FCP Euro's DIY Blog

Greg Duffield

Greg Duffield is a Mercedes-Benz Master Technician from the Portland, OR area. Because keeping a high-mileage 450SEL and ML350 on the road is not enough, he is always interested in another old/cheap car project.

Recent Posts

Mercedes-Benz Chassis Codes Explained

Posted by Greg Duffield
on Jan 31, 2017
By working in a Mercedes shop, I have the opportunity to be around Mercedes parts both old and new. When you line up several cars of the ... Read more

Topics: Miscellaneous, Do-It-Yourself, Mercedes

Mercedes 7-speed Transmission Service Walkthrough (722.9 Transmissions)

Posted by Greg Duffield
on Aug 19, 2015
To ensure long life and peace of mind in your 7-speed (722.9) Mercedes transmission, servicing it periodically is a must. The 7-speed ... Read more

Topics: Miscellaneous, Mercedes

8 Types of Sellers on Craigslist

Posted by Greg Duffield
on Aug 15, 2015
I do a lot of window shopping on Craigslist. I actually consider it one of my favorite forms of entertainment. Doing the homework and ... Read more

Topics: Miscellaneous

Mercedes 5-speed Transmission Service Walkthrough (722.6 Transmissions)

Posted by Greg Duffield
on Aug 2, 2015
Originally touted as the “maintenance free” transmission, the 5-speed automatic that began appearing in the late 1990s was an excellent and ... Read more

Topics: Do-It-Yourself, Mercedes

Why Won’t My Mercedes Diesel Shut Off? (W123, W116, W126)

Posted by Greg Duffield
on Jun 17, 2015
Have you ever pulled up to a valet drive in your Mercedes Benz only to have the engine continue to run? Did you go through the further ... Read more

Topics: Do-It-Yourself, Mercedes

Mercedes-Benz Cabin Filter Replacement (C-Class, GLK, E-Class)

Posted by Greg Duffield
on Jun 13, 2015
The newer C-Classes and E-Classes like the Mercedes E350 have really made cabin filter replacement much more of a chore. No longer are the ... Read more

Topics: Do-It-Yourself, Mercedes

How To Fix Mercedes-Benz Wagon Poor Ride Quality (W210, W124, W123)

Posted by Greg Duffield
on Jun 7, 2015
If you have an older Mercedes station wagon (pre-2004) you have probably dealt with poor ride quality at some point. I like to compare it to ... Read more

Topics: Miscellaneous

Mercedes-Benz ML and GL Manual Tailgate Conversion (W164 and X164)

Posted by Greg Duffield
on Jun 3, 2015
A common ailment to the 2006-2012 Mercedes-Benz ML and GL (W164 and X164) is the automatic tailgate. The automatic tailgate is an option ... Read more

Topics: Miscellaneous

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