Annette J Rio Rancho , NM May 01, 2017 Appliance: Maytag Self Cleaning Free Standing Electric Range MER5770AAW Maytag Range Mer5770aaw: I had to replace the cooktop of an electric stove. How to replace Cooktop. My son did the replacement. It didn't take him that long but I did not observe him. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes