Check Front Axle Tension Strut Pilot Bushings – 2014-2020 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 IMPORTANT SERVICE CAMPAIGN LAUNCH Please note that all customer inquiries should be directed to the Customer Assistance Center at 1-800-FOR-MERCEDES (1-800-367-6372). 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: Service Campaign Launch Notification Check Front Axle Tension Strut Pilot Bushings MY14-20 S-Class (217 and 222 platform) DATE: June 23, 2023 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 Service Campaign Launch Notification June 23, 2023 Campaign No. : Campaign Desc. : Check Front Axle Tension Strut Pilot Bushings 2023050005 22P3390024 This is to notify you of the Service Campaign Launch to check the front axle tension strut pilot bushings on 56 Model Year (“MY”) 2014-2020 S-Class (217 and 222 platform) vehicles. The vehicles will be visible and flagged in VMI as “OPEN” on June 23, 2023. Background Issue Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2014-2020 S-Class (217 and 222 platform) vehicles, the incorrect pilot bushings may have been installed in the front axle tension struts. It is possible that noises and an increased wear of the pilot bushings may occur. What We’re Doing MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will check the pilot bushings on the front axle tension struts, and replace if necessary. Parts The remedy is available and can be performed as necessary. Vehicles Affected Vehicle Model Year(s) 2014-2020 Vehicle Model S-Class (217 and 222 platform) Vehicle Populations Total Campaign Population 56 Next Steps/Notes AOMS/SOMS AOMs – This campaign may generate questions from your dealers. 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. 2 Campaign No. 2023050005, June 2023 TO: ALL MERCEDES-BENZ CENTERS SUBJECT: Model S-Class (217 and 222 platform) Model Year 2014-2020 Check Front Axle Tension Strut Pilot Bushings Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2014-2020 S-Class (217 and 222 platform) vehicles, the incorrect pilot bushings may have been installed in the front axle tension struts. It is possible that noises and an increased wear of the pilot bushings may occur. An authorized Mercedes-Benz dealer will check the pilot bushings on the front axle tension struts, and replace if necessary. Prior to performing this Campaign:  VMI must 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 56 vehicles are affected. Order No. P-SC-2023050005 2 P-SC- 2023050005 Check Front Axle Tension Strut Pilot Bushings Figure 1 Figure 2 3 P-SC- 2023050005 Check/test procedure 1. Remove tension struts (1, Figure 1) of front axle on both sides. For basic data, see AR33.15-P-0160LF. 2. Check diameter (A, Figure 2) of pilot bushing (2, Figure 2) on both sides. a. Diameter (A) less than 50 mm: Perform work procedure on affected side. b. Diameter (A) greater than or equal to 50 mm: End measure. Work procedure 1. Replace affected tension strut of front axle. For basic data, see AR33.15-P-0160LF. 2. Assemble in reverse order. __________________________________________________________________________________________________ Primary Parts Information Qty. Part Name Part Number As required (1) Right tension strut A 217 330 52 00 28 As required (1) Left tension strut A 217 330 51 00 28 2 Nut A 005 990 24 50 2 Nut A 005 990 47 50 4 Spacer disk A 220 333 00 76 02 2 Nut N 000000 008261 2 Screw N 308765 014012 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.) 33 900 24 12-1681 Operations: Check front axle tension strut pilot bushing on both sides Includes: Remove/install 2 wheel and tire assemblies, remove/install lower engine compartment lining, tension strut of front axle (on both sides) 2.0 12-1682* Operations: Replace affected tension strut of front axle (after check) 0.1 * Invoice operation item only once for each workshop order. Note: Always check Xentry Operation Time (XOT) 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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