How to carry out replacement: Mass Air Flow Sensor ML 270 CDI 2.7 (163.113) ML W163
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Change ML W163 ML 350 3.7 (163.157) Mass Air Flow Sensor yourself – manuals and video tutorials

How to change mass air flow sensor on MERCEDES-BENZ M-Class (W163) – replacement guide

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Important!
This replacement procedure can be used for:
MERCEDES-BENZ M-Class (W163) ML 320 (163.154) … View more

The steps may slightly vary depending on the car design.

This video shows the replacement procedure of a similar car part on another vehicle

All the parts you need to replace – Mass Air Flow Sensor for M-Class (W163) and other MERCEDES-BENZ models
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How to change Mass air flow sensor on ML W163 ML 270 CDI 2.7 (163.113) – step-by-step instructions for straightforward car repair Mass air flow sensor
Tools
Replacement: mass air flow sensor – MERCEDES-BENZ M-CLASS (W163). Tools you need:
Electronic spray
Crow bar
Microfibre towel
Fender cover
Buy tools
Replacement: mass air flow sensor – MERCEDES-BENZ M-CLASS (W163). 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-BENZ M-CLASS (W163). Take the following steps:
  1. Step 1
    Open the bonnet.
    Step 2
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
    Step 3
    How to change Mass Air Flow Sensor on ML W163 1998 - free PDF and video manuals
    Remove the engine cover.
    AUTODOC recommends:
    Replacement: mass air flow sensor – MERCEDES-BENZ M-CLASS (W163). Do not use excessive force when removing the part as this may damage it.
  2. Step 4
    How to replace MERCEDES-BENZ M-Class (W163) ML 270 CDI 2.7 (163.113) 1999 Mass Air Flow Sensor - step-by-step manuals and video guides
    Remove the air intake hoses.
  3. Step 5
    ML W163 ML 320 3.2 (163.154) 2000 Mass Air Flow Sensor replacement: free workshop manuals
    Clean the air filter cover and housing.
  4. Step 6
    Changing Mass Air Flow Sensor on MERCEDES-BENZ M-Class (W163) ML 55 AMG 5.4 (163.174) 2001 by yourself
    Remove the air filter housing.
    AUTODOC recommends:
    Replacement: mass air flow sensor – MERCEDES-BENZ M-CLASS (W163). Do not use excessive force when removing the part as this may damage it.
  5. Step 7
    How to remove MERCEDES-BENZ M-CLASS ML 430 4.3 (163.172) 2002 Mass Air Flow Sensor - online easy-to-follow instructions
    Detach the mass air flow sensor connector.
  6. Step 8
    How to replace Mass Air Flow Sensor on MERCEDES-BENZ M-Class (W163) 2003: download PDF manuals and video instructions
    Release the mass air flow sensor retaining clips. Use a crowbar.
  7. Step 9
    How hard is it to do yourself: Mass Air Flow Sensor replacement on ML W163 ML 500 5.0 (163.175) 2004 - download illustrated guide
    Cover the throttle body with a microfibre towel to prevent dust and dirt from getting into the system.
  8. Step 10
    Need to know how to renew Mass Air Flow Sensor on MERCEDES-BENZ M-CLASS 2005? This free workshop manual will help you to do it yourself
    Clean the mounting seat of the mass air flow sensor.
  9. Step 11
    Changing of Mass Air Flow Sensor on ML W163 1998 won't be an issue if you follow this illustrated step-by-step guide
    Remove the microfibre towel from the throttle body.
  10. Step 12
    MERCEDES-BENZ M-CLASS ML 350 3.7 (163.157) Mass Air Flow Sensor replacement: online guides and video tutorials
    Release the mass air flow sensor retaining clips. Use a crowbar.
  11. Step 13
    Replacing Mass Air Flow Sensor on ML W163 2000 ML 270 CDI 2.7 (163.113) by yourself
    Remove the mass air flow sensor.
  12. Step 14
    M-Class (W163) ML 430 4.3 (163.172) 2001 Mass Air Flow Sensor DIY replacement workshop manual
    Install a new mass air flow sensor. Make sure you hear a click indicating that it is locked in place.
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