Saturday, August 8, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

Mercedes-Benz E350 2013technical service bulletin

Bulletin NCU-2020050027 · NHTSA communication 10210921 · issued Apr 7, 2022

Technical service bulletin
communication type
Engine and Engine Cooling
component
2013
model years
1
vehicle entries

Official summary

Mercedes-Benz USA, LLC (â MBUSAâ ) is modifying the emission control system on certain diesel vehicles. The Emission Modification for MY13 E350 BlueTEC (W212) vehicles has been approved by EPA and CARB, and is now ready for installation. An authorized Mercedes-Benz Dealer will install the Emission Modification at no cost to the Owner/Lessee. What Weâ re Doing An authorized Mercedes-Benz Dealer will replace certain emission control system components and update certain software in eligible vehicles.

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.