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Mercedes W251 R 280 CDI 3.0 Lambda sensor (190 hp Diesel OM 642.950)

Recommended Lambda sensor replacement interval for Mercedes W251 R 280 CDI 3.0 (251.121, 251.026, 251.126) 190hp: every 100.000 km

Recommended part replacement interval for your car for the part category Lambda sensor: every 100.000 km

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Best lambda sensor for MERCEDES-BENZ R-Class R 280 CDI 3.0 (251.121, 251.026, 251.126) diesel
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239 items
RIDEX 3922L0232 Lambda sensor M18x1,5, Heated, D Shape
Article number: 3922L0232
Reviews - 12
  • Thread Size: M18x1,5
  • Oxygen Sensor: Heated
  • Cable Length [mm]: 260
  • Conductor Number: 5
  • Number of connectors: 6
  • Connector Shape: D Shape
  • Line insulation design: with silicone-coated woven-fibre insulation
  • Item number: 3922L0232
  • Our price: £45.99
  • Manufacturer: RIDEX
  • EAN number: 4059191738885
  • Condition: New
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In stock
-70%
compared to RRP £156.00

£45.99
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  • Thread Size: M18x1,5
  • Oxygen Sensor: Heated
  • Cable Length [mm]: 410
  • Number of circuits: 5, 410
  • Number of connectors: 6
  • Connector Shape: D Shape
  • Line insulation design: with silicone-coated woven-fibre insulation
  • Item number: 3922L0217
  • Our price: £46.49
  • Manufacturer: RIDEX
  • EAN number: 4059191749171
  • Condition: New
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In stock
-67%
compared to RRP £144.40

£46.49

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  • Thread Size: M18x1,5
  • Oxygen Sensor: Heated
  • Cable Length [mm]: 410
  • Number of circuits: 5, 330
  • Number of connectors: 6
  • Connector Shape: D Shape
  • Line insulation design: with silicone-coated woven-fibre insulation
  • Item number: 3922L0217P
  • Our price: £48.99
  • Manufacturer: RIDEX PLUS
  • EAN number: 4066423675719
  • Condition: New
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In stock
£48.99

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    • TecDoc Engine Number: OM 642.950, OM 642.870, OM 642.872
    • Exhaust System: before catalytic converter
    • Oxygen Sensor: Regulating Probe
    • not for vehicle type: BlueTec
  • Thread Size: M18x1,5
  • Oxygen Sensor: Heated
  • Cable Length [mm]: 435
  • Number of circuits: 5
  • Number of connectors: 6
  • Connector Shape: D Shape
  • Line insulation design: with silicone-coated woven-fibre insulation
  • Item number: 3922L0393
  • Our price: £58.49
  • Manufacturer: RIDEX
  • EAN number: 4064138277501
  • Condition: New
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In stock
-54%
compared to RRP £127.80

£58.49

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    • TecDoc Engine Number: OM 642.950, OM 642.870, OM 642.872
    • Exhaust System: before catalytic converter
    • Oxygen Sensor: Regulating Probe
    • not for vehicle type: BlueTec
  • Thread Size: M18x1,5
  • Oxygen Sensor: Heated
  • Cable Length [mm]: 390
  • Number of circuits: 5
  • Number of connectors: 6
  • Connector Shape: D Shape
  • Line insulation design: with silicone-coated woven-fibre insulation
  • Item number: 3922L0393P
  • Our price: £61.99
  • Manufacturer: RIDEX PLUS
  • EAN number: 4066423676303
  • Condition: New
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In stock
-66%
compared to RRP £184.24

£61.99

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  • Fitting Position: before catalytic converter
    • Engine Code: 642870, 642950
    • Oxygen Sensor: Regulating Probe
  • Thread Size: M18x1,5
  • Oxygen Sensor: Heated
  • Cable Length [mm]: 465
  • Number of circuits: 5
  • Number of connectors: 6
  • Connector Shape: D Shape
  • Line insulation design: with silicone-coated woven-fibre insulation
  • Item number: 3922L0177
  • Our price: £63.49
  • Manufacturer: RIDEX
  • EAN number: 4059191659418
  • Condition: New
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In stock
-54%
compared to RRP £137.30

