2001 Mercedes-Benz C320 (W203) Replacing Spark Plugs

download Step 1. Wait for the engine to cool down and gather listed materials. Working on a hot engine is incred- ibly dumb. Step 2. Open the hood and remove the front panel and airbox. (Fig. 1.) Step 3. Protect the air intake with a cover (I used aluminum foil. (Fig. 2.) Fig. 1. Engine [...]