Mercedes-Benz Ignition System Upgrade Iridium Spark Plug A004159500326 FR8DPP33 Original Quality

Mercedes-Benz 2000-2008 M271, M272, M273 series engines (C-Class W203, E-Class W211, S-Class W220, etc., 2.0L-5.5L) are compatible with this iridium spark plug, designed to enhance ignition system efficiency. Iridium electrode provides more precise spark control, improving combustion, lowering fuel consumption, and extending life. OEM numbers A004159500326/FR8DPP33 for cross-check with inventory. Replacement difficulty is moderate; recommended every 60,000-80,000 km, torque to 25-30 Nm to avoid cylinder head damage. Resistance 6 kOhm, thread length 26.5 mm; compatible with original ignition coils; suitable for bulk procurement for maintenance packages.