Check Airbag Control Unit Installation – 2021 Mercedes-Benz S-Class

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Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600 News Channel Update | Vehicle Compliance & Analysis PUBLIC IMPORTANT RECALL CAMPAIGN UPDATE Please see the attached documents related to the campaign listed above. Please note that all customer inquiries should be directed to the Customer Assistance Center at 1-800-FORMERCEDES. Sincerely, Gregory Gunther Department Manager, Vehicle Compliance & Analysis TO: Mercedes-Benz Dealer Principals, General Managers, Sales Managers, Service Managers, Parts Managers FROM: Gregory Gunther, Department Manager, Vehicle Compliance and Analysis, Engineering Services RE: Recall Campaign Launch Notification Check Airbag Control Unit Installation MY21 S-Class (223 platform) DATE: April 8, 2022 Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600 News Channel Update | Vehicle Compliance & Analysis PUBLIC Recall Campaign Launch Notification April 8, 2022 Campaign No. : NHTSA ID Campaign Desc. : Check Airbag Control Unit Installation 2022030024 22V124 22P5494205 This is to notify you of the Recall Campaign Launch to check the airbag control unit fastening nuts on 14 Model Year (“MY”) 2021 S-Class (223 platform) vehicles. The recall campaign will be visible on the www.safercar.gov website and may generate questions from customers. Affected VINs will be flagged in VMI as “OPEN” on April 8, 2022. Background Issue Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2021 S-Class (223 platform) vehicles, the airbag control unit fastening nuts might not have been tightened according to current production specifications. This may cause the airbag control unit to detect incorrect acceleration values while driving. As a result, the restraint systems might deploy unintentionally in the vehicle. In addition, in the event of a crash, the restraint systems might not be activated as specified. Depending on the scenario, the risk of a crash or injury could be increased. What We’re Doing MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealer will check the installation of airbag control unit fastening nut on the affected vehicles and correct it, if necessary. Parts The remedy is available and can be performed. Vehicles Affected Vehicle Model Year(s) 2021 Vehicle Model S-Class Vehicle Populations Total Recall Population 14 Total Vehicles in Dealer Inventory 0 Given this notice, it is a violation of Federal law for a dealer to sell or lease any new MY21 S-Class vehicles in dealer inventory covered by this notification until the vehicle has been repaired. Once the remedy is available, the vehicles will be flagged as “OPEN” and Work Instructions will be available in Xentry. Once the repair is complete the vehicle may be sold or leased. Loaner and demonstrator vehicles may continue to be driven, but must not be retailed until repaired. As a matter of normal service process, please check for other repair measures which might be applicable to the vehicle(s). Additionally, given this notice, it is a violation of Federal Law for car rental companies to rent new MY21 S-Class vehicles covered by this notification until the vehicle has been repaired. Next Steps/Notes Customer Notification Timeline Customer letters will be mailed on or before 5/3/2022. AOMS/SOMS AOMs – This recall may generate questions from your dealers. Please forward this notice to your dealers ASAP. Rental Fleet Partners This recall may affect vehicles in your fleet. Please contact your respective MBUSA fleet representative for further information and next steps. For repairs, please contact your preferred MBUSA dealer. While we regret any inconvenience this may cause, MBUSA is determined to maintain a high level of vehicle quality and customer satisfaction. Please refer all customer inquiries to the Customer Assistance Center at 1-800-FOR-MERCEDES. Campaign No. 2022030024, April 2022 TO: ALL MERCEDES-BENZ CENTERS SUBJECT: Model S-Class (223 platform) Model Year 2021 Check Airbag Control Unit Installation Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2021 S-Class (223 platform) vehicles, the airbag control unit fastening nuts might not have been tightened according to current production specifications. This may cause the airbag control unit to detect incorrect acceleration values while driving. As a result, the restraint systems might deploy unintentionally in the vehicle. In addition, in the event of a crash, the restraint systems might not be activated as specified. Depending on the scenario, the risk of a crash or injury could be increased. An authorized Mercedes-Benz dealer will check the installation of airbag control unit fastening nut on the affected vehicles and correct it, if necessary. Prior to performing this Campaign:  VMI must always be checked before performing campaigns to verify that the campaign is required on a specific vehicle. Always check for any other open campaigns, and perform accordingly.  