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The MERCEDES Classe C (W203) 270 CDI 170 hp (125 kW diesel) is covered by 1 exchange-standard reference(s). Check output before displacement: it determines the part.
Engine specification: 2685 cm³, diesel, built from 12/2000 to 02/2007. Matching part number: 711009-5002S (Garrett). Compare with the code stamped on your part.
Other engines of the MERCEDES Classe C (W203): 30 CDI AMG 231 hp, 320 CDI 224 hp, 220 CDI 150 hp. If the code stamped on your part is legible, search by reference remains the safest route. 24-month warranty.
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Frequently asked questions
About this category
The Mercedes-Benz OM646 270 CDI 170 hp turbocharger category addresses a critical need for reliable, cost-effective solutions in diesel engine maintenance. This range serves professional mechanics, DIY enthusiasts, and fleet operators who require parts that restore engine performance without the expense of new OEM components. Here, you will find exchange standard turbos designed for direct fitment, backed by remanufacturing processes that prioritize durability and efficiency.
This range is curated by a specialist wholesaler with over a decade of experience in diesel powertrain components, sourcing turbos from leading remanufacturers to ensure consistent quality across applications. The selection process focuses on compatibility, longevity, and ease of installation, making these turbos a practical choice for workshops and private owners alike.
Professional uses by trade
Different users approach the OM646 270 CDI turbocharger category with distinct priorities, whether it is minimizing repair time, ensuring part authenticity, or maintaining budget constraints. Garages prioritize bulk availability and fast turnaround, while DIY owners seek clarity on fitment and installation steps.
- Le garagiste independant : Replace a failing turbocharger in under two hours by selecting an exchange standard unit that matches the OM646 engine code, avoiding costly downtime for commercial vehicles.
- L'automobiliste depanne : Diagnose a loss of power or blue smoke by identifying the turbocharger as the likely culprit, then order the correct exchange standard unit for a straightforward DIY replacement.
- Le passionne qui fait lui-meme : Source a remanufactured turbocharger with clear installation instructions to restore performance in a weekend project, ensuring the part is compatible with the 270 CDI engine.
- Der deutsche Kaeufer (DACH) : Purchase a turbocharger that adheres to German automotive standards, with documentation confirming its suitability for the OM646 270 CDI 170 hp application, including emissions compliance.
- Le garagiste independant : Stock exchange standard turbos for the OM646 to reduce lead times for customers, leveraging bulk pricing to maintain competitive service rates without sacrificing quality.
- L'automobiliste depanne : Verify turbocharger compatibility by cross-referencing the engine code and vehicle model year, then proceed with a core deposit return to offset the cost of the new unit.
- Der deutsche Kaeufer (DACH) : Choose a turbocharger that includes a warranty covering defects, ensuring long-term reliability for high-mileage diesel engines in commercial or personal use.
Range comparison
The following table compares exchange standard turbos specifically designed for the Mercedes-Benz OM646 270 CDI 170 hp, highlighting key attributes that influence selection for professional and private use.
| Range | Use | Format |
|---|---|---|
| Turbo Garrett 711009-5002S | Direct fit for OM646 engines |
How to choose
Selecting the right turbocharger for the OM646 270 CDI 170 hp requires attention to several critical factors, from engine compatibility to after-sales support. Professionals and private owners alike should evaluate these criteria to ensure a successful installation and long-term performance.
- Verify the engine code and vehicle model year to confirm turbocharger compatibility, as mismatched parts can lead to immediate failure or reduced efficiency.
- Prioritize turbos with a remanufactured CHRA (Center Housing Rotating Assembly) to ensure balanced rotation and consistent boost delivery across the engine's operating range.
- Check the packaging for clear labeling and protective measures, as improper storage or handling can compromise the turbocharger before installation.
- Opt for units that include a core deposit return policy, allowing you to offset the cost of the new turbo by returning the old one for remanufacturing.
- Select turbos from suppliers with a track record in diesel engine components, as experience directly impacts the reliability of the remanufacturing process.
- Ensure the turbocharger is designed for the OM646 270 CDI 170 hp's specific power output, as underpowered units may fail prematurely under load.
- Confirm the availability of technical documentation, such as installation guides or torque specifications, to streamline the replacement process.
Storage & logistics
Exchange standard turbos for the OM646 270 CDI 170 hp must be stored in a climate-controlled environment to prevent moisture damage or corrosion to the CHRA. Bulk packaging should include desiccant packets and protective foam inserts to safeguard the unit during transit or warehouse storage. For garages, organizing turbos by engine code and vehicle model ensures quick retrieval and minimizes the risk of misplacement, while private owners should store the turbo in its original packaging until installation to maintain part integrity.
With over 15 years in diesel powertrain components, our team has seen firsthand how a well-sourced exchange standard turbo can restore an OM646 engine to near-original performance, often at a fraction of the cost of a new unit.— autoKUR team
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Useful references
For regulatory and sector references, see Reglement (UE) 461/2010 — pieces de rechange et garantie constructeur.