1. Fuel Injectors Offers
  2. sku: 16427639767721871
  3. STANDARD PRODUCTS 85HGTBY65

STANDARD MOTOR PRODUCTS 85HGTBY65 Fuel Injector

fits model: C300, C230, E350, Gl550, R350, Ml350, Sl550, Glk350, C350.

85hgtby65 Standard Motor Products Fuel Injector For C300 C230 E350 Gl550 R350 Ml350 Sl550 Glk350 C350

( Brand: Standard Motor Products ), ( Manufacturer Part Number: 85HGTBY65 ), ( Type: Fuel Injector ), ( Fits 1: 2008-2012 Mercedes C300 ), ( Fits 2: 2006-2007 Mercedes C230 ), ( Fits 3: 2006-2008, 2010-2011 Mercedes E350 ), ( Fit Note: Fuel Injector New ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Please Read All Notes To Confirm Fitment ), ( Cs-sku: 400 )

Review STANDARD MOTOR PRODUCTS Fuel Injector fits C300 C230 E350 GL550 R350 ML350 SL550 GLK350 C350

The **Standard Motor 85HGTBY65 Fuel Injector** is a high-performance, precision-engineered component designed to deliver optimal fuel delivery for a wide range of Mercedes-Benz vehicles, including the iconic **C-Class (C300, C230), E-Class (E350), GL-Class (GL550, GLK350, C550), R-Class (R350), ML-Class (ML350), and SL-Class (SL550)** models. Crafted from durable materials, this **direct-injection fuel injector** is built to meet the stringent demands of modern internal combustion engines, ensuring consistent atomization, efficient combustion, and enhanced engine performance. The **85HGTBY65** designation indicates its specific flow rate (measured in cubic centimeters per minute at a given pressure), making it perfectly calibrated for the fuel requirements of these Mercedes-Benz engines, which often utilize **high-pressure direct injection (HPDI) systems** to maximize power and fuel efficiency.

This injector features a **robust ceramic or metal nozzle assembly**, designed to withstand the extreme pressures (typically ranging between **200 to 2,000 bar**) generated by the engine s fuel rail, preventing leaks, clogging, or premature wear. The **precise needle lift mechanism** ensures that fuel is dispersed in a fine mist, promoting complete combustion and reducing emissions while maintaining optimal throttle response. Whether your vehicle is equipped with a **turbocharged inline-6 (M276, M278) or V8 (M177) engine**, this injector is engineered to handle the demands of high-performance driving, whether on the highway or during spirited acceleration.

For Mercedes-Benz owners seeking **replacement or upgrade options**, the **Standard Motor 85HGTBY65** stands out as a **direct drop-in replacement** for OEM injectors, ensuring compatibility without the need for additional modifications. Its **high-quality solenoid valve** guarantees reliable activation, while the **sealed O-ring and precision-machined housing** prevent fuel leaks and contamination, safeguarding the engine s long-term health. Whether you're restoring original performance after a rebuild or upgrading for better fuel economy and power, this injector delivers **consistent, high-precision fuel delivery** a critical factor in maintaining the legendary driving dynamics for which Mercedes-Benz is renowned.

Built to **industry standards**, this injector is also designed for **ease of installation**, featuring a **standard connector interface** that aligns seamlessly with the vehicle s fuel rail system. Its **durable construction** ensures longevity, even under demanding conditions, making it an excellent choice for both **stock and modified applications**. Whether you're a mechanic performing routine maintenance or an enthusiast upgrading your vehicle s fuel system, the **Standard Motor 85HGTBY65 Fuel Injector** provides the **reliability, precision, and performance** needed to keep your Mercedes-Benz running at its best.

### Pros and Cons of Buying a Standard Motor 85HGTBY65 Fuel Injector for Mercedes-Benz Models (C300, C230, E350, GL550, R350, ML350, SL550, GLK350, C350)

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#### **Pros:**

1. **Compatibility with Multiple Models** The 85HGTBY65 injector is designed for Mercedes-Benz engines with a similar fuel system, including the M272 (C300/C230), M276 (E350), and other models with comparable fuel delivery requirements. This makes it a versatile choice for owners of these vehicles.

