Mercedes-Benz GLC 300 OEM Options Review: Cost & Results

Adding Convenience: Proximity Keyless Entry for Your Mercedes-Benz GLC 300

Many car owners dream of the convenience of a car that automatically unlocks as you approach and locks as you walk away. For those driving a 2019 Mercedes-Benz GLC 300, this feature, known as Passive Keyless Entry (PKE), might not have come standard. However, it's possible to add this modern convenience without replacing your existing smart key. This review explores the process, benefits, and considerations of retrofitting PKE functionality to your GLC 300, focusing on a specific installation performed in South Korea.

Why Retrofit Proximity Keyless Entry?

Modern vehicles often include PKE as a standard feature, allowing seamless access. For older models or specific trims, like the 2019 GLC 300, manually unlocking and locking the doors can be a hassle, especially when your hands are full with groceries, children, or during inclement weather. The need to fumble for your keys in a pocket or bag is eliminated with PKE. This upgrade aims to bring the convenience of newer vehicles to your existing GLC 300, enhancing the daily driving experience. The installation detailed here was performed on a 2019 Mercedes-Benz GLC 300 in South Korea, addressing the owner's desire for this specific convenience while retaining the original smart key.

How to Add PKE Without Replacing Your Smart Key

The core of this upgrade is to add PKE functionality while keeping your original smart key system intact. This approach avoids the potential costs and compatibility issues associated with replacing the entire key fob or vehicle's central locking system. Instead, a specialized module is integrated into the vehicle's existing electronics. This method offers a smart way to add modern features without disrupting the car's original setup. It's important to note that attempting to replace the smart key itself can be significantly more expensive and may introduce conflicts with the car's factory systems. The method discussed focuses solely on adding the PKE feature.

The Installation Process and Expected Results

The installation involves integrating a PKE activation module into the vehicle. This process requires a deep understanding of automotive electronics to ensure a clean and precise integration, leaving no visible external signs of modification. The system is designed to work seamlessly with the ignition button and the automatic door locking/unlocking functions. The entire installation typically takes around 3 to 4 hours and can usually be completed within a single day. This specialized work requires professional expertise; incorrect installation can lead to vehicle errors or safety concerns. The team performing this work in South Korea emphasized their years of experience and know-how to ensure a safe and flawless upgrade. Once installed, you can expect the convenience of your GLC 300's doors automatically unlocking as you approach and locking as you move away, all without touching your key fob. The integration with the start button also remains smooth, allowing you to start and stop the engine with the push of a button, as usual.

Installation Process:

1. Integration of the PKE module into the vehicle's existing electrical system.
2. Configuration of the module to communicate with the car's door locks and proximity sensors.
3. Testing of the automatic door unlock/lock functionality when approaching and departing the vehicle.
4. Verification of seamless integration with the smart key and push-button start.

The result is a significant enhancement in daily convenience, particularly beneficial when your hands are occupied. The cost for this type of PKE function addition in South Korea typically starts from around 300,000 KRW (approximately $220 USD, subject to exchange rates), depending on the specific vehicle model and year.