£63.49

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  • Fitting Position: before catalytic converter
    • Engine Code: 642870, 642950
    • Oxygen Sensor: Regulating Probe
  • Thread Size: M18x1,5
  • Oxygen Sensor: Heated
  • Cable Length [mm]: 465
  • Number of circuits: 5
  • Number of connectors: 6
  • Connector Shape: D Shape
  • Line insulation design: with silicone-coated woven-fibre insulation
  • Item number: 3922L0177P
  • Our price: £78.99
  • Manufacturer: RIDEX PLUS
  • EAN number: 4066423663969
  • Condition: New
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In stock
-58%
compared to RRP £190.94

£78.99

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RIDEX PLUS 3922L0232P Lambda sensor M18x1,5, Heated, D Shape
Article number: 3922L0232P
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  • Thread Size: M18x1,5
  • Oxygen Sensor: Heated
  • Cable Length [mm]: 260
  • Conductor Number: 5
  • Number of connectors: 6
  • Connector Shape: D Shape
  • Line insulation design: with silicone-coated woven-fibre insulation
  • Item number: 3922L0232P
  • Our price: £95.99
  • Manufacturer: RIDEX PLUS
  • EAN number: 4066423675658
  • Condition: New
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In stock
-49%
compared to RRP £190.48

£95.99

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  • 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: £101.99
  • Manufacturer: RIDEX
  • EAN number: 4065739034524
  • Condition: New
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In stock
-52%
compared to RRP £214.30

£101.99

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  • 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: £119.99
  • Manufacturer: RIDEX PLUS
  • EAN number: 4066423682748
  • Condition: New
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In stock (Item(s) left: 6)
-63%
compared to RRP £333.18

£119.99

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RIDEX 4965N0011 NOx Sensor, NOx Catalyst Rear
Article number: 4965N0011
Reviews - 8
  • Fitting Position: Front
  • for special equipment code: U42, 474
    • for special equipment code: U42, 474
    • not for special equipment code: 928
  • Length [mm]: 615
  • Item number: 4965N0011
  • Our price: £160.99
  • Manufacturer: RIDEX
  • EAN number: 4064138274630
  • Condition: New
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In stock
-62%
compared to RRP £434.70

£160.99
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RIDEX 4965N0033 NOx Sensor, NOx Catalyst
Article number: 4965N0033
Reviews - 1
  • Cable Length [mm]: 590
  • Thread Size: M20X1,5
  • Number of pins: 5
  • Supplementary Article / Supplementary Info Info 2: Control Unit / Software must be trained / updated
  • Item number: 4965N0033
  • Our price: £226.00
  • Manufacturer: RIDEX
  • EAN number: 4066016902901
  • Condition: New
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In stock (Item(s) left: 2)
-48%
compared to RRP £439.10

£226.00

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  • Thread Size: M18x1,5
  • Oxygen Sensor: Heated
  • Cable Length [mm]: 410
  • Number of circuits: 5, 410
  • Number of connectors: 6
  • Connector Shape: D Shape
  • Line insulation design: with silicone-coated woven-fibre insulation
  • Item number: SKLS-0140389
  • Our price: £50.99
  • Manufacturer: STARK
  • EAN number: 4059191233786
  • Condition: New
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In stock
-64%
compared to RRP £144.39

£50.99

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LBS00098 Oxygen sensors Mercedes-Benz R-Class R280CDI (251.121, 251.026, 251.126) 190 hp 140 kW OM 642.872 2012 W251, V251 WAGNER LBS00098 Mercedes W251 R280CDI (251.121, 251.026, 251.126) Oxygen sensor 190 hp Diesel 2006 cost
WAGNER LBS00098 Lambda sensor without clip, before catalytic converter, M18X1.5mm, Heated, Planar probe, 5, D Shape
Article number: LBS00098
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  • Fitting Position: before catalytic converter
  • for special equipment code: 474
  • Thread Size: M18X1.5mm
  • Oxygen Sensor: Heated, Planar probe
  • Cable Length [mm]: 230
  • Overall Length [mm]: 380
  • Length [mm]: 351
  • Number of circuits: 5
  • Conductor Number: 5
  • Recommended change interval [km]: 80000
  • Weight [kg]: 0,18
  • Quality: OE EQUIVALENT
  • Number of connectors: 1
  • Supplementary Article / Supplementary Info Info 2: without clip
  • Version: A
  • Housing Colour: black
  • Connector Shape: D Shape
  • Material: Metal
  • Packaging length [cm]: 16
  • Packaging width [cm]: 6,3
  • Packaging height [cm]: 5,6
  • Net weight [kg]: 0,15
  • Number of pins: 5
  • Line insulation design: with silicone insulation
  • Item number: LBS00098
  • Our price: £58.99
  • Manufacturer: WAGNER
  • EAN number: 4060426531171
  • Condition: New
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£58.99

