Match UP S4MB-SUR – Upgrade surround speakers for Mercedes vehicles
The UP S4MB-SUR is the surround channel of Audiotec Fischer’s MATCH UPGRADE speaker system for Mercedes. Supplied as a pair, it replaces the factory surround speakers in C-Class (205), E-Class (238/213), GLC (253) and S-Class (W222) models that are equipped with surround speakers ex works.
The speakers complete the MATCH UPGRADE line-up and add spaciousness and depth to music playback without being acoustically intrusive for rear passengers. Like the other MATCH UPGRADE speakers, they are tuned for Mercedes vehicles, offer significantly increased power handling and use exclusive baskets with car-specific connectors.
Key Features
- Surround upgrade: replaces factory Mercedes surround speakers.
- Spaciousness and depth: enhances the sound image without disturbing rear passengers.
- Completes the system: designed as the final part of the MATCH UPGRADE speaker set.
- Mercedes-specific tuning: sound characteristics optimised for Mercedes vehicles.
- Higher power handling: 60 W RMS / 120 W max.
- Coated paper cone: used for the driver diaphragm.
- Exclusive baskets and car-specific connectors: for easy installation.
- System expandable: combinable with other MATCH UPGRADE components such as DSP amplifiers.
- Supplied as a pair: two speakers plus manual.
Drivers & Construction
Each speaker uses a coated paper cone in a basket developed specifically for Mercedes vehicles and connects via a car-specific connector.
Acoustic Performance
- Power handling: 60 W RMS / 120 W max.
- Impedance: 4 Ω.
- Sensitivity: 89 dB (1 W / 1 m).
- Frequency response: 90 Hz – 20,000 Hz.
Installation Notes
- Installation diameter: 99 mm (3.90″).
- Installation depth: 35 mm (stated on the page as 1.34″).
- Requirement: only for vehicles that have surround speakers from the factory.
Compatible vehicles with factory surround speakers as listed by the manufacturer (status May 2019):
- C-Class: Convertible A205 (from 2016), Coupe C205 (from 2015), Sedan W205 (from 2014), T-Model S205 (from 2014)
- E-Class: Convertible A238 (from 2017), Coupe C238 (from 2017), Sedan W213 (from 2016), T-Model S213 (from 2016)
- GLC: SUV X253 (from 2015), SUV Coupe C253 (from 2015)
- S-Class: Sedan W222 (from 2013)
Technical Specifications
| Power RMS / max. | 60 / 120 Watts |
| Frequency response | 90 Hz – 20,000 Hz |
| Impedance | 4 Ω |
| Efficiency 1 W / 1 m | 89 dB |
| Cone material | Coated paper |
| Outer diameter | – |
| Installation diameter | 99 mm / 3.90″ |
| Installation depth | 35 mm / 1.34″ |
Scope of Delivery
2 x Surround speakers UP S4MB-SUR 1
1 x Instruction manual
