Turbocharger MERCEDES Classe E (W211) 420 CDI 314 hp

The Mercedes-Benz OM642 420 CDI 314 hp engine, widely used in commercial and luxury vehicles, demands precise turbocharger performance to maintain its 314 horsepower output. This category focuses on exchange standard turbos designed specifically for this motorization, offering a cost-effective alternative to new units while preserving the engine’s original power delivery and efficiency.

Our range is built in collaboration with leading remanufacturers, who disassemble, inspect, and rebuild turbos to OEM standards before applying advanced coatings and balancing procedures. This process ensures durability and performance parity with new parts, delivered through a wholesale network that prioritizes availability and traceability for professionals.

Professional uses by trade

Whether you are a professional mechanic, a DIY enthusiast, or a fleet manager, selecting the right turbo for the OM642 420 CDI 314 hp requires understanding its role in the engine’s air intake system and the symptoms of failure to watch for.

• Le garagiste independant : Replace a failing turbo with an exchange standard unit to minimize vehicle downtime while offering customers a budget-friendly repair option that restores original performance.
• L'automobiliste depanne : Diagnose a sudden loss of power or excessive exhaust smoke by identifying a faulty turbo, then source a compatible exchange standard unit to get back on the road quickly.
• Le passionne qui fait lui-meme : Swap a worn-out turbo with a remanufactured unit to avoid the high cost of a new part, ensuring the OM642 420 CDI 314 hp regains its factory-level boost and responsiveness.
• Der deutsche Kaeufer (DACH) : Bei einem Defekt des Turboladers am OM642 420 CDI 314 hp lohnt sich der Austausch durch ein generalüberholtes Modell, um die Leistung ohne Neuteilekosten zu sichern und die Zuverlässigkeit zu gewährleisten.
• Le garagiste independant : Use an exchange standard turbo to address a customer’s complaint of whining noises or reduced acceleration, confirming compatibility with the vehicle’s engine code and model year before installation.
• L'automobiliste depanne : Order a turbo for the OM642 420 CDI 314 hp when symptoms like blue smoke or a check engine light appear, ensuring the replacement part matches the engine’s power output and geometry variable settings.
• Der deutsche Kaeufer (DACH) : Ein generalüberholter Turbolader für den OM642 420 CDI 314 hp bietet eine wirtschaftliche Lösung, wenn der Originalturbo durch Verschleiß oder Defekt ausfällt und die Leistung beeinträchtigt.

Range comparison

Below, you will find the exchange standard turbos available for the Mercedes-Benz OM642 420 CDI 314 hp, each listed with its reference and designed to meet the engine’s exacting requirements.

How to choose

Selecting the correct turbo for the OM642 420 CDI 314 hp involves verifying engine compatibility, power output, and the type of variable geometry mechanism installed in your vehicle.

1. Confirm the engine code and model year to ensure the turbo’s geometry and power rating match the OM642 420 CDI 314 hp’s specifications without risking mismatched performance.
2. Check for symptoms like loss of boost pressure, excessive exhaust smoke, or unusual noises, as these often indicate a failing turbo that requires immediate replacement.
3. Verify the turbo’s variable geometry mechanism, as some OM642 engines use different actuator designs that must align with the replacement unit’s configuration.
4. Prioritize turbos from remanufacturers with a track record of consistency, as these units undergo standardized testing to restore original performance levels.
5. For fleets or high-mileage vehicles, choose turbos with reinforced housings and upgraded bearings to extend service life and reduce future failures.
6. Ensure the turbo’s inlet and outlet ports match the vehicle’s exhaust and intake system dimensions to avoid leaks or pressure drops after installation.
7. Select a turbo with a warranty that covers core defects, as this provides additional protection against premature failure in demanding applications.

Storage & logistics

Exchange standard turbos for the OM642 420 CDI 314 hp must be stored in a dry, temperature-controlled environment to prevent moisture damage to the variable geometry components and bearings. For wholesale buyers, we recommend using sealed containers with desiccant packs to maintain the turbo’s condition during transit, especially when ordering in bulk for multiple service bays or fleet maintenance programs.

Since 2026, our team has specialized in sourcing turbos that meet the exacting standards of the OM642 420 CDI 314 hp, ensuring every exchange standard unit delivers the reliability professionals demand without compromising on performance.— autoKUR team

Related categories

Browse our other ranges:

• 400 CDI 260 hp
• 320 CDI 224 hp
• 320 CDI 204 hp
• 280 CDI 190 hp
• 270 CDI 177 hp
• 280 CDI 177 hp

Useful references

For regulatory and sector references, see Reglement (UE) 461/2010 — pieces de rechange et garantie constructeur.