1993–2009 Mercedes-Benz E-Class 3.2L Spark Plugs

Catalog-listed plug, cross-brand equivalents, gap, and where to buy for the 1993–2009 Mercedes-Benz E-Class 3.2L.

Denso · Catalog-Listed
IK16
MetalIridium
Gap—

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

The Denso IK16 is a 14mm thread, 19mm reach, gasket seat, heat range 16, 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 1993–2009 Mercedes-Benz E-Class 3.2L

PlugMetalGapBuy
Denso IK16 Iridium— Buy
Denso IK16TT Iridium— Buy
Denso VK16 Iridium— Buy
Denso IQ20 Iridium— Buy
Denso IQ20TT Iridium— Buy
Denso IXUH22I Iridium— Buy
Denso K16TT Copper— Buy
Denso Q20TT Copper— Buy
Denso VQ20 Copper— Buy

Frequently asked questions

What spark plug does a 1993–2009 Mercedes-Benz E-Class 3.2L use?
A manufacturer catalog lists the Denso IK16 (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 1993–2009 Mercedes-Benz E-Class 3.2L need?
Check your owner's manual for the exact count for this engine.

What is the spark plug gap for a 1993–2009 Mercedes-Benz E-Class 3.2L?
See the underhood emissions label — always confirm against the label or manual before installing.

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