2021 Mercedes-Benz GLB 250 Technical Service Bulletins

225 technical service bulletins (TSBs) are on record for the 2021 Mercedes-Benz GLB 250. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10208670Feb 25, 2022Electrical system. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has produced certain MY 2021-2022 A-Class, CLS-Class, E-Class, GLA-Class, GLB-Class, GLE-Class, GLS-Class, and GT-Class (167, 177, 213, 247, 257, and 290 platform) vehicles without the augmented reality camera (“ARC”), as disclosed at the time of sale to the vehicle purchaser. As a result, the ARC and "Dash-cam" functions are currently not enabled.
• 10208671Feb 4, 2022Electrical system, Equipment. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2021-22 A-Class (177 platform), CLA-Class (118 platform), CLS-Class (257 platform), E-Class (213 and 238 platform), GLA-Class, GLBClass (247 platform), GLC-Class (253 platform), GLE-Class, GLS-Class (167 platform), and GT-Class (290 platform) vehicles, the software for the MBUX control unit does not…
• 10206077Dec 8, 2021Engine cooling. "MY15+ M278 and M157 Equipped Vehicles with Fault Code ""P023400 – Boost Pressure is Too High"" "
• 10205416Oct 29, 2021Equipment. New service campaign launch information.
• 10205414Oct 22, 2021Equipment. New service campaign launch information.
• 10205415Oct 1, 2021Equipment. New service campaign launch information.
• 10205806Aug 30, 2021Equipment. Upon selecting navigation, the central display may show the following message: "Map data does not match with your system. Please insert a medium containing the corresponding map data". the navigation menu cannot be opened.
• 10205812Aug 27, 2021Equipment. The customer may note that the Dashcam feature is inoperable with one of the following complaints.
• 10205804Aug 9, 2021Equipment. Insufficient charging or no wireless charging with iPhone 12.
• 10205809Aug 2, 2021Equipment. The customer may note that the Dashcam feature is inoperable with one of the following complaints:
• 10199449Jul 2, 2021Equipment. Launch NCU - 2021030010 MY20-21 Various Add Supplementary Booklet to Printed Operators Manual
• 10195221Apr 20, 2021Electrical system, Equipment, Engine cooling. with engine M17x the ME Control Unit: "The Coolant Temperature is Below the Specified Temperature"
• 10194141Mar 31, 2021Equipment. New map data cannot be downloaded by the customer from the Mercedes me PortalNew map data cannot be downloaded by the customer from the Mercedes me Portal
• 10191289Mar 29, 2021Equipment. Message (yellow) in IC "Active Brake Assist currently restricted, see operator's manual, Remedy: Deactivate transport mode and drive vehicle for approx 6mi. The DTC then switches to passive and the sensor can be calibrated
• 10191267Mar 29, 2021Lane departure. X247 code 233 - Blind Spot Assist inoperative (fault message in IC) - Fault code C110178 due Positioning of rear left radar sensor
• 10191260Mar 29, 2021Electrical system, Steering. Complaint: When removing the steering column switch module, a fracture may occur in the bridge of the locking hole on the steering column switch module cover, at the join with the bellows extension.
• 10191271Mar 24, 2021Electrical system. Engine switches off again when re-attempting Remote Start via Mercedes me App. This only occurs if the first Remote Start via the Mercedes me App was canceled and then started again. If the first attempt was stopped by unlocking the doors or if the engine ran for more than 10 minutes, then the second attempt is also successful
• 10191272Mar 19, 2021Steering. Steering wheel heater and/or Distronic cannot be activated. Remedy: Update software for steering wheel electronics control unit ("N 135 - Steering wheel electronics (LRE)"). Should the quick test carried out after the software update still show DTCs with the steering wheel heater and/or Distronic, replace the steering wheel control panels
• 10191281Mar 12, 2021Suspension. Humming noises or vibrations from the area of the rear axle when maneuvering or moving off at traffic lights/intersections.
• 10191276Mar 10, 2021Steering. Noise from the front axle when steering while stationary or when steering at low speeds
• 10191286Mar 9, 2021Steering. Slight grinding noise when steering is turned to full lock
• 10189407Feb 24, 2021Electrical system, Equipment. In XENTRY diagnosis, the message "MBUX multimedia system control unit is defective (hard drive, internal fault)" appears while attempting to communicate with the MBUX multimedia system (A26/17)
• 10189405Feb 19, 2021Air bags, Lane departure, Visibility (wipers, defrost, mirrors). Complaint BR X247 only Code 233 Several messages of driver assistant system related - "Active Brake Assist temporarily not available, see manual"(Yellow) - "Active Blind Spot Assist inoperative" (Yellow) - "Active Lane Change Assist inoperative"(Yellow) Cause in analysis Remedy Please measure the angle between the rear radar sensors and the car as seen in the attached photo. Create PTSS Case with findings.
• 10187785Jan 4, 2021Electrical system, Equipment, Other or unknown. The following complaints may be noted by the customer: - The MBUX multimedia system (A26/17) starts route guidance without user input and does not provide any audio notification. - The MBUX multimedia system (A26/17) does not give any spoken or visual driving instructions. Only the destination information and the current route are shown in the MBUX multimedia system (A26/17)
• 10205154Aug 5, 2016Other or unknown, Engine cooling. Gasket may settle causing a slight oil leak.

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