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BFNG
Part # 1KS1223
4.92,847 verified reviews

Knock Sensor

Fits Mercedes-Benz — 185 vehicle applications

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Contact us at 1-866-461-2787 for pricing

available

Contact us at 1-866-461-2787 for pricing

Call for Price
Free ShippingOrders $99+
WarrantyManufacturer backed
Easy Returns30-day policy

Customer reviews

  • Verified

    “I've been ordering from Autrex for over 2 years now. Their fitment tool is incredibly accurate, and I've never received a wrong part. The prices are competitive and shipping is always fast. Highly recommend!”

    — Michael T., Toronto, ON

  • Verified

    “Had an issue with a brake caliper that turned out to be defective. Their warranty team handled the replacement quickly and professionally. New part arrived in 3 days. This is how customer service should be!”

    — Sarah L., Vancouver, BC

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BFNG 1KS1223 Vehicle Fitment

Fits 185 vehicles

This Knock Sensor fits Mercedes-Benz vehicles.

  • 2024 Mercedes-Benz Maybach S680

  • 2011-2015 Mercedes-Benz SLS AMG

  • 2010-2013 Mercedes-Benz S400

  • 2010-2012 Mercedes-Benz GLK350

  • 2010-2011 Mercedes-Benz ML450

  • 2010-2011 Mercedes-Benz C250

  • 2009-2015 Mercedes-Benz G550

  • 2009-2012 Mercedes-Benz SL63 AMG

  • 2009-2011 Mercedes-Benz SLK300

  • 2008-2015 Mercedes-Benz C63 AMG

  • 2008-2012 Mercedes-Benz C300

  • 2008-2012 Mercedes-Benz GL550

  • 2008-2011 Mercedes-Benz ML550

  • 2008-2010 Mercedes-Benz CL63 AMG

  • 2008-2010 Mercedes-Benz S63 AMG

  • 2007-2012 Mercedes-Benz SL550

  • 2007-2012 Mercedes-Benz GL450

  • 2007-2011 Mercedes-Benz S550

  • 2007-2011 Mercedes-Benz CLS63 AMG

  • 2007-2011 Mercedes-Benz E63 AMG

  • 2007-2011 Mercedes-Benz ML63 AMG

  • 2007-2011 Mercedes-Benz CLS550

  • 2007-2011 Mercedes-Benz E550

  • 2007-2010 Mercedes-Benz CL550

  • 2007-2009 Mercedes-Benz CLK63 AMG

  • 2007-2009 Mercedes-Benz CLK550

  • 2007 Mercedes-Benz R63 AMG

  • 2007 Mercedes-Benz R500

  • 2006-2011 Mercedes-Benz E350

  • 2006-2011 Mercedes-Benz ML350

  • 2006-2011 Mercedes-Benz C350

  • 2006-2011 Mercedes-Benz R350

  • 2006-2009 Mercedes-Benz CLK350

  • 2006-2008 Mercedes-Benz SLK280

  • 2005-2011 Mercedes-Benz SLK350

  • 2000 Mercedes-Benz SLK230

  • 1997-2009 Mercedes-Benz C230

  • 1996-2007 Mercedes-Benz C280

  • 1996-1999 Mercedes-Benz S320

  • 1996-1997 Mercedes-Benz E320

  • 1996-1997 Mercedes-Benz SL320

  • 1996 Mercedes-Benz C220

  • 1995-1997 Mercedes-Benz C36 AMG

BFNG 1KS1223 Specifications

Prop 65
ADVERTENCIA: Riesgo de cáncer y daños reproductivos - www.p65warnings.ca.gov
Prop 65
WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
Length
1.7
Length
43.18
Terminal Type
Blade
Mounting Hardware Included
No

BFNG 1KS1223 Interchange Numbers

This part replaces and is compatible with the following part numbers

Interchange Numbers

1708611KS1223S8855KS255003153892800615336280041534628SU6060DKS695716646315389282KNC03655S2274S88551580997ID0111

BFNG 1KS1223 Product Description

Knock Sensors respond to a wide range of engine knock frequencies providing accurate engine condition to the ECM for optimal ignition timing. These sensors use the highest quality piezoceramic elements manufactured to tight tolerances for increased durability and accuracy. These Knock Sensors are designed to meet and exceed OEM specifications.

Key Features

  • Extensive product testing includes salt spray, high/low temperature impact, thermal cycling, vibration, drop among other tests, to ensure all sensors meet or exceed OEM specifications.
  • Precision piezoceramic element ensures accurate response to a wide range of engine vibrations
  • Designed to meet or exceed all OEM specifications in fit, form & function
  • Manufactured using the highest quality OEM materials to ensure optimal performance and rugged durability

Knock Sensors respond to a wide range of engine knock frequencies providing accurate engine condition to the ECM for optimal ignition timing. These sensors use the highest quality piezoceramic elements manufactured to tight tolerances for increased durability and accuracy. These Knock Sensors are designed to meet and exceed OEM specifications.

About BFNG

Shop BFNG Ignition Knock (Detonation) Sensor at Autrex with vehicle fitment details, current pricing, and checkout options for the BFNG 1KS1223. Eligible orders over $99 may qualify for free shipping, with some exceptions.

Frequently Asked Questions — BFNG 1KS1223

What vehicles does the BFNG 1KS1223 fit?

The BFNG 1KS1223 fits 43 vehicle applications including 2024 Mercedes-Benz Maybach S680, 2008-2015 Mercedes-Benz C63 AMG, 2009-2015 Mercedes-Benz G550, 2011-2015 Mercedes-Benz SLS AMG, 2010-2013 Mercedes-Benz S400 and 38 more. Check the full fitment list above to confirm your vehicle.

What parts does the BFNG 1KS1223 replace?

The BFNG 1KS1223 is a direct replacement for 170861, 1KS1223, S8855, KS255, 0031538928 and 11 other part numbers. See the full interchange list for all compatible replacements.

What are the shipping options for the BFNG 1KS1223?

Shipping options for the BFNG 1KS1223 are shown during checkout and may vary by item, address, and availability. Eligible orders over $99 may qualify for free shipping, with some exceptions. Call 1-866-461-2787 if you need help confirming shipping or pickup before ordering.

What is the price of the BFNG 1KS1223?

For current pricing on the BFNG 1KS1223, please call us at 1-866-461-2787. Availability and final order details are confirmed before checkout is completed.

Is the Knock Sensor a direct fit replacement?

Yes, the Knock Sensor by BFNG is designed as a direct fit replacement. Use our vehicle selector to confirm compatibility with your specific vehicle.

What warranty does the Knock Sensor come with?

The Knock Sensor comes with the standard BFNG manufacturer warranty. Please check the product specifications for exact warranty terms.