Designed for Mercedes-Benz FBS4 vehicles with original Keyless-Go systems. Supports factory door handle sensing, original key retention, and emergency start functionality.

Customers can choose their preferred key style. Supports adding up to 3 additional smart keys while maintaining all original comfort access features.

Note: This product supports key addition only and does not support all keys lost situations.

Mercedes-Benz FBS4 Keyless-Go Touch Handle Solution (FBS4 902)
Product Introduction
This solution is designed for Mercedes-Benz vehicles equipped with the FBS4 (4th Generation Immobilizer) system.

It is specially developed for Mercedes-Benz vehicles from approximately 2015-2023.

Suitable for vehicles equipped with:

# Flat-style Smart Key
# Factory Push Start function
# Door handle touch sensor / Keyless-Go entry function

This solution keeps the original smart entry functions and provides a professional Mercedes-Benz FBS4 key solution for automotive locksmiths and specialists.

Vehicle Requirements
The vehicle must have:

#Mercedes-Benz FBS4 immobilizer system
# Flat-style Smart Key
# Original key with 1 screw inside the rear cover
# Push Start function
# Door handle touch sensor / Keyless-Go entry function

Product Features
1,Supports Original Keyless-Go Touch Handle Function
Fully supports the original smart entry system.

No need to take out the key.

Simply touch the door handle to:

Unlock the vehicle
Enter the vehicle
Keep the original Keyless-Go experience
2, Keep Original Key Without Disassembly
Supports original key installation without opening the key.

Features:

No need to disassemble the original key
No modification to the internal key circuit
Keep all original key functions
 Emergency Start Function
Supports emergency start function.

The original vehicle key can be stored inside the main unit.

If emergency starting is required:

Open the main unit and remove the original key.

The vehicle can then be started using the original key operation.

 Professional Installation Solution
Designed for professional Mercedes-Benz locksmiths.

Advantages:

Easy installation
No complicated wiring required
No modification to the vehicle wiring system
Maintains the original vehicle functions

Compatible Mercedes-Benz Models
Suitable for approximately 2015-2023 Mercedes-Benz FBS4 vehicles, including:

Passenger Cars
C-Class
E-Class
S-Class
CLA
CLS
SLC
SUV Models
GLC
GLE
GLS
Other Models
G-Class
Final compatibility depends on vehicle year, VIN, and vehicle configuration.

Mercedes-Benz FBS4 Solution Comparison
Mercedes-Benz FBS4 solutions are different depending on:

Key type
Vehicle generation
Vehicle year
Push Start function
Keyless-Go door handle function
Please select the correct solution according to your vehicle configuration.

How to Choose the Correct Solution?

Before purchase, please provide:

Mercedes-Benz model
Production year
VIN / chassis number
Original key front and back photos
Door handle touch function confirmation

Our technical team will confirm the correct solution before purchase.

Related Products
Mercedes-Benz FBS4 Solutions:

FBS4 801 Keyless-Go Start Solution 
FBS4 901 Keyless-Go Touch Handle Solution 
FBS4 802 Keyless-Go Start Solution 
FBS4 902 Keyless-Go Touch Handle Solution 
FBS4 803 New Generation Keyless-Go Solution 
FBS4 903 New Generation Keyless-Go Touch Handle Solution
Designed For Professional Users
Suitable for:

✅ Automotive Locksmiths
✅ Mercedes-Benz Specialists
✅ Automotive Electronics Technicians
Package include: