How To Change Replace Mercedes Benz Spark Plugs And Ignition Wires - Mercedes Benz S Class S500 W220

#Mercedesbenz #Sparkplugs #Ignitionwires
Lets change our Mercedes Benz spark plug and ignition wires because we all want to maximize performance and get the most power out of our Mercedes engines. None of us want to burn more fuel than we have to, or keep visiting the SMOG check station because your car won’t pass.
By changing your spark plugs and wires you can increase the service life of your engine, get great reliability, lower fuel consumption and reduce exhaust emissions for your vehicle.
Your engine will benefit from new wires in lots a ways. This means maximum voltage to your spark plugs, longer spark times resulting in optimum engine performance and better MPG ( Miles Per Gallon). Less chance for misfires. Better emissions, meaning more chances to pass a SMOG check.
Did you know that the Mercedes Benz S500 W220 takes 16 spark plugs? That’s two spark plugs per cylinder! When Mercedes Benz was designing the S500 engine, they were focusing on maximizing engine performance and efficiency. The engine in the Mercedes Benz S500 W220 is a 5.0 liter V8. If you ask anyone that knows about engines if it’s fuel efficient they would tell you that it’s not. However, that is not the case with the Mercedes Benz S Class. With a proper running engine, the Mercedes Benz S500 W220 can get great gas mileage. One of the ways to get the most out of your engine is to change/replace your spark plugs and wires and regular service times. This will make sure that you are getting the most reliability out of your engine. Which means you can get to where you need to go whether it’s to the local grocery store, or a 3,000 mile road trip across the country. In this video I will show you how to change/replace out the Spark plugs and Spark plug wires on your Mercedes Benz S500 W200.
*** Gap spark plugs to 0.8mm (0.031 inches)
Spark Plug Torque: 28 Nm
Spark Plug Gap: .8mm (Out of the box is .040 inches)
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A word on gapping spark plugs:
"As a rule, a properly gapped spark plug will burn hot without being too wide at high rpm to cause a misfire. Ironically, the car manufacturer's recommended spark plug gap is not optimal! The recommended spark plug gap is designed to be adequate for cold starting and smooth driving on a car that is in need of an engine tune up. If you drive your car normally and tune the engine regularly, you can increase the spark plug gap by about 0.010" for better performance and better fuel economy. However, if you drive at full throttle most of the time, you should reduce the gap by about 0.010" for better performance. The spark plug itself, and the residue that forms on it, would indicate whether the gap is too big or too small. A light brownish discoloration of the tip of to porcelain insulator indicates the proper operation of the spark plugs with the gap being ideal or close to ideal for the most recent engine speeds."
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Proceeds help support this channel. Thanks!

[@maxmuscle27]

I like how you are very thorough in explaining every step. Thank you!

[@gkelly941]

Mercedes shop manual for older cars says use compressed air to blow any dirt away from the top of the spark plugs before removal, in order to keep it out of the engine and plug threads. Begin threading the new plugs by hand to avoid cross-threading the plug. For convenience, I would replace the spark plugs before re-installing the coil packs and new wires. Probably also a good time to check for leaks in the valve cover gaskets and replace them if necessary.

[@GarageDynamics]

Thanks for the advice G Kelly!

[@Yachanantheavenger]

This is the best video on how to change the plugs on your W220. My only advice would be to NOT use any die-electric grease no matter what anyone says. It will save you trouble in the long run.

[@anon8613]

Really first time I've heard this, what will happen?

[@GarageDynamics]

Thank you very much for the kind words and useful information Yachanan Banlawya HOI FL

[@jkhan856]

Yeah what will happen?

[@somatra52]

Excellent Video. Thank you !

[@JanelleSmith-mk5dz]

Ty so much for this video u should teach mechanics because u are so intriquicate with every step thanks again ...

[@flyingfish2]

Your video is very good and thorough and highly detail. I plan to fix up my mom 2001 S500 hand me down that needs tons of work, from gasket to plugs and air matic shocks. I rode this Mercedes when I was young now it's time to pay back.

[@lamarnewson9732]

Appreciate the time taken to explain thumbs up.

