Mercedes-Benz A-Class2016

Known issues

• DPF (diesel particulate filter) clogging and regeneration failures, especially on low-mileage/urban driving
• Common-rail diesel injector faults causing hard starting and rough idle
• EGR valve carbon buildup leading to loss of power and increased emissions
• Turbocharger boost pressure sensor faults affecting engine management
• Dual-mass flywheel wear on manual transmission variants causing vibration and clutch judder
• Electrical gremlins in the infotainment and climate control systems

Good for

• Compact, nimble handling and good visibility for city driving
• Solid build quality and interior materials typical of Mercedes
• Respectable fuel economy on motorway runs (45–50 mpg genuine)
• Good safety features and crash test scores for the class