Fuel Line

Crankcase Breather Intake Line 270-090-07-00 – Scheduled Maintenance for GLA250

Crankcase Breather Intake Line 270-090-07-00, EPDM Liner with Braided Polyester Sheath — replacement for Mercedes-Benz M270 2.0L engines in GLA250, CLA250, A-Class, and B-Class platforms. Scheduled replacement during mid-life service intervals prevents oil vapor contamination and downstream turbocharger damage Inspect alongside PCV valve and intake tract components when breather line shows hardening or cracking under thermal cycling Stocking strategy and replacement interval guidance available for fleet operators managing mixed compact Mercedes-Benz units.

Crankcase Breather Intake Line Assembly 270-090-07-00 Service Part

Crankcase Breather Intake Line Assembly 270-090-07-00 — replacement for Mercedes-Benz M270 2.0L engines in GLA250, CLA250, A-Class and B-Class platforms. Typical replacement node: rubber degradation from sustained engine-bay heat causes cracking and seal loss, often flagged by rising oil consumption or intake contamination during scheduled service inspections Replacing the full assembly rather than the hose alone preserves sealing integrity and avoids repeat teardowns across successive service windows Fleet-level replacement interval guidance included with shipment to support planned maintenance scheduling.

Crankcase Breather Intake Line Assembly 270-090-07-00 – Service Part for Mercedes-Benz M270

Crankcase Breather Intake Line Assembly 270-090-07-00 — aftermarket replacement for Mercedes-Benz M270 2.0L engines, compatible with GLA250 X156, CLA250 C117, A-Class W176, and B-Class W246 platforms. Routes blow-by gases from crankcase to intake, maintaining pressure balance under sustained operation Rubber and plastic joints degrade over time; typical wear signs include hardened tubing, oil seepage at connections, and rough idle Scheduled replacement during fleet maintenance avoids unplanned downtime and secondary seal damage Inspect PCV valve and adjacent intake hoses when swapping this line M270 platform vehicles are entering mid-to-late service life, and this part remains in steady supply for ongoing fleet support.

Crankcase Breather Intake Line Assembly 270-090-07-00 for Mercedes-Benz GLA250, CLA250, A/B-Class

Stop oil leaks, rough idling, and premature engine wear—this crankcase breather intake line assembly restores proper crankcase ventilation on your M270 2.0L engine, just like OEM—but with faster availability and no markup. Fits GLA250 (X156, 2015–2020), CLA250 (C117, 2014–2019), and other M270-powered A/B-Class models—verified against factory service diagrams Uses reinforced EPDM rubber with integrated check-valve geometry to prevent oil vapor recirculation into the intake tract Ships from our Guangzhou warehouse in 2–5 working days—no waiting weeks for backordered OEM parts Includes all mounting clips and sealing o-rings; direct bolt-on replacement for part number 270-090-07-00