Active adapter to run a bridge-analogue amplifier. mercedes m,gl,r, porsche cayenne, 911

Mercedes/Porsche Active System AdapterActive system adapters retain the function of the amplified factory system. This allows an aftermarket radio to be connected to a system with a factory amplifier while retaining the OEM amplifier and connected speakers by adjusting, matching, or converting the signal source output signals to the OEM amplifier input signal .Depending on the vehicle and the installed OEM amplifier system, various functions such as sound or subwoofer settings may be lost. In individual cases, Depending on the OEM system and the upgraded radio, you may experience increased noise or turn-on or turn-off noise. Check functionality before final installation. Notes: Connector: OEM reinforced MOST system > RCA red/white Connector: loose wires MOST25 amplifier vehicles OEM, Mercedes vehicles with Comand APS NTG2 / NTG 2.5 OEM Sat Nav Mercedes vehicles without Comand 2.0 / 2.5 OEM Sat Nav Mercedes vehicles without D2B Optical Bus Porsche 986 / 911 / 996 vehicles without YAZAKI optical system yellow: +12V power terminal 30 black: GND 31 terminal red: +12V switchable ignition terminal 15/Amp remote control/RCA antenna remote control > output preamplifier retrofit HU fader not supported OEM units > CD changer / TV tuner / telephone module must be bypassed in the MOST ring system Fiber optic connector MOST-ring: 771000-2100 Fiber optic loop (f) MOST-ring: 771000-2001 Make and model: Mercedes A (W169) 10/2004 - 04/2012 Mercedes A (C169) 10/2004 - 04/2012 Mercedes B (T45) 6/2005 - 06/2011 Mercedes C (W203) 02/2004 - 09/2007 Mercedes CLK (W209) 04/2005 - 01/2010 Mercedes GL (X164) 09/2006 - 05/ 2009 Mercedes GL (X164) 05/2009 - 07/2012 Mercedes M (W164) 07/2005 - 04/2008 Mercedes M (W164) 10/2008 - 07/2011 Mercedes ML (W164) 07/2005 - 04/2008 Mercedes ML (W164) 10/2008 - 07/2011 Mercedes R (W251) 09/2005 - 05/2007 Mercedes R (W251) 05/2007 - 05/2010 Porsche 911 (997) 07/2004 - 08/2009 Porsche 911 (977) 08/2008 - 05/2013 Porsche Boxster (987) 10/2004 - 01/2009 Porsche Cayenne (9PA/955) 09/2002 - 12/2006 Porsche Cayenne (9PA/955) 02/2007 - 02/2010 Porsche Cayman (987C) 11/2005 - 01/2008