Aftermarket Apple CarPlay means you may not have to buy a new car

So far, older Mercedes-Benz to get retrofitted with CarPlay

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It's hard to get excited for Apple CarPlay if you're not in the market for an expensive new car or worse, just bought one, but at least one car manufacturer wants an aftermarket solution.

Mercedes-Benz is said to be looking into CarPlay installations for its older cars, according to 9to5Mac.

This would enable more of the German automaker's cars to take advantage of Siri-prompted calls, texts, music and maps. Third-party apps like Spotify and iHeartRadio are also onboard.

Right now, the German automaker is planning to support Apple's dashboard and ecosystem, formerly known as "iOS in the Car," on its new C-Class vehicles.

There's no word on when older Benzes would receive the infotainment center upgrade or if this will be made available to the carmaker's entire fleet.

Apple CarPlay compatibility

Apple CarPlay is currently slated for the Mercedes-Benz C-Class, Ferrari FF and Volvo XC90 SUV in 2014. All three vehicles were on hand at the Geneva Auto Show this week.

Honda, Hyundai and Jaguar Land Rover are also listed on Apple's website with the promise of having something for sale this year, but none of the car makers have announced their plans.

Apple lists nine more car manufacturers as supporting CarPlay "down the road" including BMW, Ford, General Motors, Kia, Mitsubishi, Nissan, PSA Peugeot Citroën, Subaru and Suzuki.

In addition to needing a CarPlay-equipped car from one of these automakers, a lightning cable-supported iPhone 5S, iPhone 5C or iPhone 5 is required.

Apple could potentially expand CarPlay functionality to older iPhones through Bluetooth, but getting CarPlay into older vehicles is a first and much bigger step to rivaling Google's car plans.