Premium OE Replacement Spark Plug for Mercedes W221 W212 S212 C207 S211
Exact OE fitment (0041592503 / A0041592503 / Z6SII3320) with factory-specified electrode gap and torque settings for seamless integration.
Iridium-enhanced center electrode delivers 60k-mile durability, 20% better ignition efficiency than standard plugs for optimized fuel economy.
Laser-welded ground electrode with copper-core heat dissipation prevents misfires in high-performance engines (V6/V8 applications).
Precision ceramic insulator rated for 40,000V insulation resistance, prevents carbon tracking in stop-start city driving conditions.
Direct replacement for Mercedes S-Class (W221), E-Class (W212/S212), CLS (C207), and legacy models requiring OEM 004.159.25.03 specification.
Bulk wholesale pricing available for repair shops – full OEM performance at aftermarket cost. Ships globally with plug gap pre-set for plug-and-play installation.


















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Spark Plug for Mercedes W221 W212 S212 C207 S211 0041592503 A0041592503 Z6SII3320 004 159 25 03 A 004 159 25 03
$4$7.39-45.87%
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