• Mercedes-Benz ME9.7 Engine Control Unit (ECU) M272 V6 2721535291
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Mercedes-Benz ME9.7 Engine Control Unit (ECU) M272 V6 2721535291

Mercedes-Benz ME9.7 Engine Control Unit (ECU) M272 V6 2721535291

$899.00 USD
$899.00 USD
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Mercedes-Benz ME9.7 Engine Control Unit (ECU) M272 V6 2721535291, 272-153-52-91 
Part Number: 2721535291 | Chassis: W204, W211, W212, X204, R171 

This is a high-performance, brand-new aftermarket ME9.7 Engine Management System engineered for the Mercedes-Benz M272 V6 engine platform. Unlike standard replacement modules that require a virgin state and subsequent SCN (Software Calibration Number) coding via Xentry/DAS, this unit is delivered as a fully configured, plug-and-play solution.

Our team has pre-configured the firmware authorize standard Drive Authorization System (DAS) handshake requirements, eliminating the need for a locksmith or dealership-level programming.

Engineering Specifications

  • Module Type: ME9.7 Engine Control Module (ECM).

  • Condition: 100% Brand New Aftermarket Components (Non-Remanufactured).

  • Hardware Architecture: Built to meet or exceed OEM thermal and vibration tolerance standards.

  • Software Status: Pre-programmed / Plug & Play (No SCN Coding Required).

  • Immobilizer Data: Configured for immediate synchronization with existing EIS/EZS (Electronic Ignition Switch) modules.

Direct Interchange & Cross-Reference

This unit serves as a direct technical replacement for the following Mercedes-Benz OE part numbers:

  • Primary: 272-153-52-91 (2721535291)

  • Superseded/Legacy: 272-153-14-91, 272-153-36-91, 272-153-56-91, 272-153-58-91, 272-153-59-91

  • Remanufactured Variants: 272-153-52-91-80, 272-153-59-91-80, 272-153-52-91-87

Critical Installation Notes

  1. Zero-Point Calibration: While the unit is plug-and-play regarding ignition and fuel mapping, some vehicles may require a basic throttle body relearn or crankshaft position sensor adaptation depending on existing adaptations in your transmission control module (TCM).

  2. Diagnostic Compatibility: Fully compatible with Autel, Snap-On, and Xentry diagnostics for real-time data streaming and fault code clearing.

  3. Hardware Matching: Ensure your vehicle utilizes the M272 V6 engine displacement (2.5L, 3.0L, or 3.5L) prior to installation.

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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.