Unbranded Universal 4 Wire Lambda Oxygen Sensor + Fitting Tool

Quality & Warranty
This item comes with a 5 Year (20,000 Mile) Warranty.

This part is a universal sensor - designed to use the connector from your old part. Full instructions are included.

Technical Specification
Lambda Sensor: Heated
Number of wires: 4

Equivalent Part Numbers
MAYBACH: 001 540 50 17, A 001 540 50 17, MERCEDES-BENZ: 001 540 5017, A 001 540 5017, SMART: 001 540 50 17, A 001 540 50 17, STEYR: 001 540 50 17, A 001 540 50 17

The only way to be 100% sure that the part will fit your vehicle is to check the part number on your original unit matches one of the above. If you are unsure please send us an eBay message with your full registration number and vehicle details.

Shipping & Returns
We send our products by the selected delivery method within 24 hours.

Any information in the compatibility table is for reference only and there may be unspecified choice options. Please check all of the images and details provided before purchase. If you purchase the part and find that it isn't right for you for any reason you have 60 days to return the item for free (UK buyers only). We always accept returns and have a no quibble policy. To qualify for free returns you must arrange the return through eBay messages. If a part is faulty a replacement will be sent out after the return and testing of the old unit. Labour claims & consequential loss claims are never accepted.

Fitment

Mercedes-Benz C-Class CL203 [2001-2008] Coupe C 320 (3199ccm 218HP 160KW Petrol)
Engine Code: M 112.946 | Fitting Position: Right | Manufactured Before: 5/ 2005 | Eng. No.: MERCEDES-BENZ M 112.946 | Regulating Probe | in front of the catalyst
Mercedes-Benz C-Class T-Model S203 [2001-2007] Estate C 240 (2597ccm 170HP 125KW Petrol)
Engine Code: M 112.912 | Fitting Position: Right | Manufactured Before: 5/ 2005 | Eng. No.: MERCEDES-BENZ M 112.912 | Regulating Probe | in front of the catalyst
Mercedes-Benz C-Class T-Model S203 [2001-2007] Estate C 32 AMG Kompressor (3199ccm 354HP 260KW Petrol)
Engine Code: M 112.961 | Fitting Position: Right | Manufactured Before: 1/ 2004 | Eng. No.: MERCEDES-BENZ M 112.961 | Regulating Probe | in front of the catalyst
Mercedes-Benz C-Class T-Model S203 [2001-2007] Estate C 320 (3199ccm 218HP 160KW Petrol)
Engine Code: M 112.946 | Fitting Position: Right | Manufactured Before: 5/ 2005 | Eng. No.: MERCEDES-BENZ M 112.946 | Regulating Probe | in front of the catalyst
Mercedes-Benz C-Class T-Model S203 [2001-2007] Estate C 55 AMG (5439ccm 367HP 270KW Petrol)
Engine Code: M 113.988 | Fitting Position: Right | Eng. No.: MERCEDES-BENZ M 113.988 | Regulating Probe | in front of the catalyst
Mercedes-Benz C-Class W203 [2000-2007] Saloon C 240 (2597ccm 170HP 125KW Petrol)
Engine Code: M 112.912 | Fitting Position: Right | Manufactured Before: 5/ 2005 | Eng. No.: MERCEDES-BENZ M 112.912 | Regulating Probe | in front of the catalyst
Mercedes-Benz C-Class W203 [2000-2007] Saloon C 32 AMG Kompressor (3199ccm 354HP 260KW Petrol)
Engine Code: M 112.961 | Fitting Position: Right | Manufactured Before: 1/ 2004 | Eng. No.: MERCEDES-BENZ M 112.961 | Regulating Probe | in front of the catalyst
Mercedes-Benz C-Class W203 [2000-2007] Saloon C 320 (3199ccm 218HP 160KW Petrol)
Engine Code: M 112.946 | Fitting Position: Right | Manufactured Before: 5/ 2005 | Eng. No.: MERCEDES-BENZ M 112.946 | Regulating Probe | in front of the catalyst
Mercedes-Benz C-Class W203 [2000-2007] Saloon C 55 AMG (5439ccm 367HP 270KW Petrol)
Engine Code: M 113.988 | Fitting Position: Right | Eng. No.: MERCEDES-BENZ M 113.988 | Regulating Probe | in front of the catalyst
Mercedes-Benz CLK A208 [1998-2002] Convertible 200 Kompressor (1998ccm 163HP 120KW Petrol)
Engine Code: M 111.956 | Engine Code: M 113.987 | Regulating Probe | in front of the catalyst
Mercedes-Benz CLK A209 [2003-2010] Convertible CLK 240 (2597ccm 170HP 125KW Petrol)
Engine Code: M 112.912 | Fitting Position: Right | Eng. No.: MERCEDES-BENZ M 112.912 | Regulating Probe | in front of the catalyst
Mercedes-Benz CLK A209 [2003-2010] Convertible CLK 320 (3199ccm 218HP 160KW Petrol)
