Mercedes GLC 300e Hybrid X253 Coupe Fuel Tank Filler Cap A2174700005

Mercedes GLC 300e Hybrid X253 Coupe Fuel Filler Cap is an original part from the Fuel Filler Flaps and Caps group, designed for the hybrid coupe SUV fuel system of the Mercedes brand. It is responsible for securely closing the filler neck, stabilizing pressure, and ensuring safe operation of the fuel tank during daily driving. This is a practical service solution for users who want to restore full functionality to the refueling system after the original cap has been damaged or worn out.

Specifications and technical data

• SKU: A2174700005
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2174700005
• Substitutable numbers: A2174700005, A 217 470 00 05
• Category: Fuel Tank Caps

Function and Role of the Fuel Filler Cap in the Mercedes GLC 300e

The fuel filler cap in the hybrid Mercedes GLC 300e X253 Coupe plays a crucial role in maintaining the fuel system's seal. A properly selected part:

• limits the evaporation of fuel vapors from the filler neck,
• supports the correct operation of the tank's ventilation system,
• protects against external contaminants,
• prevents accidental opening of the filler neck while driving.

For a hybrid vehicle like the GLC 300e, a properly functioning cap is also important for the stable operation of the fuel system working in conjunction with the electric drive. A functional fuel filler cap helps maintain correct pressure parameters and minimizes the risk of diagnostic errors related to leaks.

Why Choose an Original Mercedes Fuel Filler Cap

For components like the fuel filler cap, proper fitment for a specific model and powertrain version directly impacts safety and user comfort. Using an original solution dedicated to the GLC 300e X253 Coupe ensures:

• precise fit with the fuel filler neck,
• correct compatibility with the factory fuel system,
• compliance with the vehicle manufacturer's requirements.

An original Mercedes fuel filler cap is designed for long-term operation in various road conditions, which is particularly important for vehicles used intensively, both in the city and on long journeys.

Used Condition – A Practical Service Solution

The presented cap comes from the used parts group, offering an advantageous alternative to purchasing a new component while maintaining compliance with factory specifications. Choosing this solution is particularly sensible when:

• the original cap has suffered mechanical damage (e.g., cracking, worn mounting),
• the cap has been lost during refueling,
• messages about improper fuel filler closure appear.

A used OEM part allows for reduced repair costs while maintaining a design consistent with the original Mercedes project, which is important for vehicle diagnostics and subsequent operation.

Selection by OEM Number and Integration with the Fuel System

The selection of a fuel filler cap for the Mercedes GLC 300e X253 Coupe should be based on the OEM number and interchangeable part numbers assigned to this reference. This ensures that the part will be compatible with the specific coupe body version and hybrid powertrain. In practice, this means:

• no installation problems on the filler neck,
• correct closing and locking of the cap,
• maintaining the fuel system's seal according to the manufacturer's design.

If you have doubts about selection, it is advisable to use the OEM part number or consult your vehicle's configuration to avoid installing a component with different characteristics.

Technical Support and Additional Materials

For users who want to better understand the relationships within the fuel system – from the tank, through the pump, to the injectors – a guide describing diagnostics, component selection by VIN/OEM, and operating principles will be helpful. A detailed discussion can be found in the article: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair.

If you are planning a comprehensive repair or upgrade of the fuel filler area in your Mercedes and need other parts from the same group, such as additional caps, flaps, or filler seals, check the available parts in the category Mercedes Fuel Filler Flaps and Caps.