What are spark plugs?
The spark plug is an integral part of the vehicle, allowing it to start and run. The spark plug looks like a long metal bolt threaded at one end. It has an insulated central and ground electrode. The passing of high voltage ignites the spark and starts the vehicle. The spark ignites the compressed air-fuel mixture, initiating combustion and powering the engine.
How to change the spark plugs?
The following steps will enable you to change spark plugs for a Mercedes-Benz C-Class:
Ensure Engine is Cool:
Ensure the engine is cool before starting any works on the spark plugs to avoid injuries/burns.
Locate the Engine Cover:
Locate the engine cover it will have a logo of the vehicle.
Remove the Engine Cover:
Slowly lift the engine cover, this can be done by hand or via screws/clips.
Locate the Spark Plug Wells:
You will now see the spark plug wells under the cover.
Replace the Spark Plugs:
You will need to use a special spark plug tool, i.e. a socket and ratchet. Once the plugs are unscrewed, use a long magnet to pull the plugs up. Make sure nothing falls into the wells. It is advisable to change spark plugs for Mercedes-Benz C-Class with new ones.
Reinstall the Engine Cover:
Once the spark plugs have been replaced, carefully put back the engine cover and make sure it is secure.
Test the Installation:
Once the above is complete, start the vehicle and listen for any noises/issues, if so, contact a specialist. Replacing the spark plugs will ensure the smooth running of the vehicle.
Follow the Mercedes-Benz C-Class’s owner’s manual so that you can identify the correct spark plug type and gap. If you are not confident about replacing the spark plugs, please seek advice from a professional mechanic so that the take is carried out properly without damaging the engine.
Replacing the spark plugs regularly is recommended. This will give greater fuel efficiency and increase engine performance to your Mercedes-Benz C-Class.
Disclaimer
The content provided on this page is intended solely for informational and entertainment purposes only. While we strive to offer accurate and up-to-date information, it’s important to note that the automotive industry is constantly evolving. Therefore, any advice, recommendations, or insights shared here should not be considered professional or definitive. Always consult with certified automotive experts and follow manufacturer guidelines when making decisions or performing maintenance on your vehicle. The author disclaims any responsibility for any actions taken based on the information provided, as individual circumstances may vary.