NGK SILZKFR8E7S Iridium spark plug (e.g. Mercedes)

NGK SILZKFR8E7S iridium spark plug

The NGK SILZKFR8E7S is a premium iridium spark plug designed to deliver precise ignition, efficient combustion, and long service life in modern turbocharged direct-injection engines. Its fine iridium center electrode requires lower ignition voltage and offers excellent resistance to high thermal loads.

• Iridium center electrode for extended service life
• Stable and precise spark under high engine load
• Improves throttle response and combustion efficiency
• Suitable for turbocharged and direct-injection engines
• NGK OEM-level quality

This spark plug is commonly used in Mercedes-Benz and smart M270 and M274 engines, including higher-output variants where ignition reliability is critical.

OEM reference numbers

Mercedes-Benz, smart
A0041597003, 0041597003, A0041597903, 0041597903, A2701590700, 2701590700, A27015907000090, A270159070090