C 230 (203.052) V6-2.5L (272.920) (2007)
^ Perform "Self-adaptation of mixture formation (at idle)" test (Figure 4).
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Pull over and let vehicle idle.
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Keep air mass and engine load values in green area until test is completed.
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Click "F2" once it becomes available to proceed to next test.
^ Perform "Catalyst efficiency: Deceleration mode (time-controlled)" test (Figure 5).
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While driving increase engine speed to 2500-3000 rpm, then decelerate down to <1000 rpm.
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Click "F2" once it becomes available to proceed to next test.
^ Perform "Catalyst efficiency: Deceleration mode (Cycles [N])" test (Figure 6).