Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions

Cleaning the Air Flow Sensor - Mass Air Flow Meter

Model: Mercedes Classe M W163 - Years: 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Part: MAF sensor

See other generations:
Video tutorial

This video demonstrates how to remove and clean the mass air flow sensor. First, locate the sensor and disconnect the connector attached to it, then remove the plastic cover containing the air filter.

Once removed, the mass air flow meter will be in plain view, but to fully remove it, you will need to loosen the clamp securing it to the other air duct. Finally, after extracting the sensor, spray a suitable cleaner on the internal contact within it; this will restore and clean the electrical contacts, ensuring more reliable operation.


Updated on 10 February 2026 by ScegliAuto


Related tutorials

Gear Oil Replacement and Full Maintenance
Gear Oil Replacement and Full Maintenance
Mercedes Classe M (2005-2011 / W164) If you experience gear engagement issues in the automatic gearbox, you need to wash and replace the oil in the gearbox. Lift the vehicle on a ramp. U…
Removal and cleaning of the EGR valve on a Mercedes M-Class
Removal and cleaning of the EGR valve on a Mercedes M-Class
Mercedes Classe M (2011-2018 / W166) Let's see how to clean the EGR valve of a Mercedes Class M: it is considered a complex operation, not suitable for a beginner, and the most difficult…

How to reset the tyre pressure warning light on the Kia Niro EV?

To reset the tyre pressure warning light on the Kia Niro EV, inflate the tyres until they reach the correct pressure value. This value is indicated on the sticker attached to the driver's door pillar. Once the tyres are inflated, turn on the instrument cluster to check that the warning light has completely disappeared from the display. If it is still present, you may need to drive for a few miles to ensure it disappears completely from the screen.

Watch the video!


by ScegliAuto

More videos