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
Was this manual helpful?
Please rate this manual on a scale from 1 to 5. If you have any questions, feel free to ask us.
Users voted – 0
Your profile is your personal assistant.

It can track car expenses, keep a car log and replacement schedule, and save favourite materials, notes and documents

Install the AUTODOC CLUB app!
Your personal car expenses manager, maintenance tips, reminders about upcoming appointments and service intervals, DIY repair instructions – all this on your phone.
MERCEDES-BENZ C-Class Saloon (W203) Mass Air Flow Sensor replace by yourself - Scan QR-code and download AUTODOC CLUB app
Scan

To download the app:

  • - scan the QR code
  • - download from App Store
  • - download from Google Play
DIY MERCEDES-BENZ C-Class Saloon (W203) Mass Air Flow Sensor replacement - online guide
Tips & tricks for your MERCEDES-BENZ C-Class Saloon (W203)
View more
  • How to change MAF sensor on MERCEDES-BENZ C-Class Saloon (W203) C 220 CDI (203.008) - replacement tricks
    TOP 5 mistakes when replacing shock absorbers | AUTODOC tips
  • Changing Mass air flow sensor Mercedes W203 C 220 CDI (203.006, 203.008) - Replacement Tips
    DIY car soundproofing | AUTODOC tips
  • Maintenance Hacks - MERCEDES-BENZ C-Class Saloon (W203) C 180 1.8 Kompressor (203.046) Air flow sensor replacement guide
    How to choose the right engine oil for your car | AUTODOC
  • Replace Air flow meter on Mercedes W203 - free video tips
    How to remove scratches from a car | AUTODOC tips