Mercedes Benz E320 Service Brakes Problems
Owners have filed 162 complaints with NHTSA about service brakes problems on the Mercedes Benz E320 across 8 model years. The 2003 model year has the most (57). The words owners use most often: “sbc unit” (19% of reports).
- 162service brakes complaints
- —median miles at failure
- 9mention a crash
- 2mention an injury
- 0related recalls
- $3,100typical repair cost reported by owners
- 37%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Sbc unit: mentioned in 30 of 162 complaints (19%)
- Sensotronic brake: mentioned in 29 of 162 complaints (18%)
- Hydraulic mode: mentioned in 15 of 162 complaints (9%)
- Threshold reached: mentioned in 14 of 162 complaints (9%)
How much does it cost to fix?
Owners who wrote down what they paid or were quoted put the typical service brakes repair on the Mercedes Benz E320 at $3,100, and half of them between $2,800 and $3,450.
Based on 13 NHTSA complaints about this problem alone that state a repair bill or quote (2013–2017), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.
At what mileage do service brakes problems happen?
Based on 128 complaints that reported the odometer reading.
How serious are the reports?
Of 162 complaints, 9 mention a crash, 1 a fire, 2 an injury.
Mercedes Benz E320 service brakes complaints by model year
When owners reported it
Related recalls (0)
No safety recall lists service brakes for the Mercedes Benz E320. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
There has not been an incident report, however, my brakes failed while driving and I pulled over. This is the fault the SBC System which has an Extended 25 year warranty. I brought it into Mercedes prior to complete failure, but they only replace the Pressure Reservoir. It must be returned to…
SBC braking system stated as covered under 25 year/unlimited miles warranty. SBC system failed on 2/1/25. Vehicle towed to local dealer service facility on 2/3/25. Tow was authorized at no charge by MB Roadside Assistance at no charge plus $100.00 credit toward diagnostic. Was told by phone on…
i got abs warning on the dash board, anti lock brake warning, sbc warnings, brake shop warnings...messages, brake pedal travels to the floor,. not stopping the car at the least.
The contact owns a 2003 Mercedes-Benz E-320. The contact stated while driving 30 MPH, the braking system became inoperable. The contact stated that the ABS warning light was illuminated after the failure. The contact stated that the failure was related to TSB: [redacted]. The contact called the…
MB USA is not honoring Recall [redacted] for 25 years per NHTSA Bulletin. The Mercedes Benz Representative said that the recall is closed for a 2003 car, but which should not be closed until 2028 for my car. The Mercedes Benz Representative agreed that she does see the car matches the 2003-2006 E…

Frequently asked questions
Do all Mercedes Benz E320s have service brakes problems?
No. NHTSA has 162 owner complaints about service brakes for the Mercedes Benz E320. Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the Mercedes Benz E320 service brakes?
No recall currently lists service brakes for this vehicle.
How much does it cost to fix service brakes problems on the Mercedes Benz E320?
Owners report a typical cost of $3,100 (half paid between $2,800 and $3,450), from 13 complaints that state a repair bill or quote, in 2026 dollars.
What do owners say about service brakes problems on the Mercedes Benz E320?
The most frequent phrase is “sbc unit”, in 30 of 162 complaints, followed by “sensotronic brake” (29).
Other Mercedes Benz E320 problems
See all Mercedes Benz E320 problems.