One problem related to warning light on has been reported for the 2009 Mercedes Benz R350. The most recently reported issues are listed below.
Drivers side rear air bag constantly losing air pressure. No warning light, both while parked and while driving. Fender nearly touches the tire, vehicle leans and becomes unstable. No visual evidence of cracked or deterioration .
| Air Bag problems | |
| Warning Light On problems | |
| Front Driver Side Air Bag Inflator problems |