Hella 7.07759.27.0 Mass Air Flow Sensor

Mercedes-Benz Mass Air Flow Sensor

This Hella Mass Air Flow Sensor, part number 7.07759.27.0, is a direct-fit emission control sensor for select Mercedes-Benz applications. It is listed for vehicles using OE No. A2730940948 or A2730940848, depending on model year and engine configuration.

Brand Line: Pierburg distributed by Hella identifies this sensor as part of a Pierburg-supplied product line distributed through Hella channels for OE-style replacement needs.

Key Features

• Mass Air Flow Sensor for Mercedes-Benz engine management systems
• OE reference coverage for A2730940948 and A2730940848 applications
• Hella part number 7.07759.27.0 for catalog matching and service lookup
• Fits a wide range of Mercedes-Benz C-Class, E-Class, ML-Class, GL-Class, and SLK models
• Emission control sensor used to measure incoming air for fuel and drivability control

Detailed Description

Use this Hella MAF sensor to replace a failed or inaccurate air metering unit on Mercedes-Benz vehicles including C300, E350, ML350, GL450, and SLK350 applications. The part number 7.07759.27.0 is cataloged for model years spanning 2005-2015, with fitment tied to the OE numbers listed above. For buyers searching Mercedes-Benz C300 mass air flow sensor, Mercedes-Benz E350 MAF sensor, or Mercedes-Benz ML350 air flow sensor replacement, this listing provides the OE-reference match needed for correct ordering.

Compatible With: Fits 2008-2014 Mercedes-Benz C300, N/A; Fits 2010-2013 Mercedes-Benz S400, N/A; Fits 2007-2012 Mercedes-Benz GL450, N/A; Fits 2006-2011 Mercedes-Benz ML350, N/A; Fits 2005-2011 Mercedes-Benz SLK350, N/A; and additional Mercedes-Benz applications shown in the fitment list.

What It Helps Address

• Rough idle caused by incorrect airflow measurement
• Hesitation or poor throttle response from a failing MAF sensor
• Check engine light related to air metering faults
• Fuel trim issues caused by inaccurate intake air data
• Driveability problems on Mercedes-Benz C-Class, E-Class, ML-Class, and GL-Class models

Installation Notes and Tips

Verify the OE number on the original sensor before ordering, since this part is listed for both A2730940948 and A2730940848 applications. Confirm the connector style, housing shape, and engine-specific fitment against the vehicle VIN for Mercedes-Benz C300, E350, ML350, and related models. Clean intake tract components during replacement to avoid contamination of the new sensor.

Quality Assurance

Hella and Pierburg distributed by Hella identify this as an OE-reference replacement sensor for the listed Mercedes-Benz applications. Part number 7.07759.27.0 is cataloged for fitment verification against the OE numbers shown in the vehicle list.