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Mercedes-Benz Sprinter 3500Model year report

2021 Mercedes-Benz Sprinter 3500 Problems

Complaints
8filed with NHTSA
Median mileage
8,000miles, 1 complaints with mileage
Recalls
16campaigns on record
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

Sources: NHTSA records for the 2021 Mercedes-Benz Sprinter 3500 (complaints, recalls, investigations). Report an error

NHTSA recorded 8 consumer complaints for the 2021 Mercedes-Benz Sprinter 3500. The part named most often is brakes, with 3 complaints (38% of the total), followed by suspension (3) and other or unknown (2). 1 of the complaints include a mileage, and 100% of those were filed for vehicles with under 50,000 miles; the median is 8,000 miles. Of all complaints, 1 involved a crash, according to the filers. NHTSA lists 16 recall campaigns and 127 technical service bulletins for this model year. Brakes complaints overlap with 1 recall campaign covering the hoses, lines/piping, and fittings and 2 technical service bulletins filed under the same part. Suspension complaints overlap with 1 recall campaign covering the torsion bar and 2 technical service bulletins filed under the same part.

This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.

Which parts are reported most

Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.

Example complaints

Brakes: “Mercedes Dealership is refusing to get the vehicle in to make this safety recall repair in a timely manner. I have been told that i will need to wait for over a month just to drop the vehicle off with no time frame given in terms of how long the vehicle will be gone while being repaired.”

NHTSA complaint #11660365, filed 2025-05

Suspension: “The contact owns a 2021 Mercedes- Benz Sprinter 3500. The contact received notification of NHTSA Campaign Number: 22V131000 (Suspension) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.”

NHTSA complaint #11475770, filed 2022-07

Other or unknown: “My van has periodic lack of acceleration or dead pedal. There are no warnings that this will occur. This shows itself when trying to advance from a stopped position. When I push the accelerator the van either does not move at all or barely crawls forward. This can last 15-45 seconds. There are no RPMs from the engine. Once the pedal starts to respond, the issue will resolve. The problem is you need to get to that point where the engine can make rated power. …”

NHTSA complaint #11625256, filed 2024-11

Air bags: “The contact owns a 2021 Mercedes-Benz Sprinter 3500. The contact stated that while driving at an undisclosed speed, the message “Driver’s Side Air Bag Deactivated” was displayed. The vehicle was taken to a dealer, where it was diagnosed, and determined that the wiring harness needed to be rewired. The vehicle was repaired; however, the failure persisted, and the message was displayed. The vehicle was taken back to the dealer, where it was diagnosed with a voltage issue; however, the dealer stated that the vehicle was operating normally. The vehicle was not repaired. …”

NHTSA complaint #11724098, filed 2026-03, 8,000 miles

Mileage when problems were reported

100% of the 1 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 8,000 and 8,000 miles.

100%0–100%10–250%25–500%50–750%75–1000%100–1500%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (1 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 8,000 miles.

Complaints by year filed

Fewer than 15 complaints, too few for a reliable trend.

202232023202420252026
Complaints by year the complaint was filed with NHTSA. Red bars: the last 3 full calendar years used for the trend. The current year (2026) is partial.

Recalls and investigations

See all 16 recalls for the 2021 Mercedes-Benz Sprinter 3500 → · Check a VIN at nhtsa.gov/recalls

Technical service bulletins

TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 127 on record; the latest 10 are shown.

See all 127 bulletins →

Other model years of the Mercedes-Benz Sprinter 3500

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
20231733,0006———Too new
202295,0006———Not enough data
202188,00016———Not enough data
2020132,85022———Not enough data
2019279,55041——67 · MoreFalling
2018915,00010———Not enough data
20172818,0009——20 · FewerFalling
20166217,15016——71 · MoreFalling
20153715,75015——51 · TypicalFalling
20145522,2507——49 · TypicalFalling
20134526,4005——18 · FewerFalling
20122131,0004———Falling
2011848,7444———Not enough data

All Mercedes-Benz Sprinter 3500 model years · Best and worst years by complaints

Frequently asked questions

How many NHTSA complaints does the 2021 Mercedes-Benz Sprinter 3500 have?

NHTSA recorded 8 consumer complaints for the 2021 Mercedes-Benz Sprinter 3500 as of Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2021 Mercedes-Benz Sprinter 3500 is reported most often?

Brakes is named most often, in 3 complaints (38% of the total), followed by suspension with 3.

Has the 2021 Mercedes-Benz Sprinter 3500 been recalled?

NHTSA lists 16 recall campaigns for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

At what mileage are problems with the 2021 Mercedes-Benz Sprinter 3500 reported?

Among the 1 complaints that include a mileage, the median is 8,000 miles and the middle half falls between 8,000 and 8,000 miles; 100% were filed for vehicles with under 50,000 miles.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.