The problem
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 C300, E350, and GLC300 vehicles equipped with turbocharged 4-cylinder gasoline engines. The screws that retain the turbocharger oil feed and return lines may not have been properly tightened, possibly resulting in an oil leak.
The risk
An oil leak in the presence of an ignition source such as hot engine or exhaust components can increase the risk of a fire.
The fix
MBUSA will notify owners, and dealers will inspect the turbocharger oil lines and tighten them as necessary, free of charge. The recall began August 17, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020070017.
Recall details
| NHTSA campaign | 20V-364 (20V364000) |
|---|---|
| Manufacturer number | 2020070017 |
| Manufacturer | Mercedes-Benz USA, LLC |
| Component | Engine and engine cooling › Engine › Gasoline › Turbo/supercharger |
| Report date | June 22, 2020 |
| Owners notified | August 17, 2020 |
| Vehicles affected | 90 |
| Initiated by | Manufacturer |
Vehicles covered
Owner complaints about the engine & cooling
Frequently asked questions
Is the recall 20V-364 repair free?
Yes. Mercedes-Benz dealers will fix the problem at no cost: MBUSA will notify owners, and dealers will inspect the turbocharger oil lines and tighten them as necessary, free of charge. The recall began August 17, 2020. Owners may contact MBUSA 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 90 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.