Mercedes AMG GT Coupé C192: waking up the M177 V8, the complete exhaust system guide

The M177 4.0 twin-turbo V8: the GT goes all-wheel drive

The C192 marks a clean break in the history of the AMG GT. For the first time, the Affalterbach sports car gets AMG Performance 4MATIC+ variable all-wheel drive as standard, its composite aluminium body frees up enough space for a 2+2 cabin, and its architecture is shared with the SL R232. The gearbox is an AMG SPEEDSHIFT MCT 9G, with a multi-plate clutch rather than a torque converter. At the heart of it all sits the M177 4.0 twin-turbo V8, with its turbos nestled in the V, hand-built according to the "One Man, One Engine" principle.

The coupé comes in several power levels: the figures in the table below are those of the GT 63 4MATIC+, with 585 hp and 800 Nm. The V8 is there, but you only hear half of it. The Rog exhaust gives it the room it lacks, without touching the factory electronics.

How the exhaust on your Mercedes-AMG GT63 C192 V8 biturbo is put together

Here is what the Rog exhaust replaces, and where the sound is shaped.

Your Mercedes-AMG GT63 C192 V8 biturbo in figures

On a modern car, an exhaust system first changes the voice, the breathing and the weight at the rear. Power, on the other hand, comes from an ECU remap.

Published factory figures.

Our exhaust systems work perfectly with or without an ECU remap. On your Mercedes-AMG GT63 C192 V8 biturbo, however, we recommend one at an approved tuning centre: it is what lets the engine deliver its full potential.

To be completely transparent: the exhaust alone brings better breathing and sound, while Stage 2 brings the transformation. The AMG V8 is known among tuners for handling power comfortably: with the Rog exhaust and an ECU remap at an approved tuning centre, the resulting figures stay within the working range of an engine designed with headroom.

Configuring your exhaust, step by step

2 choices, in the same order as the product page configurator.

1. 1

   Step 1 of 2: Material: stainless steel or titanium

   Titanium costs more than stainless steel; the price of each version is shown on the product page, in your currency.

   304 stainless steel

   Weight

   Baseline

   Sound

   Full and rounded

   The benchmark for high-end exhausts: tough, corrosion-proof, with a full, rounded sound. The choice of most of our customers.

   Titanium

   Weight

   Around 40% lighter

   Sound

   Metallic, crystal-clear

   Around 40% lighter than stainless steel for the same design, with a more metallic sound that turns crystal-clear at high revs. Its finish ranges from brushed to blued tints.

   Over time, both hold up: 304 stainless steel stands up to winter salt and damp, and titanium does not rust. Stainless steel or titanium: what really changes.

2. 2

   Step 2 of 2: Valves: Rog remote or factory control

   Two ways to control the valves on your Mercedes-AMG GT63 C192 V8 biturbo.

   Rog remote

   

   A small control unit fits in the boot. Two buttons, open and closed: the valves respond at any moment, whatever the drive mode. Simple to fit, and we stay on hand throughout the installation.

   Factory control

   • Only for vehicles fitted with factory valves
   • Controlled by the drive modes

   If your vehicle is fitted with factory valves, the exhaust keeps their existing control. The drive modes decide, just as they did from the factory, with no added electronics.

   On the motorway, with the valves closed, the gases pass through the silencer, designed for cruising: no drone at a steady speed. You open up when you feel like it, not when the motorway decides for you. More about exhaust drone.

The Rog sound signature on the AMG V8

The AMG V8 has a sound identity recognised worldwide: a deep, rolling thunder punctuated by sharp bangs on the overrun. That is precisely what the C192 generation lost as it became more civilised. Our exhaust removes what stifles it and restores that signature in full with the valves open. With the valves closed, the coupé goes back to being the grand tourer it knows how to be, without losing any of its comfort.

From order to fitting

1. Configuration

   You choose your exhaust and enter your VIN, found in box E of your registration document or at the base of the windscreen.

2. Check

   We check compatibility with your VIN before manufacturing begins.

3. Manufacturing

   Your exhaust is made to order, for your car.

4. Delivery

   Free, insured to your door, tracked from dispatch.

5. Fitting

   No welding or cutting: clamps and gaskets, around two hours on a lift.

20 working days from order confirmation to delivery

Warranty

3 years, parts and workmanship, from the date of purchase

Payment

Card, PayPal or bank transfer

Installation

At the garage of your choice

What about the manufacturer's warranty on your Mercedes-AMG GT63 C192 V8 biturbo? In Europe, a manufacturer cannot refuse warranty cover simply because a part from another brand has been fitted: it has to prove that the fault comes from that part. Our article on the manufacturer's warranty.

Our recommendations for your Mercedes-AMG GT63 C192 V8 biturbo

• Daily driving

  • Stainless
  • Rog remote

  The best balance of price, sound and comfort.

  View this configuration

• Enthusiast

  • Titanium

  A lighter exhaust, with a more metallic note at high revs.

  View this configuration

• Style

  • Titanium

  An exhaust is seen as much as it is heard.

  View this configuration

And if you are still unsure, that is perfectly normal: it is exactly why we answer every message.

Mercedes-AMG GT63 C192 V8 biturbo: your questions

Further reading

• All Mercedes-AMG exhaust systems
• Mercedes-AMG GT63 / GT63 S X290 4.0 V8 biturbo
• Mercedes-AMG G63 W463A 4.0 V8 biturbo
• Mercedes-AMG GLC63 / GLC63 S X253 4.0 V8 biturbo
• How to pass vehicle inspection with a modified exhaust
• Pop & Bang: how it works, and is it risky?
• Stainless steel or titanium: what really changes
• The 28 brands we cover