Battery boost for a 2015 Ford Flex
Battery boost for the 2015 Ford Flex: CarmaCars does not do this work itself. Request it and we arrange it with a trusted shop or connect you with one, and we can deliver a rental car to you while yours is in.
- Combined
- 11.6 to 12.7 L/100 km
- Body
- Standard Sport Utility Vehicle

A rental while yours is in the shop
CarmaCars does not do this work; you keep driving while the shop has your car. We deliver a rental to you, by the day, at our usual rates.
The 2015 Ford Flex for battery boost
- Body: standard sport utility vehicle (EPA size class).
2015 Ford Flex: every figure
| Figure | Powertrain 1 | Powertrain 2 | Powertrain 3 |
|---|---|---|---|
| Displacement | 3.5 L | 3.5 L | 3.5 L |
| Cylinders | 6 | 6 | 6 |
| MPG city (US) | 18 | 17 | 16 |
| MPG highway (US) | 25 | 23 | 22 |
| MPG combined (US) | 20 | 19 | 18 |
| MPG combined (Imperial) (converted from the US figure) | 24 | 23 | 22 |
| Fuel cost a year (EPA) (EPA: 15,000 miles at its fuel prices) | US$3,350 | US$3,550 | US$3,700 |
| Fuel cost for 20,000 km (at $1.55 a litre) | $3,596 | $3,752 | $3,938 |
Sources: fuel use, MPG, CO2, electric range, battery, charge time, luggage volume and the annual fuel cost are the US EPA's (fueleconomy.gov). Imperial MPG, litres, inches and pounds are converted from those figures. Figures no free source publishes for this car (power, torque, acceleration, top speed, fuel tank, towing) are left out.
What to check when buying the 2015 Ford Flex
- NHTSA lists 4 recall campaigns for this model year. Ask the seller for proof each one was fixed; a dealer can check it by the VIN.
- Owners filed 114 complaints with NHTSA, most often about back over prevention (33), steering (19) and fuel/propulsion system (18). Have those parts checked before you buy.
| Campaign | Date | Component | Summary |
|---|---|---|---|
| 25V695000 | 2025-10-13 | back over prevention: sensing system: camera | Ford Motor Company (Ford) is recalling certain 2015-2019 Flex, 2015 Explorer, Lincoln MKT, Lincoln MKZ, 2015-2016 C-Max, Escape, Taurus, 2016 Fusion, 2018-2019 Taurus, 2019 Lincoln MKT, Fiesta, and 2020 Mustang vehicles. The rearview camera may display a distorted, intermittent, or blank image when the vehicle is... |
| 20V072000 | 2020-02-10 | suspension:rear | Ford Motor Company (Ford) is recalling certain 2013-2018 Lincoln MKT and Ford Flex and Taurus vehicles with the Police Interceptor or SHO Performance Pack. The rear suspension toe links may fracture due to stress on the rear suspension. |
| 16V621000 | 2016-08-25 | fuel system, gasoline:delivery:fuel pump | Ford Motor Company (Ford) is recalling certain model year 2013-2015 Ford Taurus, Ford Flex, Lincoln MKS and Lincoln MKT vehicles equipped with 3.5L GTDI Ecoboost engines and 2013-2015 Ford Taurus Police Interceptor vehicles. A component within the fuel pump electric module (PEM) may overheat causing a loss of... |
| 15V464000 | 2015-07-24 | parking brake | Ford Motor Company (Ford) is recalling certain model year 2015 Ford Taurus, Ford Flex, and Lincoln MKS vehicles manufactured May 4, 2015, to May 23, 2015, Lincoln MKT vehicles manufactured May 4, 2015, to May 21, 2015, and 2015-2016 Ford Explorer vehicles manufactured May 4, 2015, to May 23, 2015. The affected... |
Source: NHTSA (US) recall campaigns and owner complaints for this model year.
Battery boost: how we help
CarmaCars does not do mechanical work. For battery service on the 2015 Ford Flex, we connect you with a trusted shop. A slow crank on a cold morning is often the first sign of a tired battery.
About your Flex
The shop may ask for the VIN to order the right parts. Bring the owner's manual or service records if you have them. Your owner's manual lists the maintenance schedule for the Flex. It uses the 3.5L 6-cylinder and front-wheel drive.
How the arrangement works
We pass your request to a trusted shop or give you its name. The shop quotes the job; you approve it before any work. Tell us when suits you, and whether the car can be driven.
Keep moving meanwhile
Keep the rental as long as the repair takes. Rent by the day while the shop has your car. We meet you with the car at the time we confirm, at your address or ours.
A short checklist
Ask the shop to call you before doing anything not on the estimate. Ask what warranty the shop gives on its parts and labour. Keep the invoice; it is part of the car's service history.
Car care, briefly
Check that all lights work every few weeks. If the car pulls to one side, ask the shop to check the alignment and the tires. Listen for new noises and mention them to the shop with as much detail as you can.
Let us know
Ask in your request, and we tell you plainly what we can arrange.
Request battery boost
Tell us when suits you. A person replies within one business day and arranges it with a trusted shop or recommends one; the shop sets its own price and time.
Rent a car while yours is in in Toronto
We have no car while yours is in on the site right now. Request one and we look for it for your dates, or take a similar car that is available now.
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Want this exact car?
Tell us your dates and we look for a car while yours is in for you. Nothing is booked or charged.