Mercedes-Benz GLB35 (2019-) X247 Valvetronic Exhaust System

Fi EXHAUST Valvetronic System – Mercedes-AMG X247 GLB35

Unlock the true performance and character of your Mercedes-AMG GLB35 (X247) with the Frequency Intelligent (Fi) EXHAUST Valvetronic System—a high-performance, premium-grade T304 stainless steel exhaust engineered for precision fitment, bold sound, and enhanced power delivery.

Dual Personality – Intelligent Sound Control

Thanks to valvetronic technology, the Fi EXHAUST system allows drivers to seamlessly switch between comfort and aggression:

• Valves Closed: Enjoy a subtle, refined exhaust tone ideal for urban commuting or long-distance cruising.

• Valves Open: Unleash a bold, motorsport-inspired soundtrack that transforms your GLB35 into an auditory powerhouse.

Control your exhaust’s personality using the OEM drive mode selector or exhaust button, or opt for the Fi EXHAUST Pro Remote Control System (sold separately) for additional mobile app functionality and manual control.

Performance-Driven Design

• Estimated 5–10% Horsepower Gain with full catless system (includes downpipe + valvetronic catback)

• Custom-engineered muffler internals tuned specifically for the AMG GLB35’s turbocharged engine

• Reduced backpressure, improved throttle response, and exceptional flow dynamics

Catback Exhaust – Non-OPF Version:

• Front Pipe + Mid Pipe + Valvetronic Muffler

• Compatible with OEM electronic valve system
  Part No: MB-253A-CBV
  Remote control module not included.
  Optional Standard Remote Module: R2016OL + OBD-CAB-V

Optional Downpipes (Non-OPF Only):

1. Ultra High Flow Catless Down Pipe – MB-253A-NCAT

2. Sport 200 Cell Catted Down Pipe – MB-253A-CAT200

Please Note:

• Each component of the exhaust system is sold separately for modular configuration.

• This version is intended for Non-OPF vehicles only.

• Actual product appearance may vary depending on year/model or market. Images are for illustration purposes only.

• Exhaust design is subject to ongoing development and updates.

Why Choose Fi EXHAUST?

With cutting-edge valvetronic control, dyno-proven performance gains, and track-tested acoustic tuning, Fi EXHAUST systems bring out the best in your AMG while maintaining daily usability and OEM compatibility. Whether you crave subtle refinement or auditory adrenaline, the Fi EXHAUST system adapts to your style.

Drive dynamic. Sound intelligent. Choose Fi EXHAUST