Multifunction Steering Wheel Replacement Buttons For Audi A4 S4 RS4 B9 - 2016 to 2024

Swap the failing multifunction steering wheel modules on your Audi A4, S4, or RS4 B9 (2016–2024) with these complete replacement units that deliver new switch electronics, scroll wheels, button surfaces, and plug-in connectors in a single bolt-on assembly.

The B9 A4 moved more driver controls onto the steering wheel than any Audi before it. Virtual Cockpit navigation, adaptive cruise distance, speed limiter, phone and media, voice input, and trip computer are all managed from the spokes. That concentration of function means the button modules absorb an enormous amount of daily input, and after eight years on the market, B9s across the board are showing the consequences — unresponsive switches, erratic scroll behaviour, and surfaces worn beyond recognition.

This kit replaces every component responsible for those failures.

Looking to upgrade the interior of your car? Also visit the Audi section of our aftermarket parts shop.

Compatible Audi Models

Audi A4 Sedan (B9) – 2016 to 2024

Audi A4 Avant (B9) – 2016 to 2024

Audi A4 Allroad (B9) – 2016 to 2024

Audi S4 (B9) – 2016 to 2024

Audi RS4 Avant (B9) – 2017 to 2024

Fits both pre-facelift (2016–2019) and facelift (2020–2024) models across sedan, Avant, and Allroad body styles. The B9 steering wheel switch module is shared across the A4 range regardless of powertrain. Compare the product images to your steering wheel configuration before ordering, as module layouts may differ between standard multifunction and S line / RS flat-bottom steering wheels.

The Problem With Replacing Just the Caps

Most steering wheel button kits on the market only replace the outer cosmetic caps. That fixes the visual wear — the glossy surfaces, the faded icons, the flattened scroll wheel texture — but it leaves the failing electronics underneath exactly as they were.

On the B9 A4, the electrical failures are often worse than the cosmetic ones. Dome switches lose their defined click and start requiring multiple presses to register a single input. Scroll wheel encoders develop dead zones where rotation produces no response, then suddenly jump two or three menu positions at once. The cruise control rocker becomes unreliable at the exact moment the driver needs it to respond instantly.

Fitting new caps over dead electronics is a repair that looks right but does not work right. This kit replaces the entire module — surface and circuitry together — so nothing is left behind to fail.

The Daily Driver Factor

The A4 is the highest-volume B9 in the Audi range. Most examples serve as daily commuters, covering motorway runs, urban stop-start traffic, and school runs in equal measure. That usage profile generates a relentless accumulation of button presses and scroll inputs — far more per year than a weekend car or a second vehicle ever would.

Cruise control activation on every motorway merge. Volume adjustment at every traffic light. Phone pickup and hangup through the day. Virtual Cockpit scrolling to check range, consumption, and navigation. Each interaction is small, but the aggregate over 50,000 to 150,000 kilometres of daily driving exhausts the switch contacts well within the car's mechanical lifespan.

The A4's buttons do not fail because of a defect. They fail because the car is used exactly the way it was designed to be used — constantly.

What You Receive

Each replacement is a complete steering wheel switch module containing:

Fresh button caps and rocker surfaces with factory-grade satin coating and sharp icon definition

New dome switch contacts with full tactile click response on every activation

New scroll wheel assembly with precise detent steps and restored knurled grip

Integrated plug connector that mates directly with the B9 steering wheel harness

This is the full electrical and mechanical assembly — not a cosmetic cap set. It mounts onto the steering wheel spoke as a single unit and is ready to use the moment it is plugged in.

Installation

The factory switch module clips onto the steering wheel spoke and connects through a single harness plug.

Unclip the old module from the spoke. Disconnect the wiring connector by pressing the release tab and pulling straight back. Set the old unit aside.

Plug the new module's connector into the harness. Press the module onto the spoke until all retention clips lock.

No airbag removal. No steering wheel extraction. No VCDS coding, no adaptation reset, and no dealer visit.

Both modules swap in approximately 15 to 20 minutes.

Why This Kit Is Worth It

Full module replacement for the Audi A4, S4, and RS4 (B9) — sedan, Avant, and Allroad

Solves electrical and cosmetic failures simultaneously — no need for a separate cap kit

Eliminates scroll wheel dead zones and unresponsive button presses at the source

Plug-and-play harness connector with no rewiring or signal adaptation

No airbag intervention, no coding, and no specialist tools

A fraction of the cost of the same repair through an Audi dealership

Explore all parts and accessories for Audi, browse our full range of replacement interior buttons and controls, and discover more in our interior trims collection.

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