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2010 Mercedes Benz E 63 AMG Sedan (212.077) V8-6.3L (156.985) Copyright ? 2013, ALLDATA 10.52SS Page 1
Vehicle: All Technical Service Bulletins
MAF Sensor/Self-Adaptation of Mixture Formation
MAF sensor and self-adaptation of mixture formation trouble-shooting diagram
Repair process for fault code P2004-[ ]
Functional description of the MAF sensor:
Upon engine start, a current is passed through the MAF sensor, heating the wire film to a certain temperature. As air passes through the sensor, this
film is cooled and the sensor determines how much electricity is required to keep the film up to temperature. This enables the sensor to determine
how much air (in weight) is passing through the sensor at any given moment. This signal is then sent to the ECU which it compares to a
preprogrammed map to deliver fuel and ignition spark, taking into account other engine inputs such as engine RPM and temperature.
The air intake temperature sensor is also mounted in the mass air flow sensor.
The monitor of the MAF sensor is active after a specified time after engine start and above a specified engine speed threshold.
2010 Mercedes Benz E 63 AMG Sedan (212.077) V8-6.3L (156.985) Copyright ? 2013, ALLDATA 10.52SS Page 2
Repair process for fault code P2004-[2]
Repair process for fault code P2004-[1]
2010 Mercedes Benz E 63 AMG Sedan (212.077) V8-6.3L (156.985) Copyright ? 2013, ALLDATA 10.52SS Page 3
Repair process for fault code P2004-[4]
2010 Mercedes Benz E 63 AMG Sedan (212.077) V8-6.3L (156.985) Copyright ? 2013, ALLDATA 10.52SS Page 4
Repair process for fault code P2004-[8]
Description of test steps of remedy process fault codes P2004-[ ]
Step A: Test voltage supply 5V of component B2/5 ( MAF sensor).
Step A1: Additionally please check the voltage supply of component B2/5 (MAF sensor) also with running engine to extend this test on higher
temperature and vibration conditions of the MAF sensor.
2010 Mercedes Benz E 63 AMG Sedan (212.077) V8-6.3L (156.985) Copyright ? 2013, ALLDATA 10.52SS Page 5
Step A2: If the measured value is not O.K. please follow the next steps shown in Fig. 2:
Step B: Test voltage supply 12V of component B2/5 ( MAF sensor).
Step B1: Additionally please check the voltage supply of component B2/5 (MAF sensor) also with running engine to extend this test on higher
temperature and vibration conditions of the MAF sensor.
If the measured value is not O.K., check for a short circuit on the wiring or connector of the12V battery voltage cable and also the Z-connection
(Z7/35) of the MAF sensor (B2/5).
Step C: Test signal voltage of component B2/5 ( MAF sensor) by means of actual value.
Note:
The specified value of the HFM-SFI voltage depends on the intake air temperature (B2/5b1):
Specified value
2010 Mercedes Benz E 63 AMG Sedan (212.077) V8-6.3L (156.985) Copyright ? 2013, ALLDATA 10.52SS Page 6
Note:
The signal voltage test is to be done with ignition ON and engine off. If the engine speed (also shown in the screen of the signal voltage test, Fig. 4)
is not 0 rpm, the specified value of the signal voltage can't be used for the signal voltage test.
Note:
In order to avoid the possibility of a false signal voltage reading please only perform the signal voltage test with the air filter housing completely
assembled on the hot film MAF sensor. Also please ensure that there is no exhaust gas extraction device on the tail pipe of the vehicle. Any air flow
thru the hot film MAF sensor during the signal voltage test will cause a false reading.
If the status of the relevant actual value is out of range from the specified value and all test requirements were fulfilled, replace the mass air flow
sensor and send this part with the required DAS original printouts to our Quality Evaluation Center.
Note:
Before replacing the mass air flow sensor, check for sand and dirt particles in the clean side (between air filter and engine) of the air intake system
and clean if necessary. Check complete air intake system with air cleaner and repair as necessary.
Required DAS-printouts for warranty returns:
^ Printout of all fault codes of the ME2-SFI-motor electronics (short test).
^ Freeze frame data of all fault codes stored in the ME2-SFI-motor electronics.
^ Signal voltage printout Fig. 4 (page 10) of component B2/5 (Hot film MAF sensor).
Returned MAF sensors without the required information will be debited back to the dealer.
Note:
Only original, readable printouts with the VIN number (DAS-readout) of the vehicle are accepted. The required printouts can be made only with
DAS-Version starting 02/04.
