Mercedes Benz SL R231 SL550 - Facts and Figures

General Value
Chassis R231
Model SL550
Engine 4663cc
Engine Code M278DE46AL
Fuel Type Petrol
Production 2012
Predecessor R230
Successor -
Performance Value
Power 435 PS - 320 kW - 429 BHP
Torque 700 Nm - 516 lb/ft
Acceleration 4.6 (s)
Top Speed N/A
MPG City 18.0 MPG
MPG Motorway 26.0 MPG
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R231 SL550 Review

We want to find out opinions of R231 SL550 Owners. Do the figures above match your SL550 figures? Have you had any problems during ownership? Is it your Daily Driver? Would you recommened this type of SL?

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SL R231 SL550 Problems, Faults and Recalls

  • R/2012/127 - Risk Of Fire - On a short production run certain SL Class vehicles had their air conditioning systems filled with the wrong refrigerant. Under normal driving there is not a safety risk. However should the vehicle be involved in a very heavy frontal impact accident which occurs in conjunction with a fracture of the refrigerant line it is possible that an engine compartment fire may occur.
  • R/2014/085 - Airbag May Not Perform As Specified - The front passenger air bag module may not have been installed according to specifications. If activated it is possible that separate parts of the passenger air bag module may become loose and may detach.