[@jeanalexis291]

Very helpful thanks a million 👍🏾

[@GarageDynamics]

Hey everyone! Spring time is here and summer is right around the corner! So, if you have any long trips planned, then now is a good time to upgrade your ignition system with new spark plugs and wires! Let me know how this upgrade has improved the power, performance, efficiency, and MPG in your Mercedes S Class. Cheers!

[@GarageDynamics]

@Vincenzo Caspian Nice!!

[@mohadhady9862]

I don't understand why the Mercedes Benz made this simple process as gruesome and difficult which is very easy and simple if they mark each coil in numerical order which go to either "A" or "B" spark plug. I have 2004 Mercedes Benz C240 and just plug the shortage cable to the top spark plug housing and the long one to the bottom housing and so far I have no miss fire and no problem at all.

[@robveney]

Thanks for making this video I love all the details makes everything easy when replacing

[@GarageDynamics]

Thank you for the kind words Robb Veney. You're very welcome :)

[@rEdHoUsE_1969]

Great video ... thanks A++

[@GarageDynamics]

Thanks New Jack! I'm glad to help. Cheers!

[@howardlong990]

Great video

[@wadesautoresto1450]

Thanks for sharing these tips!

[@GarageDynamics]

You're welcome Wade's Auto Resto!

[@gmoney6676...]

Thank u for showing every step and helping other people save money.

[@shakerothman6134]

very professionally done. your the best. thanks and have a great day..

[@Prophet10Joseph10]

You are a blessing.

[@edurelramirez116]

I've checked my wiring and added it back together nicely even heard the clicks on added the ignition coils back

[@virgilarce]

Hi from México ! For me the best spark its Denso Iridium , always present in my cars and motorcycles 😉

[@donaldcarter4324]

Thanx for the information 👍

[@GarageDynamics]

You're welcome Donald Carter!

[@rogerspinks8466]

Great showed the best and simple way to do this thanks

[@eugenemcclue5827]

A

[@friedrichernst6258]

You should blow compressed air around the spark plugs before removing them. Dirt may fall into engine, not good!

[@msprincessjellyface]

very professionally done. your the best. thanks and have a great day.....................

[@GarageDynamics]

Thanks for the kind worlds Dee Dee! Have a great day as well! Cheers!

[@amondhenderson6390]

Hi, John …excellent job!!!!!

[@GarageDynamics]

Hi Amond Henderson! Thank you for the kind words! Just curious. Did you go to DBHS?

[@djty155]

Gd looking fam 😎

[@johannacruz3609]

great job!!!!!!!!!!!!!!!!!!!!!

[@3736june]

Thank you

[@rosewd2]

You should have blown out the dirt around the plugs before removing them to prevent the dirt from falling down into the cylinder.

[@coreymills1520]

Oh please let me tell you something you speak loud and clear I don't have a problem understand I think you said you can't please everybody that's what you have to remember stick to the script these are great instructions and just remember people always going through Salt the game you got to put your hater blockers on and keep it moving

[@F000626D]

Love you dear The best video on KZbin to explain this with clarity Thanks

[@GarageDynamics]

Hello FaHaD AlGarni, Thank you for the kind words :)

[@lawrencewnef0307]

Outstanding and completely detail oriented work. I just don't understand why you are compelled to number 1-4 backwards??? It causes confusion in an almost perfect demonstration. However, overall, I'm extremely grateful for your help brother. Salute.

[@GarageDynamics]

Hello Lawrence Nef! Thank you for the kind words. I appreciate your keen observation. It was just one of those things that at the time made more sense to me. I'll use the correct order in future videos. I'm glad to be of service to you brother. Salute.

[@edurelramirez116]

Hey I have a misfire on a 2001 cl500 code po305 cylinder 5 / and p0300 random misfire . I did my spark plugs change today and didn't have a issues but one I was done the car stated misfiring and throwing oil out the orange cylinder above the spark plug 5 .

[@jcheng810]

Thank you for posting this video! I'll be tackling the spark plugs on my W220 S500 this Saturday. Do you recommend applying die-electric grease? If so, how to with the spark plug wires? I've done it on the coils that go directly on the spark plug but not with wires.

