Mobile Vehicle Diagnostics
& Repairs
Dealer-level diagnostic depth delivered to your driveway. Written fix plans, proper process, no guesswork.
Mercedes
Specialist
Up to 60 min
Drive time covered
£120+
Diagnostics from
What We Do
Our Services
Four core services - all mobile, all fixed-price, all backed by dealer-level tooling.
Diagnostics
from £120Full-system fault finding with dealer-level XENTRY tools. Standard, VOR priority, and pre-purchase options.
Servicing
from £175Mobile servicing for Mercedes Sprinter, Vito, and Citan. Minor and major packages with genuine parts.
Brakes
from £149Pads, discs, sensors, and park brake shoes. Fixed pricing per axle with genuine Mercedes parts.
Tuning
from £199ECU remaps for load performance or fuel economy. Fleet day rates available for 3+ vehicles.
Specialist Knowledge
Mercedes Sprinter Expert
Special strength in W906/W907 platforms and OM651/OM654 engines. We know the common failures, diagnostic pathways, and proper fix routes - including SCR, DPF, injector, and turbo-related issues.
Process
How It Works
Simple, transparent process from first contact to fix plan.
Get in Touch
Call, WhatsApp, or book online with your vehicle details and symptoms.
Confirm & Deposit
We confirm your zone, price, and next available slot. Small deposit secures it.
On-Site Diagnosis
Deep scan, live data, guided tests - all at your location.
Written Fix Plan
Clear findings, root cause, and next steps documented for you.
Why Us
Why Choose TriPoint?
XENTRY & STAR Diagnostics
We use Mercedes-Benz XENTRY and STAR tools. Dealer-level access at your location, not a cheap code reader.
Mercedes-Benz Trained
W906/W907 Sprinter, OM651/OM654 - specialist knowledge for the common failures, not generic diagnostics.
Clear Communication
Plain-English findings and a documented written outcome every time.
Mobile Convenience
Kent and SE London. No workshop drop-off needed - we come to you.
Real Diagnostic Proof
See What Your Written Diagnostic Outcome Looks Like
Every diagnostic visit ends with a written outcome: what we checked, what we found, and what to do next. Here is a real example of how that can look: plain English, evidence, and clear next steps.
Happy with our service?
Reviews help other drivers find us. If we've helped you, leaving a Google review takes less than a minute.
Our Work
Real Jobs, Real Photos
Every image is from an actual TriPoint diagnostic or repair session. No stock photos.
Blog
Latest Articles
Practical guides on common van faults, emissions issues, and what proper diagnostics looks like.

Why OM654 Turbochargers Are Failing in Mercedes Sprinter and Vito
Real workshop-level technical breakdown of OM654 turbo failures in W907 Sprinter and W447 Vito. Root causes, symptoms, repair costs, and prevention.
Read article
Sprinter Limp Mode: What a Proper Diagnostic Looks Like
Common triggers for Sprinter limp mode, why code-clearing doesn't work, and what a proper diagnostic session involves.
Read article
AdBlue Countdown: Why Clearing Codes Isn't a Fix
What triggers the AdBlue countdown, why it returns after clearing, and what a proper decision visit actually does.
Read articlePricing
Transparent, Zone-Based Pricing
Fixed prices confirmed upfront. No hidden fees. Deposit secures your slot. Parts and follow-on labour quoted separately.
Shown below are Zone A prices — Zones B and C are slightly higher. See full pricing for all zones.
£120
Zone A
Standard Diagnosis
£160
Zone A
VOR Diagnosis
£160
Zone A
Pre-Purchase Digital Health Check
FAQ
Got Questions?
We've answered 50+ common questions about our services, process, emissions repairs, coverage, and more.
Need help today?
Book a diagnostic and get a proper answer - at your door.









