2012 Mercedes-Benz S350 Recalls
No NHTSA recalls on record for the 2012 Mercedes-Benz S350. That means NHTSA has no open safety campaign for this vehicle — it does not guarantee the absence of problems. Owners have filed 10 complaints with NHTSA, most often about the engine. Last updated July 5, 2026.
Complaints by component
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.
“Engine has oil leak similar to many 2011-2012 diesel model.”
“I did some research on mercedes 3.0l diesel motors and there seems to be an issue with the seal failing about 50,000 miles causing the motor to leak oil and the seal as well as the oil cooler need to be replaced. It is such a common problem on the 3.0l diesel engines that when you call any repair…”
“I did some research on mercedes 3.0l diesel motors and there seems to be an issue with the seal failing about 50,000 miles causing the motor to leak oil and the seal as well as the oil cooler need to be replaced. It is such a common problem on the 3.0l diesel engines that when you call any repair…”
“"takata recall" the vehicle slips into a limp mode while driving. This have happened several times. I'm taking it to the mb dealer this weekend. 11/16/2016. 57kmiles”
“"takata recall" the vehicle slips into a limp mode while driving. This have happened several times. I'm taking it to the mb dealer this weekend. 11/16/2016. 57kmiles”
“Vehicle entered limp home mode while entering intersection. Dealership said codes did not indicate an issue and could not reproduce problem. Only actions taken was a computer test and road test. After leaving the dealer, the vehicle entered the limp home mode again this time on the highway. Dealer…”
“While driving at freeway speeds car went into limp mode. Engine rmp were limited to 1500rpm and speed dropped to 25mph.this happened 3 times during week of 3/14/16 and again on 3/22/16. Had to make defensive emergency maneuver to steer the car away from the traffic lanes and stop on the side of…”
“Tl* the contact owns a 2012 mercedes benz s350. While driving approximately 65 mph, the vehicle decelerated without warning. The contact then coasted over to the emergency lane and there were no warning lights illuminated. The vehicle restarted; however, the failure recurred multiple times. The…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2012 Mercedes-Benz S350 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.