What the known faults on this Mercedes-Benz E-Class 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.
The single priciest documented job on the 2013–2025 Mercedes-Benz E-Class is head gasket / cooling system repair at £900–£2,600. Few cars need every repair listed here · treat £2,810–£11,050 as the full exposure if one arrived with all of them.
Coolant leaking into the vacuum system causing a hard brake pedal and coolant loss on OM654 diesels.
Inspect · Remove the main vacuum line from the vacuum pump at the front of the engine and check the inside of the pipe for wet coolant residue.
Injector and turbo actuator faults on older diesels
Inspect · Listen for uneven idle and check for smoke
DPF and AdBlue faults on OM651 and OM654 diesels
Inspect · Check AdBlue warnings and run to full temperature
COMAND infotainment and camera faults
Inspect · Test all cameras, screens and driver assistance
Air suspension (Airmatic) leaks and compressor failure
Inspect · Check the car sits level after standing and cycle the modes
Premature rocker arm and roller bearing wear causing a rhythmic metallic ticking noise on OM654 engines.
Inspect · Start the engine from cold, open the bonnet, and listen closely to the top acoustic cover for a distinct metallic tapping that increases directly with engine revs.
Harsh, jerky gear changes or clunking during downshifts on the 9G-Tronic gearbox.
Inspect · Select Sport+ mode on a test drive, accelerate to 30 mph, and use the steering wheel paddles to force 3-2 and 2-1 downshifts, feeling for harsh engagement.
Splitting and cracking of the Artico synthetic leather on the seat bolsters.
Inspect · Press firmly down on the driver's seat right-hand base and backrest bolsters, inspecting the seams and creases for underlying splits in the vinyl material.
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.
Build a tickable checklist for the exact car in front of you, record faults with photos, and hand the buyer a report.