Mercedes-Benz fault codes

Mercedes-Benz fault codes read with XENTRY / DAS and compatible scan tools.

Covers: Mercedes-Benz, Smart · Recommended tools: XENTRY, Autel, Launch

Mercedes-Benz – P-Codes – Powertrain

P0010Camshaft Actuator Circuit – Mercedes M271/M272 camshaft magnetFault code P0010 means "Camshaft Actuator Circuit – Mercedes M271/M272 camshaft magnet". It is common on M271 1.8 Kompressor/CGI (C…Medium
P0016Crankshaft / Camshaft Position Correlation (Bank 1 Sensor A)Fault code P0016 means "Crankshaft / Camshaft Position Correlation (Bank 1 Sensor A)". It is common on M272 V6 (C/E/S/CLK/ML 230–350,…High
P0016Crankshaft / Camshaft Position Correlation (Bank 1 Sensor A)Fault code P0016 means "Crankshaft / Camshaft Position Correlation (Bank 1 Sensor A)". It is common on M271 1.8 Kompressor (C 180 / C 200…High
P0087Fuel Rail/System Pressure Too LowFault code P0087 means "Fuel Rail/System Pressure Too Low". It is common on OM651 (C/E 200–250 CDI, Sprinter, Vito, Viano) engines. Below…High
P0101Mass Air Flow (MAF) Sensor Range/Performance – Mercedes OM651/OM642 dieselFault code P0101 means "Mass Air Flow (MAF) Sensor Range/Performance – Mercedes OM651/OM642 diesel". It is common on OM651 2.1 CDI, OM642…Medium
P0128Coolant Temperature Below Thermostat Regulating Temperature – MercedesFault code P0128 means "Coolant Temperature Below Thermostat Regulating Temperature – Mercedes". It is common on M271 / M274 four-cylinder…Low
P0171System Too Lean (Bank 1) – M271 KompressorFault code P0171 means "System Too Lean (Bank 1) – M271 Kompressor". It is common on M271 1.8 Kompressor (C 180 / C 200 / E 200…Medium
P0299Turbocharger Underboost – OM651 / OM642Fault code P0299 means "Turbocharger Underboost – OM651 / OM642". It is common on OM651 (C/E/GLK 200–250 CDI, Sprinter, Vito), OM642 V6…High
P0300Random/Multiple Cylinder Misfire – Mercedes M271/M272/M274 petrolFault code P0300 means "Random/Multiple Cylinder Misfire – Mercedes M271/M272/M274 petrol". It is common on M271 1.8, M272 V6 2.5–3.5,…High
P0380Glow Plug Circuit – Mercedes OM651/OM642 dieselFault code P0380 means "Glow Plug Circuit – Mercedes OM651/OM642 diesel". It is common on OM651 2.1 CDI (C 200/220/250 CDI, E 220/250 CDI,…Low
P0401Exhaust Gas Recirculation (EGR) Flow InsufficientFault code P0401 means "Exhaust Gas Recirculation (EGR) Flow Insufficient". It is common on OM651 (C 200–250 CDI, E 200–250 CDI, Sprinter,…Medium
P0700Transmission Control System Malfunction – Mercedes 7G-Tronic (722.9)Fault code P0700 means "Transmission Control System Malfunction – Mercedes 7G-Tronic (722.9)". It is common on 7G-Tronic 722.9 (C, E, S,…High
P2002Particulate Filter Efficiency Below Threshold – OM651Fault code P2002 means "Particulate Filter Efficiency Below Threshold – OM651". It is common on OM651 (C/E/GLK/Vito/Sprinter 180–250 CDI),…Medium
P2006Intake Manifold Runner (Swirl Flap) Control Stuck Closed – OM642Fault code P2006 means "Intake Manifold Runner (Swirl Flap) Control Stuck Closed – OM642". It is common on OM642 3.0 V6 CDI (E/S/ML/GL/R…Medium
P20EESCR NOx Catalyst Efficiency Below Threshold (Bank 1)Fault code P20EE means "SCR NOx Catalyst Efficiency Below Threshold (Bank 1)". It is common on OM651 (e.g. Sprinter W906), OM654 / OM642…High
P2463Diesel Particulate Filter – Soot AccumulationFault code P2463 means "Diesel Particulate Filter – Soot Accumulation". It is common on OM651 (2.1 CDI, e.g. C/E 200–250 CDI, Sprinter,…High
P2BADNOx Exceedance – Root Cause Unknown – BlueTECFault code P2BAD means "NOx Exceedance – Root Cause Unknown – BlueTEC". It is common on OM642 BlueTEC (E/ML/GL 350 BlueTEC, Sprinter),…High

Generic OBD2 codes – also apply to Mercedes-Benz

These standard codes mean the same on every car, including Mercedes-Benz. VCDS and OBDeleven show them with two extra digits, e.g. P001100.