2010 Mercedes Benz E 63 AMG Sedan (212.077) V8-6.3L (156.985) Copyright ? 2013, ALLDATA 10.52SS Page 7
Repair process for fault code P2006-[1]
2010 Mercedes Benz E 63 AMG Sedan (212.077) V8-6.3L (156.985) Copyright ? 2013, ALLDATA 10.52SS Page 8
Repair process for fault code P2006-[2]
Description of test steps of remedy process fault codes P2006-[ ]
Step D1: Check component B2/5b1 (Intake air temperature sensor) using actual value.
Step D2: Check plausibility of actual value B2/5b1 (Intake air temperature sensor) in control module N3/10 (ME-SFI control module).
2010 Mercedes Benz E 63 AMG Sedan (212.077) V8-6.3L (156.985) Copyright ? 2013, ALLDATA 10.52SS Page 9
Step D3: Test voltage supply of component B2/5b1 (Intake air temperature sensor).
Step D4: Test internal resistance of component B2/5b1 (Intake air temperature sensor).
If the measured value of the resistor of the intake air temperature sensor is out of range from the specified value and all test requirements were
fulfilled, replace the mass air flow sensor and send this part with the required DAS-printouts (see below) to our Quality Evaluation Center.
Note:
Before replacing the mass air flow sensor, check for sand and dirt particles in the clean side (between air filter and engine) of the air intake system
and clean if necessary. Check complete air intake system with air cleaner and repair as necessary.
Required DAS-printouts for warranty returns:
^ Printout of all fault codes of the ME2-SFI-motor electronics (short test).
^ Freeze frame data of all fault codes stored in the ME2-SFI-motor electronics.
Document the value of the measured resistance and the approximate temperature of the area surrounding component B2/5b1 for test purposes in our
Quality Evaluation Center in the dealer text section of the warranty claim.
2010 Mercedes Benz E 63 AMG Sedan (212.077) V8-6.3L (156.985) Copyright ? 2013, ALLDATA 10.52SS Page 10
Returned MAF sensors without the required information will be debited back to the dealer as of repair date March 12, 2004.
Note:
Only original, readable printouts with the VIN number (DAS-readout) of the vehicle are accepted.
2010 Mercedes Benz E 63 AMG Sedan (212.077) V8-6.3L (156.985) Copyright ? 2013, ALLDATA 10.52SS Page 1
Vehicle: All Technical Service Bulletins
MAF Sensor/Self-Adaptation of Mixture Formation
MAF sensor and self-adaptation of mixture formation trouble-shooting diagram
Repair process for fault code P2004-[ ]
Functional description of the MAF sensor:
Upon engine start, a current is passed through the MAF sensor, heating the wire film to a certain temperature. As air passes through the sensor, this
film is cooled and the sensor determines how much electricity is required to keep the film up to temperature. This enables the sensor to determine
how much air (in weight) is passing through the sensor at any given moment. This signal is then sent to the ECU which it compares to a
preprogrammed map to deliver fuel and ignition spark, taking into account other engine inputs such as engine RPM and temperature.
The air intake temperature sensor is also mounted in the mass air flow sensor.
The monitor of the MAF sensor is active after a specified time after engine start and above a specified engine speed threshold.
2010 Mercedes Benz E 63 AMG Sedan (212.077) V8-6.3L (156.985) Copyright ? 2013, ALLDATA 10.52SS Page 2
Repair process for fault code P2004-[2]
Repair process for fault code P2004-[1]
2010 Mercedes Benz E 63 AMG Sedan (212.077) V8-6.3L (156.985) Copyright ? 2013, ALLDATA 10.52SS Page 3
Repair process for fault code P2004-[4]
2010 Mercedes Benz E 63 AMG Sedan (212.077) V8-6.3L (156.985) Copyright ? 2013, ALLDATA 10.52SS Page 4
Repair process for fault code P2004-[8]
Description of test steps of remedy process fault codes P2004-[ ]
Step A: Test voltage supply 5V of component B2/5 ( MAF sensor).
Step A1: Additionally please check the voltage supply of component B2/5 (MAF sensor) also with running engine to extend this test on higher
temperature and vibration conditions of the MAF sensor.
2010 Mercedes Benz E 63 AMG Sedan (212.077) V8-6.3L (156.985) Copyright ? 2013, ALLDATA 10.52SS Page 5
Step A2: If the measured value is not O.K. please follow the next steps shown in Fig. 2:
Step B: Test voltage supply 12V of component B2/5 ( MAF sensor).
