Mercedes Benz

2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) A L L  Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0311 The injection valve output stage of cylinder 3 detects a line discontinuity. (P0203)   Test 1: Check component Y62y3 (Fuel injector cylinder 3).   Test 2: Possible cause: - Y62y3 (Fuel injector cylinder 3) - N10/1kI (Circuit 87 relay, engine) - N10/1f43 (Fuse 43) - Voltage supply via component Z7/38 (Circuit 87 M1i connector sleeve) Affected functions: - Engine diagnosis - Engine running   Test 3: Check power supply of component N3/10 (ME-SFI [ME] control unit).   Test 4: Arrangement of fuses   Test 5: Power supply 1. Check component Y62y3 (Fuel injector cylinder 3).   Test 1.1: Check component Y62y3 (Fuel injector cylinder 3). 1.1. Check component Y62y3 (Fuel injector cylinder 3). Safety note Warning!Risk of explosion, poisoning and injury!Fuels are highly inflammable and toxic if inhaled. Fuels may cause skin ...