Bosch 0281002123 Engine Crankshaft Position Sensor

Bosch Crankshaft Position Sensor for Mercedes-Benz

Bosch 0281002123 is an engine crankshaft position sensor for select Mercedes-Benz applications. It reads crank angle data needed for accurate engine timing and stable running, making it a direct-fit service part for vehicles such as the Mercedes-Benz S-Class, SL-Class, E-Class, and related models.

The Bosch Engine Crank Angle Sensor (New) line focuses on OE-style replacement parts built with a robust sensor design, expanded temperature range, and reduced signal drift over the service life. That matters when diagnosing intermittent stalling, hard starting, or timing-related drivability concerns on Mercedes-Benz engines.

Key Features

• Bosch engine crankshaft position sensor, part number 0281002123
• OE-style replacement for select Mercedes-Benz ignition and engine management systems
• Robust construction for improved temperature stability
• Expanded operating temperature range for demanding engine bay conditions
• Reduced drift over time for consistent crank angle signal output
• Fits multiple Mercedes-Benz models, including S320, S500, SL500, and E320 applications

Detailed Description

This Bosch crankshaft position sensor is used by the engine control system to monitor crankshaft position and speed so ignition timing and fuel delivery can be managed accurately. It is a strong match for long-tail searches such as Bosch 0281002123 Mercedes-Benz crankshaft position sensor, Mercedes-Benz S500 crank angle sensor replacement, and Bosch crank sensor for Mercedes-Benz SL600 and E-Class applications. This part cross-references Mercedes-Benz 0031537228 and 0031537428 for the same application.

What It Helps Address

• Hard starting or extended cranking
• Intermittent stalling at idle or while driving
• Crankshaft signal loss or erratic engine speed readings
• Misfire or timing-related drivability faults
• Check engine light concerns tied to crank angle sensor performance

Installation Notes and Tips

Verify the part number and engine application before installation. Confirm the vehicle’s year, model, and any standard or optional sensor configuration listed in the fitment data. For best results, inspect the connector, wiring, and mounting area for heat damage or corrosion before installing Bosch 0281002123.

• Fits 1996-2002 Mercedes-Benz SL600, N/A; Optional or Standard
• Fits 1999 Mercedes-Benz CL500, N/A; Optional or Standard
• Fits 1998-1999 Mercedes-Benz CL600, N/A
• Fits 1997-1999 Mercedes-Benz S320, N/A; Standard or Optional
• Fits 1996-1999 Mercedes-Benz S420, N/A; Standard or Optional
• Fits 1996-1999 Mercedes-Benz S500, N/A; Standard or Optional
• Fits 1996-1999 Mercedes-Benz S600, N/A; Standard or Optional
• Fits 1997-1998 Mercedes-Benz C230, N/A; Standard or Optional
• Fits 1996-1998 Mercedes-Benz SL500, N/A; Standard or Optional
• Fits 1998 Mercedes-Benz SLK230, N/A; Standard or Optional
• Fits 1996-1997 Mercedes-Benz E300, N/A
• Fits 1997 Mercedes-Benz E420, N/A; Standard or Optional
• Fits 1997 Mercedes-Benz SL320, N/A; Standard or Optional
• Fits 1996 Mercedes-Benz E320, N/A; Standard or Optional
• Fits 1992-1993 Mercedes-Benz 300SE, N/A; For engine type/code 104.994 from engine #073223

Quality Assurance

Bosch supplies OE-level engine management components, and this sensor line is engineered for stable performance across temperature changes with reduced signal drift over time. Part number 0281002123 is built for direct replacement use in the listed Mercedes-Benz applications.