Mercedes Sprinter Turbocharger Vacuum Cell – Genuine OEM | VS30 2.0L OM654 Diesel | #6540905300 (2023+)

A failing turbocharger vacuum cell on a VS30 Sprinter removes precise control over the variable geometry turbine — causing the vanes to stick, defaulting the turbo to fixed boost behavior that results in limp mode, under-boost fault codes, and power loss that won't resolve until the actuator is replaced. This is the Genuine Mercedes-Benz OEM turbocharger vacuum cell for VS30 Sprinters equipped with the 2.0L OM654 diesel engine, a direct replacement that restores correct variable geometry turbo vane actuation and full boost control across the RPM range.

What This Part Does

The turbocharger vacuum cell — also called a turbo actuator or wastegate actuator — is the pneumatic or electro-pneumatic device that controls the position of the variable geometry turbine (VGT) vanes inside the turbocharger housing. On the OM654, the ECU commands the vacuum cell to adjust vane position based on engine load, RPM, and boost demand. At low RPM, the vanes close to accelerate exhaust gas flow and spool the turbo quickly, delivering strong low-end torque. At high RPM and load, the vanes open to prevent over-boost and protect the turbo from excessive shaft speed. When the vacuum cell's diaphragm fails, its actuator rod seizes, or its vacuum supply circuit develops a leak, the vanes lose their ability to move on command — causing the turbo to default to a fixed vane position, triggering under-boost or over-boost conditions, and logging fault codes that put the engine into reduced power mode.

Common Symptoms of a Failing Turbo Vacuum Cell

• Engine entering limp mode with turbocharger-related fault codes stored
• Under-boost or over-boost codes — boost pressure that does not match ECU demand
• Loss of power or sluggish acceleration, particularly at low RPM where VGT benefit is greatest
• Turbocharger vanes confirmed stuck or unresponsive during actuation testing
• Boost performance that improved temporarily after manually freeing stuck vanes — a sign the actuator cannot hold position

When to Replace

Replace when the vacuum cell is confirmed faulty by XENTRY or scan tool with active turbocharger vane position or boost control fault codes, and vacuum supply, solenoid valve, and vane mechanism have been ruled out as the primary fault. Also replace whenever the turbocharger is removed for service — the vacuum cell is easily accessible at that point and replacing it eliminates actuator-related boost faults after reinstallation.

VS30 OM654 Specific — VIN Verification Required

This vacuum cell is for VS30 Sprinters equipped with the 2.0L OM654 diesel engine. It is not compatible with VS30 models equipped with the 3.0L OM642 or NCV3 Sprinters equipped with the 2.1L OM651. Always verify your engine code and VIN before ordering. Contact us and we'll confirm fitment before you buy.

Fitment

• 2023+ Mercedes-Benz Sprinter 1500 – 2.0L OM654 Diesel (VS30)
• 2023+ Mercedes-Benz Sprinter 2500 – 2.0L OM654 Diesel (VS30)
• 2023+ Mercedes-Benz Sprinter 3500 – 2.0L OM654 Diesel (VS30)
• 2023+ Mercedes-Benz Sprinter 3500XD – 2.0L OM654 Diesel (VS30)

Part Numbers

• Mercedes OEM: 6540905300 / A6540905300 / 654-090-53-00
• Manufacturer: Genuine Mercedes-Benz
• SKU: 6540905300OE