The Mercedes-Benz ML 420 CDI with a Elddis Avante 626 with an actual weight of 1660 kg is in general a good match and suitable for all journeys on all kinds of roads.
The motor preformance of the Mercedes-Benz is in general very good. And also the weight of the Elddis with a normally distributed User Payload (200 kg in the caravan and 200 kg in the car including passengers), is very good.
Flat roads
Towing Performance
296
415
Mountains
Risk of snaking
360
191
Weight ratio: 65% (72% of kerbweight)
1660 kg
2540 kg
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Mercedes-Benz ML 420 CDI Elddis Avante 626
Actual Weights
Elddis Avante 626: 1660 kg.
Mercedes-Benz ML 420 CDI: 2540 kg.
Noseweight: 90 kg.
Actual weight ratio: 65%.
Performance
The engine's performance is generally very good on flat roads (performance score to compare 296 points).
Speeds of 87 mph (141 km/h) to 92 mph (148 km/h) are often quite possible.
There is a lot of power at low engine speeds (score to compare 415 points).
Higher revs (1600 rpm) are usually not necessary on flat roads, under most circumstances.
Acceleration from 0-62 mph (0-100 km/h) is theoretically possible in 12.6 sec.
In the mountains the performance is generally very good (score to compare 360 points).
No problems are to be expected on steep mountain roads (up to 30%). Not even on Hill starts.
On motorway inclines hardly any higher revs are needed.
A speed of 78 mph (126 km/h) is usually possible on most motorway inclines.
Weight
The towing limit of the Mercedes-Benz is more than sufficient (check this in your vehicle documents).
If you passed your driving test after 1 January 1997, you will need a B+E driving license.
Weight ratio between the laden caravan and the loaded car is 65%. Common in the UK: the weight ratio between the laden caravan and the kerbweight of the car is 72%.
The chance of snaking is relatively small at normal speed, if the caravan is well loaded.
Recommended noseweight is 90 kg.
Safe speed up to 62 mph (100 km/h).
Stability and safety score to compare is 191 points.
If the caravan starts to snake you should reduce your speed and slow down directly! Lift your feet off the accelerator and brake gradually. Hold the steering wheel into a fixed position.
Conclusion
Performance is very good.
Safe driving is possible.
It's a perfect match!
Influence of User Payload on stability
Weight distribution and noseweight are vital in obtaining a stable caravan.