1997–2010 Mercedes-Benz CLK 3.0L Spark Plugs

Catalog-listed plug, cross-brand equivalents, gap, and where to buy for the 1997–2010 Mercedes-Benz CLK 3.0L.

Denso · Catalog-Listed
IXUH22I
MetalIridium
Gap—

Listed in a manufacturer plug catalog — confirm against your owner's manual before buying.

The Denso IXUH22I is a 14mm thread, gasket seat, heat range 22, iridium electrode spark plug. These specifications are decoded from the Denso part number and determine which plugs it safely cross-references to — a valid equivalent must match the thread, reach, seat and heat range.

Spark plugs that fit the 1997–2010 Mercedes-Benz CLK 3.0L

PlugMetalGapBuy
Denso IXUH22I Iridium— Buy
Denso IK16 Iridium— Buy
Denso IK16TT Iridium— Buy
Denso VK16 Iridium— Buy
Denso K16TT Copper— Buy

Frequently asked questions

What spark plug does a 1997–2010 Mercedes-Benz CLK 3.0L use?
A manufacturer catalog lists the Denso IXUH22I (Iridium), gapped at the factory spec. Listed in a manufacturer plug catalog — confirm against your owner's manual before buying.

How many spark plugs does a 1997–2010 Mercedes-Benz CLK 3.0L need?
Check your owner's manual for the exact count for this engine.

What is the spark plug gap for a 1997–2010 Mercedes-Benz CLK 3.0L?
See the underhood emissions label — always confirm against the label or manual before installing.

Affiliate disclosure: As an Amazon Associate and affiliate partner we earn from qualifying purchases. Always confirm fitment against your owner's manual or the manufacturer catalog before buying.