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How to Replace the Injectors on a Mercedes

Model: Mercedes Mercedes Various
Part: Fuel injectors

Video tutorial

Release the bonnet using the designated lever and lift it, supporting it with the prop rod. Remove the various wiring and hoses running over the engine as shown in the video. Then, proceed to remove the injection pipes from both the rail side and the injector side.

Now, plug the holes you have opened to prevent dust from entering. Disconnect the connectors attached to the injectors and unscrew the bolt securing each injector.

Remove the injectors and perform the necessary maintenance. Reverse the steps described for reassembly.


Updated on 25 February 2026 by ScegliAuto


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by ScegliAuto

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