ROG stainless steel valved exhaust for Mercedes-AMG C63 W204 6.2 V8 M156

Stainless steel rear silencer of the ROG exhaust for Mercedes-AMG C63 W204 6.2 V8 M156

ROG stainless steel sports exhaust for Mercedes-AMG C63 W204 6.2 V8 M156, laid on the floor

Stainless steel downpipe for Mercedes-AMG C63 W204 6.2 V8 M156 M156

ROG exhaust tips: polished stainless steel, gloss black, carbon and blued titanium for Mercedes-AMG C63 W204 berline 6.2 V8 M156

ROG exhaust valve control kit: control unit, remote and wiring in their case for Mercedes-AMG C63 W204 berline 6.2 V8 M156

ROG remote for opening and closing the exhaust valves for Mercedes-AMG C63 W204 berline 6.2 V8 M156

Diagram of the ROG valved silencer: gas flow with valves open and valves closed for Mercedes-AMG C63 W204 berline 6.2 V8 M156

ROG exhaust system packed in its reinforced shipping box for Mercedes-AMG C63 W204 berline 6.2 V8 M156

Configuration

Mercedes-AMG C63 W204 Valved Exhaust (2011-2015)

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Product variants

Configuration guide

Sound intensity with the valves open, on a scale of 0 to 10.

Configuration	Intensity
Decat front pipes + ROG cat-back	10/10
100-cell sports catalytic converter + ROG cat-back	9/10
200-cell sports catalytic converter + ROG cat-back	8/10
ROG cat-back only, factory catalytic converter retained	7/10
Factory exhaust, for comparison	3/10

Read the guide for this model

The Mercedes-AMG C63 W204 exhaust in detail.

A 6.2-litre naturally aspirated V8 in a compact saloon: the C63 W204 recipe will not come back. The M156, the first engine developed entirely by AMG, revs beyond 7,000 rpm and delivers 457 hp, or 487 hp in Performance form, with 600 Nm. This page covers the W204 saloon from 2011 to 2015; the twin-turbo V8 C63 W205 and the ML63 W164, which also receives a 6.2, have their own page.

With no turbo to filter anything, the exhaust is the 6.2’s instrument. Its song builds with the revs: deep and menacing below 4,000 rpm, increasingly furious up to the red line, with that American V8 tone you recognise from afar. The factory exhaust holds some of it back, precisely at the top. With the valves open, our valved cat-back unleashes that crescendo; with the valves closed, the saloon starts up without waking the street.

Made to your VIN, the system fits with clamps and gaskets, with no welding or cutting, in about two hours. Valve control through the factory system if your C63 has it, otherwise through the Rog remote.

Here, the “Manifold” option concerns the catalysed front section, at the outlet of the V8’s manifolds. On a naturally aspirated engine, its design matters: lengths and geometry affect cylinder filling at high revs, and the gain, real but modest, lies between 3 and 8% with an ECU remap. With a 200-cell converter, it leaves emissions control in place. With the 100-cell, acceptance depends on the car and the rules in your country, and the decat version, reserved for track use, has no place on a road-going saloon. For the cat-back, 304 stainless steel with a round tone, or titanium around 40% lighter, whose metal rings clearer as the V8 approaches the red line.

Mercedes-AMG C63 W204 berline 6.2 V8 M156 exhaust specifications.

System type	Valved cat-back (valve exhaust), built to your VIN
Vehicle and chassis code	Mercedes-AMG C63 W204 saloon
Engine	M156, 6.2-litre naturally aspirated V8, 457 hp or 487 hp (Performance), 600 Nm
Years	2011-2015
Materials and finishes	304 stainless steel or titanium; titanium in brushed, chrome, gold or purple
Valves	Factory valve control if the car has it, otherwise the Rog remote
Front section (option)	Front section with 200-cell or 100-cell catalytic converter, or decat, at the manifold outlets
Fitting	Clamps and gaskets, no welding, about 2 hours
Manufacturing and delivery	Made to order, 20 working days, free delivery
Warranty	3 years, parts and workmanship

Questions about the Mercedes-AMG C63 W204 berline 6.2 V8 M156 exhaust.

Can the C63 C204 coupé or the S204 estate take this system?

The supplier data refers to the W204 saloon from 2011 to 2015; the coupé and estate are not documented. Send us your C63’s VIN before ordering: we check, and we only manufacture once compatibility is confirmed.

Does an ECU remap make sense on the C63 W204’s M156?

On a naturally aspirated engine, gains remain measured: the page publishes 536 hp and 672 Nm at Stage 2, front section included. Fitted alone, the cat-back requires no change of map. You tune an M156 for response and top-end reach more than for lap times.

Is the front section worth it on a C63 W204?

