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Performance

Performance

AMG Turbo Swap M157 to M278

One way to upgrade power on a (non-amg) M278 is to retrofit AMG turbos into the M278 engine. People on MB World report they bolt up directly and just need a tune to work and also routing of liquid cooling. One issue to anticipate is the M157 turbos have coolant […]

Performance

Pulley Upgrade Supercharged / Kompressors

One popular method of increasing performance on Supercharged cars is using a smaller pulley.  The smaller gearing increases the boost provided by the supercharger.  I remember my Dad changing out a SC pulley on a 4.0 or 4.2 SC Jaguar Engine. Nearly every aftermarket tuner offers smaller pulleys. UPD suggests […]

Mercedes Coolant Overflow from Overflow Tank Cap
Cooling

Cooling Upgrades

As Mercedes shifted into forced aspiration engines cooling became an issue intake air temperature (IAT), heat soak, and more were only exacerbated by tuning. Tuning Superchargers or Turbocharged engines often looks at increasing the amount of compressed air into an engine.  Compressing air, as we know physics today, will always […]

Cold Air Intake Riser Cold Air Charge Kit
Air Intake, Performance

Cold Intake Air Spacers

You may have heard about UPD air intake spacers, or Cold air intake (CAI) spacers, or VRP air box risers.  Let’s answer three top questions about them. What are they? In various Mercedes engines the air intake is actually fairly good, especially when blessed by tuners such as brabus.  However, […]