| NHTSA Recall # | 139750 |
| NHTSA Compaign # | 17V817000 |
| MFG Compaign # | 2018020010 |
| Manufacturer | Mercedes-Benz USA, LLC. |
| Supplier | MERCEDES-BENZ |
| Brand | MERCEDES-BENZ |
| Model | G550 |
| Model Year | 2017 |
| Component | SERVICE BRAKES, HYDRAULIC:POWER ASSIST |
| Date of notification | 16/03/18 |
| Begin date of manufacuring | 03/04/17 |
| End date of manufacturing | 31/05/17 |
| Type of recall | V |
| Recall initiator | MFR |
| Report received | 18/12/17 |
| Report created | 21/12/17 |
| Regulation part number | |
| FMV safety standard number | |
| Estimated number of affected units | 432 |
| Defect summary | Mercedes-benz usa, llc (mbusa) is recalling certain model year 2017 mercedes g550 & g550 4x4 squared vehicles. The vacuum hose for the brake booster may collapse resulting in increased braking effort. |
| Consequence summary | Increased braking effort may increase the risk of a crash. |
| Corrective action | Mbusa will notify owners, and dealers will replace the vacuum hose, as necessary, free of charge. Parts are not currently available. Owners will be notified of the recall in january 2018 and they will receive a second letter when the parts become available, currently expected to be in march 2018. Owners may contact mbusa customer service at 1-877-496-3691. Mbusa's number for this recall is 2018020010. |
| Recall notes | Owners may also contact the national highway traffic safety administration vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153). |