Mercedes-Benz S350 CarPlay Retrofit Review
Service Price
$115–150
Estimated price · Actual price may vary by shop
Mercedes-Benz S350 CarPlay retrofit: Seamless smartphone integration for navigation and music. Enhances original infotainment.
Why Your Mercedes-Benz S350 Needs a CarPlay Retrofit
Even with a premium vehicle like the 2014 Mercedes-Benz S350, the convenience of modern smartphone integration can be a game-changer. While the factory navigation system is functional, many owners find themselves craving the real-time traffic updates and familiar interfaces of apps like TMAP and KakaoMap. These features, often standard on newer cars, can be effectively added to older Mercedes models through an aftermarket CarPlay module. This review details the experience of upgrading an S350 to enjoy these benefits.
Seamless CarPlay Integration for NTG5 Systems
The Mercedes-Benz NTG5 system, found in the S350, is particularly well-suited for a CarPlay module installation. A significant advantage is the "plug-and-play" wiring, meaning the module can be integrated without modifying or damaging the original wiring harness. This ensures the integrity of your vehicle's existing systems. Before installation, the S350's dashboard was assessed. While the original navigation screen is clear, it lacks the dynamic real-time traffic data provided by smartphone navigation apps. A CarPlay module addresses this directly.
Installation Process: Preserving Original Functionality
The key to a successful upgrade lies in selecting a high-resolution CarPlay module. Lower-quality modules can result in a blurry display, but the unit used in this installation matches the NTG5 monitor's native resolution for a crisp, clear picture. The wiring process involves adding the module without altering the factory setup. The installer carefully disassembled the dashboard panels, a process requiring precision due to the intricate nature of Mercedes-Benz panel mounting. The original navigation harness was inspected, and space for the CarPlay module was confirmed.
Installation Process:
- Careful disassembly of dashboard panels to access the infotainment system.
- Connection of the CarPlay module using plug-and-play wiring, ensuring no original wires are cut or modified.
- Integration of the module within the dashboard for a hidden, clean look.
- Coding adjustments to enable seamless switching between the native system and CarPlay, often via the steering wheel controls or a dedicated button.
- Reassembly of dashboard panels to restore the original appearance.
Enhanced Control and Audio Integration
A major benefit of the CarPlay integration is the continued use of the car's intuitive Jog Dial controller. This allows for navigation through CarPlay menus, including apps like TMAP and KakaoMap, without needing to touch the screen, enhancing safety. By activating the AUX input through coding, audio from navigation prompts and music apps plays directly through the car's superior speaker system. The module was installed discreetly within the dashboard, with all wiring neatly managed to remain hidden. The return (BACK) button function was reprogrammed to switch to CarPlay with a long press (2 seconds) and return to the native system with a short press.
The Aftermath: A Transformed Infotainment Experience
Upon completion, the most striking improvement is the screen clarity. The high-resolution output ensures maps and app interfaces appear as sharp as they do on a smartphone. Unlike lower-resolution alternatives, text and graphics are perfectly legible. The CarPlay interface, displaying TMAP with its live traffic data and smooth KakaoMap operation, seamlessly integrates with the S350's original monitor, matching its visual quality. The Jog Dial allows for effortless zooming and panning of maps, and voice commands are clearly audible through the car's speakers.
Beyond navigation, the system supports popular music streaming apps like Melon and YouTube Music. Users can select tracks and artists using the Jog Dial or voice commands, with audio playing directly through the vehicle's sound system. This significantly reduces the need to interact with the smartphone while driving. The final inspection confirmed a flawless finish, with the dashboard panels perfectly restored and no visible signs of the module installation, preserving the car's original aesthetic.
[MID_BANNER]
Mercedes-Benz S350 CarPlay Retrofit: Is It Worth It?
For owners of the 2014 Mercedes-Benz S350, a CarPlay retrofit offers a significant upgrade to the infotainment system. The ability to use familiar navigation and music apps with the clarity and control of the original system provides a modern driving experience. While the initial cost is a consideration, the enhanced functionality, safety features (like voice control and Jog Dial operation), and seamless integration often make it a worthwhile investment for those who rely heavily on their smartphones for navigation and entertainment. The durability of these aftermarket modules is generally good, provided they are installed correctly by a professional. Maintenance typically involves software updates for the module itself, which are usually straightforward.
Frequently Asked Questions
Q. How much does Android head unit or CarPlay installation cost for a Mercedes-Benz S350?
The installation featured in this review cost approximately $115–150 USD. Typical US installation costs can range from $300 to $800 depending on the module and labor rates.
Q. How long does Android head unit installation take on a Mercedes-Benz S350?
While specific times vary, CarPlay retrofits like this typically take a few hours to complete. Proper installation ensures long-term durability, and maintenance usually involves occasional software updates for the module.
Q. Is a CarPlay or Android Auto upgrade worth it for a Mercedes-Benz S350?
A CarPlay or Android Auto upgrade is highly recommended for S350 owners who frequently use smartphone navigation and music apps. It significantly enhances the infotainment experience by providing familiar interfaces and real-time data on the car's native screen.
Q. How is an Android head unit installed in a Mercedes-Benz S350?
Installation involves carefully accessing the vehicle's infotainment system behind the dashboard panels. A plug-and-play CarPlay module is then connected to the original wiring harness without modification. The module is discreetly housed, and system settings are coded for seamless integration and control via the car's existing buttons and dial.
Q. What is the difference between an Android head unit and a factory infotainment system for a Mercedes-Benz S350?
The factory system offers core functions, while an Android head unit or CarPlay retrofit adds the ability to run smartphone apps like Google Maps, Waze, Spotify, and more directly on the car's screen. This provides access to real-time traffic, updated map data, and a familiar user interface.
Kakao Parts





























