Mercedes-Benz 240 1985–1987 — technical service bulletin
Bulletin 359A · NHTSA communication 52431 · issued Feb 1, 1997
Technical service bulletin
communication type
Engine and Engine Cooling
component
1985–1987
model years
4
vehicle entries
Official summary
Models with diesel engines equipped with trap oxidizers replacement of the trap oxidizer with an oxidation catalyst. *tw
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.