• Mercedes-Benz S500 E500 GL450 V8 M273 ECU/ECM/PCM PROGRAMMING INCLUDED
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Mercedes-Benz S500 E500 GL450 V8 M273 ECU/ECM/PCM PROGRAMMING INCLUDED NEXT DAY AIR RETURN

Mercedes-Benz S500 E500 GL450 V8 M273 ECU/ECM/PCM PROGRAMMING INCLUDED NEXT DAY AIR RETURN

$1,250.00 USD
$1,250.00 USD
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Mercedes-Benz S500 E500 GL450 V8 M273 ECU/ECM/PCM PROGRAMMING INCLUDED

We take care of programming! PLUG & PLAY GUARANTEED!

TURNAROUND: Same day

SHIP YOUR DEFECTIVE PART TO US, WE WILL TAKE CARE OF THE REST.

We require the customer to ship the faulty ECU to us so that we can program our ECU to match your vehicle’s requirements. Please keep in mind that your ECU must communicate; if your ECU is dead or, in other words, does not communicate with the scan tool, additional fees may apply. Please contact us for more details.


Compatible Part Numbers:

  • A2731535179 0261209208
  • A2731532579 0261209125
  • A2731530991 0261209377
  • A2731536691 0261209297
  • A2731535179 0261209288 A003467140
  • A2731536691 0261209290
  • 2739030300 2739020100

Important Notes:

If your ECU is not communicating properly, additional charges may apply. Please contact us for more details.

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High-Quality Aftermarket Module

What You're Getting

Professionally manufactured aftermarket control module, enhanced and tested for optimal performance. These units are carefully reworked to meet or exceed OEM specifications, providing reliable functionality at a fraction of dealer prices.

How It Works

Core Exchange Process

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

What to Expect

Service Details

✓ Turnaround: 2-3 business days

✓ Warranty: 6 months

✓ Programming: Not required—plug and drive

✓ Core Required: Yes (your original module)

Who We Are

ECU Maverick isn't just another ECU repair shop, we're electronics nerds who happen to love cars. We've been reverse-engineering, bench-testing, and fixing control modules that other shops call "unfixable." While most places only reprogram or swap ICs hoping to solve the problem, we go deeper: component-level repair. That means we can actually diagnose and replace individual circuits on your module's board, not just clone data and hope for the best.

We're based in Fort Myers, Florida, and we work with repair shops, dealerships, and vehicle owners across the country. Our specialty? European brands like BMW, Mercedes, Maserati, Ferrari, Aston Martin, Audi, Porsche, and Land Rover — but we also handle domestic vehicles, heavy equipment, and marine electronics. If it has a control module, we've probably fixed it.

What Makes Us Different

Speed. Most jobs ship back within 2-3 business days. Need it faster? Same-day rush service available.

Plug-and-Play. Every module we repair or program is ready to install — no dealer visit, no extra coding. Just plug it in and drive.

Real People. Text us right now and you'll get a reply from an actual human in minutes. No chatbots, no ticket systems, no "please hold."

Honest Expertise. We've invested years into research and reverse engineering. We don't promise miracles — but when others can't solve it, we often can.

Our Mission

Keep you out of the dealership. Save you time and money. Get your vehicle back on the road — fast, reliable, and backed by our 6+ month warranty. Whether you're a professional shop or a vehicle owner, we treat every job like it's our own car on the line.