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EnginePart report

2021 Mercedes-Benz Sprinter 2500 Engine Problems

Complaints
5about this part
Share
11%of 45 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 5 complaints about the engine of the 2021 Mercedes-Benz Sprinter 2500, 11% of the 45 complaints for this model year.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“Driving at an elevation of 6,200' the check engine light illuminated with code P012C Turbocharger/Supercharger Inlet Pressure Sensor Circuit Low . Shortly after the van went into limp home mode with no turbocharger input. Minimal acceleration. Almost resulted in accident since I couldn't safely re-enter highway at speed.”

NHTSA complaint #11510007, filed 2023-03

“At altitudes of over 5,000’ MSL the vehicle will not move when shifted into Drive or Reverse. No response from gas pedal. Vehicle will randomly hesitate with zero or poor throttle response when driving creating an extreme safety hazard.”

NHTSA complaint #11485202, filed 2022-09

Related service bulletins

Engine: other model years

YearComplaintsShare of year
202418%
2023632%
2022820%
2021511%
20201519%
201957%
2018214%
201718%
2016311%
201529%
2014821%
2013314%
2012113%
2011214%
201017%

Other parts of the 2021 Mercedes-Benz Sprinter 2500

Electrical system
9 complaints
Forward collision avoidance
9 complaints
Brakes
8 complaints
Lane departure
7 complaints
Other or unknown
6 complaints
Transmission and drivetrain
5 complaints
Body and structure
4 complaints
Fuel system
3 complaints
Seats
3 complaints
Steering
3 complaints
Visibility (wipers, defrost, mirrors)
3 complaints
Air bags
2 complaints

← All problems reported for the 2021 Mercedes-Benz Sprinter 2500

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology