Mercedes-Benz Executive Wagon (S123) · Executive Wagon

S123

The first Mercedes-Benz executive estate.

Production
1977–1986
Built
199,517
Body
Estate / wagon
Chassis
S123
Mercedes-Benz Executive Wagon (S123) (S123)

The W123 sedan built Mercedes-Benz's reputation for indestructibility — the S123 T-Model extended that virtue to the estate car market, creating a load-carrying legend that served families, taxi fleets, and workshop garages across every continent.

Mercedes-Benz introduced the S123 T-Model in 1977 alongside the W123 sedan and C123 coupé, sharing the same overbuilt chassis, recirculating-ball steering, and range of inline-four and inline-six petrol and diesel engines. The estate body added a flat load floor, a rear-facing third-row jump seat option, and self-levelling rear suspension on heavier variants — features that made the T-Model the default choice for European families who needed space without sacrificing the W123's vault-like build quality.

Produced from 1977 to 1985, the S123 T-Model remains among the most beloved Mercedes-Benz estates ever built — a car whose survival rate and continued daily service are testament to engineering priorities that placed durability above fashion.

S123 interior
Cabin details of the S123, as preserved in period photography.

Every model.

7 model designations across 1977–1986 — engines, chassis codes and production figures for the S123.

ModelLata modeloweZbudowanoPodwozieSilnikSkrzynia biegówRazem
240 TD1978–19861978–1986123.183616.912722.11738,903
300 TD1977–19861977–1986123.190617.912722.11836,874
300 TD Turbodiesel1979–19861979–1986123.193617.95228,219
200 T1980–19861980–1986123.280102.920722.12118,860
230 T1978–19801978–1980123.083115.954722.1196,884
230 TE1979–19861979–1986123.283102.980722.12242,284
250 T1977–19821977–1982123.086123.920722.1137,704
280 TE1977–19861977–1986123.093110.984722.11219,789

* Opublikowana liczba produkcji obejmuje każdą serię tego modelu; źródło nie rozbija jej dalej.

S123 side profile
Studio profile of the S123 — the proportions that defined this chassis.

Year by year.

The engine, safety and visual changes across Mercedes-Benz’s first factory-built T-Model estate.

  1. 1977
    • Mercedes-Benz presented the first factory-built T-Model estate at the Frankfurt motor show.
    • The “T” designation stood for tourism and transport.
  2. 1978
    • Series production began at the Bremen plant in April.
    • The initial range comprised the 240 TD, 300 TD, 230 T, 250 T and 280 TE.
    • Self-levelling rear suspension accommodated changing payloads.
  3. 1979
    • The 240 TD rose to 72 hp.
    • The 300 TD and 250 T received output increases.
  4. 1980
    • The fuel-injected M102-powered 230 TE replaced the carbureted 230 T.
    • The M102-powered 200 T joined the range.
    • The 300 TD Turbodiesel became the first turbocharged Mercedes-Benz passenger car offered on the domestic German market.
    • Bosch anti-lock brakes became optional in August.
  5. 1982
    • A driver airbag became optional in January.
    • The 250 T left production in August.
    • The September facelift made rectangular wide-band headlamps standard across the range.
    • Power-assisted steering became standard.
    • Black windscreen air-inlet grilles and revised A-pillar trim provided exterior dating cues.
  6. 1986
    • S123 production ended in January after the S124 successor entered production.
S123 rear three-quarter view
Rear three-quarter view of the S123.

Engines.

Five engine families — the OM616 and OM617 diesels and the M102 through M115 petrols — as fitted to the S123.

M110

Inline-6
  • 110.984 2.7 L · 2,746 cc

    185 PS

    136 kW · 182 KM przy 5,800 obr./min

    240 N·m

    177 lb·ft przy 4,500 obr./min

OM616

Inline-4 diesel
  • 616.912 2.4 L · 2,399 cc

    72 PS

    53 kW · 71 KM przy 4,400 obr./min

    137 N·m

    101 lb·ft przy 2,400 obr./min

OM617

Inline-5 diesel
  • 617.912 3.0 L · 3,005 cc

    80 PS

    59 kW · 79 KM przy 4,000 obr./min

    172 N·m

    127 lb·ft przy 2,400 obr./min

  • 617.952 3.0 L · 2,998 cc

    125 PS

    92 kW · 123 KM przy 4,350 obr./min

    250 N·m

    184 lb·ft przy 2,400 obr./min

M102

Inline-4
  • 102.920 2.0 L · 1,997 cc

    109 PS

    80 kW · 108 KM przy 5,200 obr./min

    170 N·m

    125 lb·ft przy 3,000 obr./min

  • 102.980 2.3 L · 2,299 cc

    136 PS

    100 kW · 134 KM przy 5,100 obr./min

    205 N·m

    151 lb·ft przy 3,500 obr./min

M115

Inline-4
  • 115.954 2.3 L · 2,307 cc

    109 PS

    80 kW · 108 KM przy 4,800 obr./min

    186 N·m

    137 lb·ft przy 3,000 obr./min