2019 Mercedes-Benz G 550 Technical Service Bulletins

146 technical service bulletins (TSBs) are on record for the 2019 Mercedes-Benz G 550. 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.

• 10233781Mar 15, 2023Fuel system. Complaint Customer reports illuminated CEL. Additionally no start condition, lack of power, failure to recover from ECO stop, and/or poor acceleration. Cause • Under investigation Remedy Process FSCU and ME codes via guided test. Perform fuel pressure test on high and low pressure sides of system. Check and perform electrical testing from N118 X1 pin 1 to K40/5 S2 pin 1
• 10231032Jan 5, 2023Electrical system, Latches, locks and linkages. Complaint Tailgate opens unintentionally. Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. E.g. when stored in trouser pocket, handbag etc. Remedy As of the 6th generation, the vehicle key can be recoded so that the tailgate no longer opens as a result of a long press on the button, but by double-clicking on the button instead.
• 10222461Sep 12, 2022Steering. Complaint Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position (e.g. with Easy Entry function). Cause Height adjustment moves to the top/bottom limit stop and jams. Remedy There are 2 repair procedures to follow depending on vehicle (differentiated according to model and vehicle manufacturing date) 1. Replace repair kit for steering column height adjustment 2…
• 10217157Jul 14, 2022Electrical system, Equipment, Steering. Complaint Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position (e.g. with Easy Entry function). Cause Height adjustment moves to the top/bottom limit stop and jams. 1. Steering column height adjustment transmission 2. Seat control unit software Remedy There are 2 repair procedures to follow depending on vehicle (differentiated according to model and vehicle…
• 10217162Jul 7, 2022Electrical system, Equipment. Complaint Customer may have one or more of the following complaints: • Vehicle location is shown incorrectly in the Navigation Display • Navigation destination search is not possible • Street names are not shown in Navigation display • Apple Carplay is inoperable Cause Improper installation of navigation map data Remedy Follow these steps to delete and re-install map data: • Re-format an empty USB drive…
• 10217149Jul 1, 2022Equipment, Engine cooling, Electrical system. Complaint Engine does not restart after ECO stop. All indicator lights come on in instrument cluster. Engine can be restarted normally with ignition switch. Fault codes P1CE200, P1D0500, or P1CDF00 may be stored in powertrain control unit N127. Cause ME control unit software Remedy Inspect the following: 1-12V battery using XENTRY battery tester 2-Connections at 12V battery 3-Circuit 30 and 50 connections at…
• 10214979Jun 16, 2022Latches, locks and linkages. Complaint Difficult to open the rear-end (tailgate) door with the door handle. Cause The link rod between the door lock and the central locking actuator motor may jump out when locking the vehicle. Remedy 1. Remove door trim of rear-end door AR72.20-P-6615XG 2. Only partially loosen dampening from the rear-end door (replace if damage is present) 3. Replace link rod that has sprung out (see picture 2 and parts note)…
• 11031784Jun 10, 2022Engine. In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA (“MBUSA”) is extending the coverage for the ignition coil on your vehicle from the original New Vehicle Limited Warranty of 4 years / 50,000 miles to 15 years / 150,000 miles (whichever occurs first),and applies to the vehicle regardless of ownership. Why the…
• 11031633May 27, 2022Engine. In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles is extending the warranty coverage on the ignition coil in certain Model Year ("MY") vehicles listed below from the original New Vehicle Limited Warranty of 4 years/50,000 miles to 15 years/ 150,000 miles…
• 10213044May 3, 2022Electrical system. Complaint Customer reports a warning message in red in the instrument cluster: "Water fording not possible! Service required". The message is no longer active following an ignition cycle. Cause As a result of an absent or aborted reference run of the air flaps of the N127 'drivetrain' control unit (PTCU), the fault codes P153001 and P153101 are stored in the fault memory and the "Water fording not possible" warning…
• 10209887Mar 23, 2022Visibility (wipers, defrost, mirrors). Complaint Creaking noise from the upper area of the instrument panel when driving off-road (see Video 1). This noise can also occur after conducting repair work on the refrigerant circuit. Cause A refrigerant line may be twisted when mounted in the engine compartment (see Picture 1, orange line) which can lead to the generation of a creaking noise on the air conditioner box. The noise may be heard in the interior…
• 10209882Mar 14, 2022Body and structure. Complaint A metallic buzzing/background noise in the door whenever the sound system is active may be heard. Cause The cause could be the window lifter cable. It is possible that this cable vibrates at low frequencies and strikes the window lifter frame intermittently. Remedy Replace window lifter frame at door subject to complaint of a metallic background noise.
• 10209879Mar 10, 2022Electrical system. Complaint Windshield heater not activating when expected. Note: Windshield heater is only active with the engine running when the defrost button has been activated and outside temperatures are below 41°F (5°C). Cause Stone chippings on the windshield may result in an increased internal resistance of the electric windshield heater. When detecting increased internal resistance, the N22/1 "Air conditioning system"…
