AI Damage2025 Mercedes-Benz GLC 300E: common problems
The maker issued 56 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 56
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 0 | 0 | 32 |
| Exterior lighting | 0 | 0 | 6 |
| Structure | 0 | 0 | 6 |
| Powertrain | 0 | 0 | 5 |
| Backover prevention | 0 | 0 | 4 |
| Forward collision avoidance | 0 | 0 | 3 |
| Lane departure | 0 | 0 | 3 |
| Steering | 0 | 0 | 3 |
| Visibility | 0 | 0 | 3 |
| Seats | 0 | 0 | 2 |
| Service brakes | 0 | 0 | 2 |
| Suspension | 0 | 0 | 2 |
| Engine | 0 | 0 | 1 |
| Fuel/propulsion system | 0 | 0 | 1 |
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Exterior lighting. Headlamps, leveling, sensors and mounts after a frontal hit.
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Complaint Clanking noise from the area of the speakers in the doors
Cause Under analysis. Remedy To narrow down the cause, first of all remove the door trim. • If the noise continues to occur even with the door trim removed, then continue the diagnosis working towards the speaker and…
- 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 vibration…
- Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end)
The noise is heard once in each instance when changing direction of travel. Note: Sound file in attachment Cause If the complaint is eliminated by experimentally loosening the outboard collar nut (by 1 turn), the…
- Complaint General information on the operation of the PRE-SAFE® Impulse system
The PRE-SAFE® Side Impulse system is a preventive, i.e. pre-collision occupant protection system. The task of the system is to provide additional protection to vehicle occupants when there is a risk of a side impact…
- Complaint Rattling/knocking noise from the rear axle steering is audible when driving on rough terrain or…
Complaint Rattling/knocking noise from the rear axle steering is audible when driving on rough terrain or cobblestones. Large play in the rear axle steering. Cause Diverse functional play in the rear axle steering…
- Complaint Play/noise at height adjuster or in seat guide rail on front seats Cause Tolerances and…
Complaint Play/noise at height adjuster or in seat guide rail on front seats Cause Tolerances and variations in the manufacturing process Remedy 1. Inspect Seat Height Adjuster Barcode Label (See Pic.1) • Locate the…
- Complaint There are several types of complaint about noises or poor windshield wiper wiping performance
A: Wiper blades squeaking, chattering, shuddering B: The windshield is not wiped completely (streaking) C: During the downward movement water is pulled back onto the windshield from the A-pillar (Figure 1) D: After…
- Complaint One or more seat functions are restricted or inoperative. This may include
• Seat memory • Automatic seat adjustment • Easy Entry/Exit • Head restraint presetting • Collision avoidance with bench seat at rear • Actuation by other vehicle systems Seat normalization is missing, and fault code…
- Complaint Headlamp, front fog lamp leaky or fogged
Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp. If a pressure compensation diaphragm is fitted in…
- Complaint No heating output is available during electric driving operation
In conventional (combustion engine) driving operation, full heating output is available. Cause Possible defect in the N33/5 water heater (high-voltage PTC booster heater) Remedy If the N33/5 water heater (PTC booster…
- Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon,…
Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the…
- Complaint After the charging process is complete, an instrument cluster message with a charging error…
Complaint After the charging process is complete, an instrument cluster message with a charging error appears and FC P0CFE00 is stored in control unit "N83 - AC charger for high-voltage battery (SG-LG)". The fault…
NHTSA lists 56 bulletins for this year; the 12 newest are shown here.
Questions and answers
What are the most common problems with the 2025 Mercedes-Benz GLC 300E?
There are no owner complaints in the NHTSA data for this year; the data comes from 56 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2025 Mercedes-Benz GLC 300E?
NHTSA lists 56 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2025 Mercedes-Benz GLC 300E from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2025 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-06.