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  1. R

    R231 Electronics

    I don't k now what year the change-over took place, but my R231 has only one battery, and that is located under the boot floor, and is "centrally" across the width of the car. If you were checking for a two battery system, the Starter motor only battery is under the bonnet, and the auxiliary...
  2. R

    R231 Electronics

    Thank you for your reply, but the later SL's have only one battery!
  3. R

    R231 Electronics

    My 2016 SL400, 17,000 miles, is playing up big time! On initial start-up, everything will function fine. Then after about 20 minutes, the yellow engine management light will come on, and weird things happen. The "C" for Comfort light disappears, the light showing "stop start" is available...


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