Please review the entire Campaign bulletin and follow the repair procedure exactly as described. Approximately 14 vehicles are affected. Order No. P-RC-2022030024 This bulletin has been created and maintained in accordance with MBUSA-SLP S423QH001, Document and Data Control, and MBUSA-SLP S424HH001, Control of Quality Record 2 P-RC-2022030024 Check threaded connection for restraint system control unit, replace if necessary Model 223 Check/test procedure 1. Expose restraint system control unit until the three bolting points (A, figure 1) can be accessed. For basic data, see AR91.60-P-0628S. Disconnect ground line. Figure 1 1. Remove 3 nuts (A, figure 1) and check thread at threaded studs including the nuts. a. Thread at threaded studs and nuts without damage: Carry out work procedure A. b. Thread at threaded studs and nuts damaged: Perform work procedure B. 3 P-RC-2022030024 Work Procedure A 1. Tighten nuts at bolting points with specified torque. Nut, restraint systems control unit to vehicle floor 10 Nm Clean support points at nuts and SRS control unit if necessary. Work Procedure B Threads in nuts for restraint system control unit or threaded pins are damaged. 1. Completely remove restraint system control unit. 2. Replace threaded studs with damaged thread. a) Remove lines as well as insulation mats in the repair area of the bodyshell screw bolt. b) Protect surrounding area against flying sparks and welding splatter, line with welding mats. AH60.00-P-0001-01S and AH54.00-P-0001-01A. c) Cut off/grind off damaged bodyshell weld stud so that flat at bodyshell. d) Remove, grind off paint and primer in repair area. e) Mark center of old spot weld using a punch mark. f) Pre-drill hole and then drill with a 8.1 mm Ø for positioning the new bodyshell weld stud. g) Insert new bodyshell weld stud and weld on in a MAG welding process. h) Paint repair area in spot repair method according to the Mercedes-Benz specifications. i) Apply a cavity protection agent to repair area according to Mercedes-Benz specifications. 3. Assemble in reverse order. __________________________________________________________________________________________________ Primary Parts Information Qty. Part Name Part Number As required Weld stud A 000 991 32 03 As required Nut A 004 990 62 50 Small parts such as screws, lock nuts, sealing rings, cable ties, fluids, sealant, etc. are not listed in the parts list. The required small parts are taken into account in the budgeting. __________________________________________________________________________________________________ Note: The following allowable labor operation should be used when submitting a warranty claim for this repair: Warranty Information Damage Code Operation Number Description Labor Time (hrs.) 54 942 05 02-0385 Check threaded connection for restraint system control unit Includes: Work procedure A 1.3 02-0386 Repair threaded pin for restraint system control unit (after check) Includes: Work procedure B ZM Note: Always check ASRA for the current OP-Code times. Labor times are subject to change and updates may not be reflected in this document.

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April, 2022 2022030024 Dear Mercedes-Benz Owner: IMf’ORTANl SAf lElfY RIECAll 2022030024 This notice applies to your vehicle, VIN: Check Airbag Control Unit Installation NIHllSA Recall #22V124 Mercedes-Benz USA, LLC • A remedy is available for your vehicle. • Schedule an appointment with your authorized Mercedes Benz dealer as soon as possible. • This repair will be provided free of charge. This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has decided that a defect which relates to motor vehicle safety exists in certain Model Year (“MY”) 2021 S580 4Matic vehicles. Our records indicate that your vehicle is included in the affected population of vehicles. What Is the CONCERN? What will your DEALER DO? What should YOU DO? To find the most convenient authorized Meroedes-,Benz dealer from your smartphone, scan the OR code to the left. Information for Owners On certain Model Year (“MY”) 2021 S580 4Matic (223 platform) vehicles, the airbag control unit fastening nuts might not have been tightened according to current production specifications. This may cause the airbag control unit to detect incorrect acceleration values while driving. As a result, the airbags and seat belts, might deploy unintentionally and/or improperly. Depending on the scenario, the risk of a crash or injury could be increased. An authorized Mercedes-Benz dealer will check the airbag control unit installation, and re-work if necessary on the affected vehicles. This service wjll be proyjdad free of charge, We are dedicated to always delivering the best customer experience, and respect for your time is a top priority. While the minimum repair time can be less than 1.5 hours, your dealer can provide you with a better estimate of the overall time for this service visit. As a matter of normal service process, an authorized Mercedes-Benz dealer will also check for other repair measures which might be applicable to your vehicle and this may increase the required working time. For additional information and to schedule an appointment, please contact your preferred authorized Mercedes-Benz dealer at your earliest convenience. To locate authorized dealers see www.MBUSA.com/recall . POease mention you are scheduling an appointment to check the