[Vehicle Fitment]: Compatible with Mercedes-Benz W210 E420 1997 V8 4.2L, W140 S420 1996-1999 V8 4.2L, C140/W140 S500 1996-1999 V8 5.0L, R129 SL500 1997-1998 V8 5.0L. [Reference Number]: UF352, 0001587203, 00101, 0300122108, 1587203, 300122108, 7090, 696202, BKR5EGP. [Specifications]: Coil Terminal Quantity: 3; Terminal Type: Blade; Mount Type: Bolt On; Mounting Location: Valve Cover; Voltage: 12V; Spark Plug Material: Iridium. [Iridium spark plug]: Iridium is a type of refined alloy which is highly suitable to be used as the materials of the central electrode in a spark plug. It extends the life of the spark plug nearly threefold, ensures a more stable idle speed of the engine, and delivers a super performance to the engine with improved fuel efficiency, reduced emissions and faster starting up..
