The Mercedes-Benz ML 320 CDI with a Swift Conqueror 645 with an actual weight of 1804 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 Swift with a User Payload (160 kg in the caravan and 200 kg in the car including passengers), is pretty good.
Flat roads
Towing Performance
270
347
Mountains
Risk of snaking
324
167
Weight ratio: 75% (82% of kerbweight)
1804 kg
2410 kg
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Mercedes-Benz ML 320 CDI Swift Conqueror 645
Actual Weights
Swift Conqueror 645: 1804 kg.
Mercedes-Benz ML 320 CDI: 2410 kg.
Noseweight: 100 kg.
Actual weight ratio: 75%.
Performance
The engine's performance is generally very good on flat roads (performance score to compare 270 points).
Speeds of 83 mph (134 km/h) to 88 mph (142 km/h) are often quite possible.
There is a lot of power at low engine speeds (score to compare 347 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 15.9 sec.
In the mountains the performance is generally very good (score to compare 324 points).
No problems are to be expected on steep mountain roads (up to 25%). Not even on Hill starts.
On motorway inclines hardly any higher revs are needed.
A speed of 73 mph (117 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 75%. Common in the UK: the weight ratio between the laden caravan and the kerbweight of the car is 82%.
There is a small chance of snaking at higher speeds, strong side winds and thoughtless driving. Even if the combination normally feels stable, the forces by deflection side to side are great at high speed. For drivers with knowledge of, and experience in driving a caravan it is safe to drive, but proper and careful loading is still important! An electronic stability system in the car and / or on the caravan is worth considering.
Recommended noseweight is 100 kg.
Safe speed up to 62 mph (100 km/h).
Stability and safety score to compare is 167 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.
If the caravan is well loaded 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.