels only once the fronts begin to lose traction.

At the front, the A 45 retains the A-Class’s MacPherson strut suspension but is fitted with stiffer steering knuckles and changes to bushings, springs and dampers. At the rear, the multi-link suspension is more heavily revised – including becoming rigidly attached to the body to provide greater precision and stiffness, presumably at the expense of some refinement and isolation.

Braking is by ventilated and cross-drilled disc brakes all round. There’s no ceramic option but you can have the calipers in red, although it was a rarely ticked option.

To combat Audi's brazen attempt to shoehorn Mercedes-AMG out of the way, the Stuttgart outfit decided to go over the A 45 with a fine-tooth comb in 2015 and tweaked not only the 2.0-litre engine, but also made the gear ratios closer and variable dynamic modes - to help you switch from quiet cruiser to raucous riot. Outside the A 45 was given a light refresh with small changes made to the front and rear, and the addition of LED headlights. 

INTERIOR

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Mercedes-AMG A 45 dashboard

Not every hatchback’s innards are suited to the standard ‘hot’ makeover. Fortunately for the Mercedes-AMG A 45, the Mercedes-Benz A-Class – primed to overthrow the Audi A3 – had ‘sporty’ stamped firmly on it during gestation.

The low driving position, form-fitting seats and fist-filling steering wheel were all features of the more modest A 200 CDI. So AMG’s fettling feels like a progressive tweak rather than a frantic attempt to turn the interior dial to 11.

The Distronic Plus system is another cost option, which seems a little measly
Mark Tisshaw
Editor

Which isn’t to suggest that every new facet contributes equally to the A 45’s appeal. Too much carbonfibre-effect trim and ruby-ringed air vents leave the normally conservative dashboard looking apologetically red-faced but, where it counts – in where you sit and what you hold – it’s mostly spot on.

The most noticeable addition over the standard Mercedes-Benz A-Class is also the most welcome: as with most other AMGs, the gear selector migrates from its naff steering column stalk to an embossed hunk of hardware located, more naturally, beneath the fall of your left hand.

Mercedes' ‘performance’ seats are slightly more contoured (and all the better for it) as well as being coated in grippy Dinamica microfibre, which ensured decent adhesion to road-tester-issue dark blue denim. As standard, the A 45 gets a flat-bottomed, three-spoke helm to hold, but the options list includes an AMG wheel, trimmed in Alcantara and garnished with chilled-to-the-touch metal paddle shifters.

The A 45 gains all the standard equipment behest on the A-Class AMG 250, including a 8.0in infotainment display, Garmin sat nav, climate control, heated front seats and Mercedes' Parking Pilot system, along with an AMG bodykit - rear spoiler, diffusers and side skirts, sports seats, AMG-tuned suspension and various AMG interior and exterior details.

Although secondary – in our book – to its functional duties, the cabin is obliged to live up to this car’s mighty price and the buyer expectations that inevitably come with it. Subjectively, it does this about as well as could be expected from an architecture also made to work in an entry-level model that's considerably less expensive.

The usual tactile tricks (superior materials, atmospheric ambient lighting, shiny highlights and suggestive stitching) have been weaved into an already admirable level of build quality.

ENGINES & PERFORMANCE

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Mercedes-AMG A 45 rear quarter

The A 45 AMG is a very fast hot hatchback. Having spent a good 150 percent of what you might call the going rate for such a car, owners who bought the car new would expect nothing less.

They might reasonably expect this to be the fastest car of its kind ever produced, full stop. In the past, we’d seen two premium-brand fast hatchbacks smash the prevailing class standard on 0-60mph acceleration: the Audi RS3 (4.5sec to 60mph) and the BMW M140i (4.6sec).

Despite its power, the engine meets Euro 6 emissions regulations
Matt Saunders
Road test editor

We clocked the Mercedes-Benz at an impressive 4.2sec, set on the same piece of asphalt in similar circumstances, so there's no question about its competitiveness. Underneath it all, this is undoubtedly the new performance king of the class. Even today, few hot hatches other than the new A45 and RS3 will be able to keep pace.

The A 45 whistles and growls from 50mph to 100mph almost a second quicker than either the Audi or the BMW. It was the only hot hatchback we’ve ever figured that hit 150mph inside a standing mile on MIRA’s dead-level horizontal straights.

Between incredible traction, formidable mid-range torque and an unrelenting delivery at high revs, it’s nothing short of a monster and has as much performance as you could ever sanely deploy on the road.

Aside from the occasional refusal of the paddle-shift gearbox to do what it’s told, we have only one other criticism here. Although it’s damned effective at what it does, the four-cylinder engine lacks a little bit of vibrancy, compared with the kind of performance motors available at this price.

Over-dramatised gear change pops compensate little for the fact that a BMW straight six or a Porsche boxer engine offers so much more character.

RIDE & HANDLING

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Mercedes-AMG A 45 cornering

The Mercedes-AMG A 45’s chassis is every inch the finely polished, hardcore marvel required to keep the car hunkered down and haulin’ in the face of all that speed and when tested by a tortured surface. The Mercedes could do with a touch more delicacy and communicative balance through a long, fast bend.

