EGR valve and cooler clogging
Engine light, sluggish acceleration, uneven running, or limp-home behaviour after town use.
How to check
Warm the engine fully, then accelerate gently and again more firmly from low revs.
Estimated Repair Cost
£800
Explore common problems, estimated repair costs and practical checks for the 2015 Mercedes-Benz GLA-Class 2.1 Diesel Automatic. Use this guide to help assess a used car, then unlock a personalised report for the exact vehicle you're considering.
Engine light, sluggish acceleration, uneven running, or limp-home behaviour after town use.
Warm the engine fully, then accelerate gently and again more firmly from low revs.
£800
Cooling fan running after switch-off, hot smell, poor fuel economy, warning lights, or reduced power.
Drive until warm, then accelerate steadily through the mid-range and let it idle after stopping.
£1,200
Musty smell, persistent condensation, damp carpets, wet boot floor, or unexplained electrical oddities after rain.
Use the ventilation, then drive with the cabin closed and note the smell and how quickly the glass mists.
£600

It can be, but only if the individual car backs it up. For the 2015 Mercedes-Benz GLA-Class 2.1 Diesel Automatic, treat model-level patterns as viewing priorities and let condition, history and inspection evidence decide.
The problem cards above list the model-level checks for this guide. Read them as priorities for inspection and paperwork review, not proof that every example will have those faults.
Look for evidence, not just assurances: MOT advisories, service history, repair invoices, warning lights, fluid leaks, tyre and brake condition, and how the car behaves on a proper test drive. And of course, look at your personalised Should I Buy This Car? report, outlining a full list of common issues in detail, a personalised road test, a plain-English explanation and a MotorIQ score.
The guide above gives you the model-level pattern. A personalised MotorIQ report checks the registration-specific record and turns it into an ownership view before you commit.
Or enter the vehicle manually