Step-by-step Installation of the Renntech Stage 3 Kit on Your W205 C63: Cost and Performance Impact

The RENNtech Stage 3 Kit is an excellent upgrade for the W205 C63, enhancing both performance and driving experience. This article provides a detailed, step-by-step guide on how to install the kit, along with information on cost and the performance impact you can expect.

Understanding the RENNtech Stage 3 Kit

The RENNtech Stage 3 Kit is designed to maximize the performance of your W205 C63. It includes various components that work together to increase horsepower, torque, and overall vehicle responsiveness.

Key Components of the Kit

  • High-performance ECU tune
  • Upgraded turbochargers
  • Enhanced intercooler
  • Performance exhaust system
  • Cold air intake system

Tools and Materials Needed

Before starting the installation, ensure you have the following tools and materials ready:

  • Socket wrench set
  • Screwdrivers (flat and Phillips)
  • Torque wrench
  • Jack and jack stands
  • Safety goggles and gloves
  • RENNtech Stage 3 Kit components

Step-by-Step Installation Guide

Step 1: Prepare Your Vehicle

Begin by parking your W205 C63 on a flat surface. Ensure the engine is cool, and disconnect the negative battery terminal to prevent any electrical issues during the installation.

Step 2: Remove the Stock Components

Carefully remove the stock components that will be replaced by the RENNtech Stage 3 Kit. This includes:

  • Stock ECU
  • Factory turbochargers
  • Stock intercooler
  • Factory exhaust system
  • Stock air intake system

Make sure to keep all bolts and screws in a safe place for reinstallation if necessary.

Step 3: Install the New Components

With the stock components removed, it’s time to install the new parts from the RENNtech Stage 3 Kit:

  • Install the upgraded turbochargers and ensure all connections are secure.
  • Mount the enhanced intercooler, making sure to connect all piping properly.
  • Attach the performance exhaust system, ensuring it fits snugly without any leaks.
  • Install the cold air intake system, following the manufacturer’s instructions.
  • Finally, replace the stock ECU with the RENNtech tuned unit.

Step 4: Reconnect the Battery and Test the Installation

Once all components are installed, reconnect the negative battery terminal. Start the engine and check for any unusual noises or leaks. Allow the vehicle to idle for a few minutes, monitoring the performance.

Cost of the RENNtech Stage 3 Kit

The cost of the RENNtech Stage 3 Kit can vary depending on the retailer and any additional installation services you may require. On average, expect to pay between $8,000 to $12,000 for the complete kit and installation.

Performance Impact

After installation, drivers can expect a significant increase in horsepower and torque. The RENNtech Stage 3 Kit typically boosts horsepower to around 700 hp and torque to approximately 700 lb-ft, providing an exhilarating driving experience.

Conclusion

Installing the RENNtech Stage 3 Kit on your W205 C63 is a rewarding project that enhances performance and driving pleasure. By following this step-by-step guide, you can successfully upgrade your vehicle and enjoy the benefits of improved power and responsiveness.