Home > Key Programming Tools > 903Terminator Mercedes-Benz FBS4 Keyless-Go Touch Handle Solution 2015–2023 C-Class, GLC, S-Class, CLA, CLS, SLC & G-Class Key Programming Solution

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903 Terminator Mercedes-Benz FBS4 Key Adapter Kit New Generation Keyless-Go Touch Handle Solution 2019+ A-Class, B-Class, GLA, GLB, GLE 、 GLS

Name: 903 Terminator Mercedes-Benz FBS4 Key Adapter Kit New Generation Keyless-Go Touch Handle Solution 2019+ A-Class, B-Class, GLA, GLB, GLE 、 G
Brand: Guangxi Flying Horse Electronics Co.,Ltd.
SKU: FHT-903
Price: 210 USD
Availability: InStock

SKU: FHT-903

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$210.00

For 2019+ Mercedes-Benz MBUX models. Supports original Comfort Access, door handle sensing, Keyless-Go, and emergency start. No need to disassemble the original key. Add up to 3 smart keys with customizable key styles.

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Description

903 Terminator Mercedes-Benz FBS4 New Generation Keyless-Go Touch Handle Solution 2019+ A-Class, B-Class, GLA, GLB, GLE 、 GLS

903 Mercedes-Benz FBS4 Key Addition Solution

For 2019+ Mercedes-Benz MBUX models. Supports original Comfort Access, door handle sensing, Keyless-Go, and emergency start. No need to disassemble the original key. Add up to 3 smart keys with customizable key styles.

Key Addition Only – All Keys Lost Not Supported.

Mercedes-Benz FBS4 New Generation Keyless-Go Touch Handle Solution (FBS4 903)
Product Introduction
This solution is designed for Mercedes-Benz vehicles equipped with the new generation FBS4 (4th Generation Immobilizer) system.

It is specially developed for Mercedes-Benz vehicles from 2019 onwards.

Suitable for vehicles equipped with:

✅ New MBUX large screen system
✅ New generation 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 new generation FBS4 system
✅ New flat-style Smart Key
✅ Original key with 3 screws inside the rear cover
✅ Push Start function
✅ Door handle touch sensor / Keyless-Go entry function

Product Features
✅ 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
✅ 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.

✅ Designed for New Mercedes-Benz Models
Developed specifically for new generation Mercedes-Benz FBS4 systems.

Advantages:

Supports 2019+ FBS4 vehicles
Compatible with MBUX large screen models
Simple installation
No complicated wiring modification
Designed for professional automotive locksmiths

Compatible Mercedes-Benz Models
Suitable for approximately 2019+ Mercedes-Benz FBS4 vehicles, including:

Passenger Cars
A-Class
B-Class
C-Class (Selected models)
E-Class (Selected models)
S-Class (Selected models)
SUV Models
GLA
GLB
GLC (Selected models)
GLE
GLS
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.

Please select the correct solution according to your vehicle configuration.

Solution	Key Type	Vehicle Year	Push Start	Door Handle Touch	Application
FBS4 801	Old-style Smart Key	2012-2018	✅	❌	Smart Key + Push Start without
FBS4 901	Old-style Smart Key	2012-2018	✅	✅	Smart Key + Push Start + Touch
FBS4 802	Flat Smart Key	2015-2023	✅	❌	Flat Key + Push Start without Touch
FBS4 902	Flat Smart Key	2015-2023	✅	✅	Flat Key + Push Start + Touch Handle
FBS4 803	3-Screw Flat Smart Key	2019+	✅	❌	New Generation FBS4 / MBUX
FBS4 903	3-Screw Flat Smart Key	2019+	✅	✅	New Generation FBS4 / MBUX +

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.

Designed For Professional Users
Suitable for:

✅ Automotive Locksmiths
✅ Mercedes-Benz Specialists
✅ Automotive Electronics Technicians

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903 Terminator Mercedes-Benz FBS4 Key Adapter Kit New Generation Keyless-Go Touch Handle Solution 2019+ A-Class, B-Class, GLA, GLB, GLE 、 GLS

For 2019+ Mercedes-Benz MBUX models. Supports original Comfort Access, door handle sensing, Keyless-Go, and emergency start. No need to disassemble the original key. Add up to 3 smart keys with customizable key styles.

Quantity:

CUSTOMER REVIEWS

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903 Terminator Mercedes-Benz FBS4 Key Adapter Kit New Generation Keyless-Go Touch Handle Solution 2019+ A-Class, B-Class, GLA, GLB, GLE 、 GLS

For 2019+ Mercedes-Benz MBUX models. Supports original Comfort Access, door handle sensing, Keyless-Go, and emergency start. No need to disassemble the original key. Add up to 3 smart keys with customizable key styles.

Quantity:

CUSTOMER REVIEWS

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