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LBS00017 Lambda sensor Mercedes-Benz R-Class R280CDI (251.121, 251.026, 251.126) 190 hp 140 kW OM 642.950 2006 W251, V251 WAGNER LBS00017 MERCEDES-BENZ R-Class (W251, V251) R280CDI (251.121, 251.026, 251.126) O2 sensor 190 hp Diesel 2012 cost
WAGNER LBS00017 Lambda sensor without clip, before catalytic converter, M18X1.5mm, Heated, Broadband oxygen sensor, 5, D Shape
Article number: LBS00017
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  • Fitting Position: before catalytic converter
    • Vehicle Identification Number (VIN) to: 101972
    • Construction Year to: 07 / 2009
  • Thread Size: M18X1.5mm
  • Oxygen Sensor: Heated, Broadband oxygen sensor
  • Cable Length [mm]: 195
  • Overall Length [mm]: 360
  • Length [mm]: 332
  • Number of circuits: 5
  • Conductor Number: 5
  • Recommended change interval [km]: 80000
  • Weight [kg]: 0,19
  • Quality: OE EQUIVALENT
  • Number of connectors: 1
  • Supplementary Article / Supplementary Info Info 2: without clip
  • Version: A
  • Housing Colour: black
  • Connector Shape: D Shape
  • Material: Metal
  • Packaging length [cm]: 16
  • Packaging width [cm]: 6,3
  • Packaging height [cm]: 5,6
  • Net weight [kg]: 0,16
  • Number of pins: 6
  • Line insulation design: with silicone insulation
  • Item number: LBS00017
  • Our price: £61.99
  • Manufacturer: WAGNER
  • EAN number: 4060426530532
  • Condition: New
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£61.99

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  • Fitting Position: Front, before catalytic converter, after catalytic converter
  • Oxygen Sensor: Regulating Probe, Diagnostic Probe, Thread pre-greased
  • Fabrication Number: ESL-CH-032
  • Item number: ESL-CH-032
  • Our price: £63.99
  • Manufacturer: NTY
  • EAN number: 5902048081315
  • Condition: New
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In stock (Item(s) left: 3)
£63.99

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    • TecDoc Engine Number: OM 642.950, OM 642.870, OM 642.872
    • Exhaust System: before catalytic converter
    • Oxygen Sensor: Regulating Probe
    • not for vehicle type: BlueTec
  • Thread Size: M18x1,5
  • Oxygen Sensor: Heated
  • Cable Length [mm]: 435
  • Number of circuits: 5
  • Number of connectors: 6
  • Connector Shape: D Shape
  • Line insulation design: with silicone-coated woven-fibre insulation
  • Item number: SKLS-0140553
  • Our price: £63.99
  • Manufacturer: STARK
  • EAN number: 4064138277495
  • Condition: New
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In stock
-50%
compared to RRP £127.80

£63.99

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FT54104 NOx sensor Mercedes-Benz R-Class R280CDI (251.121, 251.026, 251.126) 190 hp 140 kW OM 642.950 2009 W251, V251 Sample photo only FAST FT54104 Mercedes W251 R280CDI (251.121, 251.026, 251.126) O2 sensor 190 hp Diesel 2009 cost
FAST FT54104 Lambda sensor Broadband oxygen sensor, 5
Article number: FT54104
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  • Oxygen Sensor: Broadband oxygen sensor
  • Overall Length [mm]: 560
  • Number of circuits: 5
  • Total Length [mm]: 560
  • Item number: FT54104
  • Our price: £63.99
  • Manufacturer: FAST
  • EAN number: 5901797086039
  • Condition: New
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In stock (Item(s) left: 1)
-37%
compared to RRP £102.29

