Car Fix DIY Videos

*** Gap spark plugs to 0.8mm (0.031 inches)
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.

Spark Plug Torque: 28 Nm
Spark Plug Gap: .8mm (Out of the box is .040 inches)

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. Thus, to check the spark plug gap at high engine speeds, you’d need to run at full throttle and immediately turn the ignition off without allowing the engine to idle. But ultimately, you’d need to run your car on a dynamometer to find the best spark plug gap, and the right ignition timing for your engine.”

Snap On 3/8″ Drive 6-Point SAE 5/8″ Flank Drive® Standard Retention Spark Plug Socket:
https://store.snapon.com/Retention-3-8-Drive-6-Point-SAE-5-8-Flank-Drive-Standard-Retention-Spark-Plug-Socket-P644224.aspx

Hazet 2771 – Valve Adjusting Wrench 17mm 110 589 01 01 00:
https://www.hazet.de/en/

Bosch – Mercedes-Benz S500 Base Sedan 220.175 5.0L V8 Spark Plug Wire Set
https://www.rmeuropean.com/Products/228533113-MFG114-V4003.aspx

Bosch: https://www.boschautoparts.com/en/auto

Bosch Platinum Spark Plug; Standard Electrode; OE Plug
https://amzn.to/34qJ4b2

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