Log in or Sign up
Go to homepage
Exhaust Flap Controls
Memory Modules
Exhaust Flaps
Accessories
Usage
Partners
Show all categories Choose your vehicle
  • Abarth
  • Alfa Romeo
  • Audi
  • Aston Martin
  • Alpina
  • Alpine
  • Bentley
  • BMW
  • Chevrolet
  • Cupra
  • Dodge
  • Ferrari
  • Ford
  • Honda
  • Hyundai
  • Jaguar
  • Kia
  • KTM
  • Land Rover
  • Lamborghini
  • Lotus
  • Maserati
  • McLaren
  • Mercedes
  • Mini
  • Nissan
  • Porsche
  • Renault
  • Rolls Royce
  • Seat
  • Škoda
  • Toyota
  • VW
  • Volvo
  • with retrofitted exhaust system
%Fahrzeuge%
Electrical
Vacuum
Adapter Cables
Remote Controls
Clutch Springs
Actuators
Reversing Valves
Deactivation plugs
Services
Your account
Log in
or sign up
Overview Your profile Addresses Payment methods Orders
€0.00*
Show all categories CLS-Class (C 257) Back
  • Show CLS-Class (C 257)
  • CLS 450
  • CLS 53 AMG
  1. Car models
  2. Mercedes
  3. CLS-Class
  4. CLS-Class (C 257)
  • Car models
    • Abarth
    • Alfa Romeo
    • Audi
    • Aston Martin
    • Alpina
    • Alpine
    • Bentley
    • BMW
    • Chevrolet
    • Cupra
    • Dodge
    • Ferrari
    • Ford
    • Honda
    • Hyundai
    • Jaguar
    • Kia
    • KTM
    • Land Rover
    • Lamborghini
    • Lotus
    • Maserati
    • McLaren
    • Mercedes
      • A-Class
      • C-Class
      • CLA-Class
      • CLE-Class
      • E-Class
      • S-Class
      • AMG GT (Coupé)
      • AMG GT (4-Door)
      • GLA-Class
      • GLB-Class
      • GLC-Class
      • CLS-Class
        • CLS-Class (C 257)
          • CLS 450
          • CLS 53 AMG
      • GLE-Class
      • GLS-Class
      • G-Class
      • SLK / SLC-Class
      • SL-Class
    • Mini
    • Nissan
    • Porsche
    • Renault
    • Rolls Royce
    • Seat
    • Škoda
    • Toyota
    • VW
    • Volvo
    • with retrofitted exhaust system
  • Exhaust Flaps
  • Accessories
  • Usage
  • Partners

Exhaust Flap Controls for your CLS-Class (C 257)

Memory Modules for your CLS-Class (C 257)

Valve Exhaust flap control (RX1.2) made for Mercedes CLS 53 AMG [257] Valve Exhaust flap control (RX1.2) made for Mercedes CLS 53 AMG [257]
Valve Exhaust flap control (RX1.2) made for Mercedes CLS 53 AMG [257] A-002-002
Mercedes CLS 53 AMG [257]
Control via remote control
With our flap control for your Mercedes CLS 53 AMG [257], you have the ability to manually control the exhaust flaps. The control is done using a remote control. This gives you full control over your vehicle's sound on the race track! Functionality and Benefits Sport Mode The exhaust flaps are opened, increasing the volume. The result is a sporty sound. Standard Mode The factory control is restored. Comfort Mode The exhaust flaps are closed, reducing the volume. 1) Control independent of driving profile You decide on the vehicle sound, not the selected driving profile 2) Proper standard mode When the module is deactivated, everything acts as if no module is installed 3) Freely programmable start mode You decide on the sound when starting the vehicle 4) No intervention in the CAN bus No risk to other control units No influence of software updates on the control 5) Plug & Play with original connectors No damage to the original cables, no use of wire taps Can be reverted at any time without any traces 6) Remote control High quality with brushed stainless steel front High range

