Directly out of the Manual it says to do the brake fluid service yearly except for the 129 and 140 (As of MY 1993) which are done every 2. I think that 2 is often enough (personal opinion)
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Benzmac:
1981 280GE SWB
1987 16V
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM
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