IsItAGoodCar
Reliability Guide

Common Problems with the
2020 SsangYong (KGM) SsangYong Rexton

The latest-generation Rexton (from 2017) is a vastly superior vehicle, with a Mercedes-sourced 7G-Tronic automatic gearbox, modern interior, and significantly improved refinement. The 2.2-litre diesel is robust and the Rexton remains one of the best-value body-on-frame SUVs available in the UK.

What changed for 2020

  • •All-new generation from 2017
  • •Mercedes 7G-Tronic automatic gearbox
  • •Modern interior with larger touchscreen
  • •Improved refinement and build quality
  • •Retained 3,500kg towing capacity

Common MOT watch-outs

  • !Automatic transmission wear if fluid not changed every 60,000–80,000 km
  • !ABS/ESP sensor moisture ingress
  • !Infotainment random reboots
  • !Electrical sensor faults
2
Known Issues
0
Serious
1
Moderate
1
Minor

All Known Issues

Automatic Transmission Wear

ModerateGearbox & Transmission

The Mercedes-sourced 7G-Tronic automatic can suffer from jerky starting and hard shifting if the transmission oil is not changed regularly (every 60,000–80,000 km).

Est. Repair Cost: £400–£1,200
Warning Signs:

Jerky pull-away, Hard shifting between gears, Transmission warning light, Slipping gears

What to Inspect:
  • Test the gearbox from cold and warm
  • Check transmission service history
  • Listen for clunks during gear changes
Verified by IsItAGoodCar Research Team

Electrical Sensor and Infotainment Faults

MinorElectrics & Electronics

ABS/ESP sensors near the wheel hubs can fail due to moisture ingress, causing warning lights. The infotainment system can suffer from random reboots and Bluetooth sync issues.

Est. Repair Cost: £100–£400
Warning Signs:

ABS/ESP warning lights, Infotainment reboots, Bluetooth connection dropping, Dashboard flickering

What to Inspect:
  • Check for any warning lights
  • Test Bluetooth connectivity
  • Check ABS sensor history
Verified by IsItAGoodCar Research Team

Buying Tips for 2020 SsangYong (KGM) SsangYong Rexton

  • ✓Test the gearbox from cold and warm — jerky starting suggests old fluid or software issues
  • ✓Check transmission service history — fluid changes are essential
  • ✓The latest Rexton is an excellent tow car with modern comfort
2018–20192021–2025
Check a 2020 SsangYong (KGM) SsangYong Rexton by Registration