2017 Mercedes-Benz C 2.0L Petrol · SL17 HBO

The 2.0-litre petrol C-Class (W205) typically returns 40–50 mpg in real-world driving, depending on specification and driving style, with the 1991cc engine sitting in a reasonable bracket for company car and private use. Road tax for a 2017 petrol C-Class of this engine size is £165 per year for the standard 12-month rate. Insurance for this model and age typically falls within group 25–35, depending on trim, so expect premiums in the £500–£900 range for an experienced driver.

Routine maintenance through Mercedes-Benz main dealers is premium-priced, but quality independent specialists can service these vehicles at significantly lower cost. Typical annual maintenance (service, brakes, tyres) for a C-Class at this mileage is likely to be £400–£700 outside of any major component replacements. Combined fuel, tax, insurance and maintenance costs should be budgeted at around £1,800–£2,500 annually, assuming moderate mileage.

Begin with the items flagged in the MOT history. The May 2024 test recorded front tyres worn on inner and outer edges, suggesting an alignment issue — have the wheel alignment checked and inspect the tyres for uneven wear patterns. The same test noted rear brake disc wear and rear brake pads wearing thin; budget for discs and pads (£250–£400 fitted) if they haven't been replaced since.

For the 2.0-litre petrol engine specifically, check for smooth cold starting, any hesitation or misfires, and listen for timing chain rattle on startup — early W205 petrol units can suffer from timing chain stretch. Inspect the underside for oil leaks around the sump and turbo, and check the condition of the air filter and spark plugs if accessible. Finally, examine the prop shaft flexible coupling noted in April 2025; if the vibration or clunking has worsened, replacement is straightforward but should not be ignored long-term.