Recommended replacement interval for the part category Lambda Sensor : 100000 km
Important!
This replacement procedure can be used for:
MERCEDES-BENZ C-Class Saloon (W203) C 240 (203.061), MERCEDES-BENZ C-Class T-modell (S203) C 240 (203.261)

The steps may slightly vary depending on the car design.

How to change lambda sensor on MERCEDES-BENZ W203 C-Class [TUTORIAL AUTODOC]

Replacement: lambda sensor – Mercedes W203. Tools you need:
Replacement: lambda sensor – Mercedes W203. Tools you need:
Wire brush
WD-40 spray
Electronic spray
High-temperature ceramic grease
Torque wrench
Combination spanner #22
Drive socket # 8
22-mm oxygen sensor socket
Ratchet wrench
Thread tap
Fender cover
All the parts you need to replace – Lambda Sensor for C-Class Saloon (W203) and other MERCEDES-BENZ models
How to change Lambda Sensor on Mercedes W203 C 220 CDI 2.2 (203.006) – step-by-step instructions for straightforward car repair
Lambda Sensor
How to change Lambda Sensor on MERCEDES-BENZ C-Class Saloon (W203) C 240 (203.061) – tips for proper car maintenance
MERCEDES-BENZ C-Class Saloon (W203) C 240 (203.061)
Simple DIY car repair steps – Replacing Lambda Sensor on MERCEDES-BENZ C-Class T-modell (S203) C 240 (203.261)
MERCEDES-BENZ C-Class T-modell (S203) C 240 (203.261)
How to change Socket, lambda probe on Mercedes W203 C 220 CDI 2.2 (203.006) – step-by-step instructions for straightforward car repair
Socket, lambda probe
How to change Socket, lambda probe on MERCEDES-BENZ C-Class Saloon (W203) C 240 (203.061) – tips for proper car maintenance
MERCEDES-BENZ C-Class Saloon (W203) C 240 (203.061)
Simple DIY car repair steps – Replacing Socket, lambda probe on MERCEDES-BENZ C-Class T-modell (S203) C 240 (203.261)
MERCEDES-BENZ C-Class T-modell (S203) C 240 (203.261)
Replacement: lambda sensor – Mercedes W203. AUTODOC experts recommend:
  • After replacing the oxygen sensor, clear the trouble code from the electronic control unit and let the ECU adapt itself to the new sensor.
  • All work should be done with the engine stopped.
Replacement: lambda sensor – Mercedes W203. Recommended sequence of steps:
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DIY MERCEDES-BENZ C-Class Saloon (W203) Lambda Sensor replacement - online guide
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