Be cautious of piezo injector failures in the OM651 diesel engines, which can cause rough running and high fuel consumption.
Avoiding certain model years is essential to prevent "financial and emotional burden" from high failure rates: buy used mercedes e class
Considered one of the most dependable E-Class models ever built, offering solid build quality and a more traditional luxury feel. Critical Red Flags & Years to Avoid Be cautious of piezo injector failures in the