Recall the Mercedes GLS / GLE: fire hazard in the 48-volt system

Mercedes is recalling 52,363 vehicles from all over the world and 2,459 vehicles in Germany (USA: 21,306 vehicles). Mercedes-Benz AG has determined that on certain GLE and GLS series vehicles (BR 167), the 48V ground point tension under the front passenger seat may be too tight. In this case, the cable handle of the ground wire will not be fixed correctly. This may increase the electrical contact resistance at this point of contact. As a result, due to the high electrical currents that can flow through this connection, the temperature in this area can rise – which in turn can lead to a fire in the worst case.

As a precaution, the Mercedes-Benz service organization will check the ground point solenoid on the affected vehicles and correct it if necessary. A planned visit to the workshop for testing and, if necessary, reworking the ground point screw connection will take up to 1.5 hours. Some GLE/GLS (BR 167) vehicles from the October 2018 to November 2021 production period are likely to be affected worldwide.

The following Mercedes model series are affected by the recall, specifically in the USA:

• GLE450 production period November 1, 2018 to November 12, 2021 (2,733 vehicles)
• AMG GLE53 production period November 1, 2018 to November 12, 2021 (3,191 vehicles)
• GLE580 from production period November 1, 2018 to November 12, 2021 (274 vehicles)
• AMG GLE63 production period 1 November 2018 to 12 November 2021 (624 vehicles)
• GLS450 production period November 1, 2018 to November 12, 2021 (12,046 vehicles)
• GLS580 from production period November 1, 2018 to November 12, 2021 (1,471 vehicles)
• Maybach GLS600 production period November 1, 2018 to November 12, 2021 (229 vehicles)
• AMG GLS63 production period November 1, 2018 to November 12, 2021 (738 vehicles)

The recall can be found at NHTSA under case number 22V-231, at KBA under reference number 011771 and at the same manufacturer under code 5491807.

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Conclusion

Mercedes is to make improvements to 52,363 GLS and GLE model series cars worldwide. On some vehicles from model years 2018 to 2021, incorrect tension of the cable lug at the 48V ground point may create a fire hazard.