installation of the airbag controO unit on the affected vehicles under Recall Campaign# 2022030024. You may be asked for your 17-digit Vehicle Identification Number (VIN) which for your convenience is located above your name at the top of this letter. Impacts from COVID-19: Your health and safety remain our top priority. The Mercedes-Benz dealerships remaining open for recall repairs and service are closely following the guidelines set forth by the CDC. Vehicle pick-up and delivery may be available. Your preferred authorized Mercedes-Benz dealer can confirm availability. In the event that you are no longer the vehicle owner, or have had a change of address, please complete the reverse side and return the updated information in the enclosed envelope. If this is a leased vehicle and the lessor and registered owner receive this notice, please forward this information by first class mail to the lessee within 10 business days to comply with Federal Regulations. A VIN-based recall lookup tool on our MBUSA.com website offers a search feature that will indicate whether a vehicle has been subject to a safety recall, and whether that vehicle has had the free remedy performed. See www.mbusa.com/recall. Should you have any questions or encounter any difficulty regarding this Recall Campaign, please contact an authorized Mercedes-Benz dealer. If for any reason a dealer is unable to remedy your situation, we are always happy to hear from you. Please contact us at 1-(800) FOR-MERCEDES ( 1-800-367-6372). If an authorized Mercedes-Benz dealer for any reason is unable to remedy the situation without charge, or within a reasonable amount of time, pursuant to law 49 U.S.C. Chapter 301, you may submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue, S.E., Washington, D.C. 20590 or call the toll-free Auto Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153); or go to https: //www.safercar.gov. We apologize for any inconvenience this situation may cause you. Sincerely, Mercedes-Benz USA Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company One IJh:ircades-Benz Drive Sandy Springs, GA 3032B Phone(770)705-0600 IMPORTANT VIN: If for any reason YOU NO LONGER OWN THIS VEHICLE OR have a CHANGE OF ADDRESS, please COMPLETE THE SECTION BELOW, place in the ENCLOSED ENVELOPE, and DROP IN ANY MAIL BOX. If possible, provide the name and address of the present owner so that we may contact them. □ EXPORTED □ SOLD □ LEASE, VEHICLE RETURNED □ STOLEN □ SCRAPPED □ OTHER ___________ _ □ NEW OWNER INFORMATION □ MY NEW NAME OR ADDRESS IS: I I I I I I I I I I I I I Last Name, First Name I I I 11 I ■ 11 Street Apt ,___I_ I. ……………………….._ ___._____._____._____._____.__. …………………………………….._ ___._____._____.______. ……….■ I ■ I I I City State ZIP I I I I I I Email Address I I I I I Phone {numbers only) Mobile {numbers only) Date Signature **** PLEASE DO NOT DETACH. RETURN COMPLETE LITTER**** DO NOT USE THE ENCLOSED ENVELOPE FOR OTHER CORRESPONDENCE

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Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600 News Channel Update | Vehicle Compliance & Analysis IMPORTANT RECALL CAMPAIGN INFORMATION Please see the attached documents related to the campaign listed above. Please note that all customer inquiries should be directed to the Customer Assistance Center at 1-800-FOR-MERCEDES. Sincerely, Gregory Gunther Department Manager, Vehicle Compliance & Analysis TO: Mercedes-Benz Dealer Principals, General Managers, Sales Managers, Service Managers, Parts Managers FROM: Gregory Gunther, Department Manager, Vehicle Compliance and Analysis, Engineering Services RE: Recall Campaign Initial Notification Check Airbag Control Unit Installation MY21 S-Class (223 platform) DATE: 3/11/2021 Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600 News Channel Update | Vehicle Compliance & Analysis Recall Campaign Initial Notification March 11, 2022 Campaign No. : NHTSA ID Campaign Desc. : Check Airbag Control Unit Installation TBD 22V124 22P2197480 This is to notify you of a new Recall Campaign to check the airbag control unit fastening nuts on 14 Model Year (“MY”) 2021 S-Class (223 platform) vehicles. The recall campaign will be visible on the www.safercar.gov website and may generate questions from customers. Affected VINs will be flagged in VMI as “PENDING” on March 11, 2021. Background Issue Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2021 S-Class (223 platform) vehicles, the airbag control unit fastening nuts might not have been tightened according to current production specifications. This may cause the airbag control unit to detect incorrect acceleration values while driving. As a result, the restraint systems may deploy unintentionally in the vehicle. In addition, in the event of a crash, the restraint systems might not be activated as specified. Depending on the scenario, the risk of a crash or injury could be increased. What We’re Doing MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealer will check the installation of airbag control unit fastening nut on the affected vehicles and correct it, if necessary. Parts Remedy is not available at this time. Vehicles Affected Vehicle Model Year(s) 2021 Vehicle