If both lights come on & stay on then there should be a diagnostic code in one of the two computers, EA/CC or Traction/ABS.
Many times an alternator that overcharges can cause these lamps to come on at times as well.
MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)