More than on a turbo engine, because the geometry at the engine outlet affects cylinder filling at high revs. Expect 3 to 8% with an ECU remap. Without one, it is mainly the sound that changes.

How should a modified C63 W204 be presented at vehicle inspection?

With the valves closed, the V8 keeps a voice close to stock, and that is how it should be presented. With the cat-back alone or the 200-cell front section, the M156’s gases stay catalysed. The 100-cell depends on the car and the country; the decat version is reserved for track use.

Does the C63 W204’s cold start wake up the neighbourhood?

Not if you keep the valves closed: the 6.2 then wakes with a sound close to standard. You open them once you are out of the street, with a button on the Rog remote or via the factory control.

ROG expert guide

Mercedes C 63 AMG W204: bringing out the naturally aspirated 6.2, the complete guide

The C 63 W204 is already a cult car: the naturally aspirated 6.2 in a compact saloon, a recipe that will never return. Its value is rising, and every well-maintained example is an investment. On this car, the exhaust decides...

Read the guide for my model Watch the video

In detail

ROG® valved exhaust system — Mercedes-AMG C63 W204 saloon 6.2 V8 M156 (2011–2015)

The C63 W204 is the naturally aspirated 6.2 V8 M156: 457 hp, 487 hp in Performance form, and a climb through the revs that the stock system spends its time smothering. The ROG system replaces it with a valved system you control, without touching the engine or the ECU. Valves closed, you keep the comfortable stock sound. Open, you hear the naturally aspirated V8 climb.

Performance

At ROG we go after the best, which is why we always recommend a remap at an approved centre after fitting. Our systems fit perfectly with or without, but it is with a full remap that your engine will express all of its potential.

457 hp

	Stock	Stage 2 + Reprog
Power	457 hp	536 hp
Torque	600 Nm	672 Nm

Stage 2 + Reprog

PowerStock: 457 hp536 hp

TorqueStock: 600 Nm672 Nm

487 hp

	Stock	Stage 2 + Reprog
Power	487 hp	536 hp
Torque	600 Nm	672 Nm

Stage 2 + Reprog

PowerStock: 487 hp536 hp

TorqueStock: 600 Nm672 Nm

Stage 2 figures, with a full remap.

The Manifold option: what it replaces

Between the engine and our system, one stock part remains, the one that holds the catalytic converter. On a naturally aspirated V8 its design really counts: the lengths and the geometry affect cylinder filling at high revs. The gain is real but modest, 3 to 8 % with a remap. Badly designed, it loses you torque down low. The 200-cell sport catalytic converter retains exhaust after-treatment; the 100-cell version and the catalyst-free variant do not. No component type approval exists for these parts: check the regulations in your country before fitting.

Read the full guide All Mercedes systems All 28 brands

Other versions and closely related engines

See all the Mercedes valved exhaust systems.

Delivery time
Every system is made to order for your vehicle. Allow 20 working days from order confirmation to delivery. A tracking number is sent to you automatically as soon as your order ships.

Shipping method
Signed-for delivery, across Europe and worldwide. Your exhaust arrives protected and insured, right to your door.

Shipping costs
Free, with no minimum order, anywhere in Europe.

No welding
The system fits with high-strength clamps only, with joints guaranteed leak-free. Gas flow is optimised from the very first start-up.

Fitting time
2 hours on average for a well-equipped mechanic. A vehicle lift is recommended.

Warranty
All ROG systems are covered by a 3-year parts and workmanship warranty from the date of purchase.

Valve system
The valves open and close the silencer in real time. Closed, the exhaust stays discreet for everyday driving. Open, the sound is fully unleashed.

Control mode
Chosen when you configure your exhaust.

ROG remote

Open and close in one click, from inside or outside the vehicle. Simple and instant.

OEM integration

Controlled through the vehicle's factory systems: drive modes, steering wheel buttons or engine speed, depending on the model.

Unsure about your configuration?

Talk to our workshop before you order. We know your car.

Contact the workshop +33 7 56 95 95 39

Design

Designed for your vehicle.

Geometry matched to your model, carefully studied bends and precise mounting points. Everything starts with accurate design.
Manufacture

Crafted with precision.

Tube bending, part fitting and TIG welding: every joint receives the same care.
Finishing

Material, elevated.

The finish reveals the character of the metal. Stainless steel or titanium, depending on the options available for your vehicle.
Assembly

Every part in its place.

Components are assembled and adjusted. On valved systems, the mechanism is fitted, set up and tested.
Inspection

Check. Then approve.

Geometry, welds, connections and gas flow: the key points are inspected before shipping.
Shipping

Ready to join you.

Reinforced packaging protects your exhaust in transit. The final step before giving your vehicle a new voice.