Oxygen Sensor for 1990-1993 Mercedes-Benz 300SL & More - Walker 250-23074

Walker Products 250-23074 oxygen sensor for the 1990-1993 Mercedes-Benz 300SL 6-cylinder 3.0L and other vehicles reads the oxygen content of the exhaust gas. It gives the ECU the diagnostic feedback this application calls for.

• Measures oxygen levels to help fine-tune the air-fuel mixture for fuel economy
• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates
• Monitors exhaust gases to help reduce pollutants
• Tracks the air-fuel ratio by determining the oxygen content of the exhaust gas
• Electrodes made of a gas-permeable platinum layer

Quick facts

• Part: Walker Products 250-23074 oxygen sensor
• Fits: 1990-1993 Mercedes-Benz 300SL 6-cylinder 3.0L and other vehicles
• Position: Upstream
• Condition: New

A failing sensor can show up as rough running, higher fuel consumption, more exhaust emissions or a lit malfunction indicator light, though those symptoms have other possible sources too. With the engine off and cool, look over the sensor, its wiring harness and the connector for physical damage before you replace it.

Fits

This sensor is a direct-fit replacement for the 1990-1993 Mercedes-Benz 300SL 6-cylinder 3.0L and the 1990-1992 Mercedes-Benz 500SL V8 5.0L. The listing is one sensor for the upstream position, and the fitment calls for a single sensor on each engine.

Specifications

Product information is for general reference and may contain errors. See our Disclaimer.