Mercedes-Benz Sprinter Service Bulletins

532 manufacturer communications on file.

• June 16, 2025•Document ID: 11019964

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  LI14.20-N-079253_3

  Date Added:

  July 1, 2025

  Manufacturer:

  FREIGHTLINER

  Summary

  Check engine light with fault code P300E55 with H12 Complaint The check engine light is activated, accompanied by the following fault code related to the Exhaust gas recirculation cooler (low pressure): •P300E55 The efficiency of component 'Exhaust gas recirculation cooler (low pressure)' is not sufficient. Cause The issue is attributed to an error in the coding of the climate control unit software (HVAC177). Remedy Software Update Instructions Please proceed as follows for the different variants:

  Associated Products (12)

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  Associated Documents

  • DownloadMC-11019964-0001.pdf↗
• June 12, 2025•Document ID: 11019971

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  LI47.70-N-079422_1

  Date Added:

  July 1, 2025

  Manufacturer:

  MERCEDES-BENZ

  Summary

  HV battery is not charging to its full capacity with restricted maximum SoC Complaint The vehicle's HV battery is not charging to its full capacity, with the maximum State of Charge (SoC) being restricted to a specific percentage. Cause The State of Charge (SoC) percentage limitation might be influenced by the Onboard Logic Unit (OLU), MBUX Headunit, or the Powertrain Control Unit (PTCU). Remedy If the Onboard Logic Unit (OLU) and MBUX Headunit do not impose a SoC percentage limitation, then proceed with the SCN coding of the Powertrain Control Unit (PTCU).

  Associated Products (12)

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  Associated Documents

  • DownloadMC-11019971-0001.pdf↗
• June 6, 2025•Document ID: 11019963

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  LI01.10-N-079275_1

  Date Added:

  July 1, 2025

  Manufacturer:

  MERCEDES-BENZ

  Summary

  Internal Diesel Engine Damage or Oil Sludge Formation Complaint Customer reports that the vehicle will not start, is difficult to start, or is making unusual noises. Inspection Findings: Upon inspection, engine bearings—including crankshaft, connection rod, and camshafts—exhibit significant signs of wear. Engine oil shows evidence of sludging, characterized by the presence of thick, gel-like, or semi-solid deposits within the engine. This condition is indicative of oil degradation and/or contamination. Cause Internal engine wear and starting issues are a result of oil sludging. This sludging occurs due to oil degradation and/or contamination. Common contributing factors include: •Failure to perform maintenance on time as indicated by the ASSYST PLUS system •Use of non-OEM (aftermarket) parts or fluids •Addition of incorrect fluids (e.g., AdBlue, washer fluid, coolant) to the engine oil, which can severely compromise lub- rication and engine operation Important: Under no circumstances should any non-engine fluids—such as AdBlue, washer fluid, or coolant—be ad- ded to the engine oil or crankcase. The introduction of these fluids, even in small amounts, can cause severe engine damage. This damage is not covered under warranty. Always verify that only approved engine oil and additives are used during service. Remedy To thoroughly diagnose internal engine wear or oil sludging, follow these guidelines: Maintenance History •Verify maintenance intervals: Check that all maintenance has been performed on schedule as indicated by the ASSYST PLUS system in the Instrument Cluster and according to WIS. (Refer to Attachments) •Review records: Examine the vehicle’s service history using resources like VMI, CarFax, and any documentation pro- vided by the customer. •Validate parts and fluids: Confirm all maintenance was carried out using OEM-approved parts and fluids as specified in the Owner’s Manual and Maintenance Booklet.

