Check engine light came up with error code for inconsistent Ambient Air Temperature and Intake Air Temperature readings. Service diagnosed the problem and replaced faulty Intake Air Temperature sensor.
Check engine light came on. Tech read codes and unplugged the airflow sensor wire for 30 seconds. Reconnected wire with no check engine light since. No other issues in 25,000 miles.
Coolant leak from crack In coolant distribution pipe.
Drivability issues. Car would jerk and shudder upon acceleration intermittently. Diagnosed repair for new crank positioning sensor which was replaced.
Second trip: Replaced the transmission control module.
Emissions repair approximately $6000 covered under warranty. I think the filters and nozzles that deliver the DEF were defective.
DEF tank had shown empty even though the tank was filled by myself. Was unable to start car due to software, needed car towed to the dealer. Tank was checked for cracks and software was reset.
AdBlue Fault, CEL, immediately after "Service B" was performed at dealer. Had to take to local dealer on trip because the car would potentially not restart after this fault. Dealer knew of software upgrade and didn't perform at service
engine mount failure, which spilled all of it's hydraulic fluid over the underside of the car and in garage
Check engine light was on. Not sure what they replaced but all done under warranty and working fine now
Driving on an interstate highway the car shut off. The dealer has not been able to identify the problem. Keyless door locks did not work always. I have asked the dealer to replace the car, but no response. MB USA is replacing the car.
The cars had hesitation and shuddering. The check engine light came on. The car was diagnosed with a faulty fuel injector. The high pressure fuel pump was leaking oil
into the fuel system, so they had to replace all injectors, the fuel rails, and the high pressure fuel pump all under campaign at no cost to me.
check engine light came on, slight misfiring occurring -- CEL at first flashing, then a solid light w/out misfiring. Dealer did software upgrade to remedy issue.
Main computer malfunction requiring a new wiring harness, Car was driveable, continued on trip and visited hometown Mercedes dealer who repaired satisfactorily.
Various repairs re: CTO purchase - all under warranty.-Spare key program-Re-program mbrace-Engine noise (replace timing chain tensioner)-Replace scratched windshield-Replace rear wheel brake rotors
The "Check Engine" light came on. The dealer determined that an oxygen sensor in the emissions system was at fault. The part had to be ordered and put in on another day. All was covered under warrantee.