Question about 1997 Mercedes-Benz C-Class
Wrong model designation ali. It's either a c230 or a c280. The 4 cyl 230 spark plugs are located under the red cover on top of the engine. The plugs are down the center of the valve cover under this cover. The coils are on top of the plugs. Remove the cover, coils, and then the plugs. If it's a 280 v6 you have 2 plugs in each cyl. The arangement there is more conventional. The coils are bolter to the valve covers and have short wires to the plugs that are on the side of the motor just below the valve covers. Be careful removing the metal plug connectors. They will pull apart if you try and pull them loose by grabbing the wire. You need plug removal type pliers. Twist the metal end and pull like a mad man, repeat 11 more times! Good luck!
Posted on Aug 03, 2009
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Posted on Jan 02, 2017
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