BOSCH SUPER Plus Spark plugs are manufactured using Yttrium alloy, which is a precious metal whose remarkable properties have … Precision in Fitment and Design on the Body and Electrodes: Engine tolerances are extremely tight so your spark … If your engine is a V6 then it has 6 spark plugs, if it's a 4 cylinder that obviously 4 spark plugs. If it tells you anything. However, with different types of spark plugs available—copper, platinum, iridium—and with different heat ranges, it's easy to get confused and, inadvertently, cause performance problems: misfires, detonations and, if not careful, serious engine damage. If the Spark plug for your Mercedes is not listed please e-mail or phone us for a price and delivery time. 10% OFF $75. Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Some are priced at $19.99 a piece!!!! You can expect to replace these roughly every 25,000 miles or so (a great deal depends on your driving habits, as well as your engine’s condition). Yes, the brand matters when it comes to performance (better MPG, etc). Use a torque wrench such as the Tekton 3/8 torque wrench to tighten the spark plugs to to 18 ft-lb (~25 Nm) for engines 113.987/988/990/991. Autolite (2) Bosch (1) Denso (1) E3 (1) NGK (3) This is a test. U-Groove Spark Plugs As its name implies, the U-Groove design incorporates a U-shaped groove in the middle of the ground electrode. 30,000 mile spark … The iridium material used for these plugs provides up to 25% longer use compared to platinum spark plugs. Spark Plug / Coil-On-Plug Boot. Obviously they wanted to use crappy plugs on the cars because good performance is just such a bad thing. and some at $2.99. 2008-2012 4.7's are different. By the way, NGK makes the plugs for hondas. Uh.. no, but they wanted to save $50 on a 40K+ car. thanks Mark The difference is that Honda uses platinum plugs because they last longer. In my drag car, street car nd every engine I build for customers.. 1 of 3 brand plugs goes in it Ac delco (std plug) Autolite (std plug or AR racing plugs for turbo/boosted/nitrous engines NGK (V power tip) I run/use mostly std AC delco plugs unless the combo calls for something AC don’t have. The truth is that spark plugs fail for any number of reasons, the most common is mishandling, and right after that is a mis-application.. You can never tell who has dropped or slammed a box of plugs in the trip from the manufacturer to your cars fender, and dropping a plug most leads to interior failures that you will never be able to see and may not be apparent immediately. View Poll Results: Does the brand of spark plugs matter? ... MERCEDES-BENZ > 2014 > CLA250 > 2.0L L4 Turbocharged > Ignition > Spark Plug. FILTER RESULTS. Most auto manufacturers suggest having new spark plugs installed about every 30,000 miles; however, spark plug longevity depends on the condition and type of spark plug. What do you buy? LOL @ bmw guys not knowing about spark plugs. All, I just purchased a 92 W201 with a 2.6 I want to tune it up but as I have only owned diesel MB's, I have no idea what brand/type of spark plug to install. It sits right in the middle of the explosion that occurs when the spark ignites the fuel in your engine (where temperatures reach over 1,500 degrees!) Spark plugs are a popular item to change, and it is important to know what a good spark plug vs. a bad one looks like.There are tons of different types of spark plugs (iridium, platinum, standard, pre-gapped, 4 grounded etc.,) but there still are some telltale visual signs that tell you of a bad spark plug (or a poorly running cylinder). Iridium plugs will deliver the best performance, the best fuel efficiency and the longest life span – but also the highest price tags. I also agree with you that even major brand spark plugs exhibit differences in high performance auto engines. Most other engines require 21 ft-lb (~28 Nm) of torque . Our best spark plug! To buy the proper spark plugs for your vehicle, you must know its specifications. Your owner’s manual may have specifications for buying and gapping the spark plugs on your vehicle. SOURCE: how many plugs does the. 14: 29.17%: Yes, the brand matters on how long they last. Regardless of the age of the plugs, or mileage, if the engine misfires or runs poorly, the plugs should be inspected for defects. If you think it’s time to update your spark plugs, or if you’ve been struggling to get that ignition working when you’re off to work or to pick the kids up from school, then do take a look at our wide range of spark plugs below. With the relative cost of the plugs versus the extended driving range don't scrimp on resistor plugs. The spark plugs that are under the coils are scheduled to be changed every 48,000 miles amd the other eight are good for 96,000 miles. I was wondering which spark plugs would be the best to put in the car or if there's a certain brand I need to get. It always has been "use the cheapest" for my Jeep but that has 215K plus miles. Apparently, this model has an electronic system that uses only copper plugs and to my surprise does not need the wires or cap replaced. Non platinum plugs in older hondas were replaced about 60000 miles. A wide range of BOSCH SUPER Plus and Genuine Mercedes for most Mercedes Benz models. Spark plugs don’t last forever. The NGK 6619 Iridium IX Spark Plugs snags the top pick in our spark plug comparison because they offer the best mix of high-performance, fuel efficiency, durability, and dependability. BRAND. Spark Plug Gapper / Feeler Gauge. 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