Mercedes R172 300 2.0 Lambda sensor (245 hp Petrol M 274.920)
Recommended part replacement interval for your car for the part category Lambda sensor: every 100.000 km
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- Oxygen Sensor: Regulating Probe
- Exhaust System: before catalytic converter
- Thread Size: M18x1,5-6e
- Oxygen Sensor: Heated
- Cable Length [mm]: 460
- Number of circuits: 5
- Number of connectors: 6
- Connector Shape: D Shape
- Line insulation design: with corrugated tube insulation, with silicone-coated woven-fibre insulation
- Item number: 3922L0844
- Our price: £ 77,70
- Manufacturer: RIDEX
- EAN number: 4066423400748
- Condition: New
price incl. 20% VAT
excl. delivery costs
- Thread Size: M18x1,5
- Oxygen Sensor: Heated
- Cable Length [mm]: 770
- Number of circuits: 5
- Supplementary Article / Supplementary Info Info 2: without plug
- Connector / Clamp: Connector may need adjustment
- Supplementary Article / Supplementary Info: with fastening / mounting material
- Line insulation design: with silicone-coated woven-fibre insulation
- Item number: 3922L0674
- Our price: £ 92,02
- Manufacturer: RIDEX
- EAN number: 4065739034524
- Condition: New
- Accumulate your bonuses through purchasing items marked “BONUS";
- Pay for up to 10% of your order with the accumulated bonuses;
price incl. 20% VAT
excl. delivery costs
- Thread Size: M18x1,5
- Oxygen Sensor: Heated
- Cable Length [mm]: 735
- Number of circuits: 5
- Supplementary Article / Supplementary Info Info 2: without plug
- Connector / Clamp: Connector may need adjustment
- Supplementary Article / Supplementary Info: with fastening / mounting material
- Line insulation design: with silicone-coated woven-fibre insulation
- Item number: 3922L0674P
- Our price: £ 117,67
- Manufacturer: RIDEX PLUS
- EAN number: 4066423682748
- Condition: New
- Fitting Position: Right Front, before catalytic converter
- Oxygen Sensor: Planar probe, Heated
- Cable Length [mm]: 395
- Item number: ES21202-12B1
- Our price: £ 41,03
- Manufacturer: DELPHI
- EAN number: 5012759576779
- Condition: New
- Fitting Position: Left Front, before catalytic converter
- Oxygen Sensor: Broadband oxygen sensor, Heated
- Cable Length [mm]: 535
- Item number: ES21238-12B1
- Our price: £ 50,43
- Manufacturer: DELPHI
- EAN number: 5012759577134
- Condition: New

- Fitting Position: after catalytic converter
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- Construction Year to: 08 / 2018
- Exhaust System: after catalytic converter
- Oxygen Sensor: Diagnostic Probe
- Cable Length [mm]: 490
- Number of pins: 4
- Weight [kg]: 0,12
- Voltage [V]: 12
- Operating Mode: Electric
- Always compare old and new part (in particular OE No.)
- Item number: 09SKV186
- Our price: £ 51,13
- Manufacturer: ESEN SKV
- EAN number: 5906302222407
- Condition: New
- Oxygen Sensor: Regulating Probe, Heated
- Cable Length [mm]: 650
- Length [mm]: 650
- Number of circuits: 5
- Conductor Number: 5
- Item number: 466016355272
- Our price: £ 51,64
- Manufacturer: MAGNETI MARELLI
- EAN number: 8050947148855
- Condition: New
price incl. 20% VAT
excl. delivery costs
- Fitting Position: before catalytic converter
-
- Exhaust System: before catalytic converter
- Oxygen Sensor: Regulating Probe
- Length [mm]: 500
- Number of circuits: 4
- Number of connectors: 4
- Item number: 8845 23059
- Our price: £ 59,61
- Manufacturer: TRISCAN
- EAN number: 5710476344274
- Condition: New
price incl. 20% VAT
excl. delivery costs
- Fitting Position: after catalytic converter
- Oxygen Sensor: Diagnostic Probe
- Item number: 0 258 030 02K
- Our price: £ 61,33
- Manufacturer: BOSCH
- EAN number: 4047026465525
- Condition: New
- Weight [g]: 120
- Item number: 10 012 0090
- Our price: £ 62,85
- Manufacturer: RMS
- EAN number: G0R0TK
- Condition: New

- Oxygen Sensor: Planar probe
- Conductor Number: 5
- for OE number: 0 258 017 483
- Voltage [V]: 12
- Item number: 9 7128 1
- Our price: £ 65,84
- Manufacturer: GEBE
- EAN number: 4057541231659
- Condition: New
- Oxygen Sensor: Oxygen Sensor
- Weight [kg]: 0,18
- Always compare old and new part (in particular OE No.)
- Item number: 09SKV408
- Our price: £ 68,24
- Manufacturer: ESEN SKV
- EAN number: 224969188342511883425
- Condition: New

