The problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain model year 2017 E400 4Matic Coupe, E400 Convertible, E550 Coupe and E550 Convertible vehicles manufactured June 7, 2016, to September 8, 2016. On the affected vehicles, there may be insufficient clearance between the left catalytic converter and the composite underbody panel.
The risk
The insufficient clearance may cause the panel to melt, increasing the risk of a fire.
The fix
MBUSA will notify owners, and dealers will inspect and replace the underbody panel, as necessary, free of charge. The recall began December 2016. Owners may contact Mercedes customer service at 1-800-367-6372.
Recall details
| NHTSA campaign | 16V-831 (16V831000) |
|---|---|
| Manufacturer number | 2016110008 |
| Manufacturer | Mercedes-Benz USA, LLC |
| Component | Structure › Frame and members › Underbody shields |
| Report date | November 17, 2016 |
| Owners notified | December 16, 2016 |
| Vehicles affected | 799 |
| Initiated by | Manufacturer |
Vehicles covered
Owner complaints about the body & structure
Frequently asked questions
Is the recall 16V-831 repair free?
Yes. Mercedes-Benz dealers will fix the problem at no cost: MBUSA will notify owners, and dealers will inspect and replace the underbody panel, as necessary, free of charge. The recall began December 2016. Owners may contact Mercedes customer service at 1-800-367-6372.
How do I know if my car is included?
Not every vehicle of the listed model years is affected — the recall covers 799 vehicles built in a certain window. Check your 17-character VIN with our VIN recall check or at nhtsa.gov/recalls.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.