Mercedes-Benz W212 M274 Air Intake Hose A2740900082 - Used Original Parts

Diagnosis and Common Symptoms

From the workshop floor, the M274 engine is notorious for developing cracks in this specific air intake hose. Over time, engine heat and vibration cause the plastic and rubber to become brittle. This leads to unmetered air entering the system post-MAF sensor, or a boost leak from the turbocharger.

The initial signs are subtle: a slight whistle on acceleration or a rougher-than-usual idle. As the crack worsens, the engine control unit will struggle to compensate. You'll get a persistent Check Engine Light with lean mixture fault codes (P0171) or turbo underboost codes (P0299). In severe cases, the vehicle may exhibit significant hesitation, poor fuel economy, and a noticeable loss of power during acceleration as pressurized air escapes. A visual inspection often reveals fine cracks, especially around the flexible joints or connection points.

Introduction

In our line of work, a comeback is the last thing we want. That's why we rely on Genuine parts that fit and function as the factory intended. This Genuine Mercedes-Benz air intake hose has been carefully removed from a donor vehicle and meticulously inspected for the common failure points. We've pressure-tested it to ensure there are no hairline cracks or weak points, guaranteeing it's ready for installation.

Product Details

• Brand: Mercedes-Benz
• Model Compatibility: W212 E-Class with M274 2.0L Turbocharged Engine
• Part Name: Air Intake Hose / Charge Air Pipe
• Condition: Genuine Used (Tested Working)
• Notes: Before installation, always inspect and clean the throttle body and intercooler connection points. Ensure all clamps are torqued correctly to prevent future leaks.