Repair when you can Communication
A disabled eCall system would prevent a vehicle occupant from contacting emergency services through the call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.
On June 18, 2021, an additional 9 vehicles were added, including certain 2021 GLA250, GLC300, 2018 S450, E400, and 2017 CLA250 vehicles. The communication module might have been inadvertently deactivated during a service visit, which could have disabled the Emergency Call (eCall) function.
What to do: Book it in at your next service. There is no deadline and no charge.
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Repair when you can Communication
Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
Please refer to the Part 573 report for specific vehicle model details. The software design of the communication module may fail to communicate the correct vehicle location for the emergency call system (eCall) in the event of a crash.
What to do: Book it in at your next service. There is no deadline and no charge.
Repair when you can Electrical system
Without the audible tone and blinking warning light to remind the front seat occupants that their seat belts are not buckled, they may forget to buckle their seat belt, increasing their risk of injury in the event of a crash.
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019 C300, C300 Coupe, CLS450, E450 Coupe and S450, 2017-2019 E300, 2018 E400 Coupe, E400 Stationwagon, and 2018-2019 S560 vehicles that have previously had the instrument cluster replaced.
What to do: Book it in at your next service. There is no deadline and no charge.
Repair soon Seat belts
The electric PRE-SAFE®-function and the seat belt pretensioners may not deploy during a crash, increasing the risk of injury.
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2018 E400 Wagon 4MATIC, E400 4MATIC, E43 AMG 4MATIC, 2018-2019 E63S AMG 4MATIC Wagon, E63 AMG 4MATIC Wagon, E300, E300 4MATIC, GLC63S Coupe AMG 4MATIC, 2019 CLS450, CLS450 4MATIC, CLS53 AMG 4MATIC, E450 Wagon, E53 AMG 4MATIC, GLC300, GLC63 AMG Coupe 4MATIC, G550 4MATIC, G63 AMG, GLC300 Coupe 4MATIC, GLC300 4MATIC, GLC350e 4MATIC, GLC43 AMG Coupe 4MATIC, GLC43 AMG 4MATIC, GLC63 AMG 4MATIC, GT63 AMG four-door 4MATIC, and GT63S AMG four-door 4MATIC vehicles.
What to do: Book this in with a dealer now. It affects a safety system.
Repair soon Steering
A car that cannot be properly steered has an increased risk of a crash.
A locknut in the steering rack may break under high load, possibly causing the steering to become stuck in one position.
What to do: Book this in with a dealer now. It affects a safety system.
Fire risk Electrical system
If the battery is shorted, the emergency door unlocking would be deactivated for an outside responder and the short circuit could increase the risk of a fire.
The cover for the starter battery may not cover the live positive electrical wire, and in certain crashes, the vehicle's strut brace may deform and short circuit the battery.
What to do: Park away from buildings and book the repair now.
Repair soon Air bags
If a child seat is in the front seat and the passenger air bag is not deactivated, in the event of a crash, it can increase the risk of injury.
The Occupant Classification System (OCS) may not be properly calibrated, resulting in the front passenger air bag not being deactivated if a child seat is in the front seat.
What to do: Book this in with a dealer now. It affects a safety system.