The Mercedes-AMG A45 and A35 (W177) pack supercar-baiting pace into a hatchback body — but from the factory, the styling doesn't always shout as loud as the powertrain. The right Mercedes A45 carbon parts fix that: a front lip, spoiler, diffuser and bonnet that give the W177 the visual aggression its performance deserves. Here's how to build it, part by part.
Why the W177 wears carbon so well
The A45 S is still one of the most powerful production four-cylinder hot hatches ever made, and the A35 offers most of that character for less. Both share the W177's compact, angular body — short overhangs, a wide grille and a high tailgate — which means every carbon addition reads clearly instead of getting lost on a big panel. Against the popular Mountain Grey, Cosmos Black and Digital White finishes, a genuine carbon weave adds contrast and depth you simply can't get from gloss-black plastic.
One thing before you start: most carbon parts are made to order, and as with any aftermarket styling, professional installation is recommended. Not sure whether a part suits your exact spec — AMG Line, A35 or A45 S? Message us before you order and we'll confirm fitment for your car.
The front end: lips, canards and bumper details
Front lip / splitter
The biggest single visual change you can make. A carbon front lip drops the W177's nose visually and sharpens the AMG bumper's lines — Future Design offer two versions for the W177, from a cleaner OEM+ profile to a more aggressive V2. If you want the full front-end treatment, TAKD's carbon front bumper surround frames the intakes in exposed weave.
Canards and bumper inserts
Front bumper canards are the motorsport detail that separates a styled A-Class from a standard one. Future Design's six-piece bumper insert and canard set dresses the whole lower front end, while TAKD's front canards are a subtler two-piece option for the A45.
The rear: spoilers, diffusers and tail lights
Rear spoiler
The W177's tailgate is made for a spoiler. You've got real choice here: AE Design's carbon fibre rear spoiler, Aulena's dry carbon version for the lightest, stiffest finish, or a gloss-black option if you're matching dark trim. On a hatchback, the spoiler is visible from almost every angle — it's arguably the highest-impact rear upgrade.
Rear diffuser
A carbon rear diffuser gives the A35 and A45 the planted, finished rear the bumper hints at. Options run from Aulena's dry carbon diffuser to AE Design's LED rear diffuser, which adds an integrated light bar for a genuinely distinctive signature at night. There's also a slim-line LED diffuser for the W177 saloon, so four-door owners aren't left out.
Clear tail lights
Want to change the car's look without touching the bodywork? Clear tail lights for the W177 are one of the most transformative single swaps on this platform — a completely different rear signature in one part.
Bonnets, skirts and the details in between
Carbon bonnet
For bigger builds, a carbon fibre bonnet from GEEX or TAKD saves weight over the front axle and makes the whole front end look purposeful. Bonnets are large items, so plan for longer sea-freight delivery — more on lead times below.
Side skirts and fenders
Carbon side skirts tie the front and rear together — available in dry carbon from AE Design or as Aero Carbon's own AMG Line fit. GEEX side fenders take it further with exposed-weave wings for a wide-body feel.
Mirror caps
Future Design's carbon wing mirror caps are the classic entry point: visible from the driver's seat, easy to fit, and a great first taste of genuine carbon before you commit to the bigger parts.
See the full range of Mercedes A-Class W177 A35 / A45 carbon parts →
Or start with a bundle
If you're planning the full look anyway, a body kit bundle is the smart route: AE Design and TAKD both offer complete W177 bundles that keep the weave, finish and design language consistent across every panel — and ordering together simplifies installation into a single visit. Browse the wider Mercedes carbon range if you run a CLA, C-Class or GLB alongside.
Lead times, fitment and finance
Because parts are made to order, plan your build ahead: production typically takes around 10 working days, plus roughly 5 days for delivery. Large items like bonnets and bumpers travel by sea freight, which takes 30–45 days. Spread the cost with Klarna or Shop Pay instalments at checkout, and every order ships worldwide with tracked delivery. If you'd rather not fit parts yourself, we work with a trusted network of UK installation garages — get in touch and we'll point you in the right direction.
FAQ
Do A35 and A45 parts interchange on the W177? Many parts fit both the A35 and A45 (and AMG Line cars), but some are model-specific — the A45 S bumper differs from the A35's. Always confirm fitment with us for your exact model before ordering.
How long will my order take? Most parts are made to order — around 10 working days production plus roughly 5 days delivery. Large items such as bonnets ship by sea and take 30–45 days.
Is dry carbon worth it on a hot hatch? Dry carbon is lighter and stiffer with a premium finish, and on smaller parts like spoilers and diffusers the cost difference is modest. Several W177 parts — including Aulena's spoiler and diffuser — are available in dry carbon.
Do I need a garage to fit these parts? We recommend professional installation for the best results; minor fitment adjustment can be needed with any aftermarket part. See our FAQs for details.
Can I pay in instalments? Yes — Klarna and Shop Pay instalments are available at checkout for eligible orders.
Ready to transform your A-Class?
Build your W177 the right way — shop genuine carbon fibre for the Mercedes-AMG A45 / A35 with worldwide tracked shipping and finance at checkout.
New here? Subscribe and take 5% off your first order.