Engine Code: M 112.955 | Fitting Position: Right | Eng. No.: MERCEDES-BENZ M 112.955 | Regulating Probe | in front of the catalyst
Mercedes-Benz CLK A209 [2003-2010] Convertible CLK 500 (4966ccm 306HP 225KW Petrol)
Engine Code: M 113.968 | Fitting Position: Right | Manufactured Before: 7/ 2006 | Eng. No.: MERCEDES-BENZ M 113.968 | Regulating Probe | in front of the catalyst
Mercedes-Benz CLK A209 [2003-2010] Convertible CLK 55 AMG (5439ccm 367HP 270KW Petrol)
Engine Code: M 113.987 | Fitting Position: Right | Eng. No.: MERCEDES-BENZ M 113.987 | Regulating Probe | in front of the catalyst
Mercedes-Benz CLK C208 [1997-2002] Coupe 200 Kompressor (1998ccm 163HP 120KW Petrol)
Engine Code: M 111.956 | Manufactured Before: 4/ 2002 | Eng. No.: MERCEDES-BENZ M 111.956 | Regulating Probe | in front of the catalyst
Mercedes-Benz CLK C209 [2002-2009] Coupe 240 (2597ccm 170HP 125KW Petrol)
Engine Code: M 112.912 | Fitting Position: Right | Eng. No.: MERCEDES-BENZ M 112.912 | Regulating Probe | in front of the catalyst
Mercedes-Benz CLK C209 [2002-2009] Coupe 320 (3199ccm 218HP 160KW Petrol)
Engine Code: M 112.955 | Fitting Position: Right | Eng. No.: MERCEDES-BENZ M 112.955 | Regulating Probe | in front of the catalyst
Mercedes-Benz CLK C209 [2002-2009] Coupe 500 (4966ccm 306HP 225KW Petrol)
Engine Code: M 113.968 | Fitting Position: Right | Manufactured Before: 7/ 2006 | Eng. No.: MERCEDES-BENZ M 113.968 | Regulating Probe | in front of the catalyst
Mercedes-Benz CLK C209 [2002-2009] Coupe 55 AMG (5439ccm 367HP 270KW Petrol)
Engine Code: M 113.987 | Fitting Position: Right | Eng. No.: MERCEDES-BENZ M 113.987 | Regulating Probe | in front of the catalyst
Mercedes-Benz E-Class S210 [1996-2003] Estate E 200 T Kompressor (1998ccm 163HP 120KW Petrol)
Engine Code: M 111.957 | Manufactured After: 9/ 2000 | Manufactured Before: 1/ 2003 | Eng. No.: MERCEDES-BENZ M 111.957 | Diagnostic Probe | Post-catalyst
Mercedes-Benz E-Class S210 [1996-2003] Estate E 200 T Kompressor (1998ccm 186HP 137KW Petrol)
Engine Code: M 111.947 | Manufactured After: 7/ 1999 | Manufactured Before: 1/ 2003 | Eng. No.: MERCEDES-BENZ M 111.947 | Diagnostic Probe | Post-catalyst
Mercedes-Benz E-Class W210 [1995-2002] Saloon E 200 Kompressor (1998ccm 163HP 120KW Petrol)
Engine Code: M 111.957 | Manufactured After: 9/ 2000 | Eng. No.: MERCEDES-BENZ M 111.957 | Diagnostic Probe | Post-catalyst
Mercedes-Benz S-Class C215 [1999-2006] Coupe CL 600 (5786ccm 367HP 270KW Petrol)
Engine Code: M 137.970 | Manufactured After: 9/ 1999 | Manufactured Before: 8/ 2002 | Eng. No.: MERCEDES-BENZ M 137.970 | Regulating Probe | in front of the catalyst
Mercedes-Benz S-Class W220 [1998-2005] Saloon S 600 (5786ccm 367HP 270KW Petrol)
Engine Code: M 137.970 | Eng. No.: MERCEDES-BENZ M 137.970 | Regulating Probe | in front of the catalyst | Quantity required: 4
Mercedes-Benz SL R230 [2001-2012] Convertible 500 (4966ccm 306HP 225KW Petrol)
Engine Code: M 113.963 | Manufactured Before: 12/ 2005 | Engine Code: M 113.963 | Regulating Probe | Quantity required: 2
Mercedes-Benz SL R230 [2001-2012] Convertible 55 AMG (5439ccm 476HP 350KW Petrol)
Engine Code: M 113.992 | Eng. No.: MERCEDES-BENZ M 113.992 | Regulating Probe | in front of the catalyst | Quantity required: 2
Mercedes-Benz SL R230 [2001-2012] Convertible 55 AMG (5439ccm 517HP 380KW Petrol)
Engine Code: M 113.995 | Eng. No.: MERCEDES-BENZ M 113.995 | Regulating Probe | in front of the catalyst | Quantity required: 2
Mercedes-Benz SL R230 [2001-2012] Convertible 55 AMG Kompressor (5439ccm 500HP 368KW Petrol)
Engine Code: M 113.992 | Manufactured Before: 12/ 2005 | Eng. No.: MERCEDES-BENZ M 113.992 | Regulating Probe | in front of the catalyst | Quantity required: 2
Mercedes-Benz SLK R170 [1996-2004] Convertible 32 AMG Kompressor (3199ccm 354HP 260KW Petrol)
Engine Code: M 112.960 | Manufactured Before: 3/ 2004 | Eng. No.: MERCEDES-BENZ M 112.960 | for left-hand drive vehicles | Regulating Probe | in front of the catalyst
Mercedes-Benz SLK R170 [1996-2004] Convertible 320 (3199ccm 218HP 160KW Petrol)
Engine Code: M 112.947 | Manufactured Before: 3/ 2004 | Eng. No.: MERCEDES-BENZ M 112.947 | for left-hand drive vehicles | Regulating Probe | in front of the catalyst