€369.00*
Details
Valve Exhaust flap control (RX1.2) made for Mercedes CLS 450 [C257] Valve Exhaust flap control (RX1.2) made for Mercedes CLS 450 [C257]
Valve Exhaust flap control (RX1.2) made for Mercedes CLS 450 [C257] A-002-001
Mercedes CLS 450 [C257]
Control via remote transmitter
With our flap control for your Mercedes CLS 450 [C257], you have the ability to manually control the exhaust flaps. The control is done using a remote control. This gives you full control over your vehicle's sound on the race track! Functionality and Benefits Sport Mode The exhaust flaps are opened, increasing the volume. The result is a sporty sound. Standard Mode The factory control is restored. Comfort Mode The exhaust flaps are closed, reducing the volume. 1) Control independent of driving profile You decide on the vehicle sound, not the selected driving profile 2) Proper standard mode When the module is deactivated, everything acts as if no module is installed 3) Freely programmable start mode You decide on the sound when starting the vehicle 4) No intervention in the CAN bus No risk to other control units No influence of software updates on the control 5) Plug & Play with original connectors No damage to the original cables, no use of wire taps Can be reverted at any time without any traces 6) Remote control High quality with brushed stainless steel front High range

€339.00*
Details

Choose your CLS-Class (C 257)

Choose the base model for your race car. If you are unsure about your choice or compatibility, we are happy to assist you.

About our valve controllers

Our valve controllers, developed in Germany, allow manual control of the exhaust valves using a remote control or the original buttons – for maximum control over the sound with "plug and play" installation.

Emotion at the push of a button

Open your exhaust valves at the push of a button to unleash maximum emotion on the racetrack.

Quiet when you want it

To make your drive more relaxed—or to comply with decibel limits on the racetrack—you can close the valves independently of the driving mode.

Smart additional features

The CB2 controllers offer, among other things, a memory function for the start-stop system.

About our Memory Modules

Our memory modules make it possible to permanently enable or disable functions such as speed warning, lane assist, or start-stop system.

Permanently disable assistance systems

Our memory modules allow you to permanently deactivate systems such as speed warning or lane assist in your race car if desired.

Simplified startup

No more tedious deactivation of functions when starting the vehicle!

Plug & Play

Simple installation with the included instructions; can be reverted without leaving any traces. No coding required!

Find the right valve controller for your CLS-Class (C 257)

A comparison of the features of our valve controller series for your CLS-Class (C 257).

About your CLS-Class (C 257)

Show more
Mercedes CLS-Class (C 257)

The Mercedes CLS-Class (C 257) is a four-door coupe that was first introduced in 2018.
This model represents the third generation of the CLS-Class, combining sporty design with luxurious comfort.
The CLS-Class (C 257) is built on Mercedes-Benz's MRA platform, which is also used for other models such as the E-Class.
The vehicle is available with a variety of engines, including gasoline and diesel options that provide a good balance of performance and efficiency.
Notable features include a striking exterior design characterized by a long hood and a coupe-like silhouette.
Inside, passengers are treated to high-quality materials and state-of-the-art technology, including a large infotainment system.
The CLS-Class (C 257) is equipped with various driver assistance systems that enhance safety and comfort.
The vehicle offers sporty driving dynamics supported by precise steering and a well-tuned suspension.
The CLS-Class has established itself as a popular model in the luxury vehicle segment, appealing to buyers seeking style and performance.
Overall, the CLS-Class (C 257) combines traditional Mercedes-Benz values with modern design and technological trends.
Contact

Support and counseling via: +49 2245 6191488 info@asr-component.de
Mon-Fri, 10am - 12pm & 02pm - 04pm

Or via our contact form.
Company
  • Terms and Conditions
  • Imprint
  • Privacy Policy
  • Cancellation Policy
  • Electrical Devices and Batteries
  • Shipping and Payment
Payment methods
PayPal
Credit or debit card (by Mollie)
Billie
Klarna
SEPA direct debit
Amazon Pay
DHL Paket (DE)
FedEx International Economy
FedEx Regional Economy
DHL Paket (International)
FedEx International Priority
FedEx Priority
© 2026 ASR Component GmbH

* All prices incl. VAT plus shipping costs and possible delivery charges, if not stated otherwise.
Our products are not original parts from the mentioned vehicle manufacturers.

This website uses cookies to ensure the best experience possible. More information...