EngineMedium
Oil leaks and turbo actuator faults
Turbocharger replacement£750–£2,200
Inspect · Underside inspection and boost behaviour
2014–2021 Mercedes-Benz C-Class Estate · common fault repair costs
What the known faults on this Mercedes-Benz C-Class Estate 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
- £750–£2,200
- Top three risks, from
- £1,120
- Worst case, everything
- £6,100
The single priciest documented job on the 2014–2021 Mercedes-Benz C-Class Estate is turbocharger replacement at £750–£2,200. Few cars need every repair listed here · treat £1,370–£6,100 as the full exposure if one arrived with all of them.
Cost per fault
ExhaustHigh
OM651/OM654 diesel DPF and AdBlue faults
DPF forced regen or replacement£250–£1,600
Inspect · Check for AdBlue warnings and limp mode
ElectricalLow
COMAND screen and camera faults
Infotainment repair or software fix£120–£1,200
Inspect · Cycle screen and cameras
SuspensionHigh
Airmatic air suspension leaks where fitted
Suspension refresh (per axle)£250–£1,100
Inspect · Check ride height after standing overnight
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 C-Class Estate this week?
Build a tickable checklist for the exact car in front of you, record faults with photos, and hand the buyer a report.