Spark Plug Check And Cleaning: Notes
CAUTION:
- Never attempt to adjust the gap of the iridium plug .
- Do not attempt to clean the iridium plug using a wire brush because it may result in damage to the electrode. When the iridium plug is cleaned, special tool spark plug brush (MB992273) .
NOTE:
Obey the maintenance interval of the relevant vehicle for the spark plug replacement. If the plug gap and insulation resistance are normal, check the plug condition and clean if necessary.