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Mercedes-Benz Throttle Position Sensor

5 items

Fix poor throttle response, rough idle, sudden hesitation, or uneven acceleration with a throttle position sensor built to send accurate throttle angle signals to your engine computer.

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Standard TH461 Throttle Position SensorStandard TH461 Throttle Position Sensor
StandardPart # TH461
Standard TH461 Throttle Position Sensor
51 Reviews
$656.99
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3-year warranty
90 days free return
Fits 1997-1997 Mercedes-Benz C36 AMG, 1997-1999 Mercedes-Benz S420, 1997-1999 Mercedes-Benz S500, 1997-2000 Mercedes-Benz C280, 1997-2002 Mercedes-Benz SL600, 1997-2003 Mercedes-Benz E320, 1998-2000 Mercedes-Benz C43 AMG, 1998-2003 Mercedes-Benz ML320, 1998-2004 Mercedes-Benz SLK230, 1998-2005 Mercedes-Benz CLK320, 1999-2001 Mercedes-Benz ML430, 2000-2003 Mercedes-Benz ML55 AMG
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Vehicle: Mercedes-Benz
Item LocatedUnited States
Quantity1
Part interchange
TH461, 2-60083, 75540, TH0007, EC3417, TPS4272, V30-72-0703, 0115428717, 
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item #10016ZEW
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Throttle position sensor for 1986-1991 Mercedes-Benz 560SEL
A-Premium®Part # APTPS065
Throttle position sensor for 1986-1991 Mercedes-Benz 560SEL
4.738 Reviews
$31.99
Low stock: Only 1 left
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3-year warranty
90 days free return
Fits Mercedes-Benz 560SEL: 1986 1987 1988 1989 1990 1991
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Vehicle: Mercedes-Benz
Item LocatedUnited States
Quantity1
ColorBlack
Part interchange
3437224015, 3437224035, A3437224035, F026T03021
item #1003E8CA
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Standard APS638 Accelerator Pedal Sensor
StandardPart # APS638
Standard APS638 Accelerator Pedal Sensor
51 Reviews
$302.99
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3-year warranty
90 days free return
Fits 2002-2004 Mercedes-Benz C32 AMG, 2002-2005 Mercedes-Benz C240, 2002-2005 Mercedes-Benz C320, 2002-2007 Mercedes-Benz C230, 2003-2003 Mercedes-Benz E320, 2005-2006 Mercedes-Benz C55 AMG, 2005-2006 Mercedes-Benz E320, 2006-2006 Mercedes-Benz CLS500, 2006-2007 Mercedes-Benz C280, 2006-2007 Mercedes-Benz C350, 2007-2009 Mercedes-Benz E63 AMG
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz
Item LocatedUnited States
Quantity1
Part interchange
APS638, 2-80538, AD0370, 010946481, PPS1538, V30-82-0019, 2113000804, 5S14854, 
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item #100150PT
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Standard APS639 Accelerator Pedal Sensor
StandardPart # APS639
Standard APS639 Accelerator Pedal Sensor
51 Reviews
$248.99
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3-year warranty
90 days free return
Fits 2014-2019 Mercedes-Benz CLA45 AMG, 2014-2022 Mercedes-Benz CLA250, 2015-2020 Mercedes-Benz GLA250, 2021-2021 Mercedes-Benz CLA45 AMG
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz
Item LocatedUnited States
Quantity1
Part interchange
APS639, 2-80539, AD0371, PPS1539, PPSB10269, 2463001804, 5S14857
item #100153EZ
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Standard APS614 Accelerator Pedal Sensor
StandardPart # APS614
Standard APS614 Accelerator Pedal Sensor
51 Reviews
$355.99
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3-year warranty
90 days free return
Fits 2008-2009 Mercedes-Benz C230, 2008-2009 Mercedes-Benz C300, 2008-2009 Mercedes-Benz C350, 2008-2015 Mercedes-Benz C63 AMG, 2010-2014 Mercedes-Benz C300, 2010-2015 Mercedes-Benz C350, 2010-2015 Mercedes-Benz E63 AMG, 2010-2016 Mercedes-Benz E350, 2010-2017 Mercedes-Benz E550, 2011-2015 Mercedes-Benz SLS AMG, 2012-2014 Mercedes-Benz CLS550, 2012-2014 Mercedes-Benz CLS63 AMG, 2012-2015 Mercedes-Benz C250, 2012-2016 Mercedes-Benz SLK350, 2013-2015 Mercedes-Benz E400, 2013-2015 Mercedes-Benz SLK250, 2013-2018 Mercedes-Benz SL65 AMG, 2013-2019 Mercedes-Benz SL63 AMG, 2013-2020 Mercedes-Benz SL550, 2014-2016 Mercedes-Benz E250
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz
Item LocatedUnited States
Quantity1
Part interchange
APS614, 2-80514, 70336, AD0247, PPS1514, PPSB10240, V30-82-0018, 2043000200, 
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item #100151R3
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What is the throttle position sensor? 

