Milltek Active Valve Control for Mercedes C-Class C63 & C63 S (W205) Saloon 4.0 Bi-Turbo V8 (Non-GPF Equipped Models Only) (2015 onwards) – Switchable Exhaust Volume
This is Milltek's active valve control system for the Mercedes C-Class C63 & C63 S (W205) Saloon 4.0 Bi-Turbo V8 (Non-GPF Equipped Models Only). It adds an electronically-operated valve to an existing Milltek system, opening a second, less restrictive path through the silencer that stays closed for a refined, near-standard tone around town and opens under load or at the press of a button for a louder, more open sound.
It's the option to go for if you want the flexibility to keep the car quiet for early starts and long motorway runs, then switch to the full exhaust note whenever you actually want to hear it, without swapping any hardware.
Specifications
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System Type: Active Valve Control
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Pipe Diameter: 76.2mm (3")
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Valvesonic: Yes
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Fitting Time: approx. 1.5 to 2 hours (Milltek figure)
Fitment
- Mercedes C-Class C63 & C63 S (W205) Saloon 4.0 Bi-Turbo V8 (Non-GPF Equipped Models Only) (2015 onwards)
Not suitable for: Mercedes C-Class C63 GPF models, or any model not listed above.
Installation
Milltek quotes a fitting time of approx. 1.5 to 2 hours. This involves connecting to the car's wiring and exhaust valves, so we recommend fitting by a specialist familiar with the car's electrics.
Upgrade Further
Also available from Milltek for this car: Milltek Downpipes & Cat Bypass Pipes Mercedes C-Class C63 & C63 S W205 Saloon 4.0 Bi-Turbo V8 Non-GPF 15+, Milltek Rear Silencers Mercedes C-Class C63 & C63 S W205 Saloon 4.0 Bi-Turbo V8 Non-GPF 15+.
Will the car be louder all the time?
No. With the valve closed the tone stays close to standard; open it when you want the full exhaust note.
What does it work with?
Milltek notes: "Works with OE Valved Exhaust, Opens Valves 100% when Valve Button Pressed". Check this matches your current exhaust before ordering.
Is this a complete exhaust system?
No. It is designed to be used with the system or factory parts described above, rather than as a complete exhaust on its own.
How long does it take to fit?
Milltek quotes approx. 1.5 to 2 hours.
Is there a warranty?
Yes. Milltek products are covered against defects in materials and workmanship. Contact us with your order number if you have a problem.
