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How to Replace the Spark Plugs in a Mercedes A-Class

Model: Mercedes Classe A W168 - Years: 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
Part: Spark plugs

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Video tutorial

Release the hood from the designated lever, then lift it and secure it with the appropriate prop. Now, you need to remove the entire injection block located under the engine's intake manifold.

You can extract it by gently prying with a screwdriver to release it from its housing. This way, you can remove the bolts securing the entire injector block.

Extract it, and with a socket wrench, you can remove the spark plugs located in each cylinder you have freed. Then, install the new spark plugs and retrace the steps described in reverse.


Updated on 26 February 2026 by ScegliAuto


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How to Reset the Tire Pressure Light on a MG ZS?

On the instrument cluster of the MG ZS, the tire pressure light that appears can be reset by inflating the tires to the correct pressure: this value will be indicated on the sticker attached to the driver's door pillar. Once the tires have been properly inflated, you can turn on the instrument cluster and navigate through the menu until you find the option that indicates tire pressure: if this screen shows the new values, the light will turn off; otherwise, you will need to drive for a few miles so that the sensors can read the new values and turn off the light afterward.

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by ScegliAuto

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