Hi fellow members!
I just changed my fuel filter and wanted to share some pictures on how to do it. Basically I used this guide http://r170slk.com/fuel-filter-replacement/
Great thanks to him!
Took some pictures along the way and tried to make it more detailed for our forum! Took me about 20 mins (had just enough space under the car)
Things you need:
1) Car ramps (ask your friends if they have one)
2) 10mm socket
3) Philips screwdriver
4) 4 new fuel line clamps (get some extra just in case). Stock Mercedes ones are pretty hard to snap back in.
5) Some container to catch spilled fuel (not a big one about half a quart)
6) a rag (to catch little drops)
7) May be 1 gallon gas can (filled) so you can reach the nearest gas station after successful job
Back up your car on car ramps. Make sure the position is even and secure.
Ask someone to guide while you're backing up! Put in Park and apply handbrake!
Before you start doing anything: The tank must be almost empty
. I had around a gallon in it. Disconnect the
terminal to depressurize the fuel system
and to eliminate occasional spark
Then remove the plastic shield that covers the fuel filter and pump. It is held by 3 plastic nuts (Use 10mm socket). So be careful when tightening them back!
First 2 are located towards the front of the car:
Third nut is located to the back of the car on a long "arm" of the plastic shield, all the way up
. You might need an extension to reach it.
Ok, now we have our shield removed and we have perfect access to our fuel filter:
Next thing you need to do is to get your draining container and a rug close by to catch spills. (I spilled about less than half a quart). Please, Note the direction of the filter and to where each hose connects to
! You might wanna mark them not to forget! Release 4 clamps (2 on each side). I just started squeezing them and they released. Make sure you don't damage hoses!
Passenger side (right):
Now driver's side (left). After you released all clamps and disconnected hoses, you need to loosen one screw that's tightening fuel pump and a fuel filter. (Use Philips screwdriver).
Now, simply replace the fuel filter. Assemble everything in reverse order. You might want to use new clamps since stock ones doesn't snap back in that easily. At least I couldn't get the smallest one but left 3 back in place Note: Be careful when tightening clamps. Do not over tighten and damage the hose!
Here's a picture of the new filter:
Before putting plastic shield back in start the car and check for any leaks. If everything's fine, reinstall plastic shield.
Congratulations! You're done!
Now, the most fun part
Some of you may wonder what's inside of this filter? What is it made of?
I used some brute force and opened it:
No rocket science, right?! Plastic tube and a regular filter material.
A few words from myself. I own my car for 4 years and hell knows when was the last time somebody changed this fuel filter... I used only Shell V-Power gas
. (Please, don't consider me an idiot but I take care of my sweetheart! It's either high-quality way or get another car). Not a gallon of regular gas during my use! Sometimes I do add Chevron with techron. I would say every 4,000-6,000 miles. To tell the truth, I was surprised how clean the filter was!!! Not a single residue, dirt, sand or whatsoever. It only means to me that the gas I use is really a good one!
Hope I was a little of help today!