What is a PlumBack blow-off valve?

A PlumBack blow-off valve, like this Turbosmart model, recirculates the vented boost pressure back into the intake system. This helps to keep the operation quieter and maintains the air-fuel mixture that the factory computer expects, which can prevent issues.

Is this a direct replacement for the factory blow-off valve on my C63?

Yes, the Kompact EM series is designed to integrate with the factory electronic boost control system. It replaces the stock electronic solenoid, making it a direct fit for the 2015-2021 Mercedes-Benz C63 4.0L (M177).

What else might I need for installation?

While this is a direct replacement for the electronic solenoid, it's always recommended to have tools for accessing the turbocharger plumbing and potentially a way to monitor boost pressure after installation to confirm proper operation.

Turbosmart BOV Kompact EM PlumBack VR29 | TS-0223-1255

Name: Turbosmart 15-21 Mercedes-Benz C63 4.0L (M177) BOV Kompact EM PlumBack VR29
Brand: Turbosmart
SKU: turbosmart-turbosmart-15-21-mercedes-benz-c63-4-0l-m177-bov-kompact-em-plumback--t14-653298
Price: 502.19 USD
Availability: BackOrder

Turbosmart 15-21 Mercedes-Benz C63 4.0L (M177) BOV Kompact EM PlumBack VR29

$502.19

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Turbosmart Kompact EM PlumBack VR29 blow-off valve for 15-21 Mercedes-Benz C63 4.0L (M177).

Key Features

Fits 2015-2021 Mercedes-Benz C63 4.0L (M177).
PlumBack design recirculates vented air for quieter operation and factory ECU compatibility.
Kompact EM series features an electronic solenoid for direct replacement of the stock unit.
Well-built with durable materials for reliable performance under boost.
Helps manage turbocharger boost pressure for smoother operation.

This part is designed for the 2015-2021 Mercedes-Benz C63 with the 4.0L M177 engine. It is not CARB approved and cannot be shipped to California.

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Product Details

If you're looking to fine-tune the boost response on your 2015-2021 Mercedes-Benz C63 with the 4.0L M177 engine, this Turbosmart Kompact EM PlumBack VR29 blow-off valve is a solid option. It's designed to help manage the boost pressure from your turbochargers, ensuring smoother operation and potentially improved throttle response when you lift off the accelerator.

This particular valve is a PlumBack design, meaning it recirculates the vented air back into the intake system. This is often preferred for its quieter operation compared to vent-to-atmosphere valves and helps maintain the air/fuel mixture that the factory ECU expects. The Kompact EM series from Turbosmart uses an electronic solenoid interface, making it a direct replacement for the stock electronic valve, which simplifies installation. It's built with durable materials to handle the pressures and temperatures found in forced induction systems.

When installing this, you'll be replacing the factory electronic boost control solenoid. It's a good idea to have a way to monitor your boost levels after installation to ensure everything is working as intended. This valve is a well-built component from a reputable brand in the performance turbocharger world.