The CLS receives some minor styling updates for 2009. The grille now has two bars instead of four. Other exterior changes include larger mirrors, new wheels, a new rear bumper and new exhausts. Inside, the CLS receives an updated steering wheel, new gauges and an updated COMAND system.
The M-Class receives minor styling updates for 2009. The exterior changes include revised bumpers, new headlamps and a revised lower grille intake. Inside, the M-Class features new door panels and a new steering wheel. A 50-state compliant diesel engine option is added in the ML320 BlueTEC model
The 6.3L V8 joins the SL model range for 2009 resulting in a new SL63 AMG model. The SL also receives some minor styling tweaks for 2009. A new front end features new headlamps and a larger grille with large single bar. The side air outlets have been restyled and the side mirrors have increased in size. In the rear, bumper features a new diffuser. Inside, the SL gets a new steering wheel and a restyled instrument cluster.
The SLK receives a minor facelift featuring a restyled grille, new front and rear fascias, new side mirrors and taillights. The interior features a new steering wheel and head unit. The SLK300 model replaces the SLK280. On the SLK350, the output of the 3.5L V6 has been increased to 300 hp and 265 lb-ft of torque.