CL 63 AMG (216.377) V8-6.3L (156.984) (2008)
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The O2 sensors downstream of TWC are insulated as voltage free and designed as a planar (flat) wideband oxygen sensors.
The active sensor ceramic consists of a gas permeable ceramic body made of zirconium dioxide. The inner protective tube with several slots protects the
ceramic body from mechanical stresses and from temperature jumps.
