2020 Mercedes-Benz E 450 4MATIC problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
3 owner complaints analyzed
1 distinct recall campaigns
78,000 mi median reported failure mileage
Scope: 2020 model year. Data updated: . 1 complaints include usable failure mileage. View data status.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Back Over Prevention: Sensing System: Camera is the most frequently named component, appearing in 1 of 3 complaints (33.3%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Transmission and shifting | 1 | 33.3% |
| Braking behavior | 1 | 33.3% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Back Over Prevention: Sensing System: Camera | 1 |
| Engine | 1 |
| Fuel/Propulsion System | 1 |
| Power Train | 1 |
Back Over Prevention: Sensing System: Camera: 1; Engine: 1; Fuel/Propulsion System: 1; Power Train: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 0 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 1 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 0; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 1; 100,000 to 149,999: 0; 150,000 and above: 0
75,000 to 99,999 miles has the most reports with usable mileage (1). 2 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2026 | 3 |
2026: 3
Pattern summary
Back Over Prevention: Sensing System: Camera leads the component reports. Transmission and shifting appears in 1 complaint narratives. Braking behavior appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11752406 · 2026-07-23 (July 23, 2026)
The contact owns a 2020 Mercedes-Benz E450 4Matic. While the contact’s son was driving at an undisclosed speed, the vehicle unexpectedly slowed down and failed to properly accelerate. The contact's son attempted to shift into reverse; however, the transmission was making an abnormal grinding sound. The vehicle was towed to the dealer to be diagnosed. The vehicle was diagnosed with drivetrain and engine damage, catalytic converter failure, and a bolt had snapped or was loose. The contact stated that the dealer related the failure to NHTSA Campai…
Owner-reported narrative. 78,000 miles reported. Look up ODI 11752406 at NHTSA ↗
Owner report 11749901 · 2026-07-13 (July 13, 2026)
My 2020 E450 has not been serviced on schedule due to Mercedes-Benz of Indianapolis and its service manger banning and blacklisting me for months. This service department would not allow my vehicle to be serviced under a prepaid maintenance and wheel and tire plan, and most importantly my vehicle's warranty. When I went there for an appointment, a flat tire, or help with my vehicle, they kicked me out, verbally harassed and threatened me because I did not pay the deductible on a loaner vehicle because my signature was forged to submit a false c…
Owner-reported narrative. Look up ODI 11749901 at NHTSA ↗
Vehicle analysis explorer
Inspect model-year patterns, reported mileage, monthly activity and the evidence behind each signal.
Data completeness
3 unique complaints in this selection. Analysis snapshot: 2026-10-02.
Missing, zero and invalid mileage is excluded. Dates after the snapshot are excluded. Examples are limited selections, not a representative sample.
Problems by model year
Model-wide comparison of the eight most reported components across the model. Cells show counts and shares within each model year. Open a cell for source examples.
| Component | 2019 | 2020 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|
| Power Train | 375.0%ODI 11746416The contact owns a 2019 Mercedes-Benz E-450 4MATIC. The contact received notification of NHTSA Campaign Number: 26V216000 (Power Train). The local dealer was contacted and confirmed that parts were not yet available. The vehicle was not diagnosed or repaired. The manufacturer was contacted and referred the contact to the dealer for assistance. The contact had not experienced a failure. | 133.3%ODI 11752406 · 78,000 miThe contact owns a 2020 Mercedes-Benz E450 4Matic. While the contact’s son was driving at an undisclosed speed, the vehicle unexpectedly slowed down and failed to properly accelerate. The contact's son attempted to shift into reverse; however, the transmission was making an abnormal grinding sound. The vehicle was towed to the dealer to be diagnosed. The vehicle was diagnosed with drivetrain and engine damage, catalytic converter failure, and a bolt had snapped or was loose. The contact stated that the dealer related the failure to NHTSA Campai… | 00.0%No examples available for this selection. | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. |
| Forward Collision Avoidance: Automatic Emergency Braking | 125.0%ODI 11754329Vehicle was exhibiting erratic indications in all safety systems. Was checked out by dealer told all was OK. Two weeks later vehicle indicated warnings in various safety system, instrument cluster went dark, speedometer and tach were inop, blinkers did not work. Car taken to dealer again where it was determined that water incursion into passenger side foot well as the result of clogged sunroof drains had resulted in water damage to the signal acquisition module and other modules regulating the CAN Bus which were mounted in a location susceptib… | 00.0%No examples available for this selection. | 150.0%ODI 11742258My auto assist emergency braking function has triggered 3 times over the last few months with no other cars or hazzards near me. There was not warning. Each time it caused sudden unexpected severe jerking. More importantly, had there been a car behind me, it would have run into me and caused an collision. I reported this to the dealer who was unable to replicate the problem so it returned my car without a solution. I have notified MBUSA. | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. |
