Mercedes-Benz Fault Code List

B1000 HRA HEADLAMP RANGE ADJUSTMENT: SUPPLY VOLTAGE OF THE CONTROL UNIT IS TOO LOW (UNDERVOLTAGE)
P2087 Self-adaptation of mixture formation for left bank of cylinders is at limit value (between idle speed and part load).(P0173)
P2088 component G3/10 (right O2 sensor,before CAT,cylinder 4-6) heating (P0135)
P2088 Heating of component G3/3 (Left O2 sensor,before TWC[KAT])(P0155)
P2089 component G3/14 (right O2 sensor,after CAT,cylinder 4-6) heating (P0141)
P2089 Heating of component G3/5 (Left O2 sensor,after TWC[KAT])(P0161)
P208A Y62y7 (Fuel injector cylinder 7)(P0207)
P208B Y62y11 (cylinder 11 fuel injector)(P0211)
P208B Y62y8 (Fuel injector cylinder 8)(P0208)
P208C Y49/1 (camshaft regulation valve,left cylinder bank),electrical malfunction (P0340)
P208E Y81 (cylinder cut-off valve,left cylinder bank),electrical malfunction;GERMANY
P208E Y81/1 (10-cylinder 12 cylinder cut-off valve),electrical malfunction
P208F Y81/1 (10-cylinder 12 cylinder cut-off valve),electrical malfunction
P2090 at least two socket of O2 sensor exchanged.
P2090 Plug connections of the O2 sensors are wrongly connected.(O2 sensor upstream TWC)
P2091 B40/2 (cylinder disable unit oil pressure sensor),electrical malfunction (P0520)
P2091 B40/2 (cylinder off oil pressure sensor),electrical malfunction (P0520);GERMANY
P2092 Y80/1 (cylinder 7-9 cylinder cut-off valve),electrical malfunction
P2093 Y80 (cylinder cut-off valve,right cylinder bank),electrical malfunction;GERMANY
P2093 Y80/1 (cylinder 7-9 cylinder cut-off valve),electrical malfunction
P2094 when ZAS is turned on,left and right cylinder cut-off valve (Y80 or Y81) is not opened.;
P2095 when ZAS is turned on,cylinder inlet valve does not work.;
P2097 throttle valve block (ice up)
P2097 throttle valve block (ice up);
P2098 component N2/7 (SRS controller) crash signal error.;
P2098 error crash signal from component N2/7 (SRS controller)
P2099 when ZAS is turned off,cylinder 8 exhaust valve inactive.
P209A when ZAS is turned off,cylinder 10 exhaust valve inactive.
P209B Y93 (EGR switch-over valve)
P209B Y93 (EGR switch-over valve);
P209C when ZAS is turned off,component Y80 (cylinder cut-off valve,right cylinder bank) not turn off.;
P209C when ZAS is turned off,component Y80/1 (cylinder 7-9 cylinder cut-off valve) not off.
P209D when ZAS is turned off,component Y81 (cylinder cut-off valve,left cylinder bank) not turn off.;
P209D when ZAS is turned off,component Y81/1 (cylinder 10-12 cylinder cut-off valve) not off.
P209E when ZAS is turned off,cylinder 5 exhaust valve not work.;
P209E when ZAS is turned off,cylinder 7 exhaust valve inactive.
P209F when ZAS is turned off,cylinder 11 exhaust valve inactive.
P209F when ZAS is turned off,cylinder 2 exhaust valve not work.;
P20A0 when ZAS is turned off,cylinder 3 exhaust valve not work.;GERMANY
P20A0 when ZAS is turned off,cylinder 9 exhaust valve inactive.
P20A1 when ZAS is turned off,cylinder 12 exhaust valve inactive.
P20A1 when ZAS is turned off,cylinder 8 exhaust valve not work.;GERMANY
P20A2 when ZAS is turned off,intake valve of some cylinder inactive.
