Spark Plug Replacement W221 2007-2011 Mercedes -Benz S550 Spark Plug Replacement 

Hey, you made this video 4 years ago but have saved people a lot of money. Kudos to you my man! I just replaced mine using your detailed video. Thank you!

I tackled this myself after watching your video. Thanks for saving me the cost of having to pay someone to do it. Thanks again.

I don’t believe I’ve ever changed spark plugs as easily as these changed. Amazingly simple.

Mercedes says DO NOT use any kind of anti-seize on spark plugs

Thanks for this man you saved me $1200

Thanks man. Very kind of you to show us.

A tip when replacing the left and right air tubes is Mark a line with a black eraser to know exactly where it's aligned to fit perfectly.

Great video and Explanation thank you!! make my job easy..

Great Video Sir! Very Much appreciated! Thank you for sharing your experience and knowledge!😉

AutoZone sells a socket that has a dedicated extension built into the body. The advantage of this design is you don’t have to worry about the extension coming out during renovator installation. This also has a small magnet in the body that keeps the plug from falling out of the socket and either getting stuck or worse the electrode tip breaking off and falling into the cylinder causing pretty certain engine damage. Extension has a limited range ball joint which allows some angling of the socket. This design does work and should help for the removal of the rear bank of plugs on front wheel drive vehicles. I mention AutoZone but also see them on Amazon with either a 6 or 10” extension bar. The socket is built into the design so no changing socket sizes for multiple diameter plugs. I have three vehicles two current and another previous that all used the same size plug so I definitely am getting my money’s worth out of it. I say dedicated spark plug but you could use it for pretty much any bolt that would require a 5/8” deep well socket.

Great Video! I would just recommend unplugging battery underneath the hood first as the car is still grounded. Metal on metal contact can create a spark or even worse, a short.

Thanks

Thanks for a great tutorial! Did you get an error that caused you to change it? If so, what was the code? Did you end up changing all of them? Thanks in advance.

Thanks for sharing. I’d like get your take on extended warranty on this thing. I picked up a 2013 s550 with 52000km on it at the moment. The car is in great shape. I’ve been wondering if I should keep this exclusion warranty that covers next 3 years/50k for around $3500 with $200 deductible. Yes, I can do the basic maintenance stuff myself or with help from my mechanic friends. And I know there’s no one answer for all on this. I’m inclined to save that money and get a diagnostic tool. By the way, I tend to only drive less than 10k km a year. Would love to hear your thoughts! Thanks!

good

Literally the easiest car I have ever changed plugs on.

I wish my S600 was like that

Anybody have a video for the valve cover gaskets for this thing ?

I have a 2008 s63 amg i was wondering if i change the spark plugs would thats make the car quicker

I have seen videos with some Mercedes V6 and V8 engines with two spark plugs per cylinder. What years and models were they?