Mercedes-Benz C300 Spark Plug & Ignition Coil Replacement DIY (2015-2021 Mercedes W205, M274 Engine)

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►Replacing your Mercedes C300 spark plugs and ignition coils is a great way to care for your car while saving money. The spark plug and ignition coil ignite the unburnt fuel and air mixture inside the combustion chamber to produce the engine's power. When the plugs or coils fail, you can lose power, fuel economy, have a rough running engine, and have a hard time starting the vehicle. Typical plug life is around 50,000-miles. Ignition coils can last as long as 100,00-miles but will likely need replacement closer to the 75,000-mile range.
Watch along as Mike Hidalgo, FCP Euro's Professional DIY'er takes you through a Mercedes-Benz C300 spark plug replacement.
Index:
00:00 - Intro & Tools Neeeded
01:30 - Mercedes W205 Engine Cover Removal
02:20 - Mercedes W205 Ignition Coil Removal
04:40 - Mercedes W205 Spark Plug Replacement
06:25 - Mercedes W205 Ignition Coil Replacement
10:35 - Mercedes W205 Engine Cover Install
10:51 - Wrap-Up
Shop the parts used in this video:
Mercedes W205 Ignition Kit: www.fcpeuro.com/products/merc...
This video applies to the following vehicles:
CLA250 W117/156
2014 Mercedes-Benz CLA250
2015 Mercedes-Benz CLA250
2016 Mercedes-Benz CLA250
2017 Mercedes-Benz CLA250
2018 Mercedes-Benz CLA250
2019 Mercedes-Benz CLA250
GLA250 W117/156
2015 Mercedes-Benz GLA250
2016 Mercedes-Benz GLA250
2017 Mercedes-Benz GLA250
2019 Mercedes-Benz GLA250
2020 Mercedes-Benz GLA250
C300 M274
2015 Mercedes-Benz C300
2016 Mercedes-Benz C300
2017 Mercedes-Benz C300
2018 Mercedes-Benz C300
Metris M274
2016 Mercedes-Benz Metris
2017 Mercedes-Benz Metris
2018 Mercedes-Benz Metris
GLC300 M274
2016 Mercedes-Benz GLC300
2017 Mercedes-Benz GLC300
2018 Mercedes-Benz GLC300
SLK300 M274
2016 Mercedes-Benz SLK300
C350e M274
2016 Mercedes-Benz C350e
2017 Mercedes-Benz C350e
2018 Mercedes-Benz C350e
SLC300 M274
2017 Mercedes-Benz SLC300
2018 Mercedes-Benz SLC300
E300 M274
2017 Mercedes-Benz E300
2018 Mercedes-Benz E300
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www.fcpeuro.com/page/lifetime...
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Опубликовано:

23 июл 2024

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Комментарии : 49

@jayliu1572 9 месяцев назад

Really really detailed instructions! Thank you so much for all 🙏🙏🙏🙏

@karlbk1 5 месяцев назад

Just bought the coil kit from FCP Euro! Excellent prices. I'll be back to buy parts for my Cayenne S ;-)

@thelife161 4 месяца назад

Good job , good video, everything understand .

@kelseymcdonnell6376 2 года назад

These videos are so calming. Thanks, Mike Hidalgo!

@fcpeuro 2 года назад

Thank you for watching Kelsey McDonnell!

@dirtyminerapparel Год назад

NGK doesn’t actually recommend indexing the plugs and it’s a nominal difference in power at 1% so 245hp will yield 2.45hp gain total. I just did my E300 plugs at 59k and the electrodes showed signs of wear so maybe 100+k on stock plugs is a bad idea. I also didn’t need to unplug my coils to remove them. I just pulled the clips loose for any cables or wires stopping me from wiggling them out. I used anti-seize on the new ones and some dielectric grease in the boot. It was a quick process and I can’t stress enough how important it is to use compressed air around the plugs before you remove them. It’s hard to believe how much dirt and debris gets down around the plugs. I also took care of the P0D6A DTC by dropping the rack, subframe and oil pan and replacing the harness behind the harmonic balancer and the diverter valve. I used Victor Reinz Reinzosil sealer on the pan as per a recommendation from another shop. If you do this job remember there is a bolt for the oil pan inside the bottom access cover just above the oil level indicator sensor. I should also mention that I get all my service parts from FCP Euro including the harness, the diverter valve and my oil change parts. I will be ordering the trans service kit soon. Thanks FCP Euro!

