<p>Stop oil leaks, rough idling, and premature engine wear—this <strong>crankcase breather intake line assembly</strong> restores proper crankcase ventilation on your Mercedes-Benz GLA250 and CLA250, keeping the M270 2.0L engine breathing cleanly and running smoothly.</p> <ul> <li>Direct-fit replacement for OEM part number <strong>270-090-07-00</strong> — no trimming, no adapters, no guesswork</li> <li>Engineered with reinforced EPDM rubber and integrated check-valve design to prevent oil vapor recirculation into the intake tract</li> <li>Covers all key model years: GLA250 (X156, 2015–2020), CLA250 (C117, 2014–2019), plus W176 A-Class and W246 B-Class</li> <li>Ships from our Guangzhou warehouse in 2–5 working days — no waiting weeks for OEM backorders</li> </ul>
MOQ
1 Piece
Lead Time
2-5 Business Days
Shipping
120+ Countries
Warranty
3-12 Months
Compatible Brands
| Parameter | Details |
|---|---|
| Part Name | Crankcase Breather Intake Line Assembly |
| Part Number (OEM Reference) | 270-090-07-00, A2700900700, 2700900700, 270 090 07 00, A270 090 07 00 |
| Brand Compatibility | Mercedes-Benz |
| Machine Model Fitment | GLA250 X156 M270 2.0L (2015–2020), CLA250 C117 M270 2.0L (2014–2019), A-Class W176 (2013–2018), B-Class W246 (2012–2019), CLA C117 (2014–2018), GLA X156 (2014–2018) |
| Condition | New Aftermarket |
| Warranty | 3–12 months against manufacturing defects |
| Packaging | Original retail box with protective foam lining |
| Brand | Applicable Models |
|---|---|
| Mercedes-Benz | GLA250 X156 (2015–2020), CLA250 C117 (2014–2019), A-Class W176 (2013–2018), B-Class W246 (2012–2019), CLA C117 (2014–2018), GLA X156 (2014–2018) |
Engine oil contamination, rough idle, and excessive oil consumption often start with a cracked or clogged crankcase breather intake line — yet OEM replacements take weeks and cost 40% more. Many technicians report installing counterfeit hoses that swell under heat, leading to vacuum leaks and repeated engine diagnostics. When your GLA250 or CLA250 sits idle during peak service windows, every hour costs revenue and reputation.
This crankcase breather intake line assembly is engineered to match Mercedes-Benz specifications for flow rate, pressure drop, and thermal resistance — manufactured in ISO 9001-certified facilities and tested for burst pressure and long-term elastomer stability before shipment. With Guangzhou XUNPO’s 10-year global export experience, we supply over 10,000+ SKUs across 8 core categories — including critical engine components like this 270-090-07-00 replacement — ensuring precise fitment for M270 2.0L engines used in high-utilization urban fleet and dealership service environments.
This crankcase breather assembly operates in the engine bay of compact luxury vehicles subjected to stop-start city driving, extended idling, and frequent short-trip cycles — conditions that accelerate moisture buildup and PCV system stress. In port logistics fleets, rental agencies, and municipal vehicle departments, reliable crankcase ventilation prevents oil mist from entering the intake tract and protects turbocharger longevity. The CLA250 crankcase intake line must maintain consistent vacuum integrity across temperature ranges from –25°C to +120°C — making material selection and dimensional accuracy non-negotiable.
The inner liner uses EPDM rubber rated for continuous exposure to hydrocarbon vapors and condensate, resisting swelling and hardening beyond 100,000 km service life. Reinforced braided polyester outer sheath ensures kink resistance during installation in tight engine bays. Dimensional tolerances are held within ±0.3 mm to guarantee secure push-fit connection with OEM mounting points on the valve cover and air intake housing. All hose bends follow exact OEM radius specifications to prevent flow restriction — validated via differential pressure testing at 0.5 bar vacuum. Surface finish is smooth and burr-free to eliminate turbulence-induced pulsation noise in the intake path.
A substandard crankcase breather hose may cost less upfront but risks oil carryover into the intake manifold, fouling spark plugs and triggering misfire codes — leading to $320+ in labor for diagnostic rework and component replacement. Repeated failures also accelerate carbon buildup on intake valves, requiring walnut blasting ($450–$680) far earlier than scheduled. Industry data shows aftermarket parts failing before 25,000 km increase total ownership cost by 2.3× versus OEM-equivalent units. Choosing a verified 270-090-07-00 for GLA250 means avoiding unplanned downtime, meeting Mercedes-Benz maintenance compliance standards, and preserving resale value.
We partner exclusively with ISO 9001-certified factories and perform incoming material inspection on every production batch. Each crankcase breather intake line undergoes 100% functional testing for vacuum integrity and thermal cycling before release. All units carry a 3–12 month warranty covering manufacturing defects — no questions asked. Our 10 years of export experience spans 120+ countries, backed by 20+ technical specialists who verify part compatibility within 2 hours. With 10,000+ SKUs held in our Guangzhou warehouse, this A2700900700 replacement ships in 2–5 working days — no backorders, no delays.
Your GLA250 or CLA250 shouldn’t wait weeks for a simple breather hose. Send us the part number (270-090-07-00), your vehicle model year, and required quantity — we’ll issue a competitive quote within 24 hours. First-time buyers can request a sample for physical validation before bulk ordering. Every day your vehicle remains out of service is lost productivity — act now to restore reliability.
Q: Is this an original Mercedes-Benz part or an aftermarket replacement?
A: This is an OEM-equivalent aftermarket part, produced in ISO 9001-certified facilities to meet Mercedes-Benz engineering specifications for performance and durability.
Q: How do I confirm this fits my specific GLA250 or CLA250?
A: Provide your VIN or full model designation (e.g., GLA250 X156, 2017 model), and our technical team will verify compatibility within 2 hours.
Q: What is the warranty coverage?
A: 3–12 months against manufacturing defects. If failure occurs due to material or workmanship issues, we replace free of charge.
Q: What is the minimum order quantity?
A: 1 piece — no minimums, supporting urgent repairs and sample evaluation.
Q: How fast can you ship?
A: In-stock items ship within 2–5 working days. Express courier delivery options (DHL/FedEx/UPS) are available upon request.
Q: Can I receive a sample before placing a bulk order?
A: Yes — first-time customers may request a sample for physical and functional testing prior to bulk purchase.
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WhatsApp: +86 187 2205 7128 | Email: talos@xunpojx.com
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