L
Lherson
Active since May 2024
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4 reviews3 months ago
Software update comes with multiple malfunction
FORMAL COMPLAINT – MERCEDES-BENZ GLC 250d AMG LINE (2017) – SOFTWARE UPDATE CAUSED MULTIPLE FAILURES I booked my Mercedes-Benz GLC 250d AMG LINE (2017) into your dealership on 17/12/2025 for a service. At the time of booking and when the vehicle was handed in, there were absolutely no faults, no warning lights, and no operational issues. During the service process, I was contacted by a service provider and advised that a software update would be performed, informing me that it would improve fuel consumption and other vehicle functions its like a cellphone update. I questioned the necessity of this update, as the vehicle had no issues, but I was reassured and gave consent. The following day, I was informed that diagnostic tests were run and that everything was in order witu the performance and everything about the car . I was then provided with a quotation for the service, which I approved. Immediately after collection Drove the car back home. On the 27 Of December 2025 took the car for a short drive about plus minus 70km on my way back home saw a engine yellow light immediately called Mercedes benz the Glen via the Mercedes benz phone i was connected to The Glen he asked the color of the light i informed him that it was yellow he said I should drive and bring the car after holidays I can drive the car its no big deal. After holidays on my way to take the car as i start the car engine light goes, I contacted The Glen mercedes benz and informed them that the engine just went off i was told to bring the car when i see the light again. Two weeks down the line around January 2026 my fuel gauge stopped working, along with my headlamps failing to emit any light. None of this issues existed before the software update. I immediately drove on the 12 of January 2026 to The Glen on the freeway my fuel gauge comes on with my range decresing very fast all the way to zero from 746km. Upon arrival i explain my challenges that am experiencing with my car since the software update, explaining that i have never encountered such with the previous 2 service that I did at the Glen Mercedes, which no software update where not done. I was informed that the software was also done on the engine maybe that could be the cause I should leave my car and it will be checked and fixed. The next day I receive a call from from the service provider from the Glen informimg me that they think its the gauge is faulty i should pay 6850 for them to run test and see if its Gauge. I asked the Lady by the name Gugu why do they strongly suspect the gauge not the software update cause before the software update i drove about plus minus more 40 000km without having or encortering any of the above problems. I then requested to take my car to A different Mercedes benz she said i must pay R1450 for the diagnostic fees i ask the reason she could not explain I told her how uphappy i was with how they do things cause i was told to bring the car to them for the to check the car cause the car just comes from service not even more the 300km after the service am moving from one problem to another they are daily malfunction on my car everyday. She said she will speak to the manager and get back to me. Minutes after am receiving a call from a Lady asking me about two windscreen chips on the drivers side requestion to give her my insurance information for her to process the claim. I immediately informed her the are no windscreen chips she sent unclear photos to my WhatsApp. I informed to stay away from my car. Later on i received a call from them informing me the i should come collect my car there is nothing they can do I feel very ****** by A Big Company Mercedes Benz the Glen. I regret taking my car there cause now am seating a car that keeps on malfunctioning daily. I lost my love in the big badge. Mostly at dealership at The Glen 15/01/2026 Thursday recieved a from Mercedes benz asking and interviewing me about my experience with Mercedes benz I informed her about my Unsatisfaction and unhappiness with my encounter she alleged that Manger from The Glen would call me have not received any call from him. Am seating here with a car that malfunctions due to software update from Mercedes benz it self saddest thing is that they fail to take accountability. If i took my car to a unqualified mechanic i was going to blame my self, i feel ****** my a very big company Mercedes benz Then Glen.
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3 months ago
Malfunction after software update
I am compelled to express my utmost dismay and perturbation regarding the calamitous sequence of events that has transpired subsequent to the software update performed on my Mercedes-Benz GLC 250d AMG LINE (2017) at your esteemed dealership on 17 December 2025. Prior to this update, my vehicle was in impeccable condition, with no discernible faults or operational anomalies. The software update, which I consented to upon reassurance of its benign nature and potential benefits, has precipitated a cascade of debilitating failures. The erstwhile reliable engine has begun to exhibit aberrant behavior, including the illumination of a yellow warning light, which was cursorily dismissed by your representative. Consequent to this, a plethora of issues have arisen, including the fuel gauge's inexplicable failure, sunroof malfunctions, and headlight system faults, none of which were extant prior to the update. I find it incongruous that your dealership would insinuate the fuel gauge's potential faultiness, notwithstanding its flawless operation preceding the software update. The demand for R6,800 to merely assess the vehicle, followed by an unsubstantiated claim regarding the fuel gauge, is nothing short of egregious. I hereby demand: 1. A comprehensive technical investigation into the software update and its deleterious effects on my vehicle. 2. Unambiguous accountability for the damages incurred. 3. Rectification of the faults at no cost, including restoration of the vehicle to its pre-update condition. I await your expeditious response and resolution.
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