Saloon · 2014–2024

Mercedes-BenzC-Class

Premium compact exec. C220d and AMG Line dominate; C43/C63 are the fast ones. Estate practicality is underrated.

Best for: Premium saloon/estate buyers.

Indicative running costs ~£2,062–£3,056 / year

Power: 150–510 hp
Economy: 45–60 mpg
Fuel: Diesel
Boot: 455–1,480 litres
0–60: 8.5–12.5 sec 0–60 mph
Ins. group: Grp12–28, depending on trim and power

Owner essentials

The lookups people actually search for — pressures, oil and spare status. Confirm against the V5C engine code and door sticker.

Tyre size

Commonly 205/55 R16 – 245/40 R18

Tyre pressure (cold)

Often ~32–38 PSI cold — door sticker is law for loading

Engine oil

Low-SAPS 5W-30 C3 (or maker approval) for most modern diesels with DPF

Oil capacity

Typically ~4.5–6.5 litres

Spare / puncture kit

Spare, space-saver or sealant kit — check the boot well

ULEZ

Older diesels often charge in ULEZ — check the registration on TfL before buying

Need a PSI ↔ bar converter? Tyre pressure tool →

UK running costs

Ballpark annual ownership for a private Mercedes-Benz C-Class at ~8,000 miles/year.

~£2,062–£3,056 / year

Cost	Indicative yearly figure
Fuel	~£879/yr @ 60 mpg, £1.45/L, 8,000 miles
Road tax	~£195/yr typical post-2017 standard rate
Insurance	£550–£1,100 (indicative)
Servicing	~£360–£520 for a typical annual service
Tyres (avg)	~£200–£360 averaged over a set

· Assumes ~8,000 private miles/year — scale up/down with your mileage.
· Insurance is the wild card: age, postcode, NCB and claims history matter more than the car alone.
· Figures are illustrative UK ballparks for planning — not quotes. Use our running-costs tool for a custom budget.

Custom running-costs calculator →Journey fuel cost →Road tax estimator →

Variants & trims

GTI / ST / R-Line / AMG Line are not the same thing — match the boot badge and V5C engine code.

5 listed

Variant	Engine	Power	Economy	Road tax
C200 / C300 Petrol. 1.5–2.0 petrol · 35–45 mpg	1.5–2.0 petrol	184–258 hp	35–45 mpg	~£195*
C220d / C300d Diesel. 2.0 diesel · 45–60 mpg	2.0 diesel	194–265 hp	45–60 mpg	~£195*
AMG Line Trim. Various · 35–55 mpg	Various	150–265 hp	35–55 mpg	~£195+*
C43 / C63 AMG Performance. 2.0–4.0 turbo · 25–35 mpg	2.0–4.0 turbo	390–510 hp	25–35 mpg	~£195+*
Estate Wagon. Various · 25–60 mpg	Various	150–510 hp	25–60 mpg	~£195*

*Indicative annual UK VED. Confirm on GOV.UK.

Full specifications

Engine2.0 litre

Gearbox5- or 6-speed manual; automatic varies by trim

DimensionsApprox. 4.0–4.6m long · 1.7–1.8m wide

ServiceUsually 12 months or 10,000–20,000 miles; confirm by VIN and handbook

InsuranceTypically groups 12–28, depending on trim and power

Road taxDepends on first registration date, CO₂ band and fuel type — confirm on GOV.UK

CO₂Varies by engine, gearbox and trim — check the V5C or GOV.UK vehicle enquiry

Tyre sizeCommonly 205/55 R16 – 245/40 R18

Tyre pressureOften ~32–38 PSI cold — door sticker is law for loading

OilLow-SAPS 5W-30 C3 (or maker approval) for most modern diesels with DPF

Oil capacityTypically ~4.5–6.5 litres

ULEZOlder diesels often charge in ULEZ — check the registration on TfL before buying

Buying a used C-Class

1AMG Line ≠ C63
29G auto history
3Air suspension options

· Confirm the exact engine code, trim and gearbox on the V5C before ordering parts
· Check the latest MOT history and advisories on GOV.UK
· Compare cold-start behaviour, warning lights and service invoices before buying

Common faults to check

Inspection prompts — not a diagnosis.

Electronics / battery drain
Oil leaks
Air-spring failure if fitted

Mercedes-Benz C-Class FAQs

Is a used Mercedes-Benz C-Class expensive to run in the UK?

As a rough guide, many owners should budget ~£2,062–£3,056 / year including fuel, tax, insurance, servicing and tyres at ~8,000 miles/year. Hotter trims and young drivers cost more.

What tyre pressure does a Mercedes-Benz C-Class need?

Often ~32–38 PSI cold — door sticker is law for loading. Pressures change with load and wheel size — the legal reference is the sticker in the door shut or fuel flap, not the sidewall maximum.

What oil does a Mercedes-Benz C-Class take?

Low-SAPS 5W-30 C3 (or maker approval) for most modern diesels with DPF. Capacity is Typically ~4.5–6.5 litres. Wrong oil on wet-belt / LongLife engines can be an expensive mistake — confirm by engine code in the handbook.

What are common Mercedes-Benz C-Class problems?

Buyers most often watch for: Electronics / battery drain; Oil leaks. Always cross-check MOT history and a pre-purchase inspection.

Is the Mercedes-Benz C-Class ULEZ compliant?

Older diesels often charge in ULEZ — check the registration on TfL before buying

Owner handbook

Official Mercedes-Benz manuals for exact oil grades, torque figures and fuse maps. We link out; PDFs stay with the manufacturer.

Mercedes-Benz manuals ↗

Guides & tools

More Mercedes-Benz

A-Class

1.6 Petrol

GLA

1.6 Petrol

Reviewed October 2026. Photos: Wikimedia Commons. Cost figures are illustrative UK planning ranges, not insurer or DVLA quotes. Manufacturer handbook and UK model-year specifications GOV.UK MOT guidance and vehicle test standards Owner and workshop inspection patterns; verify against the specific VIN