[@GarageDynamics]

Hello Jcheng810! You're very welcome! I hope all went well over the weekend. I do not apply die-electric grease. If you decide to apply the grease only use a small amount. Whether you use it or not, it won't affect performance.

[@baync9222]

I bought some spark plug wires but they came unlabeled. Are the 4 longer wires the only ones that matter what order they go in?

[@vr-cx6lq]

i used the factory Bosch iridium they came pre gapped engine runs fine great in depth video

[@GarageDynamics]

Thank you V R! I was thinking about buying the iridiums. I'll pick them up next time

[@vr-cx6lq]

@UCH0ueOeEKDgouZucppCXVYg im not an expert but i use only platinum and iridium oem plugs for my mercedes all my research has found that these come pre gapped and that the plugs can be damaged if you do try to gap them ive done several spark plug changes on my vehicles to no ill effect but i use only oem if it leaves the factory with them those are the ones going back in i cant speak from experiences with aftermarket plugs

[@Moist_Handshakes]

You sure factory pre gap is the right gap for your engine? Mine still ran until pre gap destroyed the coil pack.

[@vr-cx6lq]

@@Moist_Handshakes on my 2010 glk350 it gives the part number for the bosch plugs and the gap and torque spec for the plug in the factory owners manual the plugs themselves say pre gaped ive done two plug changes on this truck and never gaped the factory plugs never had any issues personally like i said im a diyer not a professional tech maybe someone with a bit more knowledge can chime in i can only speak from my own personal experience i work on my own stuff for the fun of it and saving some money

[@Bizija123]

I have 2001 s430, CYL 1 misfire pending code. Should I just try to replace just the plugs? or is it more likely plug wires, or the coil itself causing it?

[@mckinleysmith07]

I bought some coils from Amazon and I noticed how these doint have the letters on them like the original coils do. Can I still install these?

[@heikg]

Idk how you achieved this but 1.5x speed felt slow at times when you would repeat something 5 times. The fault might be in my attention span though xD Very good, thorough and precise video though.

[@TheDontae3000]

Can you do a video for 2012 S550?

[@jaychung4110]

Thank for video. I have one simple question. I have 1999 e320,157k miles on it. Everything is good except #6 cylinder misfire warning sign comes on when rainy day. When I delete it, it is gone and running fine again. I know best way is not drive car in rainy day but I want to fix it. I already replaced ignition coil, spark plug and cable. Please let me know what is the problem. Jay

[@keenanmingo1501]

Do you change the ignition wires everytime you change the spark plugs and wires?

[@anon8613]

How do you install beru wires that have more rubber instead of metal?

[@friedrichernst6258]

Mercedes says NO ANTI SEIZE GREASE

[@Okie-Tom]

Nice video. I do have a couple of questions and a couple of observations though. First of all, I am going to need to change my valve cover gaskets and spark plugs on my 2004 E500. It has leaked oil all over the coil pack and wires. What do you recommend to use to clean all of this oil off? Maybe brake clean? Second, your link to the Snap On spark plug socket did not work for me. Do you have a link for a good but less expensive spark plug socket on Amazon? Thank you. Tom

[@GarageDynamics]

Hello Tom, Thank you for the kind words. As for cleaning the valve cover mating surface. I would recommend denatured alcohol or mild degreaser. Brake cleaner may get in unwanted areas and cause harm to sensitive parts. My apologies for the link. I will update the link. Also, here are some links for future reference: 5/8" Swivel Magnetic Spark Plug Socket, 3/8" Drive: amzn.to/3UwlF2I Mercedes Spark Plug Wrench Boot Puller 17mm: amzn.to/3zYJQPb Walker Ultra Spark Plug Wire Set: amzn.to/3UEUyT6 Bosch Platinum Spark Plug: amzn.to/34qJ4b2 These links are also in the description. Hope this helps. Cheers!

[@Al-px9un]

Good video. Did you jack the engine up after unbolt the pads? It’s seems to me you had pretty good clearance between the engine and the fender.