| Back Over Prevention: Sensing System: Camera | 00.0%No examples available for this selection. | 133.3%ODI 11743891Back up camera not functioning. Emblem cover will not retract. Must use key fob or electronic controls to open the trunk. | 00.0%No examples available for this selection. | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. |
| Electrical System | 125.0%ODI 11754329Vehicle was exhibiting erratic indications in all safety systems. Was checked out by dealer told all was OK. Two weeks later vehicle indicated warnings in various safety system, instrument cluster went dark, speedometer and tach were inop, blinkers did not work. Car taken to dealer again where it was determined that water incursion into passenger side foot well as the result of clogged sunroof drains had resulted in water damage to the signal acquisition module and other modules regulating the CAN Bus which were mounted in a location susceptib… | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. |
| Engine | 00.0%No examples available for this selection. | 133.3%ODI 11749901My 2020 E450 has not been serviced on schedule due to Mercedes-Benz of Indianapolis and its service manger banning and blacklisting me for months. This service department would not allow my vehicle to be serviced under a prepaid maintenance and wheel and tire plan, and most importantly my vehicle's warranty. When I went there for an appointment, a flat tire, or help with my vehicle, they kicked me out, verbally harassed and threatened me because I did not pay the deductible on a loaner vehicle because my signature was forged to submit a false c… | 00.0%No examples available for this selection. | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. |
| Forward Collision Avoidance: Adaptive Cruise Control | 125.0%ODI 11754329Vehicle was exhibiting erratic indications in all safety systems. Was checked out by dealer told all was OK. Two weeks later vehicle indicated warnings in various safety system, instrument cluster went dark, speedometer and tach were inop, blinkers did not work. Car taken to dealer again where it was determined that water incursion into passenger side foot well as the result of clogged sunroof drains had resulted in water damage to the signal acquisition module and other modules regulating the CAN Bus which were mounted in a location susceptib… | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. |
| Fuel/Propulsion System | 00.0%No examples available for this selection. | 133.3%ODI 11749901My 2020 E450 has not been serviced on schedule due to Mercedes-Benz of Indianapolis and its service manger banning and blacklisting me for months. This service department would not allow my vehicle to be serviced under a prepaid maintenance and wheel and tire plan, and most importantly my vehicle's warranty. When I went there for an appointment, a flat tire, or help with my vehicle, they kicked me out, verbally harassed and threatened me because I did not pay the deductible on a loaner vehicle because my signature was forged to submit a false c… | 00.0%No examples available for this selection. | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. |
| Unknown Or Other | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 150.0%ODI 11752040The infotainment and vehicle information system randomly goes black, resets itself while driving. There are no error messages or warnings. The system reboots and the screens come back after about 10-20 seconds. There was a recall issued for this back in May of 2026 and I had Mercedes Benz of Asheville, NC perform the required system update on June 17, 2026. Obviously the update did not correct the problem. | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. |
Darker cells indicate a larger share of submitted complaints. Components overlap. This measures complaint composition, not failure probability.
Failure mileage by component
Median and middle 50% of usable owner-reported mileages. Ranges require at least five records.
| Component | Mileage range (25th–75th percentile) | Median | Usable records | Examples |
|---|---|---|---|---|
| Power Train | Too few reports for a range | 78,000 mi | 1 (sparse) | ODI 11752406 · 78,000 miThe contact owns a 2020 Mercedes-Benz E450 4Matic. While the contact’s son was driving at an undisclosed speed, the vehicle unexpectedly slowed down and failed to properly accelerate. The contact's son attempted to shift into reverse; however, the transmission was making an abnormal grinding sound. The vehicle was towed to the dealer to be diagnosed. The vehicle was diagnosed with drivetrain and engine damage, catalytic converter failure, and a bolt had snapped or was loose. The contact stated that the dealer related the failure to NHTSA Campai… |
Complaint and recall timeline
Explore monthly filing activity alongside recall announcements. Up to ten years of monthly history is available.
Solid line: filed complaints. Dashed amber lines: recall announcement dates for this vehicle selection; markers include all recall components. The latest month is partial. Temporal proximity does not establish causation.
