Crankcase Breather Intake Line Assembly 270-090-07-00 for Mercedes-Benz GLA250 CLA250 A-Class B-Class CLA GLA 2013-2020
This fuel line kit is designed for Mercedes-Benz GLA250 CLA250 A-Class B-Class CLA GLA. Fuel lines carry fuel from the tank to the engine under pressure. Over time, rubber lines crack and harden, and metal lines corrode. A leaking fuel line is not just a performance problem — it’s a fire hazard that needs immediate attention.
Vehicle Compatibility
| Application | Details |
|---|---|
| Mercedes | Benz Vehicle |
| Benz Vehicle | See product specifications |
Replaces OEM Part Numbers
2700900700 • A2700900700 • 270-090-07-00
Signs You Need a Replacement
If your equipment is showing any of these symptoms, the fuel line may be the cause:
- Fuel smell inside the cabin or around the engine — diesel or gas leaking from a cracked line
- Visible fuel wet spots or drips — cracked rubber or corroded metal lines
- Engine starving for fuel — air gets into the line through a crack, causing cavitation
- Hard starting after the vehicle sits — fuel drains back through a damaged line
- Rough running or stalling — restricted fuel flow from a collapsed or kinked line
Installation Tips
When replacing fuel lines, use the correct material for the fuel type. Diesel lines need to handle higher pressure and are often reinforced. Gasoline lines must be rated for ethanol blends if applicable. After installation, run the engine and check all connections for leaks at operating pressure. Use new clamps — reusing old clamps on new hose is asking for a slow drip.
Frequently Asked Questions
Will this fit my Mercedes GLA250?
Yes. This part is designed to fit the Mercedes GLA250, CLA250 among other models listed in the compatibility table above. Verify your specific model and engine code before ordering to ensure the correct fit.
Can I cross-reference 2700900700 with A2700900700?
Yes. Both 2700900700 and A2700900700 are interchangeable OEM numbers for this part. They refer to the same component with the same specifications, just different part number revisions. This replacement fits all applications listed for either number.
How do I check if my engine code (GLA250, CLA250) matches?
The engine code is stamped on a metal tag attached to the engine block, usually near the timing belt cover or on the cylinder head. Compare the code you find with the list above. Engine codes are 3 to 6 characters long and use a combination of letters and numbers.
My vehicle is a 2013 model — is it covered?
The compatibility range for this part includes 2013-2020. The 2013 model year falls within this range, but you should still verify the engine code and body type match. Mid-year production changes sometimes mean two vehicles from the same model year use different parts.
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