P20A2 when ZAS is turned off,some cylinder exhaust valve not work.;GERMANY
P20A3 7-9 cylinder CAT too weak.(P0432)
P20A4 10-12 cylinder CAT too weak.(P0432)
P20A5 G3/7 (left O2 sensor,before CAT,cylinder 7-9):aging,calibration program jump over (P0153)
P20A6 G3/8 (left O2 sensor,before CAT,cylinder 10-12):aging,calibration program jump over (P0153)
P20A7 G3/7 (left O2 sensor,before CAT,cylinder 7-9):aging,used too long (P0153)
P20A8 G3/8 (left O2 sensor,before CAT,cylinder 10-12):aging,used too long (P0153)
P20A9 G3/7 (left O2 sensor,before CAT,cylinder 7-9),electrical malfunction (P0150)
P20AA G3/8 (left O2 sensor,before CAT,cylinder 10-12),electrical malfunction (P0150)
P20AB G3/11 (left O2 sensor,after CAT,cylinder 7-9),electrical malfunction (P0156)
P20AC G3/12 (left O2 sensor,after CAT,cylinder 10-12),electrical malfunction (P0156)
P20AD cylinder 7-9 mixture formation unit adaptation reaches limit.(part load)(P0173)
P20AE 10-cylinder 12 mixture formation unit adaptation reaches limit.(part load)(P0173)
P20AF cylinder 7-9 mixture formation unit adaptation reaches limit.(idle)(P0173)
P20B0 cylinder 10-12 mixture formation unit adaptation reaches limit.(idle)(P0173)
P20B1 cylinder 7-9 mixture formation unit adaptation reaches limit.(between idle and part load)
P20B2 cylinder 10-12 mixture formation unit adaptation reaches limit.(between idle and part load)
P20B3 component G3/7 (left O2 sensor,before CAT,cylinder 7-9) heating (P0155)
P20B4 component G3/8 (left O2 sensor,before CAT,cylinder 10-12) heating (P0155)
P20B5 component G3/11 (left O2 sensor,after CAT,cylinder 7-9) heating (P0161)
P20B6 component G3/12 (left O2 sensor,after CAT,cylinder 10-12) heating (P0161)
P20B7 Increased idle speed due to SBC low-voltage:Check current and voltage on vehicle./No control module defective (P1999.183)
P20B8 B6/2 (camshaft Hall sensor,left cylinder bank)(P0340)
P20B9 Y62y9 (cylinder 9 fuel injector)(P0209)
P20BA Y62y12 (cylinder 12 fuel injector)(P0212)
P20BB Y62y8 (cylinder 8 fuel injector)(P0208)
P20BC Y62y10 (cylinder 10 fuel injector)(P0210)
P20BD rotate angle error between left cylinder bank camshaft and crankshaft (P0378)
P20BE component G3/9 (right O2 sensor,before CAT,cylinder 1-3) heating,supply voltage (P0135)
P20BE Heating of component G3/4 (Right O2 sensor,before TWC[KAT]),Voltage supply (P0135)
P20BF component G3/10 (right O2 sensor,before CAT,cylinder 4-6) heating,supply voltage (P0135)
P20BF Heating of component G3/3 (Left O2 sensor,befor TWC[KAT]),Voltage supply (P0135)
P20C0 component G3/7 (left O2 sensor,before CAT,cylinder 7-9) heating,supply voltage (P0155)
P20C1 component G3/8 (left O2 sensor,before CAT,cylinder 10-12) heating,supply voltage (P0155)
P20C2 component G3/13 (right O2 sensor,after CAT,cylinder 1-3) heating,supply voltage (P0141)
P20C2 Heating of component G3/6 (Right O2 sensor,after TWC[KAT]),Voltage supply (P0141)
P20C3 component G3/14 (right O2 sensor,after CAT,cylinder 4-6) heating,supply voltage (P0141)
P20C3 Heating of component G3/5 (Left O2 sensor,after TWC[KAT]),Voltage supply (P0141)
P20C4 component G3/11 (left O2 sensor,after CAT,cylinder 7-9) heating,supply voltage (P0161)
P20C5 component G3/12 (left O2 sensor,after CAT,cylinder 10-12) heating,supply voltage (P0161)
P20C6 G3/11 (left O2 sensor,after CAT,cylinder 7-9),no special condition change
P20C7 G3/12 (left O2 sensor,after CAT,cylinder 10-12),no special condition change
P20C8 Y32/1 (air pump conversion switch,left cylinder bank)(P0415)
P20C9 left cylinder bank intake unit error operation (work link)(P0410)
P20CA No CAN message ‘Vehicle speed signal left rear wheel’ from control module N47-5 (ESP control module) or message faulty.(P0500)
P20CA no RL wheel speed signal or error signal from N47-5 (electronic stable program controller) controller BUS (P0500)
P20CB No CAN message ‘Vehicle speed signal left front wheel’ from control module N47-5 (ESP control module) or message faulty.(P0500)
P20CB no FL wheel speed signal or error signal from N47-5 (electronic stable program controller) controller BUS (P0500)
P20CC ‘Rough road detection’ signal (by comparing wheel speeds)
P20CD A/C compressor torque error
P20CD AC compressor torque implausible
P20CE A/C refrigerant pressure too high
P20CE Refrigerant pressure in air conditioning too high
P20CF component B37 (pedal position sensor) voltage difference error between signal 1 and signal 2 (P0120)
P20CF The voltage difference between signal 1 and signal 2 of component B37 (Pedal value sensor) is implausible.(P0120)
P20D0 A/C request an error ventilation efficiency.
P20D0 The air conditioning requests an implausible fan output.
P20D1 The torque request from control module N63/1 (DTR control module) is implausible.