£63.99

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LBS00018 Lambda sensors Mercedes-Benz R-Class R280CDI (251.121, 251.026, 251.126) 190 hp 140 kW OM 642.870 2010 W251, V251 WAGNER LBS00018 MERCEDES-BENZ R-Class (W251, V251) R280CDI (251.121, 251.026, 251.126) Lambda sensor 190 hp Diesel 2008 cost
WAGNER LBS00018 Lambda sensor without clip, before catalytic converter, M18X1.5mm, Oxygen Sensor, 5, D Shape
Article number: LBS00018
Submit a review
  • Fitting Position: before catalytic converter
  • Construction Year to: 04 / 2009
  • Thread Size: M18X1.5mm
  • Oxygen Sensor: Oxygen Sensor
  • Cable Length [mm]: 405
  • Overall Length [mm]: 570
  • Length [mm]: 542
  • Number of circuits: 5
  • Conductor Number: 5
  • Recommended change interval [km]: 80000
  • Weight [kg]: 0,19
  • Quality: OE EQUIVALENT
  • Number of connectors: 1
  • Supplementary Article / Supplementary Info Info 2: without clip
  • Version: A
  • Housing Colour: black
  • Connector Shape: D Shape
  • Material: Metal
  • Packaging length [cm]: 16
  • Packaging width [cm]: 6,3
  • Packaging height [cm]: 5,6
  • Net weight [kg]: 0,16
  • Number of pins: 6
  • Line insulation design: with silicone insulation
  • Item number: LBS00018
  • Our price: £64.99
  • Manufacturer: WAGNER
  • EAN number: 4060426530549
  • Condition: New
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£64.99

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09SKV205 Exhaust sensor Mercedes-Benz R-Class R280CDI (251.121, 251.026, 251.126) 190 hp 140 kW OM 642.872 2011 W251, V251 LSU-4.9 ESEN SKV 09SKV205 Mercedes W251 R280CDI (251.121, 251.026, 251.126) Oxygen sensor 190 hp Diesel 2007 cost
ESEN SKV 09SKV205 Lambda sensor before catalytic converter, Regulating Probe, 12V
Article number: 09SKV205
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  • Fitting Position: before catalytic converter
  • Oxygen Sensor: Regulating Probe
  • Cable Length [mm]: 375
  • Number of pins: 5
  • Required quantity: 1
  • Weight [kg]: 0,14
  • Voltage [V]: 12
  • Operating Mode: Electric
  • Always compare old and new part (in particular OE No.)
  • Item number: 09SKV205
  • Our price: £65.99
  • Manufacturer: ESEN SKV
  • EAN number: 5906302222599
  • Condition: New
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Which lambda sensor is the best for the MERCEDES-BENZ R-Class (W251, V251) R 280 CDI (251.121, 251.026, 251.126)?

The best lambda sensors for the Mercedes W251 R 280 CDI (251.121, 251.026, 251.126) Diesel are from the following original brands:

  • RIDEX
  • YATO
  • BOSCH
  • RIDEX PLUS
  • RMS

How much does a lambda sensor cost for the Mercedes W251 R 280 CDI (251.121, 251.026, 251.126)?

The price of a lambda sensor for the MERCEDES-BENZ R-Class (W251, V251) R 280 CDI 3.0 ranges from £45.99 to £226.

What are the symptoms of a defective lambda sensor in a Mercedes-Benz Mercedes W251 W251, V251 R 280 CDI (251.121, 251.026, 251.126)?

A defective lambda sensor in a R-Class (W251, V251) R 280 CDI (251.121, 251.026, 251.126) Diesel 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 R-Class (W251, V251) R 280 CDI 3.0 (251.121, 251.026, 251.126) Diesel?

The lambda sensor in a Mercedes-Benz R-Class (W251, V251) R 280 CDI (251.121, 251.026, 251.126) 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 W251 R 280 CDI (251.121, 251.026, 251.126) Diesel (Direct Injection) 2006 - 2012 have?

Cable length [mm] 195; 230; 260; 375; 390; 405; 410; 435; 465; 590; 735; 770
Weight [kg] 0.14; 0.18; 0.19
Emission standard Euro
Exhaust system before catalytic converter
Lambda sensor types Broadband oxygen sensor; Diagnostic Probe; Heated; Oxygen Sensor; Planar probe; Regulating Probe; Thread pre-greased
Length [mm] 332; 351; 542; 615
Overall length [mm] 360; 380; 560; 570
Resistance 3 - 7
Replacement interval 130 000 - 170 000 km
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