2. **High Flow Rate (850 cc/min)** The "85" designation indicates a flow rate of 850 cubic centimeters per minute, which is suitable for modern turbocharged engines in these Mercedes models. This ensures adequate fuel delivery under high-load conditions, such as acceleration or towing.

3. **OEM-Quality Replacement** Standard Motor injectors are known for their reliability and durability, often matching or exceeding the performance of original equipment manufacturer (OEM) injectors. They are built to withstand high pressures and temperatures, reducing the risk of failure over time.

4. **Improved Fuel Efficiency and Performance** A properly functioning injector ensures optimal fuel atomization, which can enhance engine efficiency, reduce emissions, and improve throttle response. If your original injectors are worn or clogged, replacing them with a new Standard Motor unit can restore performance.

5. **Warranty Coverage** Standard Motor injectors typically come with a warranty (often 12 24 months), providing peace of mind against defects or premature failure. This is particularly useful if you re unsure about the quality of aftermarket alternatives.

6. **Easy Installation** These injectors are designed to drop-in replace OEM units without requiring extensive modifications. They often include gaskets and mounting hardware, simplifying the installation process for DIY enthusiasts or professional mechanics.

7. **Compatibility with Upgrades** If you ve modified your engine (e.g., added a turbocharger, upgraded intercooler, or tuned the ECU), a high-quality injector like this one can better handle increased fuel demands without failing prematurely.

8. **Reduced Risk of Carbon Buildup** Modern injectors are designed to minimize carbon deposits, which can clog intake valves and reduce engine efficiency. The 85HGTBY65 is engineered to promote cleaner combustion.

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#### **Cons:**

1. **Cost** While not excessively expensive, these injectors are more costly than some budget aftermarket alternatives. For example, a single Standard Motor injector can range from $150 $300, and since Mercedes engines often require multiple injectors (e.g., 4 8 depending on the model), the total cost can add up quickly. This may be prohibitive for owners on a tight budget.

2. **Potential Overkill for Lower-Performance Engines** Some of the listed models (e.g., naturally aspirated C230 or C300) may not fully utilize the 850 cc/min flow rate of this injector. In such cases, a slightly lower-flow injector (e.g., 750 cc/min) might be more appropriate, reducing unnecessary fuel waste and cost.

3. **Requires Professional Installation or Expertise** While the injector itself is straightforward to install, related components like fuel rails, fuel lines, and the ECU may need adjustment or recalibration. Improper installation (e.g., air leaks, incorrect wiring) can lead to performance issues or even damage to the engine management system. If you re not comfortable with fuel system work, professional installation is recommended.

4. **Compatibility with Tuning** If you plan to tune your engine for increased power, you ll need to ensure the ECU is programmed to account for the new injector flow rate. Failure to do so can result in rich or lean fuel mixtures, reducing efficiency or causing damage. Some owners may need to invest in a tuner or have their ECU reprogrammed.

5. **Limited Availability of Spare Parts** While Standard Motor is a reputable brand, some specialized tools or gaskets may be harder to find compared to OEM parts. This could complicate repairs or maintenance down the line.

6. **Potential for Counterfeit Products** As with any aftermarket part, there is a risk of purchasing counterfeit or low-quality injectors masquerading as Standard Motor products. Always buy from authorized dealers or trusted suppliers to avoid this issue.

7. **Fuel System Upgrades May Be Necessary** If your existing fuel system (e.g., fuel pump, fuel rail, or fuel lines) is old or degraded, replacing the injectors alone may not fully resolve performance issues. Upgrading these components simultaneously could increase the overall cost.

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#### **Conclusion:**

The **Standard Motor 85HGTBY65 fuel injector** is a solid choice for owners of the listed Mercedes-Benz models, particularly those with turbocharged or high-performance engines (e.g., GL550, SL550, or tuned C300/E350). Its high flow rate, reliability, and compatibility with modern fuel systems make it a practical upgrade for restoring or enhancing engine performance. However, it may not be the most cost-effective or necessary option for naturally aspirated or lower-performance models, where a slightly lower-flow injector could suffice.

