2019 Mercedes-Benz CLA 250 · Electrical & software
Electrical or software fault may disable vehicle functions
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 the reviewed source says
Start with the documented condition, not a parts guess.
NHTSA campaign 21V058000 includes certain 2016 to 2021 Mercedes-Benz CLA 250 vehicles. Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles. Please refer to the Part 573 report for specific vehicle model details. Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
Words owners may use
Does this match the moment?
Symptoms in the pattern
- Warning messages, a blank display, a no-start condition or loss of a vehicle function may occur
- An open campaign appears when the complete VIN is checked
- Some recalled vehicles may show no advance warning before the component fails
Vehicles and scope
- 2016 to 2021 Mercedes-Benz CLA 250
- NHTSA campaign 21V058000
- The manufacturer filing lists 1,292,258 potentially affected units across the complete campaign.
- VIN eligibility determines whether this recall applies to an individual vehicle
Manufacturer position
What the official procedure directs
MBUSA will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. The recall began March 12, 2021. Owners may contact MBUSA customer service at 1-877-762-8267.
Safety recall eligibility is based on the VIN and campaign scope, not ordinary warranty mileage. Check the complete VIN even when the vehicle is outside its original warranty.
Original evidence
Open the documents behind this page.
Repair paths and safe checks
Separate the diagnosis from the action.
Use the official recall remedy
MBUSA will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. The recall began March 12, 2021. Owners may contact MBUSA customer service at 1-877-762-8267.
Do not buy parts from the campaign description alone. VIN scope, superseded remedies and parts availability can change.
What owners reported
Did this repair fix the same symptom on your car?
Loading owner reports…
Check the complete VIN before arranging work
Enter the 17-character VIN in NHTSA's recall lookup and ask the manufacturer or an authorised dealer to confirm whether the campaign is open for this vehicle.
A year, make and model match does not prove that every vehicle is included. The VIN result controls eligibility.
What owners reported
Did this repair fix the same symptom on your car?
Loading owner reports…
Useful before authorizing work
Read the method beside the problem
These guides explain the safety and evidence checks that apply to this problem file.
Check recalls by VIN
A VIN search checks the displayed NHTSA records for an unrepaired safety recall associated with one vehicle. A model search shows only the wider campaign population.
Read guide ↗When a car is unsafe
A warning light does not always mean the same thing, but weak brakes or smoke leave little room for experimentation. Damaged tires and certain recall instructions can do the same.
Read guide ↗Why symptoms overlap
“It makes a weird noise” is useful human language. Diagnosis begins when that language is tied to the exact vehicle and its operating conditions.
Read guide ↗More for this model
Other reviewed Mercedes-Benz CLA 250 conditions
2015 to 2018 Mercedes-Benz CLA 250 · Safety restraints
Air bag may deploy unexpectedly
The driver's air bag may unexpectedly deploy due to insufficient grounding of the steering components if an electrostatic discharge occurs and the air bag clockspring is broken.
2020 to 2021 Mercedes-Benz CLA 250 · Body & structure
Door may open or fail to latch
The micro-switch in the driver's door lock may corrode and fail to detect an open door, preventing the electronic parking brake or "Auto-Park" feature from engaging automatically.
2015 to 2017 Mercedes-Benz CLA 250 · Engine & cooling
Engine defect may cause power loss or damage
In the event that the engine or transmission cannot turn over, the starting current limiter may overheat from the repeated attempts of the starter motor attempting to start the vehicle.