There are 1 owner-reported steering complaints for the 2018 Mercedes-Benz GLS-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
THIS IS A COMPLAINT ABOUT THE STEERING PILOT PART OF THE DRIVER ASSISTANCE PACKAGE OPTION I HAVE ON MY 2018 MERCEDES-BENZ GLS-450. THE STEERING PILOT IS SO POORLY DEVELOPED IT HAS ALMOST CAUSED ME TO CRASH SEVERAL TIMES, SO I HAVE TURNED IT OFF MOST OF THE TIME. THE MBUSA WEBSITE SAYS OF STEERING PILOT, ' THE STEERING PILOT FEATURE HELPS THE DRIVER KEEP THE VEHICLE CENTERED BETWEEN LANE MARKINGS WHILE CRUISING ON STRAIGHT ROADS, OR EVEN IN GENTLE CURVES.' NOTHING COULD BE FURTHER FROM THE TRUTH. WHEN DEPLOYED, STEERING PILOT CAUSES MY VEHICLE TO WANDER BACK AND FORTH IN THE LANE AS A DRUNK DRIVER WOULD, OFTEN CROSSING THE CENTER OR GUTTER LINE, ACTIVATING LANE KEEPING ASSIST. THE VEHICLE TENDS TO DRIVE TOWARD THE LEFT OF CENTER, NOT IN THE CENTER OF THE LANE. STEERING PILOT TRIES TO TAKE OFF RAMPS TO THE LEFT OR RIGHT FROM THE FREEWAYS, AND TRIES TO TURN DOWN STREETS ON SURFACE ROADS WHEN I WANT TO GO STRAIGHT. IT APPEARS TO HAVE NO LEARNING OR UPDATE CAPABILITY, EVEN THOUGH THERE IS AN INTERNET STATION IN THE VEHICLE. I PRESUME MB ENGINEERS ARE MONITORING STEERING PILOT'S PERFORMANCE AND CAMERA PICTURES, BUT WHY NO UPGRADES IN PERFORMANCE LIKE MY TESLA FRIENDS ENJOY WITH THEIR AUTO DRIVE SYSTEMS? THE STEERING PILOT SEEMS TO BE ADVERTISED AS MUCH MORE CAPABLE THAN IT REALLY IS, AND IS SO DANGEROUS I THINK IT PROBABLY SHOULD HAVE NEVER BEEN OFFERED UNTIL IT WAS MUCH MORE DEVELOPED!
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026