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MHERO 917  Maintenance and EV System Care at EVS in China

MHERO 917 Maintenance and EV System Care at EVS in China

The MHERO 917 is the brand's larger, more powerful off-roader, with independent electric drive at all four wheels and a heavily protected high-voltage system. EVS will maintain it end to end, from drive-unit diagnostics to post-expedition inspection.

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About MHERO 917

About MHERO 917.

The 917 sits above the 817 in MHERO's range: a bigger, more capable electric off-road SUV with independent drive at each wheel, greater output and a chassis built for load, wading and sustained rough-terrain use. Like its sibling it can run as a range-extended vehicle, so a petrol generator sits alongside the high-voltage system and needs conventional engine servicing. The extra mass and capability make inspection more important, not less: brakes, bearings, suspension joints and cooling all work harder, and the battery enclosure sees more exposure. EVS will service the 917 completely, including four-corner drive diagnostics, battery health and thermal work, generator maintenance and warranty-related repair.

MHERO 917 Repair & Maintenance Services.

Other EV brands the centre will cover.

Frequently Asked Questions.

Battery state-of-health and thermal testing, individual drive unit and inverter checks, generator oil and filter service, brake, bearing and suspension inspection, underbody and sealing checks, plus software updates.

The procedure is similar, but the 917 is heavier and more powerful, so brakes, tyres, bearings and suspension components are inspected more closely and cooling performance is verified under load rather than at idle.

Yes. We will inspect and repair underbody protection, seals, suspension and cooling systems after expedition use, and we will check the high-voltage enclosure for any sign of water or dust ingress.

Yes. Work is carried out to manufacturer procedure and documented, so warranty coverage is preserved.
29
EV brands covered
65
Models with a service page
5
Workshop disciplines
4
Countries EVS operates in

This brand in China

China ended 2025 with 43.97 million new-energy vehicles in use, and the China Automobile Maintenance Industry Association has been reported as counting only 20,000 to 30,000 workshops equipped for them against roughly 400,000 for petrol cars. Whatever you drive, the shortage is not of garages. It is of garages that can safely open a high-voltage system, read what it says, and complete the calibration afterwards.

What we expect to see

Four patterns, and most of the work is in them...

Four patterns account for most of the work on electric cars in a market like this one, and EVS workshops elsewhere see the same four. None of them is unusual. What is unusual here is how few workshops are equipped to tell them apart.

A battery quote that should have been a module

The first large out-of-warranty bills are arriving as the 2020-2023 cohorts leave cover. A pack is not always the answer: a single module, a contactor, a cooling circuit or a sensor can present the same way and cost a fraction. The difference is whether anyone measured before quoting.

Calibration nobody can complete

After a collision repair, a windscreen change or suspension work, the driver-assistance cameras and radar need recalibrating. Yicai Global has reported third-party repairers in Shanghai unable to obtain the data and equipment to do it. The car leaves looking finished, with its sensors pointing at the wrong place.

Thermal loss that never lit a warning

A cooling circuit running below par throws no fault code. It simply ages the pack, and the owner meets it two or three years later as range that will not come back. It is found by measuring coolant temperatures under load, not by reading codes.

A dead car with a full battery

No screens, no door unlock, no response - while the traction pack shows plenty of charge. It is the 12-volt battery, which wakes the car and which the high-voltage system cannot come on without. Cheap part, common failure, and it strands people who were told their car had 400 km left.

How a visit works

What this will look like when we open...

The Shanghai centre has not opened yet, so this is what we are building toward rather than what you can book today.

01

Tell us the symptom

Not the diagnosis. What the car is doing, when it started, and whether anything changed before it - a service, a collision, a software update, a cold week.

02

We measure before we quote

Fault codes say where the alarm went off, not why. Data streams, actuator tests and circuit measurements say why. The quote comes after that, not before.

03

You get the finding in writing

What is wrong, what it will cost, and what can wait. If a cheaper repair will do the job, that is the one we will put in front of you.

04

The work is verified, not just finished

Anything that needed coding gets coded. Anything that needed calibrating gets calibrated and recorded. A job that was not verified is a job that comes back.

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