NGK IFR6D10 5344 Iridium Spark Plugs – 4x For Mercedes-Benz A-Class, B-Class, CLK (0031599703)

Time for a tune-up on your Mercedes?

This set of four NGK IFR6D10 iridium spark plugs is exactly what you need.

They're part number 5344, and they fit a bunch of models including A-Class, B-Class, and CLK.

OE references like 0031599703 and A0031599703 cross right over.

They're brand new NGK quality, with a 16mm hex.

Iridium center electrode means they last longer and fire better.

Whether it's tuning or just maintenance, these plugs will get your Benz running smooth.