Mercedes-Benz FBS4 EIS EZS Ignition Switch - OEM Replacement
Premium replacement ignition switch module for Mercedes-Benz E-Class, SLK-Class, SLC-Class, and CLA-Class vehicles. This FBS4 EIS (Electronic Ignition Switch) / EZS module is a direct OEM replacement designed to restore your vehicle's ignition system functionality with precision and reliability.
OEM Plug & Play Ready
PLUG & PLAY PROGRAMMING SERVICE INCLUDED!
No Dealer Visit Required • No Additional Programming Fees • Ready to Install
We program the module to YOUR vehicle before shipping - simply mail us your old FBS4 module!
1
Order Your Module
Place your order and provide your vehicle information (VIN, year, model)
2
Mail Your Old Module
Ship your original FBS4 module to us (we'll provide the shipping address)
3
We Program & Ship
We clone your data and program the new module - then ship it back ready to install!
4
Plug & Play
Install the pre-programmed module - your keys will work immediately!
Primary Part Numbers:
- 218-905-46-01 / 2189054601
- 218-905-34-01 / 2189054701
- 218 905 46 01
Additional Compatible Part Numbers:
- 2469055801 / A2469055801 (with rear view camera)
- 2469051502 / 2469051102
- A2469057303 / 2469057303 (without rear view camera)
Other part numbers: 1669052801 A1669052801 166-905-52-00 166-905-01-56, 166-905-01-56-05, 166-905-52-00-05 166-905-27-03 166-905-28-01, 166-905-29-01, 166-905-30-01, 166-905-91-02, 166-905-97-02
1669055200 166-905-52-00 1669050156, 166905015605, 166905520005
166-905-27-03 1669052703 1669052801, 1669052901, 1669053001, 1669059102, 1669059702
Direct OEM replacement for FBS4 system
Programmed plug & play installation
Compatible with 2014-2020 Mercedes-Benz models
Available with or without rear view camera integration
Genuine quality electronic ignition switch module
Restores proper vehicle starting and security functions
No dealer visit or additional programming required
Works with your existing keys immediately
| Year |
Model |
Trim |
Engine |
| 2017-2020 |
SLC300 |
Base |
2.0L L4 Gas |
| 2017-2020 |
SLC43 AMG |
Base |
3.0L V6 Gas |
| 2016 |
SLK300 |
Base |
2.0L L4 Gas |
| 2012-2016 |
SLK250 |
Base |
1.8L L4 Gas |
| 2005-2016 |
SLK350 |
Base |
3.5L V6 Gas |
| 2005-2016 |
SLK55 AMG |
Base |
5.5L V8 Gas |
| 2014-2016 |
E250 Bluetec |
Base / 4Matic |
2.1L L4 Diesel |
| 2006-2016 |
E350 |
Base / 4Matic / Bluetec |
3.0L V6 Diesel, 3.5L V6 Gas/Flex |
| 2013-2015 |
E400 Hybrid |
Hybrid |
3.5L V6 Electric/Gas |
| 2007-2017 |
E550 |
Base / 4Matic |
4.7L V8 / 5.5L V8 Gas |
| 2007-2016 |
E63 AMG / E63 AMG S |
Base / 4Matic |
5.5L V8 / 6.3L V8 Gas |
| 2014-2015 |
CLA 250 |
Base / 4Matic |
2.0L L4 Gas/Flex |
| 2014-2015 |
CLA 45 AMG |
4Matic |
2.0L L4 Gas |
The Electronic Ignition Switch (EIS), also known as EZS (Elektronische Zündschloss), is a critical component in your Mercedes-Benz's electronic security and starting system. This module communicates with your key fob and controls the ignition authorization process, ensuring only programmed keys can start your vehicle.
- Vehicle won't start despite good battery
- "Key not recognized" error messages
- Intermittent starting issues
- Steering wheel remains locked
- Dashboard warning lights related to key system
Pre-Programmed & Ready to Install!
Unlike other sellers who ship unprogrammed modules requiring expensive dealer visits, we provide a complete plug-and-play solution. Simply send us your old FBS4 module, and we'll:
- Clone all your vehicle-specific data
- Program the new module to match your VIN
- Ensure compatibility with your existing keys
- Ship it back ready for immediate installation
No special tools required • No dealer visit • No additional programming fees!
Mail-In Programming Service Details
What You Need to Send:
- Your original FBS4 EIS/EZS module (removed from vehicle)
- Vehicle information (VIN, Year, Model, Trim)
What You'll Receive: Pre-programmed replacement module ready to install - works with your existing keys immediately!
-
System Type: FBS4 (Keyless Go / Electronic Ignition)
-
Programming Service: Included - Pre-programmed to your vehicle
-
Installation Type: Plug & Play (no coding required after programming)
-
OEM Quality: Meets or exceeds original equipment standards
-
Compatibility: Mercedes-Benz E, SLK, SLC, CLA Class (2014-2020)
-
Condition: Remanufactured
Why Choose Our Plug & Play Solution?
Save hundreds of dollars on dealer programming fees! Our mail-in programming service provides you with a professionally programmed, ready-to-install FBS4 module that works with your existing keys immediately upon installation.
Perfect for: DIY mechanics, independent repair shops, and Mercedes owners who want a reliable, cost-effective solution without the hassle of dealer visits.
Please verify your vehicle's year, model, and part number before ordering to ensure compatibility. Contact us if you need assistance confirming fitment for your specific vehicle or have questions about our mail-in programming service.
