Avis couldn't supply me with a Touran this week so had to make do with an E Class 220 CDI saloon for a 1000 km on mainly autobahns over 4 days.
What was good : Cruising at 160 km/h was not a problem. Economy was indicated at 7 L/100 km (40 mpg) - excellent. MB sat nav was excellent, easy to...