  Associated Products (12)

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  Associated Documents

  • DownloadMC-11019963-0001.pdf↗
• May 19, 2025•Document ID: 11018922

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  LI49.20-N-079157

  Date Added:

  June 3, 2025

  Manufacturer:

  FREIGHTLINER

  Summary

  Complaint The check engine light is activated, accompanied by one or more of the following fault codes related to the Adblue System: •P20F409: The Adblue consumption is too low. There is a component fault. •P202E84: The Adblue metering valve 1 (Motor side) has a malfunction. There is a signal below the permissible limit value. Cause The potential causes for these fault codes are: A. A leak in the Adblue System B. An internal fault with the Adblue Injection Valve #1 (Motor side) C. An air pocket forming in the Adblue Injection Valve #1 (Motor side) Adblue Injector Line Remedy --Prior To Production Date 08/01/2024 Code XY4 = MY24-- A. A Leak in the Adblue System 1. Complete the Guided Tests for P20F409 or P202E84: •Perform a thorough inspection of the Adblue Tank, the Adblue Pump, the Adblue Line, and both Adblue Injectors for leaks. •Ensure the Adblue line is properly installed, securely fastened in all clips, and not in contact with the exhaust system. •Remove both Adblue Injection Valves and complete 2-3 pressure build-ups and inspect for Adblue leakage. •If a leak is identified, repair it and retest. B. An internal fault with the Adblue Injection Valve #1 (Motor side) 1. Process Other Fault Codes First: •If there are other fault codes for the Adblue Injection Valves, address these first. •If the Adblue Injection Valve #1 (engine side) fails the guided tests, replace it and retest. C. An air pocket forming in the AdBlue Line (Motor side) 1. If Guided Tests Pass and No Leaks are Found: •Do not replace any components. •Germany has identified the root cause of fault code P20F409 and is working on a solution. The design of the MY23-24, Code XY4 = MY24, OM654 AdBlue Line (A907 470 01 01) is causing air pockets in the system, resulting in fault code P20F409. Depending on the size of the air pocket, you may also encounter fault code P202E84 AdBlue Metering Valve 1 (Motor side). •The guided tests for fault code P20F409 have been updated to include the resetting of learned values for component ‘A103m1 (AdBlue delivery pump)’ and to release the vehicle back to the client.

  Associated Products (12)

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  Associated Documents

  • DownloadMC-11018922-0001.pdf↗
• May 19, 2025•Document ID: 11018921

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  LI14.20-N-079253

  Date Added:

  June 3, 2025

  Manufacturer:

  FREIGHTLINER

  Summary

  Complaint The check engine light is activated, accompanied by the following fault code related to the Exhaust gas recirculation cooler (low pressure): •P300E55 The efficiency of component 'Exhaust gas recirculation cooler (low pressure)' is not sufficient. Cause The issue is attributed to an error in the coding of the climate control unit software (HVAC177). Remedy A software update to correct the coding error is currently in the process of release for the Aftersales network. In the interim, please proceed as follows: •Erase the fault memory (DTCs) from the control unit. •Return the vehicle to the customer. •No further diagnostic or repair procedures are required at this time.

  Associated Products (12)

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  Associated Documents

  • DownloadMC-11018921-0001.pdf↗
• May 9, 2025•Document ID: 11018920

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  LI14.20-N-073867

  Date Added:

  June 3, 2025

  Manufacturer:

  FREIGHTLINER

  Summary

  Complaint Complaint A: The engine is jolting/bucking between 1700 and 1900 rpm. Complaint B: One or more mechanical related fault codes for EGR Valve stored in CDI control unit, with possible Check Engine Light. Review list of mechanical fault codes in table below. NOTE: If one or more electrical related fault codes for EGR Valve are also present in CDI, utilize Complaint C. Review list of electrical fault codes PDF document in attachments. Complaint C: One or more electrical related fault codes for EGR Valve stored in CDI control unit, with possible Check Engine Light. Review list of electrical fault codes PDF document attached. Cause Cause of Complaint A: Increased friction between the EGR Valve blade and seat due to soot deposits causing a delay of the EGR Valve being able to reach the target value of the EGR Valve position controller. NOTE: This causes the EGR Valve blade and potentially the boost pressure controller to oscillate. Cause of Complaint B: Soot deposits between the EGR Valve blade and seat leading to the EGR Valve no longer being able to meet the desired target of the EGR Valve position controller. Cause of Complaint C: Internal EGR Valve or other electrical faults related to the EGR Valve function.

