Rough Running Motor/Lack of Power Due to Coil Pack/Ignition Module Failure on Mercedes-Benz CL600

Submitted by Vehicle Owner · May 29, 2025
Published by RepairPal

Problem overview

Engine misfires (rough running) and lack of power are commonly caused by ignition coil pack or ignition module faults. Proper diagnoses should isolate the cause and prevent unnecessary replacement of good parts.

25 people reported this problem
9 comments
Schedule Repair

Search for another problem

RepairPal Car Genius

Ask our experts about your Mercedes-Benz.

RepairPal Car Genius™ is a free resource for vehicle owners seeking advice on maintenance, auto repair, shop inquiries, estimates, and finding a trustworthy repair shop in your area.

 Auto Repair Expert Auto Repair Expert

Call us at 877-913-1554

Available 9am – 6pm ET Monday through Friday

Call Our Experts