Mercedes Benz

P2321 The ignition coil output stage of cylinder 8 detects a short circuit to positive. (P2321) Possible cause: ­ Line from ignition coil to control unit Affected functions: ­ Engine running ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ Test 1: Check component T1/x (ignition coil(s)). 1. Check component T1/x (ignition coil(s)). Test 1.1: Check component T1/8 (ignition coil cylinder 8). 1.1. Check component T1/8 (ignition coil cylinder 8). Warning!Hazard as a result of high voltage at the ignition system! ­ Electronic ignition systems operate within a hazardous power range both at the low voltage side (primary circuit) as well as on the high voltage side (secondary circuit). ­ Contacts with such parts can result in burns, heart flutter or cardiac arrest. Rules of conduct and protective measures ­ ­ ­ ­ ­ Persons with heart pacemakers must not perform any work on the ignition system. Switch off the ignition when performing work on the ignition system. Do not...