Compare Mercury ESP to the Competition Price and vehicle-component coverage are only two factors out of many you should consider when purchasing an Extended Service Plan. Here's how Mercury ESP compares to other contract providers. Benefit Mercury ESP Other Contract Providers Mercury-backed Yes No Covers related damage Yes Some One deductible per repair visit Yes Some Covers wear and tear failures Yes Some Requires Genuine Mercury Parts Yes No Accepted at 4,600 FLM Dealerships Yes Some