Mercedes-Benz E-Class
W212
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Based on aggregated real-world data across engine, drivetrain, and electronics.
The Mercedes-Benz E-Class W212 is celebrated as one of the most over-engineered and reliable modern Mercedes models. Produced from 2009 to 2016, it is a favorite for taxi operators across Europe.
Technical Reliability Analysis
Reliability Analysis: Mercedes-Benz E-Class (W212, 2009-2016)
The W212 is a paragon of durability, but like any complex machine, it has specific areas that require attention as it ages.
Chassis and Suspension
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Rear Air Springs: Estate models (S212) have self-leveling rear air suspension as standard. These bags can leak after 8-10 years, leading to a sagging rear end.
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Brake Lines: Especially on earlier models, check the rear brake lines for corrosion if the car has been used in snowy regions.
Engines (Non-Core)
- Engine Mounts: Due to the high torque of the diesel engines (OM642/OM651), the hydraulic engine mounts can collapse by 100,000 miles, causing vibrations in the cabin.
Electronics
- Steering Lock (ESL): A known failure point in early cars; if the ESL motor fails, the car won't start. Many owners opt for an emulator fix if the motor burns out.
Maintenance & Care Tips
W212 Long-Life Strategy
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Transmission Fluid: Change every 40,000 miles for the 7G-Tronic to ensure the valve body remains clean.
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Coolant Flush: Perform every 5 years to protect the radiator and heating core.
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Drain Holes: Keep the area under the windshield wipers clear of leaves to prevent water from backing up into the SAM (Signal Acquisition Module).
The Final Verdict
Verdict: Highly Recommended
Arguably the last 'old-school' Mercedes in terms of robust build quality. The facelift models (2013+) are among the most reliable executive cars ever built.
Frequently Asked Questions
How reliable is the Mercedes-Benz E-Class (W212)?
Which engines are recommended?
Is this model a good buy?
Reliable Engines for this model
Overall reliability depends heavily on the specific engine choice. A great car with a problematic engine can still be a risky purchase. Cross-reference the reports above.