Model S-Class Vehicle Populations Total Recall Population 14 Total Vehicles in Dealer Inventory 0 Given this notice, it is a violation of Federal law for a dealer to sell or lease any new MY21 S-Class vehicles in dealer inventory covered by this notification until the vehicle has been repaired. Once the remedy is available, the vehicles will be flagged as “OPEN” and Work Instructions will be available in Xentry. Once the repair is complete the vehicle may be sold or leased. Loaner and demonstrator vehicles may continue to be driven, but must not be retailed until repaired. As a matter of normal service process, please check for other repair measures which might be applicable to the vehicle(s). Additionally, given this notice, it is a violation of Federal Law for car rental companies to rent new MY21 S-Class vehicles covered by this notification until the vehicle has been repaired. Next Steps/Notes Customer Notification Timeline Customer letters will be mailed on or before 5/3/2022. AOMS/SOMS AOMs – This recall may generate questions from your dealers. Please forward this notice to your dealers ASAP. Rental Fleet Partners This recall may affect vehicles in your fleet. Please contact your respective MBUSA fleet representative for further information and next steps. For repairs, please contact your preferred MBUSA dealer. While we regret any inconvenience this may cause, MBUSA is determined to maintain a high level of vehicle quality and customer satisfaction. Please refer all customer inquiries to the Customer Assistance Center at 1-800-FOR-MERCEDES.

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-124 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Mercedes-Benz USA, LLC Submission Date : MAR 04, 2022 NHTSA Recall No. : 22V-124 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : Mercedes-Benz USA, LLC Address : 13470 International Parkway Jacksonville FL 32218 Company phone : 1-877-496-3691 Population : Number of potentially involved : 14 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2021-2021 Mercedes-Benz S580 4Matic Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS Descriptive Information : Mercedes-Benz 2021 S580 4Matic 14 Vehicles The recall population was determined through production records. Vehicles outside of the recall population have grounding connections bolted according to current production specifications. Production Dates : DEC 02, 2020 – FEB 19, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2021 S-Class (223 platform) vehicles, the airbag control unit fastening nuts might not have been installed according to current production specifications. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If the airbag control unit fastening nuts are not torqued according to current production specifications, the airbag control unit might detect incorrect acceleration values while driving. As a result, the restraint systems may deploy unintentionally in the vehicle. In addition, in the event of a crash, the restraint systems might not be activated as specified, due to incorrectly detected acceleration values. Depending on the scenario, the risk of a crash or injury could be increased. Description of the Cause : Due to a deviation in the assembly process, the airbag control unit fastening nut torque might not meet current production specifications. Part 573 Safety Recall Report 22V-124 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Identification of Any Warning that can Occur : The driver will not receive a warning due to the nature of the failure mechanism. Involved Components : Component Name 1 : Flange Nut Component Description : Flange Nut Component Part Number : A0049906250 Supplier Identification : Component Manufacturer Name : MBAG Address : NR Foreign States Country : Germany Chronology : In February 2021, MBAG launched initial investigations based on a standard review of fastening parameters in the assembly plant. This review indicated parameters not according to specifications were used to fasten the airbag control unit to the vehicle body. The parameters for assembly were immediately replaced with the correct parameters. Starting in March 2021, the documentation of the respective fastening nuts were analyzed in detail and compared to the correct parameters. Furthermore, a plant action was implemented to rework all potentially affected vehicles still accessible to MBAG. In parallel, a close monitoring of vehicles in the field was implemented to detect any irregularities in this context. In the course of this monitoring, no cases in the field were detected worldwide. Starting in September 2021, possible consequences for vehicles in the field as well as relevant regulations were analyzed. Based on the fastening nut torque documentation, an extensive verification of the affected range of vehicles was performed. On February 25, 2022, MBAG determined that a potential safety risk cannot be ruled out and decided to conduct a recall. Part 573 Safety Recall Report 22V-124 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Remedy : Description of Remedy Program : An authorized Mercedes-Benz dealer will check the airbag control unit fastening nut torque on the affected vehicles and