"Is the E Serisi E250 reliable, and what should you check?"
When buying a used Mercedes-Benz E-Class E250 2017 (213/238), the most frequently mentioned issue is cooling system problems (thermostat/water pump). Oil consumption and leaks (gaskets) are also commonly reported.
Engines available in this year
Engine varies by trim; verify the engine code on the listing.
Listed from most frequently reported, each with its source.
Cooling system problems (thermostat/water pump)
Often reported
Cooling circuit failures affecting the thermostat and water pump have been reported. A faulty thermostat or less efficient pump can cause short-term overheating, risking cylinder head and engine durability.
Cooling
Oil consumption and leaks (gaskets)
Often reported
Oil consumption and leaks are frequently reported on the M274 engine: valve cover gasket and front crankshaft seal leaks have been reported by many users. This may require more frequent oil top-ups and checks to prevent major damage.
Engine Internal
Camshaft phaser failure and sensor problems
Often reported
In some early M274 engines, camshaft phasers can break and camshaft position sensors can fail, causing diagnostic errors, rough running, and the check engine light to come on.
Engine Internal
Timing chain stretch and failure
Often reported
Many M274 engines have reported timing chain wear, stretch, and tensioner issues. This can cause metallic noises during startup or idle. Chain replacement is recommended around 80,000-120,000 km.
Timing chain
Turbocharger and injectors (reliability at high mileage)
Often reported
Problems with turbocharger and injection components have been reported on M274 turbo petrol engines; turbo actuator, sensors, and piezo injectors may wear, leading to performance loss and increased fuel consumption.
What to look for when buying a Mercedes-Benz E-Class E250?+
When buying a 2017 E250, check the service history, test drive, and engine/transmission warnings. Most commonly reported issues: cooling system problems (thermostat/water pump); oil consumption and leaks (gaskets); camshaft phaser failure and sensor problems.
What are the chronic problems of the Mercedes-Benz E-Class E250?+
Most commonly reported issues: cooling system problems (thermostat/water pump); oil consumption and leaks (gaskets); camshaft phaser failure and sensor problems.
Is the Mercedes-Benz E-Class E250 reliable?+
Instead of a simple yes/no, it's necessary to evaluate proven pros and cons together. This page lists 5 verified findings.
How does Carbeak collect data?+
The cards on this page are derived from Difetti fault database records; the source vehicle is verified for brand, fuel, engine, and generation match with the target vehicle. Topics with insufficient evidence are not shown.
We only publish claims we can verify. Cards come from Difetti fault records matched to this vehicle on brand, fuel, engine and generation.
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