Mercedes-Benz S63 AMG (223) RX1.2 (ML2) ASR Exhaust Flap Control

SR Flap Control RX1.2 – For Mercedes models with two electric exhaust flaps

More control, more precision, more sound: The ASR RX1.2 exhaust flap control allows you to manually control the exhaust flaps of your Mercedes – regardless of driving modes or software interventions. For a direct, authentic sound experience at the touch of a button.

Suitable for the following models (series 223):

• S500

• S580

• S680

• S63 e

The module will be plug & Play is plugged directly between the actuators of the exhaust flaps in the rear silencer area – completely without any modifications to the CAN bus or the original vehicle wiring.

Your advantages at a glance

• Full manual control: Control via high-quality hand-held transmitter – regardless of the selected driving profile.

• True series mode: The module can be completely deactivated, even after restarting the vehicle. Ideal for workshops, service centers, or vehicle inspections.

• Freely programmable start mode: Specify how your vehicle should start up – last state or a defined mode.

• No software dependency: The function is retained even after vehicle updates.

• Reversible without leaving any trace: No damage to cables, no errors in the error memory.

Assembly

The installation is done via plug-in. & Play with vehicle-specific connectors. For optimal reception, installation in the trunk is recommended; the cable lengths are designed accordingly.

Handheld transmitter

• High-quality look with brushed stainless steel front

• Long range

• Compact, robust design

The ASR RX1.2 was specifically developed for electric flap systems and offers durable, safe operation. Made in Germany – quality you can rely on.

Notes

• Not approved for road use (German Road Traffic Regulations).

• Exclusively for use in racing.

• The flaps should not be completely closed at full load.

• Installation at your own risk; no liability accepted for failure to follow the instructions.

We receive a large number of custom orders and inquiries daily, 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 us. here to our sales team, to check stock levels before making your purchase.

We completely understand if you are unsure whether a part is compatible with your car. Therefore, we strongly recommend that you contact your vehicle manufacturer here. Inquiry to us Please contact us. Our friendly sales team will then get in touch with you to confirm if this part is the correct one you are looking for.

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

At Upgrade my Car (R-Trade GmbH), we place great importance on fully informing our customers about the intended use of our products. Please note that, unless otherwise specified, all our products are specifically designed for professional racing use. They are intended exclusively for use in competitions on racetracks sanctioned by an officially recognized racing organization. We would like to point out that any use of our products outside of these conditions, including recreational off-road driving, 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 complying with applicable laws lies solely with the purchaser. We strongly recommend that our customers familiarize themselves with and comply with the relevant legal regulations before using our products.