One problem related to ignition module has been reported for the 2010 Mercury Mariner. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2010 Mercury Mariner based on all problems reported for the 2010 Mariner.
Repeated problems with vehicle not starting. Ford dealer replaced lock module and ignition cylinder. Total cost $526. 50. I purchased vehicle new, and serviced only at Ford dealership.
| Electrical System problems | |
| Car Will Not Accelerate problems | |
| Ignition Module problems | |
| Alternator/generator/regulator problems |