correct it, if necessary. Pursuant to 49 C.F.R. § 577.11(e), MBUSA does not plan to provide notice about pre-notice reimbursement to owners since none of the involved vehicles would have been previously subject to the condition described and all remain covered under the new vehicle warranty. How Remedy Component Differs from Recalled Component : Airbag control unit fastening nuts torqued to current production specification. Flange Nut A0049906250 Identify How/When Recall Condition was Corrected in Production : A change in the assembly process ensures that this issue can no longer occur from March 22, 2021 onwards. Recall Schedule : Description of Recall Schedule : Dealers will be notified of the pending voluntary recall campaign on March 11, 2022. Owners will be notified of the voluntary recall campaign on or before May 3, 2022. A copy of all communications will be provided when available. Planned Dealer Notification Date : MAR 11, 2022 – NR Planned Owner Notification Date : MAY 03, 2022 – NR * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-124 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Mercedes-Benz USA, LLC Submission Date : SEP 29, 2022 NHTSA Recall No. : 22V-124 Manufacturer Recall No. : 2022030024 Manufacturer Information : Manufacturer Name : Mercedes-Benz USA, LLC Address : 13470 International Parkway Jacksonville FL 32218 Company phone : 1-877-496-3691 Population : Number of potentially involved : 14 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2021-2021 Mercedes-Benz S580 4Matic Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS Descriptive Information : Mercedes-Benz 2021 S580 4Matic 14 Vehicles The recall population was determined through production records. Vehicles outside of the recall population have grounding connections bolted according to current production specifications. Production Dates : DEC 02, 2020 – FEB 19, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2021 S-Class (223 platform) vehicles, the airbag control unit fastening nuts might not have been installed according to current production specifications. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If the airbag control unit fastening nuts are not torqued according to current production specifications, the airbag control unit might detect incorrect acceleration values while driving. As a result, the restraint systems may deploy unintentionally in the vehicle. In addition, in the event of a crash, the restraint systems might not be activated as specified, due to incorrectly detected acceleration values. Depending on the scenario, the risk of a crash or injury could be increased. Description of the Cause : Due to a deviation in the assembly process, the airbag control unit fastening nut torque might not meet current production specifications. Part 573 Safety Recall Report 22V-124 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Identification of Any Warning that can Occur : The driver will not receive a warning due to the nature of the failure mechanism. Involved Components : Component Name 1 : Flange Nut Component Description : Flange Nut Component Part Number : A0049906250 Supplier Identification : Component Manufacturer Name : MBAG Address : NR Foreign States Country : Germany Chronology : In February 2021, MBAG launched initial investigations based on a standard review of fastening parameters in the assembly plant. This review indicated parameters not according to specifications were used to fasten the airbag control unit to the vehicle body. The parameters for assembly were immediately replaced with the correct parameters. Starting in March 2021, the documentation of the respective fastening nuts were analyzed in detail and compared to the correct parameters. Furthermore, a plant action was implemented to rework all potentially affected vehicles still accessible to MBAG. In parallel, a close monitoring of vehicles in the field was implemented to detect any irregularities in this context. In the course of this monitoring, no cases in the field were detected worldwide. Starting in September 2021, possible consequences for vehicles in the field as well as relevant regulations were analyzed. Based on the fastening nut torque documentation, an extensive verification of the affected range of vehicles was performed. On February 25, 2022, MBAG determined that a potential safety risk cannot be ruled out and decided to conduct a recall. Part 573 Safety Recall Report 22V-124 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Remedy : Description of Remedy Program : An authorized Mercedes-Benz dealer will check the airbag control unit fastening nut torque on the affected vehicles and correct it, if necessary. Pursuant to 49 C.F.R. § 577.11(e), MBUSA does not plan to provide notice about pre-notice reimbursement to owners since none of the involved vehicles would have been previously subject to the condition described and all remain covered under the new vehicle warranty. How Remedy Component Differs from Recalled Component : Airbag control unit fastening nuts torqued to current production specification. Flange Nut A0049906250 Identify How/When Recall Condition was Corrected in Production : A change in the assembly