The small compact Ford C-Max has only had two key fobs so far in it’s short life. The smart key fob is an easy battery change, the other requires a bit more work. Both take the small CR2032 battery to replace. Here’s a link to all our Ford key fob battery replacement guides.
| Model | Trims | Generation | Years | Key Fob Type | SubType | Rechargeable? Ease of change | Battery | Buy |
|---|---|---|---|---|---|---|---|---|
| C-Max | 1.0 L Ecoboost, 1.6 L Duratec Ti-VCT, 1.6 L EcoBoost, Hybrid | 2nd | 2013, 2014, 2015, 2016, 2017, 2018, 2019 | Slim Smart Key | No | CR2032 | Check on Amazon | |
| C-Max | 1.0 L Ecoboost, 1.6 L Duratec Ti-VCT, 1.6 L EcoBoost, Hybrid | 2nd | 2013, 2014, 2015, 2016, 2017, 2018, 2019 | Rounded Key | No | CR2032 | Check on Amazon |
How to replace the Ford C-Max Slim Smart key fob battery
The slim smart key fob is a pretty easy replacement. You remove the internal valet key, then pry off the back of the fob to access the CR2032 battery to replace. Here’s my video on how to replace it:
This is the battery for the Ford C-Max smart key fob:
Buy CR 2032 Replacement Battery on Amazon
How to replace the Ford C-Max Rounded key fob battery 2013, 2014, 2015, 2016, 2017, 2018, 2019
The rounded key fob is actually quite easy to change or replace the battery once you know where the notch in the key can be found to separate the two pieces. Here is my video that shows exactly how to do it quickly:
This is the battery for this CMax rounded key fob: