Mercedes-Benz CLS 53 AMG (257) RX1.2 (ML2) ASR Exhaust Flap Control

ASR flap control RX1.2 – Mercedes CLS 53 AMG (Type 257)

Experience complete control over the sound of your Mercedes!
The ASR flap control RX1.2 was specifically designed for vehicles with two electric exhaust flaps (type ML2) developed and is compatible with the Mercedes CLS 53 AMG (C257).

The module will simply Plug && Play directly inserted between the actuators of the exhaust flaps in the rear silencer area – without interfering with the CAN bus, without damaging the original wiring.

With the RX1.2 you control your exhaust flaps manually via remote control and decide for yourself when your vehicle should sound subtle or sporty. freely programmable start mode It allows you to set the desired sound as soon as the vehicle starts – regardless of the last selected driving mode.

Your advantages at a glance:

• Regardless of Drive Select: You determine the sound – not the driving profile.

• True series mode: The deactivated module remains inactive even after a restart (ideal for workshops, vehicle inspections). && Service)

• Freely programmable start mode: Choose your preferred mode at startup

• No interference with the CAN bus: No risks from software updates

• Plug &Play Installation: Original connectors, no wire taps, no traces – reversible at any time

• High-quality remote control: Brushed stainless steel front, long range, elegant design

Assembly recommendation

The installation takes place in trunk area For optimal reception and protection from the elements. All cables are sufficiently long and pre-assembled for specific vehicles.

Technical notes

• Standalone system without error messages

• Only for the Racing use (not street legal)

• The flaps should not be completely closed during full-load driving.

• Installation is at your own risk.

Quality Made in Germany

The ASR flap control RX1.2 stands for the highest quality workmanship, durability and reliable function – developed and produced in Germany.

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.