Important!
This replacement procedure can be used for:
MERCEDES-BENZ C-Class Saloon (W203) C 320 (203.064), MERCEDES-BENZ C-Class Saloon (W203) C 320 4-matic (203.084), MERCEDES-BENZ C-Class Saloon (W203) C 240 (203.061) View more

The steps may slightly vary depending on the car design.

How to change mass air flow sensor on MERCEDES-BENZ W203 C-Class [TUTORIAL AUTODOC]

video
All the parts you need to replace – Mass Air Flow Sensor for C-Class Saloon (W203) and other MERCEDES-BENZ models
How to change Mass air flow sensor on Mercedes W203 C 220 CDI (203.006, 203.008) – step-by-step instructions for straightforward car repair
Mass air flow sensor
How to change MAF sensor on Mercedes W203 C 220 CDI (203.006, 203.008) – step-by-step instructions for straightforward car repair
MAF sensor
Tools
Replacement: mass air flow sensor – Mercedes W203. Tools you need:
Electronic spray
Crow bar
Microfibre towel
Fender cover
Replacement: mass air flow sensor – Mercedes W203. AUTODOC experts recommend:
  • Сlear the trouble codes from the electronic control unit if necessary.
  • Make sure that no dust or dirt gets into the air duct components and the throttle body.
  • All work should be done with the engine stopped.
Replacement: mass air flow sensor – Mercedes W203. Take the following steps:
  1. Step 1
    How to change Mass Air Flow Sensor on Mercedes W203 2000 - free PDF and video manuals
    Open the bonnet.
  2. Step 2
    How to replace MERCEDES-BENZ C-Class Saloon (W203) C 220 CDI (203.006, 203.008) 2001 Mass Air Flow Sensor - step-by-step manuals and video guides
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
  3. Step 3
    Mercedes W203 C 180 1.8 Kompressor (203.046) 2002 Mass Air Flow Sensor replacement: free workshop manuals
    Remove the engine cover.
    AUTODOC recommends:
    Replacement: mass air flow sensor – Mercedes W203. Do not use excessive force when removing the part as this may damage it.
  4. Step 4
    Changing Mass Air Flow Sensor on MERCEDES-BENZ C-Class Saloon (W203) C 200 CDI (203.004) 2003 by yourself
    Remove the air intake hoses.
  5. Step 5
    How to remove MERCEDES-BENZ C-CLASS C 200 CDI 2.2 (203.007) 2004 Mass Air Flow Sensor - online easy-to-follow instructions
    Clean the air filter cover and housing.
  6. Step 6
    How to replace Mass Air Flow Sensor on MERCEDES-BENZ C-Class Saloon (W203) 2005: download PDF manuals and video instructions
    Remove the air filter housing.
    AUTODOC recommends:
    Replacement: mass air flow sensor – Mercedes W203. Do not use excessive force when removing the part as this may damage it.
  7. Step 7
    How hard is it to do yourself: Mass Air Flow Sensor replacement on Mercedes W203 C 200 2.0 Kompressor (203.045) 2006 - download illustrated guide
    Detach the mass air flow sensor connector.
  8. Step 8
    Need to know how to renew Mass Air Flow Sensor on MERCEDES-BENZ C-CLASS 2007? This free workshop manual will help you to do it yourself
    Release the mass air flow sensor retaining clips. Use a crowbar.
  9. Step 9
    Changing of Mass Air Flow Sensor on Mercedes W203 2000 won't be an issue if you follow this illustrated step-by-step guide
    Cover the throttle body with a microfibre towel to prevent dust and dirt from getting into the system.
  10. Step 10
    MERCEDES-BENZ C-CLASS C 200 1.8 Kompressor (203.042) Mass Air Flow Sensor replacement: online guides and video tutorials
    Clean the mounting seat of the mass air flow sensor.
  11. Step 11
    Replacing Mass Air Flow Sensor on Mercedes W203 2002 C 220 CDI (203.006, 203.008) by yourself
    Remove the microfibre towel from the throttle body.
  12. Step 12
    C-Class Saloon (W203) C 200 CDI 2.2 (203.007) 2003 Mass Air Flow Sensor DIY replacement workshop manual
    Release the mass air flow sensor retaining clips. Use a crowbar.
  13. Step 13
    How to change Mass Air Flow Sensor on MERCEDES-BENZ C-Class Saloon (W203) 2004 - tips and tricks
    Remove the mass air flow sensor.
  14. Step 14
    Step-by-step recommendations for DIY replacement Mercedes W203 2005 C 200 CDI 2.2 (203.007) Mass Air Flow Sensor
    Install a new mass air flow sensor. Make sure you hear a click indicating that it is locked in place.
Comments – 1
  • @user_2011301
    18.11.2023 07:31
    Member
    What is the cause of restrictions of asuloration
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DIY MERCEDES-BENZ C-Class Saloon (W203) Mass Air Flow Sensor replacement - online guide
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