Hella 014494501 Exhaust Gas Temperature (EGT) Sensor

HELLA EGT Sensor for Mercedes-Benz S350

Restore accurate exhaust temperature monitoring with the HELLA Exhaust Gas Temperature (EGT) Sensor, part number 014494501. Built for the 2012-2013 Mercedes-Benz S350, this sensor helps the engine management system track exhaust heat in real time to protect the turbocharger, diesel particulate filter, and emissions components.

HELLA 014494501 is a bolted, 2-pole sensor with a 290 mm cable length for a direct-fit replacement on the Mercedes-Benz S350. It is engineered for OE-level measurement accuracy and consistent signal output in demanding exhaust environments.

Key Features

• Exhaust Gas Temperature (EGT) sensor for emissions system monitoring
• Fits 2012-2013 Mercedes-Benz S350
• Bolted mounting type for secure installation
• 2-pole electrical connection
• 290 mm cable length
• Part number 014494501 for easy identification

Product Details

HELLA’s HELLA line focuses on OE-style electrical and emissions components built for precise signal control and dependable fitment. This EGT sensor measures exhaust temperature so the vehicle’s control system can respond to rising heat before it affects the turbo, DPF, or other emissions hardware. For Mercedes-Benz S350 owners, HELLA 014494501 provides a direct replacement solution that matches the listed mounting style, connector count, and cable length.

This part cross-references Mercedes-Benz OE numbers 007 153 48 28 and A 007 153 48 28 for the same application.

What It Helps Address

• Faulty exhaust gas temperature readings
• Diesel particulate filter heat management issues
• Turbocharger overheat protection concerns
• Emissions system warning lights tied to sensor failure
• Driveability problems caused by inaccurate exhaust temperature data

Installation Notes

Fits 2012-2013 Mercedes-Benz S350, bolted mounting location, 2-pole connection. Verify connector style, cable routing, and sensor placement against the original part before installation. Use the listed 290 mm cable length and mounting type as reference points when confirming replacement fitment for the Mercedes-Benz S350.

Quality Assurance

HELLA manufactures this EGT sensor to OE-level precision for stable exhaust temperature measurement and long-term service in high-heat conditions. Part number 014494501 is built to meet the fitment and electrical requirements listed for the application.