Used Mercedes-Benz GL-Class (2006 - 2012) Costs Review by David Ross on 10 Aug 2006 Last Updated: 30 Oct 2012 4 The Mercedes-Benz GL-Class is the car that some buyers may have been waiting many years for. It's a proper 4x4 with seven-seat practicality and yet has an interior that matches any of the company's saloons for comfort and style. Latest Mercedes-Benz GL-Class review Summary Driving & Performance Equipment Comfort Costs Safety & Reliability Buying & Selling Owners' Reviews Also Consider Facts & Figures Gallery 2.5 out of 5 Running costs Mercedes-Benz GL-Class running costs aren't great. Residuals - as a percentage - are pretty good, but in real terms, you could still be losing tens of thousands of pounds if you buy new. Going for a used or nearly-new model will save you money but running costs are still fairly high with tyres being especially expensive. The 320 CDI is the most economical but barely averages 29mpg and with a 100-litre tank - one of the biggest around - fill-ups are expensive.It falls into the top insurance groups and Mercedes-Benz servicing is pricey. * based on most recent data Estimated fuel cost for 10,000 miles per year Unleaded £2,230 - £2,341 * Diesel £1,652 - £2,154 * 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 According to on board computer. Warranty Three years/unlimited mileage plus 30-year anti corrosion warranty. Road tax (12 months) £565.00 - £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 1 out of 5 Green credentials < 100A 101 - 110B 111 - 120C 121 - 130D 131 - 140E 141 - 150F 151 - 165G 166 - 175H 176 - 185I 186 - 200J 201 - 225K 226 - 255L242 256+M322 CO2 emission figure (g/km) Fuel economy rating The arrows indicate the best and worst CO2 bands for this model. Emissions summary The Mercedes-Benz GL-Class emissions are disappointingly polluting. With an average of 300g/km CO2 across the line-up, its emissions are too high for a large 4x4. The 'greenest' model is the 320 CDI which emits 257g/km of CO2 and averages 29mpg. The 420 CDI emits 307g/km of CO2 and returns 24mpg. Find the exact engine and CO2 Back to: Comfort Continue to: Safety & Reliability Car Valuations Find used car prices with Parkers accurate car valuations. Find out more Mercedes-Benz GL-Class cars for sale We have 16 models like this for sale. Find Mercedes-Benz GL-Class cars for sale