2026 Mercedes-Benz GLS 580 4MATIC problems

26V353000

Date: 2026-05-29. Systems: SEAT BELTS.

Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2026 AMG GLS 63 4MATIC+, AMG GLE 63 S 4MATIC+ COUPE, AMG GLE 63 S 4MATIC+, AMG GLE 53 4MATIC+ COUPE, AMG GLE 53 4MATIC+, GLE 450 4MATIC COUPE, GLE 350 4MATIC, Maybach GLS 600 4MATIC, GLS 580 4MATIC, GLS 450 4MATIC, GLE 580 4MATIC, GLE 450E 4MATIC, GLE 450 4MATIC, and GLE 350 vehicles. The bolts for the rear seat belts may not be tightened prope (excerpt)

Consequence: A loose seat belt may not properly restrain an occupant during a crash, increasing the risk of injury. (excerpt)

Remedy: Dealers will tighten the rear seat belt bolts and replace any missing bolts, free of charge. Owner notification letters were mailed July 17, 2026. Owners may contact MBUSA customer service at 1-800-367-6372. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on June 5, 2026. (excerpt)

Do not drive: No. Park outside: No.

26V199000

Date: 2026-03-27. Systems: AIR BAGS.

Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2026 GLE 350 4MATIC, GLE 450 4MATIC, GLE 350, GLE 580 4MATIC, GLS 580 4MATIC, GLE 450 E 4MATIC, AMG GLE53 4MATIC, AMG GLS63 4MATIC, AMG GLE63 S 4MATIC, GLS 450 4MATIC, and GLS 600 4MATIC vehicles. The passenger air bag fabric may have been manufactured incorrectly, which can cause the air bag not to deploy as intended.

Consequence: Air bags that do not deploy as intended during a crash increase the risk of injury.

Remedy: Dealers will replace the passenger air bag module, free of charge. Owner notification letters were mailed June 12, 2026. Owners may contact MBUSA customer service at 1-800-367-6372. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning April 3, 2026.

Do not drive: No. Park outside: No.

11038188

Date: 2026-09-26. Type: Service Bulletin/Repair Instructions. Systems: STEERING.

Complaint Slight creaking noises when steering. Cause Noises may come from one or more sleeves of the horn contact plate. Remedy Remove the horn contact plate and check the sleeves for noise; see attached video. If necessary, apply lubricant to the sleeves.

11038186

Date: 2026-09-22. Type: Service Bulletin/Repair Instructions. Systems: SERVICE BRAKES.

Complaint Repeat workshop visit for vehicle vibration while braking from 60MPH. NOTE: Although the symptom is similar to a tire or wheel vibration, it is usually readily noticeable that it is distinctly different if it happens at all times or only while braking. Cause Although the cause of the vibra

11038176

Date: 2026-09-17. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.

Complaint Red coolant warning in instrument cluster. Fault codes U019F00 or U019F87 current/stored in MRG1 control unit. Cause Various causes Remedy Perform guided test for fault code U019F with XENTRY diagnosis. Verify the following connections are clean and tight. Correct any problems and retest p

11038174

Date: 2026-09-15. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.

Complaint Radio station cover art does not refresh when switching stations. The UI continues to show the old stationa s artwork instead of updating to the new one. Cause When a new station change request is triggered, a temporary glitch is causing the Head Unit application to fail to overwrite the

11037834

Date: 2026-09-14. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.

Complaint Whining / humming noises (described as foghorna like) from the drivetrain in the rear axle area during cornering. (figure 1) On the abovea mentioned vehicles with a mileage up to 15,000 km (about 9,300 mi), noises can occur from the rear axle differential. Cause Drivetrain resonance caus

11037806

Date: 2026-09-11. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.

Complaint Traffic sign symbol for "Traffic Sign Assist" is blinking in instrument cluster without obvious cause usually with one of the following scenarios: a ? Flashing without a speed limit ("a a "). a ? Flashing when current vehicle speed is under speed limit. a ? Flashing between US speed lim

11037732

Date: 2026-09-09. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.

Complaint CEL light on with no drivability concerns. Cause Signal timing error. Remedy 167, 465: SW has been released. Update the FSAM to the latest SW version. 290, 118, 243, 247: Software is still in development. This fault code does not cause a drivability concern and will clear itself within 2a

11037736

Date: 2026-09-02. Type: Service Bulletin/Repair Instructions. Systems: VISIBILITY/WIPER.

Complaint Customer concern of Air Conditioning not cooling. *NOTE a Use of tracer DYE for leak checks is not approved. Only approved leak check procedures as per WIS are approved. Cause Possible refrigerant leak. Remedy Perform the following measures : *Important* a Photo documentation requireme

11037243

Date: 2026-09-01. Type: Service Bulletin/Repair Instructions. Systems: VISIBILITY/WIPER.

Cause Internal failure of the scroll wheel within the AC compressor. Remedy Check the compressor's index and part number Figure 1 against Table 1. If listed please perform the following: 1. Replace the compressor, drier, and expansion valve using the applicable WIS instructions. 2. Flush the system

11037485

Date: 2026-09-01. Type: Service Bulletin/Repair Instructions. Systems: SERVICE BRAKES.

Complaint When coming to a stop or at slow speeds, brakes produce light squealing noise. Cause Optimized brake pads may produce some noise and is normal at low speeds and light pressure. If the noise begins when the weather is colder, brake noise during this time is normal and the below remedy will