The throttle position sensor (TPS) monitors the position of the throttle plate, which controls the airflow into the engine. By providing real-time feedback on how much the driver is pressing the gas pedal, the TPS helps the engine control unit (ECU) adjust the air-fuel mixture for optimal performance and efficiency.

Symptoms of a bad TPS throttle position sensor

A failing or malfunctioning Throttle Position Sensor (TPS) can manifest various symptoms, which may vary in severity. If you notice these situations, they may indicate a potential issue with the TPS:

  • Poor Acceleration: Sluggish or delayed response when pressing the gas pedal.
  • Rough Idle: An unstable or fluctuating engine idle.
  • Stalling: Unexpected engine shutdown, especially at stops.
  • Hesitation During Acceleration: Delayed acceleration after pressing the gas pedal.
  • Surging or Bucking: Jerking or lurching movements during acceleration or at constant speeds.
  • Inconsistent Idle Speed: Fluctuating engine idle speed.
  • Check Engine Light (CEL): Illumination of the Check Engine Light on the dashboard.
  • Poor Fuel Efficiency: Reduced gas mileage and increased fuel consumption.
  • Transmission Shifting Issues: Irregular or harsh shifting in automatic transmissions.
  • Limp Mode: The vehicle's computer may limit power and speed to protect the engine.

How to fix a throttle position sensor?

Fixing a faulty TPS often involves either cleaning the sensor or replacing it, depending on the severity of the problem.

Cleaning the TPS:

  • Disconnect the battery.
  • Locate and remove the TPS.
  • Clean it with an electronic contact cleaner.
  • Reinstall the TPS, reconnect, and reconnect the battery.

Replacing the TPS:

  • Disconnect the battery.
  • Remove the old TPS.
  • Get a matching replacement TPS.
  • Install the new TPS, reconnect, and reconnect the battery.
  • Calibrate if needed.
  • Test the vehicle for issues. If problems persist, consult a mechanic.

Related Blogs

P0123 Code: Throttle Position Sensor High Input Explained

The diagnostic trouble code P0123, which indicates a high input in the throttle or pedal position sensor circuit A. Exploring the potential causes, symptoms, and troubleshooting steps, we aim to provide a comprehensive understanding of this issue.

Jul 21, 2026

P0121 Code: Throttle Position Sensor Range/Performance Problem

By understanding and addressing code P0121 promptly and effectively, you can improve your vehicle's performance, fuel efficiency, emissions compliance, and overall longevity, helping you be a capable vehicle maintenance professional or enthusiastic.

Jul 21, 2026

P0122 Code: Throttle Position Sensor Low Input Explained

The P0122 code indicates a faulty throttle position sensor (TPS) causing poor acceleration and idle issues. This guide details how to diagnose and replace the TPS to resolve the problem.

Jul 21, 2026