This last week my 250SE has been at the workshop having an alternator upgrade. Back in 2020, my alternator gave up, and I replaced it with a rebuilt 35A alternator. Ever since then, that alternator has struggled to charge the car. It would charge the battery when driving along during the day, without any accessories. But as soon as the A/C was running or the headlights were on, it would barely make enough power. The charge warning light would come on at idle, and even faintly glow when driving.
The W111 alternator is supposed to be a 35A model, and […]
