This Blow Off, or Dump valve, is for the Mercedes 1.6-2.0 Μ270 and Μ274 Turbo engines (DE16LA 1600cc 156PS and DE20LA 2000cc from 156 to257PS as found on many models as A Class W176 (2012-2018), B-Class W246 (2011-2018), CLA Class C117 (2013-2019), GLA Class X156 (2015-2019), GLC Class X253 (2015-2019). This is an electronically controlled bypass valve. It is recommended for any vehicle where the boost pressure has been increased by an ECU software upgrade and for unmodified vehicles operating in warmer climates, as a solution to the many failures that have occurred where the original rubber diaphragm splits,
Forge alternative is a fully engineered solution offering significantly improved reliability. The valve is piston based with no diaphragm to fail, and of all aluminium construction. It replaces the original unit with a pressure/vacuum operated piston valve that still also retains the desirable OEM ECU control over valve actuation.
All parts require for installation are included, together with full installation instructions.
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