[@GarageDynamics]

Hello Al! Thank you! I did not have to jack the engine up. Spark plugs and wires comes out without any adjustment to the engine :)

[@tuyt01]

Question - If you buy wires that don't have letters on em, you can always write it on em with a marker before installing, ensuring the correct length, long or short, from your old wires. Will that not work? Great video!

[@GarageDynamics]

Hello Tuyt01! Thanks! It's possible the marker would work. I'm not sure how the ink will handle the high temperature from the engine. It might be better to mark the rubber boot that connects to the ignition coil pack. If possible, I would recommend purchasing a spark plug wire set with the letters already marked by the manufacture. I hope this helps. Cheers!

[@chenjed5266]

benz w222 s400hybrid how to change spark plug? 😀

[@giorgiodisciullo4353]

Hi great! how much miles have this Benz?

[@passport619]

Got a 2006 Merc S430 with a misfire on cylinder 3 at right around 4k rpms. I changed plugs, wires, maf, air filter, fuel filter, coil packs and checked injectors for a clean spray pattern and im still misfiring 😖 Any recommendations appreciated.. Compression check? I switched coils and plugs around to make sure i didn't have a defective part as well. Just always cylinder 3 ☠

[@GarageDynamics]

Hello L.S., that's a bummer to hear about your situation. Misfires can be very tricky to find. I would do a compression check just to make sure you don't have worn out rings. Also double check that you're using the correct spark plug model number for your engine and that it has the proper gap. Next, check your rubber hoses around throttle body, EGR, and any hose connecting to the engine to make sure you do not have any vacuum leaks. I hope this helps. Cheers!

[@princeabdallah7522]

When changing the spark plugs do i have to change the wires as well?

[@paulmac3307]

No

[@vaughnstapleton2290]

Does the letters on the spark plug wire matter because I got some wires but they don't have on the letters on them can I still use them.

[@GarageDynamics]

Hello Vaughn Stapleton, Yes, the letters matter because you will need them to reference the wires to the correct plug in the cylinder which has to match up with the correct coil pack. I hope this helps. Cheers!

[@maddhouseaudioandvisuals3934]

Reading your description information about spark plug gap (0.010 +/- give or take depending on you driving habits). I recently received Bosch iridium plugs and the pre-gap on them are 0.044 = 1,1mm. Do you think they will work fine on my 04 Mercedes s430 base model? (I’m a “normal” driver type, not a “full throttle” kinda guy:)

[@GarageDynamics]

Hello MaddHouse Audio and Visuals! My plugs came out of the box with a .04 gap. In the Mercedes manual it recommends 0.031 inches or 0.8mm gap. I'm a normal driver too, however I still gapped mine to 0.031 inches. This was right before I went on a 2,500 mile road trip with the car so I wanted maximum MPG and it delivered. I think my record was 39mpg. I would suggest gapping your plugs to Mercedes Spec for peace of mind. I hope this helps. Cheers!

[@maddhouseaudioandvisuals3934]

SkipArtPictures many thanks for your reply. I’ve just finished my valve cover gasket replacement and spark plugs are next on my ‘04 S430. Your information helps a ton. I will be sure to gap my plugs to spec. Thanks again 👍

[@huntermusk7613]

@@GarageDynamics Hi! I have 2002 SL500 with the M113 and I was goi g to gap them at .031. Do you see any problem with that? I have searched the web and even ask the dealer in person and have not found a definitive answer. Your input would be greatly appreciated. Excellent videos by the way it helped me a lot with the valve cover job!

[@errolvanzie4765]

What is that red dipstick for? Is it for the transmission?

[@paulmac3307]

Yes.

[@ssanmor]

I took one of mine and they look just the same, I am about to change them. Did you notice any improvement in car performance after replacing them?

[@glasser2819]

what total mileage between these dual plugs service??

[@glasser2819]

if you want to restore performance ie. get some improvement... make sure the PCV system is not broken and leaking idle air because LEAN MISFIRES screw up the FUEL TRIMS! Take a look at that with ODB2 Scanner pointed at the ECM live data, engine running. 👍

[@chriswinter2400]

Ps you don't need to order the packs and you don't need to put the plugs in a certain position just route a to a b to b

[@source1newsuntoldstories535]

What is the red capped dip stick for

[@GarageDynamics]

Hello Source 1 News Untold Stories, I swapped out the dipstick because it's easy to break the handle while removing the air intake duct. The red cap is just a cover to prevent dirt from getting into the oil dipstick tube. When I check the oil level I use the OEM dipstick which I keep in my toolbox

[@janantoni3604]

The cable's are the sane.4 long 4 short on each side.do not over complicate .just don't cross over.

