In-depth reviews

Mercedes C-Class saloon - Reliability & safety

Cutting-edge safety equipment should make the C-Class very safe

Carbuyer Rating

4.3 out of 5

Owners Rating

3.0 out of 5

Read owner reviews
Reliability & safety Rating

4.0 out of 5

Mercedes has an excellent reputation for safety and the C-Class is bursting at the seams with technology to both mitigate collisions and help protect occupants should an accident occur. It hasn't been crash-tested by independent body Euro NCAP yet but we fully expect a five-star result when it is.

The German brand may have more work to do when it comes to customer satisfaction, however. It's near the bottom of our Driver Power survey, while Lexus is right at the top. It also faces new challenges from brands like Genesis, which aims to win over buyers with a concierge service and free pickups for servicing.

Mercedes C-Class reliability

Reliability may be less of a reason to buy a C-Class because the outgoing model was ranked 74th in our 2019 survey and didn't appear in 2020's results. Mercedes was also awarded poor scores by owners, coming 28th out of 30 brands overall. A fairly high 16.5% of respondents reported one or more faults within the first 12 months.

The latest C-Class is based on a heavily revised version of the underpinnings from the outgoing model, so Mercedes will hopefully have optimised the new car to fix known weak points. The arrival of more extensive over-the-air software updates should hopefully resolve some technical issues without requiring a visit to the dealership.

Safety

Mercedes is one of the biggest technological innovators, including in the areas of safety and assistance. This can be seen in features like a head-up display that projects an image that appears to be the size of a large TV but floating 4.5 metres ahead of the car. This can provide more accurate information and directions while using the sat nav, as well as showing you information so you don’t have to look away from the road.

There are also advances for the latest generation of Mercedes' Driving Assistance Package. This suite of semi-autonomous driving aids can help the driver stay in lane, with a greater ability to centre the car between the white lines and deal with bends.   

Next Steps

Which Is Best?

Cheapest

  • Name
    C180 S 4dr
  • Gearbox type
    Manual
  • Price
    £28,035

Most Economical

  • Name
    C300e Sport Edition 4dr 9G-Tronic
  • Gearbox type
    Semi-auto
  • Price
    £40,074

Fastest

  • Name
    C300e Sport Edition 4dr 9G-Tronic
  • Gearbox type
    Semi-auto
  • Price
    £40,074

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