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1 exchange-standard reference(s) match the MERCEDES Classe E Cabriolet (A207) 220 BlueTEC 170 hp (125 kW diesel). Output is the deciding criterion: a part meant for another output of the same displacement will not fit.
Engine specification: 2143 cm³, diesel. Matching part number: R9424A020A (DELPHI). Compare with the code stamped on your part.
Other engines of the MERCEDES Classe E Cabriolet (A207): 350 BlueTEC 258 hp, 350 D 258 hp, 350 BlueTEC 252 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 high-pressure pump category addresses a common failure point in Mercedes 220 BlueTEC 170 hp diesel engines, where loss of pressure leads to reduced power, excessive smoke, or limp-mode activation. This section provides remanufactured pumps in exchange standard condition, compatible with the engine’s fuel delivery system and designed for direct replacement without additional machining. Targeted at independent garages, DIY enthusiasts, and fleet operators, these pumps restore original performance while avoiding the cost and wait times of new OEM units.
Each high-pressure pump in this range is sourced from specialist remanufacturers who disassemble, clean, inspect, and rebuild units to original tolerances using OEM-grade components. The process includes pressure testing and leak checks to ensure reliability, with parts packaged for wholesale distribution to professional workshops and resellers across Europe. This approach bridges the gap between expensive new pumps and unreliable used alternatives.
Professional uses by trade
Different users approach high-pressure pump replacement with distinct priorities: garages prioritize bulk availability and fast turnaround, while DIYers seek clear compatibility and straightforward installation. Fleet managers balance cost with longevity, and German buyers expect precision-engineered parts with documented remanufacturing standards.
- Le garagiste independant : Replace a failing pump in a 2015 Mercedes C-Class 220 BlueTEC 170 hp with a remanufactured unit to avoid costly downtime during peak service periods.
- L'automobiliste depanne : Order an exchange-standard pump for a 2018 Mercedes E-Class 220d to restore power and reduce black smoke from the exhaust system.
- Le passionne qui fait lui-meme : Source a high-pressure pump matching the OM651 engine code to perform a DIY replacement without specialized tools or dealer visits.
- Der deutsche Kaeufer (DACH) : Purchase a remanufactured pump for a Mercedes Vito 220 CDI to comply with local emissions standards and avoid workshop labor costs.
- Le garagiste independant : Stock exchange-standard pumps for Mercedes Sprinter 220 BlueTEC models to offer customers a cost-effective alternative to dealer parts.
- L'automobiliste depanne : Identify the correct pump for a 2016 Mercedes GLC 220d by cross-referencing the engine code and model year before ordering.
- Der deutsche Kaeufer (DACH) : Use a high-pressure pump from a reputable remanufacturer to ensure consistent fuel delivery in cold German winters.
Range comparison
The following table compares remanufactured high-pressure pumps available for the Mercedes 220 BlueTEC 170 hp range, listing each part’s reference, intended use, and packaging format for professional buyers.
| Range | Use | Format |
|---|---|---|
| High-pressure pump DELPHI R9424A020A | DIY installation for C-Class owners |
How to choose
Selecting the right high-pressure pump requires evaluating compatibility, remanufacturing quality, and packaging suitability for your workflow. Professionals should prioritize parts with documented pressure test results and clear OEM cross-references.
- Verify the pump’s compatibility with your Mercedes model and engine code before ordering to avoid mismatched fitments or performance issues.
- Choose pumps remanufactured by specialists with documented pressure testing to ensure consistent fuel delivery and long-term reliability.
- Prioritize bulk packaging for workshops to reduce per-unit costs and streamline inventory management across multiple service bays.
- Select parts with clear OEM cross-references to simplify ordering and reduce the risk of incorrect part selection in high-pressure systems.
- Opt for pumps packaged in protective materials to prevent damage during transit, especially for international shipments to German workshops.
- Ensure the pump’s electrical connectors and mounting points match the original unit to avoid modification or adapter requirements.
- For fleets, select pumps with documented service histories to track usage and plan proactive replacements before failures occur.
Storage & logistics
High-pressure pumps must be stored in a dry, temperature-controlled environment away from direct sunlight to prevent seal degradation or corrosion. Bulk cartons should be stacked on pallets to avoid crushing, and individual units should remain in their original packaging until installation. For German workshops, compliance with DIN standards for storage and handling ensures parts remain in optimal condition for the longest possible shelf life, reducing waste and improving service reliability.
Since 2026, our team has rebuilt thousands of high-pressure pumps for Mercedes 220 BlueTEC engines, focusing on restoring original pressure curves without cutting corners on quality or compatibility.— autoKUR team
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Useful references
For regulatory and sector references, see Reglement (UE) 461/2010 — pieces de rechange et garantie constructeur.
