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

Replace Injectors on Mercedes A-Class

Model: Mercedes Classe A W169 - Years: 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Part: Fuel injectors

See other generations:
Video tutorial

How to remove the injectors from the Mercedes A-Class? Lift the hood and let's see the disassembly. Remove the engine soundproofing panel, disconnect the electrical terminals connected to the car battery.

After removing the electrical terminals (unbolt them), use the appropriate socket to remove the injectors: unbolt the injectors with a socket wrench and pull them out of the cylinder head. Take the new injectors and insert them into the engine cylinder head using the socket wrench.

Finally, connect the power terminals and reinstall the plastic valve cover panel. Start the engine and test its operation.


Updated on 14 April 2026 by ScegliAuto


Related tutorials

Removing Injectors on Mercedes A-Class
Removing Injectors on Mercedes A-Class
Mercedes Classe A (2004-2012 / W169) .. how to remove the injectors from the Mercedes A-Class. Lift the hood, and remove the engine soundproofing panel. After removing the electrical connectors.. …
Possible Causes of Engine Light Malfunction on the Mercedes A-Class
Possible Causes of Engine Light Malfunction on the Mercedes A-Class
Mercedes Classe A (2004-2012 / W169) .. the engine light malfunction on the Mercedes A-Class. The primary causes could include a faulty injector, a dirty catalytic converter, or a malfunctioning.. …
Where are the fuses located in the Mercedes A-Class?
Where are the fuses located in the Mercedes A-Class?
Mercedes Classe A (2018-2026 / W177) .. of the fuse boxes installed on the Mercedes A-Class serves the purpose of containing the fuses that regulate the operation of the devices installed.. …

Other guides you may be interested in

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