@mountainserenity9347 6 месяцев назад

Did you actually index the plugs? You mentioned the marks, but never said how to line them up if you did so. Thanks!

@Kiss__Kiss 2 года назад

Hot damn!! Another Mike "Bro Bro with the Mo Mo" Hildalgo video?? Glad to see you cleaned up before all that CRUD went down the spark plug holes, Mike.. Well Done, Dude!!!

@slin1490 2 года назад

How did you check the spark plug was indexed properly? You mentioned a mark on the socket but didn't show checking it.

@egonzalez863 5 месяцев назад

that’s what I was wondering.

@JON3SHG Год назад

How do you know if you need 272, 273 or 274 any markings or label on the coils? Thanks

@rjproductionrjvlog5897 11 месяцев назад

can you do a video on w205 m274 engine fuel replace diy

@troynazir 2 года назад

Can you tell me if I leave the aircon vent flap permanently open is OK? Cos the flap is damaged n closed. Therefore I can replace it or leave it open permanently. Which option is better?

@NWGarage Год назад

Why do they reccomend using a 12 point socket ?

@XxBigBrotherxXX 3 месяца назад

2019 GLC300 is different?

@miguelmarrero100 5 месяцев назад

Thank you for your expertise my brother you’re a bad a…..

@ianblake2630 Год назад

Which fuse control the coil ? I’ve been searching and can’t find it

@davidhall3747 Год назад

The PCM sends voltage to the Coil Packs. If in doubt, read the Schematic.

@seanbonds4516 2 года назад

Thoughts on a 08 e350 Benz with amg sports package with 230k miles

@fcpeuro 2 года назад

Just breaking in!

@seanbonds4516 2 года назад

@@fcpeuro it’s a even swap with my f 150 because the owner is in need of truck for his business. Should I do it! Thanks

@Wamautotainment 8 месяцев назад

Did you have to gap the new spark plug since they’re aftermarket?

@fcpeuro 7 месяцев назад

Hello, these are pre-gapped and ready to install!

@janine2371 Месяц назад

My 2018 c43 has 37032 miles. I was thinking about replacing the plugs and coil packs. The AMG runs fine. But the service guy at Mercedes said at 40,000 everything needs changing in the ignition. What I don't know is what is 'everything'? and how much will 'everything' cost with labor to change. Can anyone shed some light on this for me? I recently changed the front struts and rear shocks at a cost of $3800 at Mercedes because the front end made noise over man-made street bumps designed to slow traffic. So nothing is cheap there -- and it took 11 days for Mercedes to finish the repairs because the guy fixing my car was tied up with an engine overhaul, and then the alignment machine was broken. During that time, I rode my bike to college at St. John's University and everywhere else. It was a bit difficult navigating in heavy traffic but after a few days, I found the best ways to go. The repairs were at Helm's bro's Mercedes in Flushing, NY.

@sergiogarcia2201 Год назад

I changed my spark plugs and coil packs in my 2017 Mercedes Benz c300 but after I felt my car misfiring. I checked it with the scanner and it shows that my cylinder 4 is misfiring. Any suggestions on how I can fix this problem? My car never had the misfiring issue until I installed the new parts

@colinmoore68 11 месяцев назад

Try switching the #4 coil pack with another to see if it still misfires, then you know it is the coil pack. You may want to try the same with the plug and start with disconnecting and checking the wire harness connection to coil pack. Good Luck!!!

@Wamautotainment 8 месяцев назад

Did you ever figure out the issue I am currently dealing with this issue