• Mercedes-Benz C-Class – W205 Mercedes-Benz S-Class – W222 Mercedes-Benz GLC-Class – X253 Mercedes-Benz GLE-Class Coupe – X292 May also support other DAS4 / FBS4-equipped models Common Symptoms of a Faulty EIS/EZS Key does not turn in ignition No crank / no start condition Intermittent start failure No communication with EIS via diagnostic tools ELV (steering lock) not releasing Vehicle stuck in ignition stage 0
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Remanufactured Mercedes-Benz EIS/EZS Replacement Service – W205 W222 X253 X292 (FBS4 / DAS4)

Remanufactured Mercedes-Benz EIS/EZS Replacement Service – W205 W222 X253 X292 (FBS4 / DAS4)

$750.00 USD
$750.00 USD
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Mercedes-Benz EIS/EZS Replacement Service – W205 W222 X253 X292 (FBS4 / DAS4)

This is a specialized replacement and programming service for your original Mercedes-Benz EIS (Electronic Ignition Switch), also known as EZS. This service supports vehicles with FBS4 / DAS4 systems and helps resolve issues related to no start, key not turning, or lost communication. We retain your original data including VIN, key sync, and immobilizer status to ensure plug-and-play operation.

Supported Vehicle Models & Chassis

  • Mercedes-Benz C-Class – W205
  • Mercedes-Benz S-Class – W222
  • Mercedes-Benz GLC-Class – X253
  • Mercedes-Benz GLE-Class Coupe – X292
  • May also support other DAS4 / FBS4-equipped models

Common Symptoms of a Faulty EIS/EZS

  • Key does not turn in ignition
  • No crank / no start condition
  • Intermittent start failure
  • No communication with EIS via diagnostic tools
  • ELV (steering lock) not releasing
  • Vehicle stuck in ignition stage 0

222-900-54-13  2229003309, 2229003412, 2229005603, 2229007805, 2229008804, 2229009107, 2229009307, 2229009911

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Remanufactured

We rebuild OEM control modules with upgraded components to prevent common failures. Unlike junkyard parts that may fail within months, our modules are thoroughly tested and backed by a 6-month warranty. If it fails under warranty, reprogramming is free.

How It Works

Ship us your faulty module. We extract your original data (VIN, mileage, key codes, calibrations) and transfer it to a remanufactured unit. Your old module is recycled for parts. You receive a plug-and-play replacement ready to install.

What to Expect

✓ Turnaround: 2-3 business days

✓ Warranty: 6 months

✓ Programming: Not required—plug and drive

✓ Core Required: Yes (your original module)

About ECU Maverick — OEM Remanufactured Plug & Play Control Modules

ECU Maverick supplies OEM-quality remanufactured control modules, pre-programmed and ready to install. Based in Fort Myers, Florida, we serve independent repair shops, dealerships, and vehicle owners nationwide.

Every module we sell is thoroughly tested, remanufactured to OEM specifications, and programmed to your specific vehicle. No dealer visits, no additional coding, no hassle, ust plug in and drive.

Vehicles We Support

We stock and program modules for European luxury and performance brands, including BMW, Mercedes-Benz, Audi, Porsche, Land Rover, Bentley, Ferrari, Lamborghini, Maserati, and Aston Martin. We also carry modules for domestic vehicles, heavy equipment, and marine applications.

Why Automotive Repair Facilities and Owners Buy From Us

Plug-and-Play Ready — Every module ships pre-programmed and coded to your VIN. No dealer required.

Fast Shipping — Most orders ship within 2–3 business days. Same-day rush available.

OEM Quality — Remanufactured to original equipment standards with component-level inspection and testing.

Direct Support — Text or call us to speak with a real person. We help you find the right module the first time.

6-Month Unlimited Mileage Warranty — Drive with confidence. Our warranty covers you regardless of how many miles you put on.

Our Commitment

We exist to keep your vehicle out of the dealership and back on the road—with quality parts, transparent pricing, and expert support from start to finish. Every module we sell meets the same standards we'd expect for our own vehicles.