A faulty coil pack will generally have symptoms similar to a faulty spark plug. Some of the most common tell tale signs that a coil may be defective include: A rough idle A noticeable lack of power A significant drop in RPMs while accelerating for no apparent reason Misfiring A blinking or intermittently activating check engine light Replace your failing or faulty items with these direct replacements. Part also fits* E CLASS 2009 – 2013 1.8, PETROL, A207/C207/W212, 07/09-05/13 C CLASS 2007 – 2011 PETROL, 4CYL, P/N A0001502580 (ENGINE 271), W204, 07/07-05/11 *This is a guide only. If you are unsure if this part is suitable for your vehicle, please contact us and we can confirm prior to your purchase.