Step B1: Additionally please check the voltage supply of component B2/5 (MAF sensor) also with running engine to extend this test on higher
temperature and vibration conditions of the MAF sensor.
If the measured value is not O.K., check for a short circuit on the wiring or connector of the12V battery voltage cable and also the Z-connection
(Z7/35) of the MAF sensor (B2/5).
Step C: Test signal voltage of component B2/5 ( MAF sensor) by means of actual value.
Note:
The specified value of the HFM-SFI voltage depends on the intake air temperature (B2/5b1):
Specified value
2010 Mercedes Benz E 63 AMG Sedan (212.077) V8-6.3L (156.985) Copyright ? 2013, ALLDATA 10.52SS Page 6
Note:
The signal voltage test is to be done with ignition ON and engine off. If the engine speed (also shown in the screen of the signal voltage test, Fig. 4)
is not 0 rpm, the specified value of the signal voltage can't be used for the signal voltage test.
Note:
In order to avoid the possibility of a false signal voltage reading please only perform the signal voltage test with the air filter housing completely
assembled on the hot film MAF sensor. Also please ensure that there is no exhaust gas extraction device on the tail pipe of the vehicle. Any air flow
thru the hot film MAF sensor during the signal voltage test will cause a false reading.
If the status of the relevant actual value is out of range from the specified value and all test requirements were fulfilled, replace the mass air flow
sensor and send this part with the required DAS original printouts to our Quality Evaluation Center.
Note:
Before replacing the mass air flow sensor, check for sand and dirt particles in the clean side (between air filter and engine) of the air intake system
and clean if necessary. Check complete air intake system with air cleaner and repair as necessary.
Required DAS-printouts for warranty returns:
^ Printout of all fault codes of the ME2-SFI-motor electronics (short test).
^ Freeze frame data of all fault codes stored in the ME2-SFI-motor electronics.
^ Signal voltage printout Fig. 4 (page 10) of component B2/5 (Hot film MAF sensor).
Returned MAF sensors without the required information will be debited back to the dealer.
Note:
Only original, readable printouts with the VIN number (DAS-readout) of the vehicle are accepted. The required printouts can be made only with
DAS-Version starting 02/04.
2010 Mercedes Benz E 63 AMG Sedan (212.077) V8-6.3L (156.985) Copyright ? 2013, ALLDATA 10.52SS Page 7
Repair process for fault code P2006-[1]
2010 Mercedes Benz E 63 AMG Sedan (212.077) V8-6.3L (156.985) Copyright ? 2013, ALLDATA 10.52SS Page 8
Repair process for fault code P2006-[2]
Description of test steps of remedy process fault codes P2006-[ ]
Step D1: Check component B2/5b1 (Intake air temperature sensor) using actual value.
Step D2: Check plausibility of actual value B2/5b1 (Intake air temperature sensor) in control module N3/10 (ME-SFI control module).
2010 Mercedes Benz E 63 AMG Sedan (212.077) V8-6.3L (156.985) Copyright ? 2013, ALLDATA 10.52SS Page 9
Step D3: Test voltage supply of component B2/5b1 (Intake air temperature sensor).
Step D4: Test internal resistance of component B2/5b1 (Intake air temperature sensor).
If the measured value of the resistor of the intake air temperature sensor is out of range from the specified value and all test requirements were
fulfilled, replace the mass air flow sensor and send this part with the required DAS-printouts (see below) to our Quality Evaluation Center.
Note:
Before replacing the mass air flow sensor, check for sand and dirt particles in the clean side (between air filter and engine) of the air intake system
and clean if necessary. Check complete air intake system with air cleaner and repair as necessary.
Required DAS-printouts for warranty returns:
^ Printout of all fault codes of the ME2-SFI-motor electronics (short test).
^ Freeze frame data of all fault codes stored in the ME2-SFI-motor electronics.
Document the value of the measured resistance and the approximate temperature of the area surrounding component B2/5b1 for test purposes in our
Quality Evaluation Center in the dealer text section of the warranty claim.
2010 Mercedes Benz E 63 AMG Sedan (212.077) V8-6.3L (156.985) Copyright ? 2013, ALLDATA 10.52SS Page 10
Returned MAF sensors without the required information will be debited back to the dealer as of repair date March 12, 2004.
Note:
Only original, readable printouts with the VIN number (DAS-readout) of the vehicle are accepted.