For many Mercedes enthusiasts, the CLA45 represents the ultimate small performance vehicle. While the CLA45 is really fast and awesome, the price makes it unobtainable for many people. Luckily, the Mercedes CLA250 is more obtainable, and with the right modifications, it can be an excellent performance vehicle.

Not too surprisingly, Mercedes left a lot of performance on the table for the CLA250 to protect sales of the CLA45. With an ECU tune, it’s easy to uncover this hidden power. By increasing boost, fine-tuning air/fuel ratios, adjusting ignition timing curves, and tuning many other parameters, power can be uncovered. With our VR Tuned ECU flash, you can flash your Mercedes in the comfort of your own driveway.

In the CLA250’s case, our VR Tuned ECU flash increases power output from 211hp to 250hp. Torque is also increased significantly, jumping from 258 lb-ft to 295 lb-ft. The big increase in low-end torque helps the CLA250 pull out of corners and off-the-line much faster, and the increase top-end power lets the CLA250 pull hard all the way to redline. Aside from the increase in power, throttle response, turbo lag, and fuel economy are all improved once the flash is installed.

  • +39hp and +37lb-ft
  • Improved throttle response and fuel economy
  • Increased fuel MPG
  • Can be installed by end-user easily
  • Works with aftermarket modifications

Learn more and order your VR Tuned ECU Flash for Mercedes CLA 250 here

If you have questions, please contact us. You can reach us by phone at 1-480-966-3040 or via email at

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About The Author

Dan Mermelstein - Co-Owner, Blogger, Porsche Enthusiast, VRTuned Marketing and Technical Support. Available to make your car faster!

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