This video will show you how you can check the oil level on your Mercedes E-Class (W211). br Car used in the video: Mercedes E320 CDI Elegance (W211) br ======================================================== br ► What you have to do to check your oil level correctly: br - Make sure your car is on flat surface. br - Make sure your engine is fully warmed up. br - After turning off the engine wait for 10-15 minutes to allow the oil time to run back to the sump.