Mercedes Tuning
  • 5% to 20% Fuel Economy increase
  • Up to 20% horsepower increase
  • Up to 30% torque increase
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Mercedes UREA Delete

Interested in giving your diesel engine vehicle a 20% performance increase? What about a 30% improvement in torque? A fuel efficiency improvement by up to 15%?

If you answered “yes” to any of these questions, then it’s time to seriously consider disabling the EGR, DPF and the SCR in your diesel engine. We detail EGR and DPF delete elsewhere on this site, and we’ll take a closer look at SCR delete, also known as UREA delete, here, specifically as it pertains to Mercedes diesel engines.

What is SCR (UREA) Delete?

The SCR, or selective catalytic reduction, is a component that offers active emissions control on diesel engines. It works by injecting a liquid agent into the exhaust of a diesel engine, which is designed to serve as a special catalyst to minimize and lower the amount of nitrogen oxides that enter the environment by converting them into nitrogen, water, and small amounts of carbon dioxide. This liquid catalyst is known as diesel exhaust fluid, or DEF, and it typically consists of a water and UREA blend.

Some common problems associated with the SCR are the additional costs of maintenance and repair work as well as the conditions that need to be met for it to effectively work. UREA systems are prone to corrosion and line and pump blockages, which can put your truck out of business until maintenance is performed. Not to mention, if your vehicle usage is more stop and go, you’re probably not meeting the conditions needed for the UREA system to properly work. Diesel Spec’s UREA delete can prove to be so valuable in rectifying these issues.

Benefits of UREA Delete

In addition to helping improve engine performance, fuel economy, and engine efficiency as we mentioned in the opening, UREA delete is also associated with several other notable benefits:

  • Cost: When you delete the SCR, you no longer need to purchase the DEF to inject into the exhaust.
  • SCR units are problematic and often require repair. Repairs mean downtime, and time is money – especially in agricultural equipment where UREA service has proven to be so valuable. Remove the SCR, you remove any hassle associated with it.

For more information on the full scope of Mercedes diesel engines on which we’re able to perform UREA delete, and to learn more about our industry-leading engine tuning services, contact us today.

Disclaimer

UREA Delete is an Off-Highway Tuning service intended solely for closed-course racing and off-highway driving. It may not be street legal in your province or state, and this service cannot be performed on vehicles registered or certified for highway use. Please check your federal, local, and province laws before purchasing.

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