Mercedes Benz W204 / X204 Remanufactured Electronic Steering Lock (ESL / ELV) + Programming Service

Remanufactured, Pre‑Programmed Electronic Steering Lock (ESL) for Mercedes‑Benz W204 C‑Class, X204 GLK, R172 SLK, W207 Coupe/Convertible, and W212 E‑Class Sedan

This is ideal for those who want to retain original steering lock functionality. If you prefer to eliminate the steering lock completely, consider our ESL emulator.

Common Symptoms of Steering Lock Failure:

• No crank condition
• No dashboard lights when turning the key
• Steering wheel remains locked
• Cluster message: “Remove Key” or “Don’t forget your key”

Common Fault Codes:

• B2254 – Column Lock Module Internal
• A22449 – Ignition Lock Electrical Fault
• A25407 – Mechanical Fault
• A25409 – Component Fault
• A25408 – Signal Fault or Invalid Message
• A25464 – Implausible Signal

This unit is a direct drop‑in replacement—remanufactured, pre‑programmed, and fully bench‑tested for your specific vehicle.

How to Complete Your Purchase

Please follow the steps below to ensure fast and accurate service:

Step 1: Complete Checkout

Add this item to your cart and complete checkout.

Step 2: Remove and Pack Your EIS

Remove the Electronic Ignition Switch (EIS) from your vehicle. Pack your EIS and one working key in a padded box along with a printed copy of your order confirmation.

Step 3: Ship Your Package To:

Y Tech Automotive Solutions
206 Warwick Road North
Lawnside, NJ 08045

Step 4: Send Tracking Information

If using your own shipping method, please email us the tracking number once your package is sent.

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Frequently Asked Questions

Do I need to send all of my key fobs?
No. We only need one working key for testing. The programming process does not affect your existing keys—they will continue to work.

Do I need to send in my old steering lock?
Yes. Your original steering lock must be sent in for this remanufacturing and programming service.

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Compatible Steering Lock Part Numbers

This remanufactured ESL replaces the following part numbers:

• 2049005912
• 204900591280
• 2045450632
• 2045455732
• 2045458132
• A2049005912
• A2045450632
• A2045455732
• A2045458132
• A204900591280

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Symptoms & Diagnostic Fault Codes

A failing electronic steering lock may result in:

• No crank condition
• No dashboard lights at startup
• Steering wheel stays locked
• Instrument cluster warnings: “Remove Key” or “Don’t forget your key”

Common diagnostic fault codes include:

• B2254 – Column Lock Module Internal Fault
• A22449 – Ignition Lock Internal Electrical Fault
• A25407 – Mechanical Fault in Steering Lock
• A25409 – Component Fault in Steering Lock
• A25408 – Signal Fault or Faulty Message
• A25464 – Implausible Signal from Steering Lock

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Supported Mercedes-Benz Models

• W204 C-Class: C250, C300, C350, C63 AMG
• X204 GLK-Class: GLK250, GLK350
• R172 SLK-Class: SLK250, SLK350, SLK55 AMG
• W207/A207 E-Class Coupe & Convertible: E350, E550
• W212 E-Class Sedan: E350, E550

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Looking for a Steering Lock Emulator Instead?

Click here for our Plug & Play ESL Emulator solution.

Need EIS or ESL Services for a Different Mercedes Model?

Click here to view all Mercedes-Benz EIS and ESL solutions.