Fuel injector MERCEDES Classe E (W212) 200 CDI 136 hp

The Mercedes-Benz OM651 2.1 diesel engine, powering the 200 CDI 136 hp range, demands precision fuel injection to maintain efficiency and emissions compliance. This category provides exchange-standard injectors designed for direct replacement, eliminating the need for costly dealership repairs while preserving original engine performance. Whether you are a professional mechanic or a DIY enthusiast, these components restore power delivery and reduce harmful exhaust emissions without compromising reliability.

Each injector in this range undergoes a rigorous remanufacturing process, where worn components are replaced and calibrated to original specifications. The supply chain leverages wholesale partnerships with leading manufacturers, ensuring consistent availability and competitive pricing for workshops and private buyers alike. This model ensures that even high-mileage engines receive components that meet or exceed factory standards.

Professional uses by trade

Professionals and enthusiasts use these injectors to address common diesel issues such as misfires, excessive smoke, or reduced fuel economy. The right injector restores smooth acceleration and compliance with modern emissions regulations, making it a critical upgrade for aging OM651 engines.

• Independent garage: Replace failing injectors to restore 200 CDI 136 hp performance and avoid costly engine damage.
• Roadside breakdown: Swap a faulty injector on-site to get a stranded vehicle back on the road quickly and safely.
• DIY enthusiast: Install a remanufactured injector to improve fuel efficiency and reduce black smoke emissions.
• Fleet manager: Source bulk injectors to minimize downtime for commercial diesel vehicles in daily operation.
• Classic car restorer: Fit an exchange injector to revive a vintage OM651-powered Mercedes with modern reliability.

Range comparison

Below, you will find a selection of high-pressure diesel injectors compatible with the Mercedes-Benz OM651 2.1 engine, each listed with its reference and intended use case.

How to choose

Selecting the right injector requires attention to compatibility, condition, and intended use. Below are key criteria to guide your choice and ensure long-term reliability.

1. Verify engine code and model year to confirm injector compatibility with your specific OM651 200 CDI 136 hp variant.
2. Inspect the injector’s condition—remanufactured units should show no signs of corrosion or physical damage before installation.
3. Check packaging for tamper-evident seals to ensure the component has not been previously used or contaminated.
4. Confirm the injector’s flow rate matches your engine’s requirements, especially for tuned or modified applications.
5. Prioritize injectors from brands with a track record in diesel fuel systems to deliver consistent performance.
6. Ensure the injector includes a core deposit label for easy return of the old unit and compliance with exchange programs.
7. Review warranty terms—reputable suppliers offer coverage for defects, though installation remains the responsibility of a third party.

Storage & logistics

Proper storage of exchange injectors is critical to maintain their performance. Keep components in a dry, temperature-controlled environment away from direct sunlight and contaminants. Seal packaging should remain intact until installation to prevent moisture ingress or particulate contamination. For bulk orders, use labeled containers with desiccant packs to preserve injector integrity during transit or prolonged storage. Always handle injectors with clean gloves to avoid transferring oils or residues that could affect fuel system cleanliness.

Since 2026, our workshop has relied on these injectors to keep OM651 engines running smoothly, reducing costly callouts and customer complaints with components that meet strict OEM standards.— autoKUR team

Related categories

Browse our other ranges:

• 350 BlueTEC 258 hp
• 350 BlueTEC 252 hp
• 300 BlueTEC 231 hp
• 300 CDI 231 hp
• 300 BlueTEC 211 hp
• 250 BlueTEC 204 hp

Useful references

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