  Associated Products (38)

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  Associated Documents

  • DownloadMC-11018920-0001.pdf↗
• April 25, 2025•Document ID: 11017570

  Warranty Program/Extension
  ENGINE

  Mfr Comm. #:

  EGR Valve

  Date Added:

  May 2, 2025

  Manufacturer:

  FREIGHTLINER

  Summary

  In our continuing efforts to assure the proper performance of our products and to ensure the satisfaction of our customers, the warranty for the EGR Valve in the vehicles listed below has been extended from the original 5 years/100,000 miles to 15 years/150,000 miles, whichever occurs first. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz Sprinter vehicles, has determined that dimensional variations during engine valve seating may cause the exhaust gas recirculation (“EGR”) valve to be switched-off and the vehicle may experience a loss of power and enter a limp home mode. The MIL will illuminate and remain illuminated until the vehicle is serviced. When this occurs, the driver may perceive a jerky driving experience while operating the vehicle. An authorized Mercedes-Benz Sprinter dealer will clean and/or replace the EGR valve free of charge for the customer.

  Associated Products (8)

  2022 Freightliner Sprinter2022 Mercedes-Benz Sprinter2021 Freightliner Sprinter2021 Mercedes-Benz Sprinter2020 Freightliner Sprinter2020 Mercedes-Benz Sprinter2019 Freightliner Sprinter2019 Mercedes-Benz Sprinter
  Associated Documents

  • DownloadMC-11017570-0001.pdf↗
• April 25, 2025•Document ID: 11017565

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  LI14.20-N-073867

  Date Added:

  May 2, 2025

  Manufacturer:

  FREIGHTLINER

  Summary

  EGR Valve Diagnosis and Cleaning Procedure using TUNAP 926® on 906, 907 Sprinter with OM642 Diesel Engine Complaint Complaint A: The engine is jolting/bucking between 1700 and 1900 rpm. Complaint B: One or more mechanical related fault codes for EGR Valve stored in CDI control unit, with possible Check Engine Light. Review list of mechanical fault codes in table below. NOTE: If one or more electrical related fault codes for EGR Valve are also present in CDI, utilize Complaint C. Review list of electrical fault codes PDF document in attachments. Complaint C: One or more electrical related fault codes for EGR Valve stored in CDI control unit, with possible Check Engine Light. Review list of electrical fault codes PDF document attached. NOTE: This LI supersedes LI14.20-N-073813, which is no longer valid. Cause Cause of Complaint A: Increased friction between the EGR Valve blade and seat due to soot deposits causing a delay of the EGR Valve being able to reach the target value of the EGR Valve position controller. NOTE: This causes the EGR Valve blade and potentially the boost pressure controller to oscillate. Cause of Complaint B: Soot deposits between the EGR Valve blade and seat leading to the EGR Valve no longer being able to meet the de- sired target of the EGR Valve position controller. Cause of Complaint C: Internal EGR Valve or other electrical faults related to the EGR Valve function.

  Associated Products (47)

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  Associated Documents

  • DownloadMC-11017565-0001.pdf↗
• April 25, 2025•Document ID: 11017561

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  LI09.40-N-079144_4

  Date Added:

  May 2, 2025

  Manufacturer:

  MERCEDES-BENZ

  Summary

  Check engine light with reduced power with fault codes P300A6D, P300974, P300DFB, or P300DE8 Complaint: The check engine light is activated, accompanied by one or more of the following fault codes related to the Boost Pressure Positioner: • P300A6D The boost pressure is too low. Charge Air Cooler. • P300974 Component 'Boost pressure positioner' has a malfunction. The boost pressure is too low. • P300DFB Component 'Boost pressure positioner' has a malfunction. • P300DE8 Boost pressure control A has a malfunction after the cold start. Cause: The potential causes for these fault codes are: A. Leak or Blockage in the Intake or Charge Air System: This can prevent the proper flow of air, affecting the boost pressure. B. Insufficient Source Vacuum, Vacuum Leak, or Sticking/Weak Vacuum Component: These issues can prevent the boost pressure positioner from functioning correctly. C. Internal Malfunction of the Boost Pressure Positioner: The component itself may be faulty. D. Internal Defect with the Variable Turbine Geometry (VTG) System inside the Turbocharger: Issues within the turbo-charger can affect boost pressure control.

