This high-quality Teilex automatic transmission control unit is a direct replacement for Mercedes-Benz OEM part number A0002701852, ensuring correct gear selection and reliable transmission operation. This part is also commonly referred to as an inhibitor switch, neutral safety switch, gear selector module, transmission control module, ISM module, or 722.9 intelligent servo module.

Key Features:

  • Direct replacement for OE Mercedes-Benz part number A0002701852 / 0002701852

  • Designed for vehicles equipped with the 7-speed automatic transmission (722.9 / 7G-Tronic)

  • Ensures accurate gear position recognition and communication with the transmission ECU

  • Helps resolve issues such as no gear engagement, incorrect gear display, or limp mode

  • High-quality electronic construction for long service life

  • Plug-and-play replacement (coding or programming may be required after installation)

Compatible With:

  • Mercedes-Benz C-Class (W204) – C180, C200, C220, C250, C300, C350 (2007-2014)

  • Mercedes-Benz C-Class (W205) – C180, C200, C220, C250, C300 (2014-2018)

  • Mercedes-Benz E-Class (W212) – E200, E220, E250, E300, E350, E400, E63 AMG (2009-2016)

  • Mercedes-Benz S-Class (W221) – S320, S350, S400, S450, S500, S550 (2005-2013)

  • Mercedes-Benz S-Class (W222) – S350, S400, S450, S500 (2013-2018)

  • Mercedes-Benz G-Class (W463) – G350, G500, G55 AMG, G63 AMG (2006-2018)

  • Mercedes-Benz GL-Class (X164) – GL350, GL450, GL500, GL550 (2006-2012)

  • Mercedes-Benz GLS-Class (X166) – GLS350, GLS400, GLS500 (2012-2019)

  • Mercedes-Benz GLE-Class (W166) – GLE250, GLE300, GLE350, GLE400, GLE500 (2015-2019)

  • Mercedes-Benz ML-Class (W164) – ML280, ML300, ML320, ML350, ML420, ML500 (2005-2011)

Compatible Engine Codes:

  • OM642, OM651, OM646, M272, M273, M274, M276

Year Range:
2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019

Shipping

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Most orders are processed within 24 hours (Monday to Friday) and shipped via overnight service for small items.

Larger items typically arrive within 1-2 business days.

You'll receive a tracking link as soon as your order is collected for delivery.

✅ Fitment Confirmation


European vehicles can vary significantly by build date, trim level, and factory options.
That’s why we ask for your rego at checkout.

Our team manually verifies every order against official manufacturer parts catalogues to ensure 100% correct fitment before dispatch.

You don’t need to decode VIN numbers or production splits — we handle the technical side for you.
To qualify for our 100% Fitment Guarantee, please provide your rego when ordering.

Orders placed without a rego or VIN cannot be covered under our Fitment Guarantee.

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