NOx Sensor (A0009050008) for Mercedes-Benz GLC, Marco Polo, S-Class, SLK/SLC & V-Class

Description

Check part compatibility by using our vehicle filter options below. If you find your car, this part is compatible.

Restore proper emissions control and engine efficiency with this high-quality NOx (nitrogen oxide) sensor designed for a wide range of Mercedes-Benz diesel vehicles including GLC, Marco Polo, S-Class, SLK, SLC and V-Class models. Engineered as a direct replacement for OEM A0009050008 and related part numbers, this sensor monitors exhaust NOx levels and enables the ECU to optimise AdBlue/SCR operation for reduced emissions and improved performance. Built to OEM-equivalent standards, it’s ideal for professional workshops and experienced DIY mechanics.
OEM Part Numbers: MA0009058411, 0009059603, 0009050008, 0009052709, 0009058411, A0009059603, A0009058411, A0009052709, A0009050008, 0009056900, 0009055100, 0009053403, A2C16442400-290, A0009056900, A0009055100, A0009053403, 5WK96681D, A2C12547900-081G, A2C12610200-284, 5WK96681E
Product details :
Voltage : 12 V
Cable Length :
Length 1 : 320 mm
Width 1 : 110 mm
Height 1 : 40 mm
Connector Shape : OVal
Number of Pins : 5 Pin Connector
Number of Mounting Bores : 2
Fitting Position : after soot particulate filter, after SCR catalytic converter (REAR)
Cable Length : Approx. 390 mm
Lambda Sensor : Thread pre-greased
Emission Standard : Euro 6
Flange Hole Diameter : 8 mm
Quantity : 1

Make	Model	Variant	Type	Engine	Chassis	Year
Mercedes-Benz	GLC	Diesel SUV	220 d 4-matic	2143cc 125KW 170HP OM 651.921	AWD C253	2016-2019
Mercedes-Benz	GLC	Diesel SUV	220 d 4-matic	2143cc 125KW 170HP OM 651.921	AWD X253	2015-2019
Mercedes-Benz	GLC	Diesel SUV	250 d 4-matic	2143cc 150KW 204HP OM 651.921	AWD C253	2016-2019
Mercedes-Benz	GLC	Diesel SUV	250 d 4-matic	2143cc 150KW 204HP OM 651.921	AWD X253	2015-2019
Mercedes-Benz	MARCO POLO	Diesel Bus	220 CDI	2143cc 120KW 163HP OM 651.950	RWD W447	2015-2020
Mercedes-Benz	MARCO POLO	Diesel Bus	220 CDI 4-matic	2143cc 120KW 163HP OM 651.950	AWD W447	2015-2020
Mercedes-Benz	MARCO POLO	Diesel Bus	250 CDI	2143cc 140KW 190HP OM 651.950	RWD W447	2015-2020
Mercedes-Benz	S-Class	Diesel Saloon	S 350 BlueTEC / d	2987cc 190KW 258HP OM 642.861	RWD V222,W222,X222	2013-2017
Mercedes-Benz	S-Class	Diesel Saloon	S 350 BlueTEC / d 4-matic	2987cc 190KW 258HP OM 642.861;OM 642.867	AWD V222,W222,X222	2014-2017
Mercedes-Benz	S-Class	Hybrid Saloon	S 300 BlueTEC Hybrid / h	2143cc 150KW 204HP OM 651.921	RWD V222,W222,X222	2014-2017
Mercedes-Benz	S-Class	Hybrid Saloon	S 300 BlueTEC Hybrid / h	2143cc 170KW 231HP OM 651.921	RWD V222,W222,X222	2014-2017
Mercedes-Benz	SLC	Diesel Convertible	250 d	2143cc 150KW 204HP OM 651.980	RWD R172	2016-2017
Mercedes-Benz	SLK	Diesel Convertible	250 CDI / d	2143cc 150KW 204HP OM 651.980	RWD R172	2012-2020
Mercedes-Benz	V-Class	Diesel MPV	V 200 CDI / d	2143cc 100KW 136HP OM 651.950	RWD W447	2014-2020
Mercedes-Benz	V-Class	Diesel MPV	V 200 CDI / d 4-matic	2143cc 100KW 136HP OM 651.950	AWD W447	2015-2020
Mercedes-Benz	V-Class	Diesel MPV	V 220 CDI / d	2143cc 120KW 163HP OM 651.950	RWD W447	2014-2020
Mercedes-Benz	V-Class	Diesel MPV	V 220 CDI / d 4-matic	2143cc 120KW 163HP OM 651.950	AWD W447	2015-2020
Mercedes-Benz	V-Class	Diesel MPV	V 250 BlueTEC / d	2143cc 140KW 190HP OM 651.950	RWD W447	2014-2020
Mercedes-Benz	V-Class	Diesel MPV	V 250 BlueTEC / d 4-matic	2143cc 140KW 190HP OM 651.950	AWD W447	2014-2020
Make	Model	Variant	Type	Engine	Chassis	Year

Our SKU: TMA0009059603_313
Please use our make-model-year tool to check this part’s compatibility with your vehicle. However, please note that our tool is for reference only and we recommend that you check the part number on your old unit prior to purchasing.
If you are still not sure about the compatibility of this part to your vehicle, please supply us with the VIN number or Registration number in our live chat or contact form and our experts will gladly help!

Key Benefits

✔ Direct OEM replacement — compatible with A0009050008, A0009052709, A0009059603 and related references
✔ Supports SCR / AdBlue emissions system — restores correct operation
✔ Helps eliminate engine warning lights and NOx fault codes
✔ Improves fuel efficiency and engine performance when replacing faulty sensors
✔ 5-pin connector with control module for accurate fitment
✔ High-temperature resistant probe for durability in exhaust environments
✔ Suitable for garages and DIY mechanics
✔ Fast UK dispatch from D2P AutoParts

Frequently Asked Questions

Q1. What does a NOx sensor do?

A NOx sensor measures nitrogen oxide levels in the exhaust gases and sends data to the ECU. The vehicle then adjusts AdBlue injection and combustion parameters to reduce emissions and maintain compliance with Euro standards.

Q2. Which vehicles is this compatible with?

Common compatibility includes:

• Mercedes-Benz GLC (X253 / C253)

• Mercedes-Benz S-Class (W222)

• Mercedes-Benz SLK / SLC (R172)

• Mercedes-Benz V-Class / Vito (W447)

• Mercedes Marco Polo

Typically covering 2.1 CDI / BlueTEC diesel engines from around 2013–2019 depending on configuration and OEM number.

Q3. What are the symptoms of a failing NOx sensor?

Common signs include:

• Engine management or emissions warning light

• AdBlue system fault messages

• Reduced engine power or limp mode

• Increased fuel consumption

• Failed emissions tests

Q4. Is this OEM or aftermarket?

This is a high-quality aftermarket replacement engineered to match OEM performance and fitment specifications.

Q5. Will installation require programming?

Yes — most Mercedes vehicles require fault code clearing or adaptation using diagnostic tools after installation.

Q6. Can I install this myself?

Installation is possible for experienced DIY mechanics, but professional installation is recommended due to exhaust access and calibration requirements.

Explore more from our collection.