Hella 013122721 Engine Camshaft Position Sensor

HELLA Camshaft Position Sensor for Mercedes-Benz

The HELLA Engine Camshaft Position Sensor monitors camshaft position and sends the data needed for ignition timing and fuel injection timing. Built as a standard replacement with OE specifications, this sensor is a direct-fit option for many Mercedes-Benz and select INFINITI applications, including Mercedes-Benz CLA250, GLA250, GLE580, and more.

HELLA OE Certified parts are calibrated with advanced diagnostic tools and built with corrosion-resistant terminals and protective coatings for long-term durability. Part number 013122721 is a 12-volt Hall sensor with a 3-pin rectangular male connector, 3 terminals, and a seal ring for a secure installation.

Key Features

• Engine camshaft position sensor for ignition and fuel injection timing control
• HELLA OE Certified standard replacement
• 12.00V Hall sensor design
• 3-pin rectangular connector with male connector gender
• 3 terminals with blade terminal type and female terminal gender
• Includes gasket/seal and seal ring
• Corrosion-resistant terminals and coatings
• Black plastic housing
• Single bolt hole, 6.80 mm mounting hole diameter

Detailed Description

HELLA 013122721 is engineered to read camshaft position accurately so the engine control system can manage spark and fuel delivery with the correct timing. The sensor uses a Hall-effect design and a 3-pin electrical interface, making it a direct OE-style replacement for vehicles that require this connector and seal configuration. This part cross-references Bosch 0 232 103 099 for the same application.

As part of the HELLA OE Certified line, this camshaft position sensor is built to match OE fit, form, and function. It is calibrated using diagnostic equipment and finished with corrosion-resistant materials to support dependable signal output in demanding underhood conditions. For shoppers searching for a Mercedes-Benz camshaft position sensor, Mercedes-Benz engine sensor replacement, or a 3-pin camshaft sensor with seal ring, part number 013122721 is a strong match for the listed applications.

Compatible With Mercedes-Benz CLA250, GLA250, GLB250, GLE580, GLS580, S580, SL55 AMG, and other listed models, as well as select INFINITI Q50 and Q60 applications.

What It Helps Solve

• Hard starting caused by incorrect camshaft position signal
• Rough idle from inconsistent ignition timing data
• Check engine light related to camshaft sensor faults
• Fuel injection timing errors that affect drivability
• Intermittent stalling or hesitation tied to sensor signal loss

Installation Notes and Tips

Verify connector shape, pin count, and seal-ring style before installation. This sensor uses a 3-pin rectangular connector, includes a gasket/seal, and does not include mounting hardware, wiring harness, or mounting bracket. Confirm the vehicle’s engine application and match the listed fitment exactly for Mercedes-Benz and INFINITI models before replacement.

Fits 2014-2025 Mercedes-Benz CLA250, N/A; Fits 2015-2025 Mercedes-Benz GLA250, N/A; Fits 2020-2025 Mercedes-Benz GLB250, N/A; Fits 2020-2025 Mercedes-Benz GLE580, N/A; Fits 2020-2025 Mercedes-Benz GLS580, N/A; Fits 2021-2025 Mercedes-Benz S580, N/A; Fits 2022-2025 Mercedes-Benz SL63 AMG, N/A; Fits 2016-2019 INFINITI Q50, N/A; Fits 2017-2018 INFINITI Q60, N/A.

Quality Assurance

HELLA OE Certified parts are built to OE specifications for fit, form, and function and are calibrated with advanced diagnostic tools. The corrosion-resistant terminals and coatings are intended to support durability in standard replacement service.