In this video, I show you how to install new air filters into a W203 Mercedes C-Class with a V6.
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Cabin air filters were introduced in the early 1990’s. Which models have them. In particular which W124 chassis sedans coupes and wagons have them? See all videos Help fund this YouTube channel by purchasing my in-depth Mercedes repair videos. Over 160 available or purchase my repair kits or specialty tools :
The importance of inspecting and / or changing your car’s air filter(s) is covered in this video. You will get to see an example of some real bad maintenance. This is a nuts and bolts series and is well suited to the average DIY mechanic.
In this multi-part video series, Kent covers some of the most common service and maintenance you can do on these cars yourself. Once again, if you are going to own one and you want a happy and long lasting “marriage” you had better learn how to do some of the maintenance yourself. The series begins will some of the simple things you can do if you are just starting out working on your own Benz and will move on to some of the more difficult intermediate D.I.Y. jobs.
To see all the videos in this series go to the playlist:
Fuel Filter Replacement
Make sure you change out your fuel filters at the regularly schedule times and do not let them get as bad as the ones on our project car
Applies to: 300TD (1979-85), 230 (1977-78), 240D (1977-83), 280CE (1978-81), 280E (1977-81), 300CD (1978-85), 300D (1977-85)
Tab:$12 to $25
Tools:Philips screwdriver, 24mm socket
Mercedes-Benz W123 (1977-85)
Hot Tip:Use the hand pump before attempting to start
Performance Gain:Better running motor
Complementary Modification:Change air filter
There are two fuel filters on the W123 300TD; one is on the supply line and is a clear filter, the other attaches to the lines and bracket behind the power steering pump. Changing the filters is easy and should be part of your regularly scheduled maintenance. One tip is to make sure you fill the metal filter with as much diesel as you can when installing and use the hand pump to move air out of the system, this will make start up easier after you have changed the filters.
When you are working with fuel always remember to take safety precautions; wear gloves and eye protection and work in well ventilated areas. Remember never have an open flame, space heaters or open incandescent lights near your project. Always have a fire extinguisher at arm’s reach and make sure it is fully charged.
Over the years your car may have been serviced by multiple people including previous owners and this can lead to parts replaced with different size fasteners and hardware. The sizes of the nuts and bolts we give may be different from what you have so be prepared with different size sockets and wrenches.
Our vehicle may vary slightly from yours as Mercedes redesigned systems and sub-system as the models developed over the years. If something is different on your vehicle please let us know and share your info to help other users. If you have any questions or comments or even a different procedure you would like to share please leave it below and please leave your vehicle information.
Watch this video for common Mercedes Benz Air Conditioner problems and solutions.
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Increase your MPG !! Change your air filter in under 15 minutes !!
Click on AMAZON links below for CHEAPEST prices on the items in this video
Mann Air filter (recommended by Mercedes) – $30 –
FRAM air filter – $13 w/ free shipping –
Mahle Air filter – $20 w/ free shipping –
Gator Grip Socket – $7 w/ free shipping
How to change the engine air filter and cabin air filter on a Mercedes Benz. This was performed on a ML/ GL SUV platform, but similar instructions follow for all Mercedes cars.
You can use the Amazon Part search to find you fit:
What I used for a 2008 Mercedes GL
Mann Filter C 3698/3-2 Air Filter Element, (Set of 2)
Mann-Filter CUK 2646-2 Carbon Activated Cabin Filter
Mercedes Benz S430 Engine Air Filter