DENSO MB279700-91XX Chiptuning
The DENSO MB279700-91XX is used in Car vehicles from makes such as VOLVO. Our library holds verified solution files for this ECU family.

MB279700-91XX chip tuning and remap solutions
The Denso MB279700-91XX is an engine control unit used in cars from makes such as Volvo. Prime Chiptuning always builds MB279700-91XX files from the original read of the vehicle; generic files are not used.
Solutions offered for this ECU family include Stage 1 Remap. Which ones apply to your vehicle depends on the exact ECU variant, software version and engine; we check this from the read file before the work starts.
How a MB279700-91XX remap is done
- The MB279700-91XX is read by OBD, bench or boot depending on the variant, and the original software is backed up.
- The original file is modified for the vehicle, engine and requested solution; the checksum is corrected.
- The file is written, fault codes are checked and the vehicle is road tested.
- The original backup is kept, so the vehicle can be returned to factory software at any time.
Why Prime Chiptuning for MB279700-91XX
Our service points tune the MB279700-91XX for each vehicle individually, with support after delivery. Workshops with their own tools can order MB279700-91XX files on the ECU Prime file platform.
Are you a tuner or dealer?
Verified Stage 1, DPF, EGR and AdBlue files for the DENSO MB279700-91XX are available on the EcuPrime file service: upload your original file and compatibility is measured in seconds.
DENSO MB279700-91XX files on EcuPrime →Notify me when a new DENSO MB279700-91XX solution is released
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