ExhaustHigh
DPF, EGR and AdBlue faults on 2.1 and 2.0 diesels
DPF forced regen or replacement£250–£1,600
Inspect · Check AdBlue countdown and warning history
2015–2023 Mercedes-Benz GLC · common fault repair costs
What the known faults on this Mercedes-Benz GLC typically cost to put right at a UK independent garage · use the figures to price risk before you bid, and to justify a reduction when something shows up on inspection.
Cost at a glance
- Most expensive fault
- £250–£1,600
- Top three risks, from
- £620
- Worst case, everything
- £4,300
The single priciest documented job on the 2015–2023 Mercedes-Benz GLC is dpf forced regen or replacement at £250–£1,600. Few cars need every repair listed here · treat £800–£4,300 as the full exposure if one arrived with all of them.
Cost per fault
SuspensionHigh
Air Body Control leaks on optioned cars
Suspension refresh (per axle)£250–£1,100
Inspect · Check overnight ride height and cycle drive modes
ElectricalMedium
COMAND, camera and parking sensor faults
Electrical diagnosis & module repair£120–£900
Inspect · Test all cameras and sensors, including the 360 system
TransmissionMedium
9G-Tronic harsh shifts without fluid servicing
Routine repair£180–£700
Inspect · Ask for gearbox oil evidence and test kickdown
Ranges are indicative parts-and-labour costs at a UK independent garage, inclusive of VAT. Franchised dealers typically sit 40–80% higher, and prestige or electrified variants sit at the top of each band. Always get a written quote before committing.
Inspecting a Mercedes-Benz GLC this week?
Build a tickable checklist for the exact car in front of you, record faults with photos, and hand the buyer a report.