[@rexsiaki7291]

Thank you! I ordered wires from amazon but it had no letters on them. Can I still use them?

[@chriswinter2400]

Yes but they might be a pain if you ever need to change plugs in the future some don't have a ridge for the special tool to pull them off or the centers pull out cause they are made cheaper just a little warning you might be better off returning and getting a oem set

[@darkvador55]

@@chriswinter2400 I have the ones from FCP Euro and those don’t have the letters either so does it still matter which side the wires go in or no? It’s for 03 E500

[@chriswinter2400]

@@darkvador55 I don't think so just make sure you match a to a b to b

[@darkvador55]

@@chriswinter2400 thanks a lot

[@anon8613]

@@chriswinter2400 beru is oem, how would one remove and install them with more rubber?

[@nandansho]

Although I appreciate the video it really seems like a you could just use your hand to pull off the spark plug boots but it may be as far as buying a tool specifically to remove spark plug boots I checked and they're around $27 when any savvy mechanic can just grab a long handle 17 mm 6 bucks from wallmart, heat it up with a torch and just bend it.

[@justinhaller2055]

your calm and put the camera on tripod which is easier to follow whats going on while your doing it. Thanks.

[@steiermarkerCarli]

What are the torque setting for the plugs?

[@GarageDynamics]

Hello Carl Bobb! Here are the specs: Spark Plug Torque: 28 Nm Spark Plug Gap: .8mm (Out of the box is .040 inches) More information can be found in the description. Hope this helps. Cheers!

[@glasser2819]

Don't you find surprising a "premium" part goes bad in a hurry?

[@Moist_Handshakes]

Drop the anti-seize grease. It fucks with the grounding. I don't know. I had anti-seize and plugs gapped to far that blew my coil packs. One or the other or both. I have the V12, so my coil pack is about a thousand bucks. I have to be anal.

[@GarageDynamics]

At a thousand bucks a coil pack I can't blame you. Haha!

[@cocozazz8]

2k ohm in the wires and 6k ohm in the plugs! Probably I'll go with 1k ohm in the plugs for total 3k ohm plugs and wires

[@GarageDynamics]

Thank you for sharing your knowledge @cocozazz8

[@coreymills1520]

Speak up louder in your video please

[@Moist_Handshakes]

Every Mercedes owner should have their spark plugs gapped. I have a workshop manual good to 2010 and it plainly says, "All Mercedes gas engines get an 0.8mm gap, fool." Now, all well and good, but what about the plugs that Mercedes takes off the shelf and stuffs in an engine? Are they gonna gap each plug during assembly? Oh, hell no. Those off the shelf plugs are factory gapped to 0.040 to 0.044 inches which is a bit over 0.8mm.

[@GarageDynamics]

Maurice Searcy, That's a very interesting observation

[@cesartoledo5621]

Hey kid, thumbs up... 🤦‍♂️just don’t use yarn. Nice gloves.

[@ParsaB1]

What the hell the guy from Starbucks is doing talking about cars!!!??? FYI this machin doesn't make coffee... just saying...

[@GarageDynamics]

What the heck???? The Grand Architects of Motorsport doesn't know about the espresso machine hidden inside the Mercedes M113 engine just underneath the valve cover???? Apparently you don't know you cars, engines, or motorsports. Just saying...

[@greglopez7768]

This guy knows his stuff when it comes to the Mercedes S Class W220 his Mercedes is beautiful and in tip top condition i watch all his videos he probably has saved me thousands in repair and upkeep on my S430 thanks @garagedynamics

[@fidelcastrova4978]

I gonna pass this video my is diesel 😂😂😂😂 thank you for posting 😂😂😂

[@GarageDynamics]

Hahaha! Sounds good Fidelcastrova 😂

[@Rocco6161]

Thank you