  Associated Products (13)

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  Associated Documents

  • DownloadMC-11017561-0001.pdf↗
• April 21, 2025•Document ID: 11017563

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  LI09.41-N-079165_1

  Date Added:

  May 2, 2025

  Manufacturer:

  MERCEDES-BENZ

  Summary

  Low Coolant Warning, Potential Misfire, and Absence of External Coolant Leaks Complaint Low Coolant warning with possible engine misfire caused by a leaking Charge Air Cooler (Intercooler), accompanied by one or more of the following possible fault codes related to the coolant system: P30040B: Component 'Temperature sensor downstream of charge air cooler' has an open circuit or short circuit to po- sitive. P25567B: Sensor 'Coolant level' has a malfunction. The fluid level is too low. Cause The potential causes for this topic are: A. A leak in the Coolant System, other than the Charge Air Cooler. B. An Internal leak of the Charge Air Cooler. C. An unapproved/aftermarket upfit or modification to the coolant system. Remedy A. A leak in the Coolant System, other than the Charge Air Cooler 1. Complete a coolant system pressure test: •Refer to WIS Doc AR20.00-D-1011TS - Check engine cooling system for leak tightness. •Use Tester Cap 210 589 00 91 and Pressure Pump 124 589 24 21 00. •Apply test pressure to the engine cooling system. Do not exceed the specified test pressure of 1.5 Bar to prevent da- mage to the engine cooling system. •Perform a visual check on the top and bottom of the engine compartment and in the vehicle interior. •If coolant loss or pressure loss is present, perform suitable repair measures depending on the vehicle equipment. •If NO signs of coolant loss are found but pressure loss is present, proceed to Step B.

  Associated Products (13)

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  Associated Documents

  • DownloadMC-11017563-0001.pdf↗
• April 17, 2025•Document ID: 11017567

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  LI49.20-N-079157

  Date Added:

  May 2, 2025

  Manufacturer:

  MERCEDES-BENZ

  Summary

  Check engine light with possible Adblue warning with fault code P20F409 or P202E84 Complaint The check engine light is activated, accompanied by one or more of the following fault codes related to the Adblue System: •P20F409: The Adblue consumption is too low. There is a component fault. •P202E84: The Adblue metering valve 1 (Motor side) has a malfunction. There is a signal below the permissible limit value. Cause The potential causes for these fault codes are: A. A leak in the Adblue System B. An internal fault with the Adblue Injection Valve #1 (Motor side) C. An air pocket forming in the Adblue Injection Valve #1 (Motor side) Adblue Injector Line Remedy --Prior To Production Date 08/01/2024-- A. A Leak in the Adblue System 1. Complete the Guided Tests for P20F409 or P202E84: •Perform a thorough inspection of the Adblue Tank, the Adblue Pump, the Adblue Line, and both Adblue Injectors for leaks. •Ensure the Adblue line is properly installed, securely fastened in all clips, and not in contact with the exhaust system. •Remove both Adblue Injection Valves and complete 2-3 pressure build-ups and inspect for Adblue leakage. •If a leak is identified, repair it and retest.

  Associated Products (13)

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  Associated Documents

  • DownloadMC-11017567-0001.pdf↗
• April 3, 2025•Document ID: 11017558

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  LI01.20-N-079115_1

  Date Added:

  May 2, 2025

  Manufacturer:

  MERCEDES-BENZ

  Summary

  Check engine light illuminated - Fault code current P04D-B79 The crankcase ventilation system is interrupted. Complaint: Check engine light on. Fault code P04DB79 is current in the engine control module (N3/10). Cause: Open circuit or high resistance to crankcase vent line contact Remedy 1. Check the electrical connector for S208 vent line contact switch. Refer to attached photo of connection location. 2. Ensure the bolted connection is secure and bolt can be torqued (9Nm). 3. Check continuity from vent line connection to ME control unit. Repair wire if damage is found.