• 10209878Mar 9, 2022Electrical system, Body and structure. Complaint It may not be possible to unlock the vehicle with the key. There may also be a complaint regarding water entry at the roof. Fault codes that concern the antenna module may be stored in the fault memory of the KEYLESS-GO control unit. Cause A crack may have developed in the roof panel at the rear left roof luggage carrier pan (see picture 1) which may lead to water entry and a possible unexpected behavior…
• 10208738Feb 10, 2022Electrical system. Customer states Check Engine Light is on. Related to alternator and charge status of battery. Update PTCU Software if available
• 10206077Dec 8, 2021Engine cooling. "MY15+ M278 and M157 Equipped Vehicles with Fault Code ""P023400 – Boost Pressure is Too High"" "
• 10206062Dec 1, 2021Electrical system. "Creaking or scratching noise heard through speakers during gear shifts "
• 10205418Oct 15, 2021Equipment. New service campaign launch information.
• 10205803Aug 27, 2021Equipment. The mobile phone address book may not be transferred completely to the multimedia system COMAND, Audio 20, or MBUX. The contact list may not be fully populated and in some instances, the call list will display telephone numbers but no names.
• 10205799Aug 17, 2021Visibility (wipers, defrost, mirrors). Water entry at sliding sunroof.
• 10205788Aug 3, 2021Suspension. When driving over speed limiters, speed bumps or rough roads;knocking noises may be heard from the rear area of the vehicle.
• 10199654Jul 6, 2021Equipment. "Free browsing, Internet access via Wi-Fi hotspot and Internet radio nonfunctional"
• 10195217Apr 9, 2021Engine, Electrical system. an engine misfire may be detected due to engine software coding error
• 10191280Mar 2, 2021Engine cooling. When accelerating at low speeds (slow roll at < 9 mph, 2nd gear), the engine limp-home mode may be triggered which in turn limits the amount of power available. When a fault occurs, the fault message ESP off or a fault message from the driver assistance systems is displayed. The quick test shows that fault code P061B62 is stored Note: It is possible to continue driving slowly. The fault is reset after an…
• 10187789Jan 8, 2021Electrical system, Engine cooling, Transmission and drivetrain. When accelerating at low speeds (slow roll at less than 9 mph, 2nd gear), the engine limp-home mode may be triggered which in turn limits the amount of power available. When a fault occurs, the fault message ESP off or a fault message from the driver assistance systems is displayed. The quick test shows that fault code P061B62 is stored Note: It is possible to continue driving slowly. The fault is reset after an…
• 10186146Dec 19, 2020Visibility (wipers, defrost, mirrors). G-MOPF2018: Front wiper motor makes noise
• 10186152Dec 4, 2020Fuel system. Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (?MY?) 2019-2020 G-Class vehicles (463 platform), the fuel tank filler hose may not be fitted properly, causing small amounts of fuel to leak when refueling. In this case, the vehicle may not meet emission requirements. Contact between potentially leaking fuel and hot component parts (e.g. exhaust…
• 10181201Sep 11, 2020Fuel system. Replace exhaust gas cleaning information label
• 10179966Jul 31, 2020Other or unknown, Equipment. Incorrect time and/or instrument cluster message "SOS, service not activated" and/or Mercedes Me connect services nonfunctional
• 10172683Feb 7, 2020Tires, Equipment. Information Label on Tire Sealant
• 10171643Jan 15, 2020Body and structure, Visibility (wipers, defrost, mirrors). Vehicle interior whistling noises (even at stand-still) and high cabin interior pressure
• 10170535Dec 5, 2019Transmission and drivetrain. Update Powertrain Control Unit (PTCU) Software
• 10162631Jun 27, 2019Visibility (wipers, defrost, mirrors). Outside mirror folding out/in nonfunctional
• 10162611Jun 18, 2019Electrical system. Head-up display (HUD) code 463 ? lines on the display, display flickers
• 10162608Jun 12, 2019Electrical system. G - MY 19 : Warning message "Differential locking system malfunction" in instrument cluster
• 10160722Apr 18, 2019Visibility (wipers, defrost, mirrors). Windshield wiper motor makes noise
• 10160627Apr 9, 2019Suspension. G Facelift 2018: Knocking noises from rear area on rough roads
• 10155148Feb 21, 2019Body and structure. Whistling noise in interior (even at standstill) / high internal cabin pressure
• 10158374Oct 30, 2017Equipment. Carbon fiber repair on fender flares
• 10205239Aug 16, 2016Equipment. "Anti-theft protection activated".
• 10205154Aug 5, 2016Other or unknown, Engine cooling. Gasket may settle causing a slight oil leak.
• 10166978Feb 6, 2014Engine cooling. Engine diagnosis warning lamp lights up - Fault code entry (FC) 14A600 or 14A700
• 10205237Aug 5, 2013Electrical system. The COMAND unit does not start or the display remains dark.
• 10205236Aug 5, 2013Electrical system. "Metadata loss- Please reimport all media data".
• 10167564Jul 12, 2013Electrical system. Customer experiences low battery conditions, resulting in jump starts, and eventually requiring battery replacement.
• 10167563Jul 8, 2013Electrical system. The COMAND unit does not start or the COMAND display remains dark. The COMAND unit cannot be operated. Note: The problem disappears after a lengthy idle period (>6h) or after interrupting the power supply (circuit 30).

← All problems reported for the 2019 Mercedes-Benz G 550