Is it possible to add turbo to 79 300D non-turbo

Jan 5, 2018

The Benefits of Adding a Turbo to a 1979 300D Non-Turbo

If you own a 1979 300D non-turbo Mercedes-Benz car, you may be wondering if it is possible to add a turbocharger to enhance its performance. In this article, we will explore the possibility and discuss the potential benefits, challenges, and considerations involved in this modification.

1. Enhanced Power and Performance

By adding a turbo to your 79 300D non-turbo, you can significantly increase the power and performance of your vehicle. The turbocharger pressurizes the intake air, allowing larger amounts of air and fuel to be burned in the engine, resulting in improved horsepower and torque. This enhancement can make your car faster and more responsive, especially during acceleration and overtaking.

2. Increased Fuel Efficiency

Contrary to popular belief, turbocharged engines can actually improve fuel efficiency when compared to their non-turbo counterparts. The forced induction provided by the turbocharger allows the engine to extract more energy from each combustion cycle, leading to better fuel economy. Additionally, the increased power output allows the engine to operate more efficiently at lower RPMs, reducing fuel consumption during everyday driving.

3. Improved Engine Longevity

Adding a turbo to your 1979 300D non-turbo can also result in improved engine longevity. The turbocharger helps to keep the engine operating within its optimal temperature range by efficiently cooling the exhaust gases. This reduces the overall stress on the engine components and can potentially extend their lifespan. Additionally, the increased power output from the turbocharger reduces the load on the engine, leading to less wear and tear during normal driving conditions.

The Challenges and Considerations

While adding a turbo to your 79 300D non-turbo can have numerous benefits, there are also some challenges and considerations that need to be taken into account:

1. Engine Modifications

Adding a turbocharger to a non-turbo engine involves significant modifications to the engine's components. The exhaust manifold, intake system, intercooler, and oil lines all need to be properly installed. It is crucial to ensure that the engine is able to handle the increased pressure and airflow associated with forced induction.

2. Tuning and Engine Management

Once the turbocharger is installed, the engine will require proper tuning and engine management to optimize performance and prevent potential issues. This may involve recalibrating the fuel injection system, adjusting ignition timing, and monitoring boost levels. Professional expertise is highly recommended to ensure the engine runs smoothly and reliably.

3. Cost and Availability

Adding a turbo to a 1979 300D non-turbo involves significant financial investment. The cost of the turbocharger kit, installation, and associated modifications can vary depending on the quality of parts and labor involved. Additionally, availability of specific kits for older car models like the 79 300D non-turbo may be limited, requiring additional research and sourcing.


While it is technically possible to add a turbocharger to a 1979 300D non-turbo Mercedes-Benz car, it is important to carefully consider the benefits, challenges, and costs involved in this modification. The enhanced power and performance, increased fuel efficiency, and improved engine longevity can make the investment worthwhile for enthusiasts looking to unleash the full potential of their vehicles. However, proper engine modifications, tuning, and financial considerations should not be overlooked. If you are interested in pursuing this modification, consult with a professional mechanic experienced in turbocharger installations for tailored advice.

William McCormick
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