2000–2011 Mercedes-Benz S40 2.4L Spark Plugs

Catalog-listed plug, cross-brand equivalents, gap, and where to buy for the 2000–2011 Mercedes-Benz S40 2.4L.

Denso · Catalog-Listed
IKH20
MetalIridium
Gap0.030"

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

The Denso IKH20 is a 14mm thread, 19mm reach, gasket seat, heat range 20, iridium electrode spark plug, pre-gapped to 0.030". 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 2000–2011 Mercedes-Benz S40 2.4L

PlugMetalGapBuy
Denso IKH20 Iridium0.030" Buy
Denso IKH20TT Iridium— Buy
Denso VKH20 Iridium— Buy
Denso VKH20Y Iridium— Buy
Denso IKH22 Iridium— Buy
Denso VKH22 Iridium— Buy
Denso K20HR-U11 Copper0.043" Buy
Denso KH20TT Copper— Buy

Frequently asked questions

What spark plug does a 2000–2011 Mercedes-Benz S40 2.4L use?
A manufacturer catalog lists the Denso IKH20 (Iridium), gapped at 0.030". Listed in a manufacturer plug catalog — confirm against your owner's manual before buying.

How many spark plugs does a 2000–2011 Mercedes-Benz S40 2.4L need?
Check your owner's manual for the exact count for this engine.

What is the spark plug gap for a 2000–2011 Mercedes-Benz S40 2.4L?
0.030" — 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.