Mercedes-Benz FBS3 Key Programming & Replacement Service | All Models

Mercedes-Benz FBS3 Key Programming Service

Working Key Required – FBS3 Models Only

Our Mercedes-Benz FBS3 key programming service is designed for vehicles equipped with the FBS3 immobiliser system, where the customer already has at least one working key and requires an additional spare key to be programmed.
Using dealer-level Mercedes diagnostic equipment, we securely program and synchronise the new key to the vehicle’s immobiliser system, ensuring full functionality with no warning lights or security faults.

Mercedes FBS3 Models – Guide Only
This service is suitable for many Mercedes-Benz models fitted with FBS3, including (guide only):
AClass (W169, W176)
B-Class (W245, W246)
C-Class (W203, W204)
E-Class (W211, W212)
CLA / CLS (C117, C218)
GLA / GLK
ML / GLE (W164, W166)
Sprinter / Vito (selected FBS3 models)
⚠️ Model list is for guidance only. FBS version and key type are always confirmed before booking.

What’s Included in This Mercedes FBS3 Key Programming Service
Programming of one Mercedes FBS3 spare key
Vehicle must arrive with at least one working key
Secure immobiliser synchronisation

No fault codes or dashboard warnings

Non-invasive, manufacturer-approved process

Professional workshop-based service

Service Requirements
Working Mercedes key required
Vehicle must attend our workshop
Proof of ownership required
Correct FBS3 key must be supplied or purchased
Appointment required
Turnaround Time
Same-day Mercedes key programming available
While-you-wait service (subject to availability)

Important Notes
❌ Not suitable for all keys lost
❌ Not for damaged or faulty keys
This listing covers key programming only unless stated
Compatibility confirmed before work begins
Why Choose Us for Mercedes FBS3 Key Programming?
Mercedes-specific immobiliser specialists
Genuine dealer-level diagnostics
Safe, secure, and compliant programming

Trusted UK automotive electronics professionals

Book Mercedes FBS3 Spare Key Programming
Contact us today to book your Mercedes FBS3 key programming service. Compatibility checks are completed before confirming your appointment.