How to Replace a Coil Pack on Mercedes C-Class W203 | Misfire Repair

In this video I show how to diagnose and replace a faulty ignition coil pack on a Mercedes-Benz C-Class W203 2006 that is suffering from an engine misfire. Common symptoms include rough idle, engine shaking, loss of power, poor fuel economy, and the engine management light coming on. I demonstrate how to identify the faulty coil, safely remove the ignition coil pack, inspect the spark plug, and fit the new coil correctly to restore smooth engine operation. This guide applies to Mercedes W203 petrol models, including C180, C200, C230 and C240, with similar ignition systems. WHAT’S COVERED: Common misfire symptoms on W203 models Locating the ignition coil packs Removing the engine cover Replacing a faulty coil pack Checking spark plugs while the coil is removed Clearing fault codes and testing after repair TOOLS & PARTS USED : Replacement ignition coil pack - https://amzn.to/4shfHEg Socket set - https://amzn.to/4qtf5tF Small Torque Wrench - https://amzn.to/4jgm077 OBD diagnostic scanner - https://amzn.to/3N3wPNE Gloves - https://amzn.to/4qmLSQW Torch - https://amzn.to/4jmkOiI HEALTH & SAFETY: Switch off the ignition and allow the engine to cool before starting work. Disconnect the battery if required. Do not pull on wiring connectors. Ensure coils are seated correctly to prevent further misfires. Any work carried out is done entirely at your own risk. AFFILIATE & RESPONSIBILITY DISCLAIMER: Some links in this description may be Amazon affiliate links, meaning I may earn a small commission at no extra cost to you. Any repairs or diagnostics you carry out are done entirely at your own risk. I accept no responsibility for injury, engine damage, electrical faults, or incorrect installation. Always follow Mercedes-Benz manufacturer procedures and specifications. 🔖 Hashtags #mercedes #w203 #misfire #coilpack #ignitioncoil #cclass #maintenance #mechanic