Mercedes-Benz V-Class Big Brake Kit Upgrade / TTSPORT Classic 8657
The Mercedes-Benz V-Class is built as a rolling office, and its 2.0L turbo four (up to 211 hp) with a 7-speed automatic moves the big MPV with more urgency than its shape suggests — 0-60 in around 7 seconds. But at roughly 2.4 tons curb weight, the factory single-piston brakes are only just keeping pace with the drivetrain. This install swaps in a TTSPORT front six-piston / rear four-piston big brake kit to give the pedal more bite and more consistency, without touching the V-Class's factory-fitted 18-inch wheels.
A 2.4-ton MPV asks a lot of a single-piston caliper. The upgrade path here keeps the OEM wheel fitment while adding real pad area and caliper stiffness at both axles.
Vehicle & Kit Specs
| Item | Specification |
|---|---|
| Vehicle | Mercedes-Benz V-Class, factory 18-inch wheels |
| Front caliper | TTSPORT TT8657 two-piece forged aluminum six-piston caliper, approx. 3.90 kg per caliper, with piston dust boots and anti-rattle clips for street use |
| Front rotor | TT 355x32mm high-carbon heat-treated curved-vane rotor |
| Rear caliper | TTSPORT TT8901 forged four-piston caliper |
| Rear rotor | TT 345x28mm high-carbon heat-treated curved-vane rotor |
| Lines | TTSPORT stainless steel brake lines (rear) |
| Hardware | Vehicle-specific mounting brackets, bolts, and torque-spec hardware for caliper and bracket installation |
Why It Works
The TT8657's two-piece forged aluminum construction resists flex under hard pedal load better than a factory single-piston floating caliper — that stiffness is what turns into a firmer, more predictable pedal instead of a soft, progressive squish. Pairing it with a 355x32mm rotor adds mass and surface area to soak up and shed heat, which is the main defense against fade on a heavy vehicle.
A matching four-piston rear caliper with a 345x28mm rotor and stainless lines keeps front-to-rear bias balanced, so the added front bite doesn't throw off pedal feel or brake distribution. Stainless lines cut hose expansion under pressure, which keeps pedal travel more consistent lap after lap or stop after stop.
- Forged two-piece calipers reduce flex versus the factory single-piston unit for a firmer pedal
- Larger, curved-vane rotors add heat capacity and help clear heat faster during repeated braking
- Confirmed to clear the V-Class's factory 18-inch wheels
Installation Gallery
The install starts with pulling the factory single-piston calipers and rotors, then thoroughly cleaning the hub face — a step that's easy to rush but directly affects whether the new rotor runs true. From there the rotor goes on (direction-specific, curved vanes pointed with wheel rotation), the caliper and bracket bolts get torqued to spec, and the wheel goes back on to check clearance.
FAQ
What wheel size does this TTSPORT kit fit on the Mercedes-Benz V-Class?
What's included in the TTSPORT kit used on this V-Class?
Why upgrade the V-Class's factory brakes?
Need fitment confirmation? Choose the closest TTSPORT series or send your vehicle, wheel size, and intended use before ordering.