Mercedes-Benz · Canada · High
Mercedes-Benz SL Class, E Class +1 more: Brakes
Affects Mercedes-Benz SL Class, E Class, CLS Class · 2003–2006 — about 9K vehicles.
The hazard
On certain vehicles, the Sensotronic Brake Control (SBC) unit may contain a pump piston which is out of permissible tolerances. Also, vibrations within the electrical connector may cause a loss of electrical continuity. Both conditions may result in the system reverting to hydraulic function mode. A loss of brake power assist would result in increased pedal effort and extended stopping distance. Correction: Dealers will inspect and, if required, replace the SBC pump unit.
What to do
Contact your dealer; the remedy details were not included in the filing.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational