Oxygen Sensor for 2012-2015 Mercedes-Benz C250 & More - Bosch 17203

Q: Does the Bosch 17203 oxygen sensor fit the 2012-2015 Mercedes-Benz SLK250 4-cylinder 1.8L?

Yes. Bosch 17203 is an upstream oxygen sensor for the 2012-2015 Mercedes-Benz SLK250 4-cylinder 1.8L, and that car takes one.

Q: Does this upstream oxygen sensor come with its wiring harness?

Yes. The listing is one oxygen sensor with its wiring harness.

Q: Is this Bosch O2 sensor a wideband or a narrowband type?

Wideband. Bosch 17203 is a wide-band A/F sensor with an M18 - 1.5 threaded fitting and a 22 mm hex.

Q: Is this Bosch premium oxygen sensor covered by a warranty?

Yes. Bosch gives its oxygen sensors a 1-year, unlimited-mileage warranty for non-commercial passenger cars and light trucks.

Q: Is there anti-seize on the threads of the Bosch 17203?

Yes. Conductive anti-seize is pre-applied on the threads of the Bosch 17203, and its direct-fit connectors are made for quick installation.

$162.99

Part number: 17203

UPC: 028851172035

Condition: New

Weight: 0.36 LBS

Item Package Quantity: 1

$162.99

Current Stock: 23

Quantity:

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Bosch Oxygen Sensor P/N:17203

$162.99

Description

Bosch 17203 oxygen sensor for the 2012-2015 Mercedes-Benz C250 4-cylinder 1.8L and other vehicles reads the air-fuel ratio in the exhaust and reports it to the ECU. It is an upstream wideband A/F sensor.

Wideband A/F design measures the air-fuel ratio continuously across the full lambda range
Metal housing with an integrated heater element and TSP coating to resist vibration, corrosion and contamination
Built to withstand exhaust streams up to 1,880°F
Reaches operating temperature in <7 seconds, so the ECU gets a quick signal for closed-loop control

Quick facts

Part: Bosch 17203 oxygen sensor
Fits: 2012-2015 Mercedes-Benz C250 4-cylinder 1.8L and other vehicles
Position: Upstream
Material: Metal housing
Condition: New

A check engine light, rough running or poor fuel economy can be linked to a worn oxygen sensor, though other faults produce the same signs too. With the engine off and cool, look over the sensor body and wiring for cracks, burnt insulation or heavy soot, and get the fault codes read so you know what is behind the signs before you buy a sensor.

Fits

It fits the 2012-2015 Mercedes-Benz C250 4-cylinder 1.8L and the 2012-2015 Mercedes-Benz SLK250 4-cylinder 1.8L, and either car takes one sensor. This listing is a single sensor.

Specifications

Fit and size

Position: Upstream
Quantity per vehicle: 1
Thread size: M18 - 1.5
Hex size: 22 mm
Mounting type: Threaded
Terminal quantity: 6
Overall length: 53.3 in
Length (sealing surface to end of connector): 52.2 in

Build and materials

Sensor type: Wide-band
Housing material: Metal
Condition: New
Warranty: Bosch 1-year, unlimited-mileage warranty for non-commercial passenger cars and light trucks