What are the most common Mercedes-Benz GLE problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2024 Mercedes-Benz GLE has 11 documented issues. The most frequently reported are: 48V Mild-Hybrid ISG / 48V Battery Malfunction Causing Sudden Power Loss, Diesel AdBlue / SCR NOx Sensor Fault Triggering Restart Countdown and No-Start, Front Radar Sensor Fault (P2583) Disabling Distronic and Active Brake Assist. Of these, 2 are rated critical and should be addressed promptly.
Is the Mercedes-Benz GLE reliable?
The 2024 Mercedes-Benz GLE has 11 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 2 issues are rated critical: 48V Mild-Hybrid ISG / 48V Battery Malfunction Causing Sudden Power Loss and Diesel AdBlue / SCR NOx Sensor Fault Triggering Restart Countdown and No-Start. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Mercedes-Benz GLE problems?
Repair costs for known Mercedes-Benz GLE issues range from $0 to $4,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, 48V Mild-Hybrid ISG / 48V Battery Malfunction Causing Sudden Power Loss, typically costs $800-$4,500 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2020-2025 Mercedes-Benz GLE 48V Mild-Hybrid ISG / 48V Battery Malfunction Causing Sudden Power Loss?
GLE models equipped with the EQ Boost 48-volt mild-hybrid system (GLE 350, GLE 450, GLE 450d, GLE 580 and AMG variants on the W167 platform) commonly trigger a '48V Battery Malfunction' or 'Hybrid System Error' warning. The integrated starter-generator (ISG) and 48V lithium-ion b… Repairs typically run $800-$4,500. Severity: high.
What is the 2016-2024 Mercedes-Benz GLE Diesel AdBlue / SCR NOx Sensor Fault Triggering Restart Countdown and No-Start?
On diesel GLEs, the SCR/AdBlue emissions system enforces compliance with a start countdown: when it detects a fault it warns 'You can restart the engine X more times,' and once the counter expires the car will not start until the fault is fixed and the counter is reset. The most… Repairs typically run $400-$1,200. Severity: high.
What is the 2020-2024 Mercedes-Benz GLE Front Radar Sensor Fault (P2583) Disabling Distronic and Active Brake Assist?
On the W167 GLE (2020-2024), the front radar sensor behind the grille that feeds Distronic adaptive cruise control, Active Brake Assist and PRE-SAFE frequently faults, throwing 'Pre-Safe Functions Currently Limited' and disabling those safety systems. Code P2583 indicates the fro… Repairs typically run $0-$1,200. Severity: medium.
What is the 2020-2024 Mercedes-Benz GLE 9G-Tronic (725.0) Harsh Shifting and Delayed Engagement from Valve Body Wear?
GLE 350 and GLE 450 models (2020+, 9G-Tronic 9-speed automatic) develop harsh low-gear shifts, clunking, and delayed engagement when selecting Drive or Reverse as the transmission ages. The most common root cause is degradation of the valve-body solenoids and conductor plate, agg… Repairs typically run $400-$3,500. Severity: medium.
What is the 2020-2025 Mercedes-Benz GLE M256 Inline-6 Oil Filter Housing / Oil Cooler and Electric Coolant Pump Leaks?
The 3.0L M256 inline-six (GLE 450, AMG GLE 53 on the W167) is prone to oil leaks from the oil filter housing/adapter assembly, which integrates the engine oil cooler with coolant passages, making leaks both oil and coolant related. The M256 also relies on an electric coolant pump… Repairs typically run $600-$2,200. Severity: medium.
What is the 2016-2024 Mercedes-Benz GLE Auxiliary (Backup) 12V Battery Failure Triggering "Auxiliary Battery Malfunction – Visit Workshop"?
The GLE uses a small secondary AGM 'auxiliary' battery (separate from the main starter battery and the 48V mild-hybrid battery) that stabilizes voltage for the electrical/stop-start system. It is a known wear item that typically dies at 4-6 years, throwing a persistent 'Auxiliary… Repairs typically run $150-$450. Severity: medium.
What is the 2016-2025 Mercedes-Benz GLE Front Lower Control Arm Bushing Wear Causing Clunk and Steering Wander?
Both W166 (2016-2019) and W167 (2020+) GLEs wear out the front lower control arm bushings. The lower arm carries multiple rubber bushings (including a rear 'lollipop' mount to the body) that tear with age, producing a clunk/knock over bumps, a wandering or vague feeling in the st… Repairs typically run $400-$1,000. Severity: medium.
What is the 2016-2025 Mercedes-Benz GLE Panoramic Sunroof Drain Clog and Seal Failure Causing Water Leaks into Cabin / Headliner?
The large panoramic roof has four corner drain tubes that route rainwater down the pillars. Over time the tubes clog with dirt/pollen/debris and the perimeter rubber seals degrade, so water backs up and drips onto the headliner, A-pillars, and front footwells, or pools and causes… Repairs typically run $150-$700. Severity: medium.
What is the 2016-2025 Mercedes-Benz GLE MULTIBEAM / LED Headlight Condensation and Seal Failure Killing Internal Electronics?
The GLE's full-LED / MULTIBEAM headlights are ventilated for heat, but when the factory seal or housing gasket fails, humid air enters and heavy condensation forms — large droplets and standing water at the bottom of the housing (not the light misting Mercedes considers normal). Repairs typically run $300-$2,500. Severity: medium.
What is the 2016-2025 Mercedes-Benz GLE Hydraulic Engine / Transmission Mount Collapse Causing Idle Vibration and Clunk?
The GLE uses fluid-filled (hydraulic) engine and transmission mounts to isolate NVH. These are a known consumable that ruptures and leaks its damping fluid, often well before 60-70k miles. A collapsed mount transmits noticeable vibration through the steering wheel, seats, and flo… Repairs typically run $400-$1,200. Severity: medium.
What is the 2016-2024 Mercedes-Benz GLE Plug-in Hybrid (350de / 450e / 550e) Charging Interruption and Won't-Charge Faults?
GLE plug-in hybrids (W166 550e; W167 350de diesel-PHEV and 450e) frequently show AC-charging faults: charging starts then stops and restarts, a red plug icon, or the car refuses to accept a charge at home/wallbox. Documented triggers include the vehicle halting when the voltage d… Repairs typically run $200-$1,500. Severity: medium.
