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Akozon Car Engine Computer Board Review: Replacement ECU for S300/S350/R350/E300

CAR ENGINE COMPUTER BOARD STABLE PERFORMANCE REPROGRAM REC|OE|DED MULTIFUNCTION FOR S300 S350 R350 E300
4.6
[Vehicle Compatibility]  Direct replacement for S300/S350/R350/E300; fits 272 and 273 engines. Verify compatibility before purchase.
[Reprogramming Required]  Not plug-and-play; ECU must be reprogrammed and recoded for vehicle integration.
[Advanced Engine Control]  Manages engine operation, communicates with vehicle systems, and offers multiple interfaces.
[Durable Aluminum Housing]  Robust aluminum alloy case and welded circuit board for stable, long-lasting performance.
[OE Number Reference]  Includes OE reference number to confirm exact match with your vehicle requirements.
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Automotive engine control replacement promising stable performance for affected Mercedes-style models. Confidence for owners who need a dependable swap after a burned-out computer board. Does compatibility and the requirement to reprogram and recode fit your workshop's capabilities, and the car's OE reference? Akozon Car Engine Computer Board

⚡ At a Glance
  • Control Capability: Manages the engine's working state and supports multiple vehicle communication interfaces
  • Best for: Owners of S300, S350, R350 or E300 vehicles with 272 or 273 engines and repair garages handling ECU swaps
  • Not ideal for: Users expecting a plug-and-play replacement without reprogramming and recoding

Replacement ECU designed for S300/S350/R350/E300 applications with 272/273 engines. Reprogramming and recoding are required before use.


Stable operation and longevity – Thanks to aluminium alloy housing and welded internal circuit board

Aluminium alloy casing offers robust mechanical protection while a welded internal circuit board reduces vibration-related failures. Together they improve resistance to environmental stress and mechanical shock.

Strong build quality helps the unit remain reliable under typical engine bay conditions, lowering the chance of intermittent faults. Expect a replacement that is designed to withstand long-term use.

Integrated engine control – With multifunction interfaces for vehicle communication

Multiple interfaces allow communication with other vehicle systems and sensors, while control logic manages engine working state. Anti-interference measures help preserve signal integrity in electrically noisy environments.

Clearer system integration helps maintain engine behaviour consistent with original specifications. Workshops can use the interfaces to restore full vehicle functionality after replacement.

Direct fit for specific engines – Thanks to design aimed at 272 and 273 engine families

Unit is produced as a replacement for S300, S350, R350 and E300 variants, explicitly designed around the signal and connector requirements of 272 and 273 engines. An OE number is provided for cross-checking compatibility.

Saves time when sourcing a replacement by matching engine family and model references. Always verify the OE number to ensure correct fitment before installation.

✨ The 4 Key Reasons for Akozon Car Engine Computer Board
  1. Aluminium alloy housing – Durable casing resists heat and mechanical stress over time
  2. Welded internal circuit board – Reduced risk of solder joint failure under vibration
  3. Strong anti-interference capability – Maintains signal integrity in electrically noisy environments
  4. Multiple vehicle interfaces – Eases integration with other control systems during repair
📋 Technical Details at a Glance
  • Category: Automotive Parts and Accessories
  • Applicable models: S300, S350, R350, E300
  • Engine compatibility: Designed for 272 and 273 engines
  • Reprogramming: Reprogramming and recoding required
  • Functionality: Engine control and communication with vehicle systems
❓ Frequently Asked Questions

Q: Is this a plug-and-play ECU?

A: No. Reprogramming and recoding are required, so the unit is not a simple plug-and-play swap.

Q: Which vehicles and engines is it intended for?

A: Designed as a replacement for S300, S350, R350 and E300 applications, specifically for 272 and 273 engine families; verify the OE number before purchase.

Q: What makes it a durable replacement option?

A: Aluminium alloy housing and a welded internal circuit board improve mechanical resilience, and strong anti-interference capability helps maintain stable operation in the vehicle environment.

🏆 Our Verdict

Best suited to vehicle owners and repair garages replacing a burned-out engine computer board on compatible S300/S350/R350/E300 cars. Durable construction, welded internals and multifunction control make it a robust replacement option. While exact costs vary, the solid build and targeted compatibility should deliver good long-term value when the OE match and reprogramming are handled correctly.