LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mercedes Benz >> 2000 >> C43 >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Engine Performance DTCS >> ME2.1 ENGINE 104 (description only)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

ME2.1 ENGINE 104 (description only)

ME2.1 Engine 104

DTC SAE nomenclature Explanation
P0100 - MAF circuit malfunction Hot film MAF sensor(B2/5)
P0105 - MAP circuit malfunction Pressure sensor (B28) (only)
P0110 - IAT circuit malfunction IAT sensor (in Hotfilm MAF sensor B2/5)
P0115 - ECT circuit malfunction ECT sensor (B11/4)
P0120 - Throttle position circuit malfunction Actual value potentiometer in EA/CC/ISC actuator (M16/1)
P0130 - O2S 1 circuit malfunction A. O2S 1 (before TWC) (G3/2) B. O2S 1 (before TWC) (G3/2) Voltage increase insufficient
P0133 - O2S 1 circuit slow response A O2S 1 (before TWC) (G3/2), Ageing correction value exceeded. B O2S 1 (before TWC) (G3/2), Ageing time period too long.
P0135 - O2S 1 heater circuit malfunction O2S 1 heater (before TWC) (G3/2)
P0136 - O2S 2 circuit malfunction O2S 2 (after TWC) (G3/1) (only)
P0141 - O2S 2 heater circuit malfunction Right O2S 2 heater (after TWC) (G3/1)
P0170 - Fuel trim malfunction A Self adaptation of fuel mixture ""partial load"" at limit from engine control module (N3/10). B Self adaptation of fuel mixture ""CTP"" at limit from engine control module (N3/10).
P0201 - Injector circuit malfunction- cyl. 1 Injector (Y62y1) -cylinder 1
P0202 - Injector circuit malfunction- cyl. 2 Injector (Y62y2) -cylinder 2
P0203 - Injector circuit malfunction- cyl. 3 Injector (Y62y3) -cylinder 3
P0204 - Injector circuit malfunction- cyl. 4 Injector (Y62y4) -cylinder 4
P0205 - Injector circuit malfunction- cyl. 5 Injector (Y62y5) -cylinder 5
P0206 - Injector circuit malfunction- cyl. 6 Injector (Y62y6) -cylinder 6
P0300 - Random misfire detected A Random misfire B Random misfire, TWC damaging
P0301 - Cylinder 1 misfire detected A Cylinder 1 misfire B Cylinder 1 misfire, TWC damaging
P0302 - Cylinder 2 misfire detected A Cylinder 2 misfire B Cylinder 2 misfire, TWC damaging
P0303 - Cylinder 3 misfire detected A Cylinder 3 misfire B Cylinder 3 misfire, TWC damaging
P0304 - Cylinder 4 misfire detected A Cylinder 4 misfire B Cylinder 4 misfire, TWC damaging
P0305 - Cylinder 5 misfire detected A Cylinder 5 misfire B Cylinder 5 misfire, TWC damaging
P0306 - Cylinder 6 misfire detected A Cylinder 6 misfire B Cylinder 6 misfire, TWC damaging
P0325 - KS 1 circuit malfunction Front KS 1 (A16)
P0330 - KS 2 circuit malfunction Rear KS 2 (A16)
P0335 - CKP sensor circuit malfunction CKP sensor (L5)
P0341 - CMP sensor circuit range/performance Camshaft Hall-effect sensor (B6/1)
P0370 - Angle deviation between camshaft and crankshaft Angle deviation between camshaft and crankshaft
P0410 Only USA Air injection system malfunction AIR system malfunction (logic chain)
P0422 - TWC efficiency below threshold TWC efficiency below threshold
P0440 Only USA Models 140/210 Model 129 as of 09/97 EVAP system malfunction EVAP malfunction (logic chain)
P0441 - EVAP system incorrect purge flow EVAP not functioning
P0442 Only USA Mod. 140/210 Mod. 129 as of 09/97 EVAP system leak detected (small leak) EVAP system, small leak
P0443 - EVAP system purge control valve circuit malfunction Purge control valve(Y58/1)
P0446 Only USA Mod. 140/210 Mod. 129 as of 09/97 EVAP system vent control malfunction A. Activated charcoal canister shut-off valve (Y58/4) B. End stage activated charcoal canister shut-off valve (Y58/4)
P0450 Only USA Mod. 140/210 Mod. 129 as of 09/97 Mod. 129 up to 08/97 Mod. 202 EVAP system pressure sensor malfunction A. Fuel tank pressure sensor (B4/3) electrical fault B. Fuel tank pressure sensor (B4/3) electrical fluctuations Purge monitoring pressure sensor (B4/4)
