I bought a wiring harness for a 2015–2019 Sprinter, which uses the same plug, then dug up a Mercedes wiring diagram showing ... and the check engine light was coming on intermittently.

The Sprinter ... diesel engine mated to a nine-speed transmission for 2022. A new all-wheel drive with a torque-on-demand system replaced the previous 4x4 system Developed by Mercedes-Benz's ...