Mercedes-Benz SL-Class Convertible (2012 -) Costs

Review by Parkers on
Last Updated: 04 Apr 2017
Sporty, elegant and stylish, the Mercedes-Benz SL has a lot of appeal. Then again, there are hardly any shrinking violets in this sector.

3 out of 5

Running costs

If you have the sort of money to indulge in an SL then you won't be too concerned about the running costs. The most frugal version is the SL 350, which is claimed to return 41.5mpg on average. The SL will be fairly expensive to insure while parts and servicing costs will be high.

* based on most recent data

Estimated fuel cost for 10,000 miles per year


£1,201 - £2,036 *


£1,652 - £1,652 *

The estimated fuel cost figure is a guide to how much this model will cost to fuel each year, so you can compare between cars. It's calculated by using the model's average mpg (calculated from both town centre and motorway driving) and the average fuel price. It's based on the following cost-per-litre: petrol 103p and diesel 109p. Prices are updated daily.

Summary Running Costs

Servicing period

Three years/60,000 miles



Road tax (12 months)

£240.00 - £580.00

Vehicle excise duty (VED) varies according to the CO2 emissions and the fuel type of the vehicle. For cars registered after March 1st 2001 VED or road tax is based on the car's CO2 emissions. For cars registered before March 1st 2001 it is based on engine size.

Full running costs data

3 out of 5

Green credentials

  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
  • I
  • J
  • K
  • L
  • M

CO2 emission figure (g/km)

Fuel economy rating

The arrows indicate the best and worst CO2 bands for this model.

Emissions summary

If you have a green conscience then the cleanest version of the SL is the 350. It emits 159g/km of CO2, which is not too shabby for a sporty convertible with a V6 engine.

Find the exact engine and CO2