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Bosch Knock Sensor - 0261231110

Bosch Knock Sensor - 0261231110

This is a Bosch Knock Sensor, part number 0261231110. It is compatible with various Mercedes-Benz ...

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BOSCH-OE 0 261 231 110-OE Knock Sensor for MAYBACH,MERCEDES-BENZ,PUCH,SSANGYONG

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Product Information

Full details

This Bosch Knock Sensor (part number 0261231110) is designed for automotive technicians and enthusiasts working on specific Mercedes-Benz and Maybach models. Its key benefit is ensuring optimal engine performance and preventing detonation by accurately detecting engine knock. A potential caveat is its specific compatibility, requiring careful verification before purchase.

All features

Model Part Number0261231110
BrandBosch

Extended Product Information

FAQs

What does a knock sensor do?

A knock sensor detects abnormal engine vibrations (engine knock or detonation) and sends a signal to the engine control unit (ECU). The ECU then adjusts ignition timing to prevent this damaging condition and optimize performance.

Which vehicles is the Bosch 0261231110 compatible with?

This sensor is compatible with specific Mercedes-Benz models such as the CL500 C140 (1992-2006), CL500 C215 (1999-2006), SL350 R230 (2003-2005), and Maybach 57 (W240) models.

How do I know if my knock sensor needs replacement?

Symptoms of a failing knock sensor can include a persistent Check Engine Light, audible engine knocking or pinging sounds, reduced engine power, and decreased fuel efficiency.

Can I install this sensor myself?

Installation requires mechanical knowledge and access to the engine block. It's recommended for individuals with automotive repair experience or to be performed by a qualified mechanic.

What happens if I use the wrong knock sensor?

Using an incompatible sensor can lead to incorrect signals being sent to the ECU, resulting in poor engine performance, potential engine damage, and the Check Engine Light illuminating.

What are the OEM part numbers that this Bosch sensor replaces?

This Bosch sensor cross-references with OEM part numbers including MAYBACH 0031538628, MERCEDES-BENZ 0031538628/A0031538628, and STEYR 0031538628.

Does this sensor come with a warranty?

Warranty information is typically provided by the seller. Please refer to the specific retailer's product listing or contact them for details regarding the warranty period and terms.

Troubleshooting

Check Engine Light is on after installation

Verify the sensor is properly seated and torqued. Ensure the electrical connector is securely attached and free of corrosion. Re-check part number compatibility with your vehicle.

Engine is running rough or has reduced power

Confirm the knock sensor is the correct replacement part. Check the wiring harness for continuity and shorts. A faulty sensor or incorrect part can cause incorrect ECU signals, leading to poor running conditions.

Audible engine knocking or pinging persists

While a new sensor is installed, persistent knocking could indicate other issues like incorrect ignition timing, carbon buildup, or fuel delivery problems. Ensure the sensor is functioning correctly with diagnostic tools.

Pros and Cons

Pros

  • Ensures optimal engine performance by detecting and mitigating engine knock.
  • Protects engine components from potential damage caused by detonation.
  • Designed for specific Mercedes-Benz and Maybach models, offering a direct fit.
  • High-quality construction for reliability and longevity in harsh engine conditions.
  • Provides accurate feedback to the ECU for efficient combustion.

Cons

  • Limited compatibility; only suitable for a specific range of vehicle models.
  • Requires professional installation or a good understanding of automotive engine components.
  • Failure to replace with the correct part could lead to incorrect engine management.
  • Specific diagnostic tools may be needed to confirm the sensor's function.

Setup, Compatibility & Care

Compatibility Verification: Before installation, verify that your vehicle's make, model, and year match the compatible list: Mercedes-Benz CL500 C140 (5.0L, 1992-2006), CL500 C215 (5.0L, 1999-2006), SL350 R230 (3.7L, 2003-2005), and Maybach 57 (5.5L/6.0L, W240). Cross-reference the Bosch part number 0261231110 with your vehicle's existing sensor or OEM part numbers (e.g., MERCEDES-BENZ A0031538628).

Installation: Installation typically requires accessing the engine block where the sensor is mounted. This often involves removing other components to gain clear access. Ensure the mounting surface is clean before installing the new sensor. Use a torque wrench to tighten the sensor to the manufacturer's specified torque to ensure a proper seal and electrical connection without overtightening. It is recommended to disconnect the vehicle's battery before beginning any electrical component replacement.

Care: The knock sensor itself is a sealed electronic component and does not require routine maintenance. However, keeping the engine bay clean can prevent debris from interfering with the sensor or its wiring. Regularly inspect the wiring harness connected to the sensor for any signs of damage, fraying, or corrosion.

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