For most turbocharged Mercedes engines in the listed lineup, the benefits such as improved fuel delivery, longevity, and compatibility with upgrades outweigh the drawbacks. The key is ensuring proper installation, ECU calibration (if tuning is involved), and sourcing genuine parts to avoid counterfeit issues.

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#### **Recommendation:**

1. **Verify Compatibility** Confirm that your specific engine variant (e.g., M272 vs. M276) requires an 850 cc/min injector. Consult a Mercedes specialist or your vehicle s service manual if unsure.

2. **Buy from a Trusted Source** Purchase the injector from an authorized Standard Motor dealer or a reputable aftermarket parts supplier (e.g., RockAuto, Amazon, or local Mercedes specialists) to avoid counterfeit products.

3. **Consider a Full Fuel System Refresh** If your fuel pump, fuel lines, or fuel rail are old, replace them alongside the injectors to ensure optimal performance.

4. **Professional Installation** Unless you have experience with fuel systems, have a qualified mechanic install the injectors to avoid air leaks or wiring issues.

5. **ECU Calibration (If Tuning)** If you plan to modify your engine (e.g., add a turbo or tune the ECU), work with a tuner to adjust fuel delivery settings for the new injectors.

6. **Budget for Multiple Injectors** Since Mercedes engines typically require 4 8 injectors, factor in the cost of replacing all of them at once to avoid partial failures.

7. **Monitor Performance Post-Installation** After installation, monitor your engine for smooth operation, proper idle, and no error codes. Address any issues promptly to prevent long-term damage.

**Final Verdict:** For turbocharged or high-performance Mercedes models in your list, the **Standard Motor 85HGTBY65 injector is a worthwhile investment** that can significantly improve fuel delivery, engine life, and performance. For naturally aspirated or lower-output models, a slightly lower-flow injector may be more appropriate. Always prioritize quality installation and compatibility to maximize benefits.

Details:

This reduces the chance of contaminants entering engine. The high-temperature Vito external O-ring enables proper sealing under extreme conditions. Fuel Injector 85HGTBY65 for C300 C230 E350 GL550 R350 ML350 SL550 GLK350 C350: Brand: Standard Motor Products condition: New, Notes new Features: Our injectors undergo rigorous testing, including 35 different tests and inspections, to guarantee precision, performance, reliability every time. Tin-plated brass terminals increase corrosion resistance.

Detailed Applications. Vehicle Engine. Proudly manufactured in the USA. Product Specifications Color/Finish:Black.

Our innovative injector design features an inlet tube strategically placed in the body of assembly.

part #: 85hgtby65 price

  • $98.08

specifications carfuelinjector:

  • for models: C300, C230, E350, Gl550, R350, Ml350, Sl550, Glk350, C350
  • brand: Standard Motor Products
  • mpn: 85hgtby65
  • type: Fuel Injector
  • fits 1: 2008-2012 Mercedes C300
  • fits 2: 2006-2007 Mercedes C230
  • fits 3: 2006-2008, 2010-2011 Mercedes E350
  • fit note: Fuel Injector New
  • manufacturer warranty: 12 Month Warranty
  • attention: Please Read All Notes To Confirm Fitment
  • cs-sku: 400

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  • condition: New
  • Air Fuel Delivery > Fuel Injection Parts > Fuel Injectors

offer carfuelinjector:

  • started: May 12, 2026
  • sold: 0
  • availability: In Stock
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for models: c300, c230, e350, gl550, r350, ml350, sl550, glk350, c350, type: fuel injector, fits 1: 2008-2012 mercedes c300, fits 2: 2006-2007 mercedes c230, fits 3: 2006-2008, 2010-2011 mercedes e350, fit note: fuel injector new, manufacturer warranty: 12 month warranty, attention: please read all notes to confirm fitment, cs-sku: 400,
category: auto parts > air fuel delivery > fuel injection parts > fuel injectors, sku: 16427639767721871,
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  • New. Offer #1 priced at $98.08 + $0.00 shipping estimate = $98.08* total. Color/Finish: Black. Notes Fuel Injector -- new.FREE SHIPPING

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