P0455 Only USA Mod. 140/210 Mod. 129 as of 09/97 EVAP system leak detected (large leak) EVAP system, large leak Fuel tank pressure sensor (B4/3)
P0460 - Fuel level sensor circuit -
P0500 - VSS sensor malfunction A VSS left front B VSS left rear
P0507 - ISC RPM Idle control system
P0560 - System voltage malfunction Voltage supply to engine control module (N3/10)
P0565 - Cruise control switch CC switch (S40)
P0600 - Serial communication link malfunction CAN bus from ESP/SPS control module (N47-5)
P0604 - Internal control module random Access memory (RAM) error A Engine control module (N3/10) B Engine control module (N3/10)
P0605 - Internal control module read only memory (ROM) error Engine control module(N3/10)
P0700 - Transmission control system malfunction Read DTC memory of transmission control module
P0702 - Transmission control system electrical Read DTC memory of transmission control module
P0715 - Input/turbine speed sensor circuit malfunction Read DTC memory of transmission control module
P0720 - Output speed sensor circuit malfunction Read DTC memory of transmission control module
P0730 - Incorrect gear ratio Read DTC memory of transmission control module
P0740 - Torque converter clutch circuit malfunction Read DTC memory of transmission control module
P0743 - Torque converter clutch circuit electrical Read DTC memory of transmission control module
P0748 - Pressure control solenoid electrical Read DTC memory of transmission control module
P0753 - Shift solenoid A electrical Read DTC memory of transmission control module
P0758 - Shift solenoid B electrical Read DTC memory of transmission control module
P0763 - Shift solenoid C electrical Read DTC memory of transmission control module
P0802 - Resonance intake manifold switchover valve Resonance intake manifold switchover valve (Y22/6)
P0809 - Angle deviation between camshaft and crankshaft Angle deviation between camshaft and crankshaft
P0811 - CAN from electronic ignition lock CAN from electronic ignition lock
P1163 - Oil level switch Oil level switch (S43)
P1182 Model 202.028 only Starter relay Starter relay module in passenger-side fuse and relay module box (K40/4)
P1186 - Fuel safety shut-off recognized EA/CC/ISC actuator(M16/1)
P1225 - Resonance intake manifold switchover valve Resonance intake manifold switchover valve (Y22/6)
P1386 - Knock sensor control from ECM (N3/10) at end stop Knock sensor regulation from engine control module (N3/10) at end stop
P1420 Only USA AIR pump switchover valve AIR pump switchover valve (Y32)
P1453 Only USA AIR relay module AIR relay module (K17), relay module (K40) or passenger-side fuse and relay module box (K40/4)
P1491 - - Refrigerant pressure in A/C system too high
P1519 - Adjustable camshaft timing solenoid Adjustable camshaft timing solenoid (Y49) (logic chain)
P1525 - Adjustable camshaft timing solenoid Adjustable camshaft timing solenoid (Y49)
P1542 - Pedal value sensor Pedal value sensor(B37)
P1570 - CAN signal from DAS control module to engine control module A. Start attempted with ""locked"" DAS B. CAN signal from DAS control module (N54/1) to engine control module (N3/10) interrupted. C. Engine control module (ME-SFI) and DAS control module are not compatible.
P1580 - EA/CC/ISC actuator EA/CC/ISC actuator(M16/1)
P1584 - Stop lamp switch Stop lamp switch (S9/1)
P1603 - CAN signal from EIS CAN failure
P1605 - - Poor road/traction condition recognition signal (via comparison of VSS RPM signals)
P1642 - - Engine control module incorrectly coded (coded for MT, vehicle has AT)
P1643 - - Engine control module incorrectly coded (coded for MT, vehicle has AT) or No CAN transmission from transmission control module (N15/3)
P1644 - - Transmission version can not be checked due to low voltage at transmission control module (N15/3)
P1747 - CAN signal from ETC A. CAN failure: Transmission protection malfunction from transmission control module (N15/3) B. CAN failure: Instrument cluster