Oxygen Sensor for 2019-2021 Mercedes-Benz AMG GT 63 & More - Bosch 17339

Bosch 17339 oxygen sensor for the 2019-2021 Mercedes-Benz AMG GT 63 V8 4.0L and other vehicles measures the air-fuel ratio in the exhaust and sends it to the ECU. As a wide-band sensor, it gives the ECU more detailed data than a switching sensor does.

• Continuous air-fuel ratio readings across the full lambda range
• Reaches operating temperature in under 7 seconds for quick closed-loop control
• Built for exhaust streams up to 1,880°F; metal housing and TSP coating resist vibration, corrosion and contamination
• Integrated heater element with optimized heater control for fast light-off

Quick facts

• Part: Bosch 17339 oxygen sensor
• Fits: 2019-2021 Mercedes-Benz AMG GT 63 V8 4.0L and other vehicles
• Position: Upstream, upstream left, upstream right
• Material: Metal housing
• Condition: New

A rough idle, worse fuel economy or a check engine light can mean this oxygen sensor is worn, though a leaking exhaust manifold or a damaged wiring harness can produce these symptoms too.

Fits

This oxygen sensor is listed for a wide range of Mercedes-Benz models, led by the 2021-2026 Mercedes-Benz GLE63 AMG S V8 4.0L and the 2021-2026 Mercedes-Benz GLS63 AMG V8 4.0L. This listing is one sensor, and the quantity varies by model and engine; the 2019-2021 Mercedes-Benz AMG GT 63 V8 4.0L takes one. Open the "Vehicles it fits" section to check your exact model and engine.

Specifications

In the box

One oxygen sensor with its wiring harness.

Installation notes

• Direct-fit connectors are made for quick installation.
• Conductive anti-seize is already applied to the threads.