2019 Mercedes-Benz E-Class Problems: 1 Issues Every Owner Should Know
2019 model year · 800+ owner reports · Updated April 2026
According to Au7o's analysis of 800+ owner reports, the 2019 Mercedes-Benz E-Class has 1 documented known issues. No issues are rated critical, indicating generally reliable ownership. The most commonly reported issue is Turbo Oil Line Leak (M274) with 800 owner reports. Across all issues, repair costs range from $200 to $800. DIY maintenance guides at au7o.io.
All 1 Known Issues
On the 2014-2020 Mercedes-Benz E-Class, the turbo oil feed and return lines on the M274 2.0L turbo engine develop leaks at the banjo bolt fittings and gaskets. Oil drips onto the exhaust manifold, creating smoke and a burning oil smell.
Common Symptoms
- Burning oil smell from engine bay
- Visible smoke from turbo area after driving
How to Fix
Replace the turbo oil feed line and crush washers. Tighten to the correct torque specification. Clean oil residue from the exhaust to eliminate the burning smell.
What Owners Are Using
Parts and tips from 800+ owners who fixed this issue
- TipAlways use new copper crush washers when retightening banjo bolts. Reusing old washers is the #1 cause of repeat leaks.