Mercedes-Benz and Volvo won’t be offering Apple’s CarPlay until 2015, 9to5Mac reports. Both carmakers were previously said to include the functionality in car models by the end of this year. While Volvo’s upcoming new XC90 will be able to use the feature, the functionality won’t be included until 2015. Hyundai has yet to incorporate CarPlay into its 2015 Sonata, but a spokesperson said the functionality will indeed be included…