Nearly 500,000 Mercedes cars across its range in the US are being recalled.
They are to be checked for faulty air bags which may inadvertently deploy.
US dealers are also recalling 342,300 Kia Soul and Soul EVs with suspected faulty pinion gear on the steering. Failure could result in the system falling apart.
Meanwhile, over 216,000 Audi A5 and Q5 models will be checked by American suppliers.
They may have contact corrosion on the heater wiring which could lead to overheating or melting of the insulation.