Monthly counts, recall campaigns and complaint examples
| Month | Complaints | Campaigns announced | Examples |
|---|---|---|---|
| 2024-11 | 0 | None | No examples available for this selection. |
| 2024-12 | 0 | None | No examples available for this selection. |
| 2025-01 | 0 | None | No examples available for this selection. |
| 2025-02 | 0 | None | No examples available for this selection. |
| 2025-03 | 0 | None | No examples available for this selection. |
| 2025-04 | 0 | None | No examples available for this selection. |
| 2025-05 | 0 | None | No examples available for this selection. |
| 2025-06 | 0 | None | No examples available for this selection. |
| 2025-07 | 0 | None | No examples available for this selection. |
| 2025-08 | 0 | None | No examples available for this selection. |
| 2025-09 | 0 | None | No examples available for this selection. |
| 2025-10 | 0 | None | No examples available for this selection. |
| 2025-11 | 0 | None | No examples available for this selection. |
| 2025-12 | 0 | None | No examples available for this selection. |
| 2026-01 | 0 | None | No examples available for this selection. |
| 2026-02 | 0 | None | No examples available for this selection. |
| 2026-03 | 0 | None | No examples available for this selection. |
| 2026-04 | 0 | 26V216000 | No examples available for this selection. |
| 2026-05 | 0 | None | No examples available for this selection. |
| 2026-06 | 1 | None | ODI 11743891Back up camera not functioning. Emblem cover will not retract. Must use key fob or electronic controls to open the trunk. |
| 2026-07 | 2 | None | ODI 11749901My 2020 E450 has not been serviced on schedule due to Mercedes-Benz of Indianapolis and its service manger banning and blacklisting me for months. This service department would not allow my vehicle to be serviced under a prepaid maintenance and wheel and tire plan, and most importantly my vehicle's warranty. When I went there for an appointment, a flat tire, or help with my vehicle, they kicked me out, verbally harassed and threatened me because I did not pay the deductible on a loaner vehicle because my signature was forged to submit a false c… ODI 11752406 · 78,000 miThe contact owns a 2020 Mercedes-Benz E450 4Matic. While the contact’s son was driving at an undisclosed speed, the vehicle unexpectedly slowed down and failed to properly accelerate. The contact's son attempted to shift into reverse; however, the transmission was making an abnormal grinding sound. The vehicle was towed to the dealer to be diagnosed. The vehicle was diagnosed with drivetrain and engine damage, catalytic converter failure, and a bolt had snapped or was loose. The contact stated that the dealer related the failure to NHTSA Campai… |
| 2026-08 | 0 | None | No examples available for this selection. |
| 2026-09 | 0 | None | No examples available for this selection. |
| 2026-10 (partial) | 0 | None | No examples available for this selection. |
Emerging complaint spikes
Complete months in the latest six months with at least 10 complaints, at least twice the preceding 12-month average, and at least three square-root deviations above that average.
This is a descriptive screening rule, not a statistical defect finding. Publicity and reporting changes can increase submissions.
No complete months meet the spike thresholds for this selection.
Equal-age model-year comparison
Model-wide cumulative reports during the first three or five calendar years, starting with the model year (age 0). Only fully elapsed windows are compared.
2019: 0 complaints · 2020: 0 complaints
| Model year | Through age 0 | Through age 1 | Through age 2 |
|---|---|---|---|
| 2019 | 0 | 0 | 0 |
| 2020 | 0 | 0 | 0 |
Date coverage across each selected cohort
| Year | Incident dates used | Filing date fallbacks | Excluded dates |
|---|---|---|---|
| 2019 | 4 | 0 | 0 |
| 2020 | 3 | 0 | 0 |
Incident date is preferred when valid and no later than filing; otherwise filing date is used. Model year approximates age. Equal observation time does not adjust for sales, distance driven or reporting delays. One complaint linked to multiple model years can appear in each cohort.
Components reported together
Each cell counts unique complaints naming both components. Open a nonzero cell for examples.
| Component | Back Over Prevention: Sensing System: Camera | Engine | Fuel/Propulsion System | Power Train |
|---|---|---|---|---|
| Back Over Prevention: Sensing System: Camera | — | 0 | 0 | 0 |
| Engine | 0 | — | 1ODI 11749901My 2020 E450 has not been serviced on schedule due to Mercedes-Benz of Indianapolis and its service manger banning and blacklisting me for months. This service department would not allow my vehicle to be serviced under a prepaid maintenance and wheel and tire plan, and most importantly my vehicle's warranty. When I went there for an appointment, a flat tire, or help with my vehicle, they kicked me out, verbally harassed and threatened me because I did not pay the deductible on a loaner vehicle because my signature was forged to submit a false c… | 0 |
| Fuel/Propulsion System | 0 | 1ODI 11749901My 2020 E450 has not been serviced on schedule due to Mercedes-Benz of Indianapolis and its service manger banning and blacklisting me for months. This service department would not allow my vehicle to be serviced under a prepaid maintenance and wheel and tire plan, and most importantly my vehicle's warranty. When I went there for an appointment, a flat tire, or help with my vehicle, they kicked me out, verbally harassed and threatened me because I did not pay the deductible on a loaner vehicle because my signature was forged to submit a false c… | — | 0 |
| Power Train | 0 | 0 | 0 | — |
Co-reporting does not establish that one component caused another concern.
Recurring narrative patterns
Specific keyword mentions beyond broad component labels. Matching includes negations and comparisons and does not confirm a diagnosis.
0 patterns with matching reports.
No narratives match the published patterns.