How to Change Spark Plugs in Mercedes-Benz C300 W205 W206 and E300 W213

Mercedes-Benz How-To videos:    • Mercedes-Benz How-To videos  

OEM spark plugs:
NGK SILZKFR8E7S : https://amzn.to/3wQ6yGZ
or NGK SILZKFR8H7S

Spark Plug Socket: https://amzn.to/3llXA24
Socket Extension Bar: https://bit.ly/3jFRlWz

Deals & my Gears on Amazon: https://www.amazon.com/shop/hummansunson
Disclosure: As an Amazon Associate I earn from qualifying purchases

How to Change Spark Plugs in Mercedes-Benz C300 W205 W206 and E300 W213
In this video I show step by step process to replace spark plugs in Mercedes-Benz C300 W205 and E300 W213
Let engine to cool down before removing engine cover
Remove two bolts with T27 torx bit
Pull out Spark Plug Connector and Ignition Coil pack
Blow out any dirt and dust from the spark-plug hole using compressed air
Using 14mm socket and socket extension remove Spark Plug
Use both hands to keep socket and extension along spark plug direction - do not tilt
Install new spark plug OEM spark plugs: NGK SILZKFR8E7S
Spark plugs from the dealer are pre-gapped but you can check to make sure it is to specs for your vehicle (for my C300 0.8 mm/0.032 in)
Finish tightening to your vehicle torq. Spec I'm tightening to 18 ft-lbs for my C300
Apply Dielectric Grease to sealing lip of spark plug connector
Reconnect connector and coil to spark plug and Reinstall 2 bolts. Finish tightening bolts to 10 Nm
Repeat the same steps for 2nd and 3rd spark plugs. Before changing last spark plug I suggest to remove the following bolts to have more room to work with
Reinstall distribution module three bolts and Reattach wires
Reinstall engine cover

0:00 Introduction
0:06 Let engine to cool down before removing engine cover
0:18 Remove two ignition coil bolts with T27 torx bit
0:57 Pull out spark plug connector and ignition coil
1:18 Blow out any dirt and dust from the spark-plug hole using compressed air
1:28 Using 14mm socket and socket extension remove spark plug
1:45 Use both hands to keep socket and extension along spark plug direction - do not tilt
2:50 Install new spark plug
3:10 Finish tightening to 18 ft-lbs
3:34 Apply Dielectric Grease to sealing lip of spark plug connector
3:57 Reconnect connector and coil to spark plug
4:23 Reinstall two coil bolts
4:56 Finish tightening bolts to 10 Nm
6:13 Detach wires to have more space to work with
9:00 Finish tightening bolts to 10Nm
9:10 Reinstall three bolts
9:25 Finish tightening to 10Nm
9:29 Reattach wires
9:41 Reinstall engine cover

Disclaimer: This video is for entertainment purpose only! NewRoad assumes No liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. Please consult your qualified auto technician