- Fitting Position: Left Front, before catalytic converter
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- Oxygen Sensor: Regulating Probe
- TecDoc Engine Number: M 274.920
- Oxygen Sensor: Heated, Broadband oxygen sensor
- Length [mm]: 650
- Number of circuits: 5
- Item number: 95795
- Our price: £ 78,18
- Manufacturer: NGK
- EAN number: 87295957950
- Condition: New
- Fitting Position: before catalytic converter
- Oxygen Sensor: Regulating Probe
- Overall Length [mm]: 630
- Number of circuits: 5
- Item number: 0 258 017 483
- Our price: £ 78,49
- Manufacturer: BOSCH
- EAN number: 4047025852319
- Condition: New
- Fitting Position: before catalytic converter
-
- Construction Year to: 08 / 2018
- Oxygen Sensor: Regulating Probe
- Oxygen Sensor: Thread pre-greased
- Cable Length [mm]: 500
- Conductor Number: 5
- Item number: V30-76-0058
- Our price: £ 83,74
- Manufacturer: VEMO
- EAN number: 4046001980220
- Condition: New
price incl. 20% VAT
excl. delivery costs
- Oxygen Sensor: Oxygen Sensor
- Number of circuits: 5
- Weight [kg]: 0,15
- Voltage [V]: 12
- Colour: red
- Operating Mode: Electric
- Always compare old and new part (in particular OE No.)
- Item number: 09SKV905
- Our price: £ 90,54
- Manufacturer: ESEN SKV
- EAN number: 2249698728844
- Condition: New
- Thread Size: M18x1,5
- Oxygen Sensor: Heated
- Cable Length [mm]: 770
- Number of circuits: 5
- Supplementary Article / Supplementary Info Info 2: without plug
- Connector / Clamp: Connector may need adjustment
- Supplementary Article / Supplementary Info: with fastening / mounting material
- Line insulation design: with silicone-coated woven-fibre insulation
- Item number: SKLS-0140833
- Our price: £ 92,02
- Manufacturer: STARK
- EAN number: 4065739034517
- Condition: New
price incl. 20% VAT
excl. delivery costs
- Oxygen Sensor: Oxygen Sensor
- Weight [kg]: 0,15
- Always compare old and new part (in particular OE No.)
- Item number: 09SKV915
- Our price: £ 119,29
- Manufacturer: ESEN SKV
- EAN number: 5901947370100
- Condition: New

- Fitting Position: before catalytic converter
-
- Exhaust System: before catalytic converter
- Oxygen Sensor: Regulating Probe
- Overall Length [mm]: 500
- Number of circuits: 5
- Number of connectors: 6
- Item number: 8845 23062
- Our price: £ 136,97
- Manufacturer: TRISCAN
- EAN number: 5710476344298
- Condition: New
price incl. 20% VAT
- Product line: ORIGINAL ERSATZTEIL
- Oxygen Sensor: Regulating Probe
- Cable Length [mm]: 630
- Number of pins: 5
- Item number: 0893650
- Our price: £ 160,18
- Manufacturer: METZGER
- EAN number: 4062101002846
- Condition: New
- Accumulate your bonuses through purchasing items marked “BONUS";
- Pay for up to 10% of your order with the accumulated bonuses;
price incl. 20% VAT
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Which lambda sensor is the best for the MERCEDES-BENZ SLC (R172) 300 (172.438)?
The best lambda sensors for the Mercedes R172 300 (172.438) Petrol are from the following original brands:
- RIDEX
- RIDEX PLUS
- RMS
- BOSCH
- STARK
How much does a lambda sensor cost for the Mercedes R172 300 (172.438)?
The price of a lambda sensor for the MERCEDES-BENZ SLC (R172) 300 2.0 ranges from £41.03 to £160.18.
What are the symptoms of a defective lambda sensor in a Mercedes-Benz Mercedes R172 R172 300 (172.438)?
A defective lambda sensor in a SLC (R172) 300 (172.438) Petrol can lead to the following failures:
- Increased fuel consumption
- Rough engine operation
- Excessive exhaust emissions
How can you check or replace the lambda sensor in a Mercedes-Benz SLC (R172) 300 2.0 (172.438) Petrol Engine?
The lambda sensor in a Mercedes-Benz SLC (R172) 300 (172.438) can be checked by inspecting the connector and the multimeter values before and after the catalytic converter. If necessary, you can replace it yourself by following the correct instructions.
Which lambda sensor does the Mercedes R172 300 (172.438) Petrol (Direct Injection) 2016 - 2025 have?
Cable length [mm] | 395; 460; 490; 500; 535; 630; 650; 735; 770 |
Weight [kg] | 0.12; 0.15; 0.18 |
Emission standard | Euro |
Exhaust system | after catalytic converter; before catalytic converter |
Lambda sensor types | Broadband oxygen sensor; Diagnostic Probe; Heated; Oxygen Sensor; Planar probe; Regulating Probe; Thread pre-greased |
Length [mm] | 500; 650 |
Overall length [mm] | 500; 630 |
Resistance | 2 - 9 |
Replacement interval | 50 000 - 90 000 km |