TRUSTED
DANDENONG
MECHANICS
Professional Car Servicing & Repairs in Dandenong, VIC
EV & High Voltage Expertise
Tesla Model 3, X & Y Battery & EV Work
Victoria's first independent workshop to complete a full high-voltage battery replacement on Tesla Model 3, and we have carried out battery and EV work on Model X and Model Y as well — a landmark capability that underscores our expertise at the highest level of modern automotive technology.
From HV isolation and high-torque structural procedures through to post-install calibration, every step was executed to manufacturer-level standards with workshop-grade tooling and documented processes. We bring the same rigour to every EV and conventional repair.
High-voltage trained
Safe handling of EV battery systems and isolation procedures.
Deep diagnostics
Advanced fault-finding before, during and after the battery swap.
Built to OEM standard
Workmanship and attention to detail to match factory-level expectations.

Case Study
Tesla Model 3, X & Y — Battery & EV
Showcasing Grand Dandenong Auto Service's EV capability.
What we do
Complete Automotive Services
From routine servicing to complex repairs — we handle it all
General Car Servicing
Full logbook & scheduled maintenance for all makes
Engine Diagnostics
Advanced computer diagnostics to identify issues fast
Brake Repairs
Safety-first brake pad, rotor & fluid replacements
Oil & Filter Changes
Premium oil changes to extend your engine's life
Suspension Repairs
Smooth out your ride with expert suspension work
Pre-Purchase Inspections
Buy with confidence — full vehicle assessment reports
Mechanical Repairs
Full mechanical repairs across all vehicle makes & models
Preventative Maintenance
Catch problems early before they become costly
Auto Electrical
Expert auto electrics — batteries, alternators, wiring, lighting & diagnostics
Pre-Roadworthy Repairs
Repairs and prep to roadworthy standard — we get your vehicle ready for inspection
What customers say
Real Reviews. Real Results.
Michael T.
“Brought my Hilux in for a full service and was blown away by the professionalism. They explained everything clearly, no surprise charges, and had it done by lunch. Definitely coming back.”
Posted on Google
Priya S.
“Best mechanic in Dandenong, hands down. Fixed my brakes and did an oil change at a very fair price. The team is honest and actually cares about your car. Highly recommend to anyone in the area.”
Posted on Google
Jason W.
“Used Grand Dandenong Auto Service for a pre-purchase inspection on a used car. They were thorough, professional and saved me from buying a lemon. Worth every cent.”
Posted on Google
Anh N.
“Good honest service, they didn't try to upsell me on things I didn't need. Booked in quickly and the job was done on time. Will be back for my next service.”
Posted on Google
David K.
“These guys are legends. My car had a weird engine noise and they diagnosed it on the spot. Fixed within the day and the price was very reasonable. Great local mechanic!”
Posted on Google
Sarah M.
“Finally found a mechanic I can trust. Took my Corolla in for a service and they even checked a few extra things without charging extra. Friendly, fast and reliable. 5 stars!”
Posted on Google
About us
Dandenong's Trusted Automotive Workshop
Grand Dandenong Auto Service has been proudly serving the Dandenong community and surrounding suburbs for over a decade. Located in the heart of Dandenong's automotive precinct on Bennet Street, our team of experienced mechanics is dedicated to delivering honest, high-quality vehicle repairs and servicing at fair prices.
We work on all makes and models — from everyday hatchbacks to heavy-duty utes and commercial vehicles. Whether it's a simple oil change, a complex engine repair, or auto electrical work (batteries, alternators, wiring, lighting), we treat every vehicle with the same level of care and professionalism.
Our mission is simple: keep you on the road safely, with complete transparency and zero surprises.
Find us
Conveniently Located in Dandenong
4/43 Bennet St
Dandenong VIC 3175
Australia
Mon–Fri: 8:30 AM – 5:30 PM
Saturday: By Appointment
Sunday: Closed
Easy access from:
· Princes Highway (M1)
· Cheltenham Road
· Sinclair Road
Serving: Dandenong, Keysborough, Noble Park, Springvale & surrounds
Get DirectionsGet in touch
Book Your Service Today
Fast response · No obligation · Honest advice
Opening hours
Monday – Friday: 8:30 AM – 5:30 PM
Saturday: By Appointment
Sunday & Public Holidays: Closed
Quick response
We aim to respond to all enquiries within 2 business hours