Mercedes-Benz GLS 450 electrical problems
15 complaint narratives mention electrical terms.
Key facts
69 owner complaints analyzed
21 distinct recall campaigns
8,900 mi median reported failure mileage
Scope: 2018 to 2020 model years. Data snapshot: . 17 complaints include usable failure mileage.
Electrical and battery issues evidence
15 of 69 complaints match this topic (21.7%). The keyword filter can include complaints that mention a transmission without reporting its failure. View matching rules.
Owner report 11118382 · 2018-08-07 (August 7, 2018)
TL* THE CONTACT OWNS A 2018 MERCEDES-BENZ GLS450. WHILE DRIVING 70 MPH, THE VEHICLE LOST POWER AND ALL THE WARNING INDICATORS ON THE INSTRUMENT PANEL ILLUMINATED. ALSO, WHEN THE BRAKE PEDAL WAS DEPRESSED, THE VEHICLE FAILED TO STOP. THE CONTACT STATED THAT THE VEHICLE FINALLY STOPPED UPON REACHING A HILL. THE VEHICLE FAILED TO RESTART AND WAS TOWED TO FLETCHER JONES MOTORCARS (3300 JAMBOREE RD, NEWPORT BEACH, CA 92660, [phone removed]). THE DEALER DIAGNOSED THAT THE WIRING HARNESS MELTED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIF…
Owner-reported narrative. 200 miles reported. Look up ODI 11118382 at NHTSA ↗
Owner report 11597427 · 2024-06-28 (June 28, 2024)
Vehicle triggered into limp mode while driving, Braking Assist Disabled, Traction Control Disable, Sound System Disabled. Sent to dealership for repairs. Dealer found water pooled in the passenger side footwell. Estimation 10-20k to fix vehicle. Matching the exact details of the recall issued against 2020-2021 Mercredes Benze GLS450. Water forms as a typical byproduct of a car’s air conditioning system and is diverted away from the car down to the ground through a drain hose. In the affected vehicles, the drain hose may be incorrectly installe…
Owner-reported narrative. Look up ODI 11597427 at NHTSA ↗
Owner report 11613641 · 2024-09-09 (September 9, 2024)
9/9/24 after 5pm I'm driving my car and the check engine light came one. I have a small autel handy scanner always in my car. I checked it right away and gives me the code P06DA (OIL PUM SOLENOID OPEN CIRCUIT - ELECTRICAL ISSUE). I stop on the side for a quick check, no knocking noise from the engine and runs good. I checked on the website (Mercedes forums) and a lot of people had the same problem (lemon???). Most of them talking that thanks God the solenoid stuck on full open (higher pressure oil) so there's no damage to the engine. Repair cos…
Owner-reported narrative. Look up ODI 11613641 at NHTSA ↗
Owner report 11343628 · 2020-08-06 (August 6, 2020)
WHILE DRIVING THE VEHICLE, A SERIES OF ELECTRICAL SYSTEM WARNINGS WERE DISPLAYED IN RAPID SUCCESSION. SHORTLY THEREAFTER, THE VEHICLE LOST POWER, THE ENGINE SHUT OFF, AND THE VEHICLE BEGAN TO GLIDE. THIS INCIDENT OCCURRED ON A RESIDENTIAL STREET WHILE THE VEHICLE WAS TRAVELLING AT 25-30 MPH. THE WARNINGS WERE SPECIFIC TO THE 48V ELECTRICAL SYSTEM. THE VEHICLE WAS OPERABLE AFTER THE INCIDENT AND IT WAS DRIVEN TO THE DEALERSHIP. THE REPAIR INVOICE AND THE WARNING PICTURES ARE ATTACHED. THE ISSUE WAS TRACED TO A GROUNDING ISSUE AS MOST OF THE CONN…
Owner-reported narrative. 8,900 miles reported. Look up ODI 11343628 at NHTSA ↗
Owner report 11402929 · 2021-03-14 (March 14, 2021)
WE PURCHASED A NEW 2020 MERCEDES BENZ GLS 450 IN OCTOBER 2019 FROM THE OAKLAND DEALERSHIP AND SHIPPED THE CAR TO HAWAII. THE VEHICLE IS NOW 117 MONTHS OLD AND HAS ABOUT 4100 MILES. BECAUSE OUR VEHICLE IS LIGHTLY USED WE ARRANGED FOR MERCEDES BENZ TO SUPPLY AND INSTALLED A 'BATTERY MINDER' TO KEEP THE VEHICLES 48 VOLT SYSTEM CHARGED WHEN WE ARE AWAY FOR AN EXTENDED TIME. HOWEVER WE DID NOT HAVE THE BATTERY MINDER HOOKED UP AT THIS TIME BECAUSE WE ARE USING THE VEHICLE ON A WEEKLY BASIS. ON MARCH 7, 2021 WE EXPERIENCED A "48 VOLT BATTERY MALF…
Owner-reported narrative. 4,200 miles reported. Look up ODI 11402929 at NHTSA ↗