Mercedes GLB 250 (X247) RX1.2 (ML1) ASR exhaust flap control

ASR flap control RX1.2 – full control over the sound of your vehicle

Compatible with:
Mercedes Benz GLB 35 AMG (X247), GLB 250

Experience your vehicle's sound in a completely new way – with the ASR flap control RX1.2.
The module is plugged directly into the actuator of the exhaust flap in the rear silencer area – without any modification to the vehicle software. This gives you full control over your exhaust flaps at all times – conveniently via remote control.

Your advantages at a glance

• Manual control independent of Drive Select
  You determine the sound – not the driving profile.

• True stock mode (disabled) even after vehicle start
  Ideal for workshop, service or TÜV visits.

• Freely programmable start mode
  Choose the sound your vehicle starts with.

• No interference with the CAN bus
  Safe for all control units – regardless of software updates.

• Plug && Play Installation with original plugs
  No cable cutting, no power thieves, no error messages.

Assembly

The installation is carried out Plug && Play with vehicle-specific connectors – quick, clean and residue-free reversible.
No modifications to the original wiring harness are required.

Handheld transmitter

• High-quality look with brushed stainless steel front

• Long range and reliable signal transmission

• Precise control of the exhaust flaps at the touch of a button

Technical Highlights

• Reversible without leaving any trace

• No entry in the error memory

• Stable and continuous operation

• Designed for electric flap systems

• Made in Germany – Premium quality from ASR

Notes

• Not approved under the German Road Traffic Act (StVZO).

• Intended for use in motorsport only

• Do not keep the flaps completely closed during full-load driving.

• Installation at your own risk

We receive a large number of custom orders and requests every day, so it's not always possible for us to have every item in stock at all times. If you need the item urgently, please contact here to our sales teamto check stock before making your purchase.

We fully understand if you are unsure whether a part is compatible with your car. Therefore, we strongly recommend that you contact your Inquiry to us Our friendly sales team will then contact you to confirm if this part is the right one you are looking for.

All our products come with a standard 2-year warranty. However, this depends on the type of product. For more details, see here.

At Upgrade my Car (R-Trade GmbH), we take great care to fully inform our customers about the intended use of our products. Please note that, unless otherwise stated, all of our products are specifically designed for professional racing use. These are intended solely for use in competitions on race tracks sanctioned by an officially recognized racing organization. We would like to point out that any use of our products outside of these terms and conditions, including recreational off-road use, may potentially violate local, state, or federal laws. It is important to understand that Upgrade my Car (R-Trade GmbH) assumes no liability for the legality of using our products on public roads. The responsibility for compliance with applicable laws lies solely with the purchaser. We strongly recommend that our customers familiarize themselves with and comply with applicable legal regulations before using our products.