But in dealing with the sort of bumps and blind corners that we Brits are likely to find on the pretty route between where we are and where we need to be, it shows off a combination of taut damping, grip, response and agility that you’ll find once in a blue moon in a hot hatchback.

The way the A 45 AMG stops is monumentally impressive
Matt Prior
Editor-at-large

In places and at speeds where a BMW M140i would begin to run out of body control and circumstances in which you’d seldom find yourself in an Audi RS3 for simple lack of driver reward, the A 45 really begins to shine. The dynamic appeal is a bit one-dimensional, in that it flows more from what punishment the chassis will take than from what it’ll give back.

This is a car to hustle into the apex, hard on the brake pedal, rather than one to hurry through the heart of a corner on the power. The dampers instantly hoover up bumps with lots of commitment and under considerable lateral load.

Meanwhile, the car feels directionally alert but not hyperactive. There’s a slight stability bias about the cornering balance. That makes it almost as quick in the wet as it is in the dry and it allows you to use as much power as you like the minute you start unwinding the steering without fear of oversteer.

It also means, however, that the car’s attitude through a bend isn’t remotely throttle-adjustable – which is the kind of handling enrichment that you can sometimes find in a four-wheel-drive performance car.

Someone high up at Affalterbach clearly thought that this is how a Mercedes-AMG hot hatchback – a feeder car, perhaps, into something with a more mature repertoire – should handle. For us, it could do with a more rearward torque bias. But either way, it’s a blast to drive.

MPG & RUNNING COSTS

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Mercedes-Benz A45 AMG
The Mercedes-Benz A 45 AMG features a 355bhp turbocharged engine

The Mercedes-AMG A 45 demands a lot of your money even before you worry about the ownership costs. Even as a used purchase, they're comparatively expensive. 

It’s two-Ford-Fiesta-STs-and-change sort of money. 

Don't go overboard on options; it's well equipped as standard
Darren Moss
Content editor

Equivalents like the Volkswagen Golf GTI, or BMW M140i, are a similar price, though.

Our original test car cost more than £50,000, which is faintly ludicrous, but now at £15,000 it would feel even more exciting. Although we returned nearly 30mpg during testing, you have to do a lot of miles at slow motorway speeds before you’ll feel like you’ve recouped your costs over cheaper but thirstier sports hatchbacks. If the A 45 feels special enough to you, it's possible to forgive it.

 

VERDICT

4 star Mercedes-AMG A 45
Blisteringly fast and capable, but its ability doesn’t match its exalted price

The A45 was always going to be a curious confection. Given our experience of the Mercedes-Benz A-Class, a style-obsessed city slicker, we expected the A45 to be a half-hearted effort. 

It transpires that the A 45 is far more beguiling and well-rounded than that. It is the best A-class by some distance. It is also ballistically quick. It isn’t easy to obtain 376bhp from a relatively small 2.0-litre engine and retain driveability — as anyone who has tried a Mitsubishi Evo FQ will know.

The price needs to be reduced to a more affordable level
Matt Prior
Editor-at-large

AMG has, therefore, performed a terrific job on the A 45's engine, which is both flexible and willing. Better still, the A 45's savagery is not some ghastly appendage bolted on like a body kit. Thanks to a deft and tolerant chassis, it is deployable, enjoyable and fitting for the car’s ability.

There is class-leading power and pace here, and quite possibly the looks and quality to go with it.

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This, however, is not the best hot hatch ever made. And it would have to be to convince us that spending the extra over a Ford Focus RS or Volkswagen Golf R was advisable. Or that spending a little more to get a Porsche Cayman was not the way to go.

Still, if you must occupy the space between the two, the A 45 is a singular way of doing so.

 

Sam Phillips

Sam Phillips
Title: Staff Writer

Sam joined the Autocar team in summer 2024 and has been a contributor since 2021. He is tasked with writing used reviews and first drives as well as updating top 10s and evergreen content on the Autocar website. 

He previously led sister-title Move Electric, which covers the entire spectrum of electric vehicles, from cars to boats – and even trucks. He is an expert in new car news, used cars, electric cars, microbility, classic cars and motorsport. 

Sam graduated from Nottingham Trent University in 2021 with a BA in Journalism. In his final year he produced an in-depth feature on the automotive industry’s transition to electric cars and interviewed a number of leading experts to assess our readiness for the impending ban on the sale of petrol and diesel cars.

Matt Prior

Matt Prior
Title: Editor-at-large

Matt is Autocar’s lead features writer and presenter, is the main face of Autocar’s YouTube channel, presents the My Week In Cars podcast and has written his weekly column, Tester’s Notes, since 2013.

Matt is an automotive engineer who has been writing and talking about cars since 1997. He joined Autocar in 2005 as deputy road test editor, prior to which he was road test editor and world rally editor for Channel 4’s automotive website, 4Car. 

Into all things engineering and automotive from any era, Matt is as comfortable regularly contributing to sibling titles Move Electric and Classic & Sports Car as he is writing for Autocar. He has a racing licence, and some malfunctioning classic cars and motorbikes.