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SL550 Weistec: Stage 1 Upgrade

SL550 Weistec: Stage 1 Upgrade | Image 1

The Redline Speed Worx (RSW) Service Team's latest project is the M278 equipped Mercedes Benz SL550, which is receiving a compliment of upgrades from our Performance Partner Weistec Engineering.

Today our Team will be increasing the vehicle HP output to 540HP / 615 TQ via an ECU Upgrade, Spark Plug Upgrade, and High Flow Air Filter Set!

Increase Power without Compromising Reliability

"OUR CLIENTS DEMAND THE MOST. FROM OUR HIGH PERFORMANCE REPUTATION, TO THE RETENTION OF AMENITIES EXPECTED FROM A MERCEDES BENZ. OUR PASSION IS TO PROVIDE YOU WITH THE EXCITEMENT FROM YOUR AMG YOU DESERVE. WELCOME TO WEISTEC ENGINEERING."

M278 ECU Upgrade

As an industry leader in tuning and calibration, Weistec Engineering is proud to introduce the much anticipated ECU tune for the bi-turbo M278 vehicle lineup. After months of painstaking dyno and road tuning, they are proud to introduce the most powerful ECU upgrade ever released for the M278 engine. Fully developed in house, their ECU tune has surpassed the 540 horsepower mark on a completely stock vehicle with no other modifications.

KEY FEATURES:

  • 540 Horsepower
  • 615 Ft-Lbs Torque
  • Eliminate Top Speed Limiter
  • Increased Throttle Response
  • Optimized Boost, Fuel and Spark

Looking to increase the performance of your Mercedes Benz / AMG, contact our experts today. phone

RSW Weistec Engineering Performance Distributor for New Jersey | Image 2

High Flow Air Filter Set, M157 / M278

These Weistec filters are compatible with the 5.5 Biturbo and the 4.7 Biturbo (M157 and M278 engines). When analyzing the factory airbox and flow characteristics we found the placement of the filter in the box to be a significant restriction. Improvements in filter shape and positioning, combined with our very own high flow element provides a significant flow and power increase across all ranges of the engines power band.

For maximum results, the combination of our Weistec ECU flash is recommended.

KEY FEATURES:

  • Adds 5-20 Horsepower
  • Increased Flow Area
  • Optimized Airbox fitment over factory filter
  • Amplifies the performance of your Weistec ECU Tune
  • Set of 2

Weistec M278 Air Filter & Spark Plug Upgrade | Image 3

Spark Plug Set, M157 / M278

Weistec M157 / M278 spark plugs are designed and manufactured for not only high power applications but also factory replacement. The factory iridium plugs do not handle the M157’s high cylinder pressures very well due to the very small electrode tip and frequently result in misfire problems, even on unmodified vehicles.

Our silver core BOSCH spark plugs can support significant increases in power while operating perfectly under normal driving situations. The M157 / M278 spark plugs are also 1 step colder to help prevent pre-ignition in engines that are making more power than stock allowing you to further push the envelope of your vehicle.

KEY FEATURES:

  • Higher Output for High Boost Applications
  • Colder range for better performance with increased horsepower levels
  • Direct replacement / bolt in for M157 / M278 engines
  • Silver core spark plug provides significantly improved performance over iridium
  • Suitable for all M157 / M278 vehicles from stock to highly modified
  • Set of 8

RSW Weistec Certified Installer for SL550 Upgrades| Image 4

The RSW Service Team comprises several Mercedes Benz Certified & Master Certified Technicians. It ensures that all Performance, Service and Repair work done by our technicians is completed at the same if not a higher level of attention to detail then you may see at your local dealership. Our Performance Partnership with Weistec Engineering extends throughout the entire Mercedes Benz and AMG Product lines.

Have questions on a different vehicle or engine platform? Contact our EXPERTS today!

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