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Audi A4 B9 Adaptive Cruise Control / ACC

Audi
2024 Model with SFD2
Current speedometer
37,500.00 SEK
incl. VAT
Quantity
Sold with installation only

Description

Audi A4 B9 Adaptive Cruise Control (ACC) & pACC Retrofit

Upgrade your Audi A4 B9 with the original Adaptive Cruise Control (ACC) and predictive ACC (pACC). This advanced OEM retrofit enhances comfort and safety by automatically adjusting vehicle speed based on traffic flow, road conditions and navigation data. Compared to standard cruise control, ACC and pACC significantly reduce driver fatigue while delivering a smoother and more intelligent driving experience.

Key Features

  • Adaptive Cruise Control (ACC) – Maintains a set speed while automatically adapting to traffic and keeping a safe distance to the vehicle ahead.
  • Predictive ACC (pACC) – Uses navigation data and road sign recognition to anticipate speed limits, curves and roundabouts.
  • Stop & Go Function – Operates even in heavy traffic, bringing the vehicle to a complete stop and resuming automatically.
  • Radar & Camera-Based Detection – Combines radar sensors and front camera for precise speed and distance control.

Compatible Models

  • Audi A4 B9 Avant (2016–2024)
  • Audi A4 B9 Sedan / Limousine (2016–2024)

Additional Costs & Requirements

  • The displayed price applies to vehicles equipped with Virtual Cockpit.
  • Vehicles with a standard instrument cluster require an ACC-compatible cluster or a Virtual Cockpit retrofit: +15,000 SEK.
  • Vehicles from model year 2024 and newer are equipped with SFD2: +3,750 SEK.

Installation

To order this retrofit, please use the “Installation” tab and submit the contact form.
This advanced retrofit is offered exclusively as an in-house installation at our workshop in Vellinge, Sweden.
Installation costs are included in the displayed price unless otherwise stated.

If you have any questions, feel free to contact us.

Product Details
Audi
New

Question about product

 

To book this retrofit or if you have any questions, please fill out the contact form below. 
We will then confirm the exact price for your car.

Please note that for all bookings, a 50% deposit is required.
The expected installation time is around 2-3 weeks after receiving the deposit, as all parts are ordered for your VIN.

Question about product

 

 

Special Notice – 2024+ Models (SFD2 Protection)

Starting from model year 2024, most Audi vehicles are equipped with SFD2 (Schutz der Fahrzeugdiagnose 2) security protection. This system prevents remote coding, dataset uploads and activations outside of authorized workshop environments.

If your vehicle has one of the following PR codes, it is protected by SFD2:

  • PR-NI1 – With UNECE CS & SU
  • PR-NI7 – With UNECE (R155) without SU (R156)
  • PR-NI8 – Without UNECE (R155) and SU (R156) with SFD2-SG
  • PR-NI9 – With UNECE CS & SU

Vehicles with SFD2 cannot be activated remotely.

For these vehicles, we only offer installation and activation at our workshop in Vellinge, Sweden. If you are unsure whether your vehicle has SFD2, please contact us before ordering.


Installation & Activation

All coding, adaptations and feature activations are performed using RetroLab Pro. No third-party tools, scripts or manual coding are required.

Hardware installation must be carried out according to Audi factory repair manuals and wiring diagrams. We do not provide trim removal or mechanical disassembly guides.

You must be comfortable working on your vehicle or have a professional workshop perform the installation. Remote activation support is available if required (additional cost may apply).

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