DTC Description

WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2002 Mercedes-Benz SL500, 2002 Mercedes-Benz S500, 2002 Mercedes-Benz S430, 2002 Mercedes-Benz E55, and 2002 Mercedes-Benz E430. However, it is still accessible from the selected car via links, so may be relevant.

Fault Memory & Actuation Of MIL - Fault is stored immediately. MIL is not activated.
Frequency Of Testing - Each time knock control is switched off.
Checked Signal Or Status - Knock control hardware test.
Test Conditions - Engine at operating temperature and load decreases (knock control is switched off).

NOTE: Fault must occur at least 10 times.