process ensures that this issue can no longer occur from March 22, 2021 onwards. Recall Schedule : Description of Recall Schedule : Dealers will be notified of the pending voluntary recall campaign on March 11, 2022. Owners will be notified of the voluntary recall campaign on April 15, 2022. A copy of all communications will be provided when available. Planned Dealer Notification Date : MAR 11, 2022 – NR Planned Owner Notification Date : APR 15, 2022 – NR * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-124 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Mercedes-Benz USA, LLC Submission Date : MAR 29, 2022 NHTSA Recall No. : 22V-124 Manufacturer Recall No. : 2022030019 Manufacturer Information : Manufacturer Name : Mercedes-Benz USA, LLC Address : 13470 International Parkway Jacksonville FL 32218 Company phone : 1-877-496-3691 Population : Number of potentially involved : 14 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2021-2021 Mercedes-Benz S580 4Matic Vehicle Type : LIGHT VEHICLES Body Style : 4-DOOR Power Train : GAS Descriptive Information : Mercedes-Benz 2021 S580 4Matic 14 Vehicles The recall population was determined through production records. Vehicles outside of the recall population have grounding connections bolted according to current production specifications. Production Dates : DEC 02, 2020 – FEB 19, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2021 S-Class (223 platform) vehicles, the airbag control unit fastening nuts might not have been installed according to current production specifications. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If the airbag control unit fastening nuts are not torqued according to current production specifications, the airbag control unit might detect incorrect acceleration values while driving. As a result, the restraint systems may deploy unintentionally in the vehicle. In addition, in the event of a crash, the restraint systems might not be activated as specified, due to incorrectly detected acceleration values. Depending on the scenario, the risk of a crash or injury could be increased. Description of the Cause : Due to a deviation in the assembly process, the airbag control unit fastening nut torque might not meet current production specifications. Part 573 Safety Recall Report 22V-124 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Identification of Any Warning that can Occur : The driver will not receive a warning due to the nature of the failure mechanism. Involved Components : Component Name 1 : Flange Nut Component Description : Flange Nut Component Part Number : A0049906250 Supplier Identification : Component Manufacturer Name : MBAG Address : NR Foreign States Country : Germany Chronology : In February 2021, MBAG launched initial investigations based on a standard review of fastening parameters in the assembly plant. This review indicated parameters not according to specifications were used to fasten the airbag control unit to the vehicle body. The parameters for assembly were immediately replaced with the correct parameters. Starting in March 2021, the documentation of the respective fastening nuts were analyzed in detail and compared to the correct parameters. Furthermore, a plant action was implemented to rework all potentially affected vehicles still accessible to MBAG. In parallel, a close monitoring of vehicles in the field was implemented to detect any irregularities in this context. In the course of this monitoring, no cases in the field were detected worldwide. Starting in September 2021, possible consequences for vehicles in the field as well as relevant regulations were analyzed. Based on the fastening nut torque documentation, an extensive verification of the affected range of vehicles was performed. On February 25, 2022, MBAG determined that a potential safety risk cannot be ruled out and decided to conduct a recall. Part 573 Safety Recall Report 22V-124 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Remedy : Description of Remedy Program : An authorized Mercedes-Benz dealer will check the airbag control unit fastening nut torque on the affected vehicles and correct it, if necessary. Pursuant to 49 C.F.R. § 577.11(e), MBUSA does not plan to provide notice about pre-notice reimbursement to owners since none of the involved vehicles would have been previously subject to the condition described and all remain covered under the new vehicle warranty. How Remedy Component Differs from Recalled Component : Airbag control unit fastening nuts torqued to current production specification. Flange Nut A0049906250 Identify How/When Recall Condition was Corrected in Production : A change in the assembly process ensures that this issue can no longer occur from March 22, 2021 onwards. Recall Schedule : Description of Recall Schedule : Dealers will be notified of the pending voluntary recall campaign on March 11, 2022. Owners will be notified of the voluntary recall campaign on April 8, 2022. A copy of all communications will be provided when available. Planned Dealer Notification Date : MAR 11, 2022 – NR Planned Owner Notification Date : APR 08, 2022 – NR * NR – Not Reported

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