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  Associated Documents

  • DownloadMC-11017558-0001.pdf↗
• March 18, 2025•Document ID: 11016429

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  LI49.20-N-078838

  Date Added:

  April 3, 2025

  Manufacturer:

  MERCEDES-BENZ

  Summary

  Check engine light or Adblue warning with fault codes P206B31, P203B31, or P300494 when outside temperatures are below 32 degrees Fahrenheit. SCR Gen4 (KP7) Complaint: The check engine light or AdBlue warning is activated, accompanied by one or more of the following fault codes rela- ted to the AdBlue tank: P206B31: Malfunction of the concentration sensor for AdBlue; the signal is absent. P203B31: Malfunction of the AdBlue fill level sensor; the signal is absent. P300494: The quality of the AdBlue is insufficient. Cause: A. The software for the AdBlue (SCR) control unit (N118/5) is outdated. B. The concentration of AdBlue is either above or below the Mercedes-Benz specifications, which can lead to prema- ture freezing. C. Frozen or partially frozen AdBlue can cause the AdBlue level sensor to misread levels. D. The AdBlue level sensor is damaged.

  Associated Products (12)

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  Associated Documents

  • DownloadMC-11016429-0001.pdf↗
• March 10, 2025•Document ID: 11016427

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  LI47.10-N-079010

  Date Added:

  April 3, 2025

  Manufacturer:

  FREIGHTLINER

  Summary

  Procedure for When Diesel Fuel Tank is Filled with Incorrect Fuel Type Complaint: Procedure for When Diesel Fuel Tank is Filled with Incorrect Fuel Type (e.g., gasoline, water, biodiesel, AdBlue/DEF) Cause: The incorrect fuel type, such as gasoline, water, biodiesel, or AdBlue/DEF has been added to the fuel system.

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  Associated Documents

  • DownloadMC-11016427-0001.pdf↗
• March 10, 2025•Document ID: 11016426

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  LI47.00-N-069565

  Date Added:

  April 3, 2025

  Manufacturer:

  MERCEDES-BENZ

  Summary

  Fuel Level Unchanged After Refueling Complaint: The customer reports that the fuel gauge shows inaccurate readings or remains unchanged after refueling. Cause: A. The FSCU fails to detect a refueling event. B. The Fuel Level Sensor provides incorrect readings.

  Associated Products (2)

  2019 Freightliner Sprinter2019 Mercedes-Benz Sprinter
  Associated Documents

  • DownloadMC-11016426-0001.pdf↗
• March 10, 2025•Document ID: 11016423

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  LI14.20-N-073867

  Date Added:

  April 3, 2025

  Manufacturer:

  FREIGHTLINER

  Summary

  EGR Valve Diagnosis and Cleaning Procedure Complaint A: The engine is jolting/bucking between 1700 and 1900 rpm. Complaint B: One or more mechanical related fault codes for EGR Valve stored in CDI control unit, with possible Check Engine Light. Review list of mechanical fault codes in table below. NOTE: If one or more electrical related fault codes for EGR Valve are also present in CDI, utilize Complaint C. Review list of electrical fault codes PDF document in attachments. Complaint C: One or more electrical related fault codes for EGR Valve stored in CDI control unit, with possible Check Engine Light. Review list of electrical fault codes PDF document attached. Operation Text: 1. Diagnosis of EGR Valve related concerns including CEL, or drivability concern. 2. Clean EGR Valve. 3. Remove and re-install EGR Valve. 4. Quick Test

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  Associated Documents

  • DownloadMC-11016423-0001.pdf↗
• March 10, 2025•Document ID: 11016430

  Service Bulletin/Repair Instructions
  VISIBILITY/WIPER

  Mfr Comm. #:

  LI82.35-N-078930

  Date Added:

  April 3, 2025

  Manufacturer:

  MERCEDES-BENZ

  Summary

  Warning Lamp "Washer Fluid Empty" Yet Reservoir Is Not Empty Complaint: Warning lamp "washer fluid empty", even thought the washer fluid reservoir is full Cause: Insufficient electrical conductivity of the washer fluid, as the washer fluid was mixed with distilled water. Tip: The washer fluid sensor detects the electrical conductivity. If air is present without electrical conductivity between the measuring points, as is the case with an empty tank, an empty tank is detected by the sensor. Distilled water also does not have electrical conductivity, meaning that the sensor detects an empty tank, even if this is not the case. Remedy: Fill reservoir with standard washer fluid and water (no distilled water) in an adequate ratio in order to ensure electrical conductivity. Exchange of the reservoir with a welded-in sensor is only required if filling with conductive washer fluid has not provi- ded a remedy. This can be made certain by utilizing water with a light amount of salt dissolved in to it for stronger con- ductivity.

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  Associated Documents

  • DownloadMC-11016430-0001.pdf↗
• March 6, 2025•Document ID: 11016428

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  LI49.20-N-075995

  Date Added:

  April 3, 2025

  Manufacturer:

  MERCEDES-BENZ

  Summary

  Vehicles with SCR Generation 4: SCR/AdBlue® warning message cannot be reset with fault code P13DF00 or P300685 Complaint: Vehicles with SCR Generation 4: SCR/AdBlue® warning message cannot be reset. Information: All fault codes in the AdBlue® (SCR) control unit have been processed and corrected; however, fault codes P13DF00 and P300685 remain active and stored in the AdBlue® (SCR) control unit. Cause: The procedure for resetting the SCR/AdBlue® warning message with XENTRY Diagnosis has not been carried out. Information: Before resetting the SCR/AdBlue® warning message for SCR Generation 4, the AdBlue® system must be in proper working condition and tested.

  Associated Products (12)

  2024 Freightliner Sprinter2024 Mercedes-Benz Sprinter2023 Freightliner Sprinter2023 Mercedes-Benz Sprinter2022 Freightliner Sprinter2022 Mercedes-Benz Sprinter2021 Freightliner Sprinter2021 Mercedes-Benz Sprinter2020 Freightliner Sprinter2020 Mercedes-Benz Sprinter2019 Freightliner Sprinter2019 Mercedes-Benz Sprinter
  Associated Documents

  • DownloadMC-11016428-0001.pdf↗
• February 12, 2025•Document ID: 11014726

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  LI07.70-N-078824

  Date Added:

  March 4, 2025

  Manufacturer:

  MERCEDES-BENZ

  Summary

  Complaint Fault code P06DA00 is found current or stored in engine control unit. Check engine light may be activated. Cause Various causes Remedy Up to Model year 2018: Fault code P06DA00 can be disregarded if not activating the check engine light, unless otherwise specified in the gui- ded test. The vehicle continues to operate as designed. Further causes should be investigated if complaint of check engine light is received. Model year 2019 and later: Fault code P06DA00 will activate check engine light as of model year 2019. No driveability concerns will be observed, only illumination of the CEL. This fault code indicates high resistance or open in the circuit to Y130 oil pump control valve. Perform guided test for component Y130 under list of tests in ME. Diagnose location of high resistance or open in Y130 circuit and repair as necessary. Warranty claims submitted without supporting guided test results may be subject to debit.

  Associated Products (56)

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  Associated Documents

  • DownloadMC-11014726-0001.pdf↗
• February 6, 2025•Document ID: 11013889

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  LI49.20-N-075995_3

  Date Added:

  February 6, 2025

  Manufacturer:

  MERCEDES-BENZ

  Summary

  Vehicles with SCR Generation 4: SCR/AdBlue warning message cannot be reset (P13DF00)

  Associated Products (10)

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  Associated Documents

  • DownloadMC-11013889-0001.pdf↗