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.

Modello	Model year	Telaio	Motore	Cambio	Totale
240 TD	1978–1986	123.183	616.912	722.117	38,903
300 TD	1977–1986	123.190	617.912	722.118	36,874
300 TD Turbodiesel	1979–1986	123.193	617.952		28,219
200 T	1980–1986	123.280	102.920	722.121	18,860
230 T	1978–1980	123.083	115.954	722.119	6,884
230 TE	1979–1986	123.283	102.980	722.122	42,284
280 TE	1977–1986	123.093	110.984	722.112	19,789

* Il dato di produzione pubblicato copre tutte le serie di quel modello; la fonte non lo scompone ulteriormente.

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

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 hp a 5,800 giri/min
240 N·m
177 lb·ft a 4,500 giri/min

OM616

Inline-4 diesel

616.912 2.4 L · 2,399 cc
72 PS
53 kW · 71 hp a 4,400 giri/min
137 N·m
101 lb·ft a 2,400 giri/min

OM617

Inline-5 diesel

617.912 3.0 L · 3,005 cc
80 PS
59 kW · 79 hp a 4,000 giri/min
172 N·m
127 lb·ft a 2,400 giri/min
617.952 3.0 L · 2,998 cc
125 PS
92 kW · 123 hp a 4,350 giri/min
250 N·m
184 lb·ft a 2,400 giri/min

M102

Inline-4

102.920 2.0 L · 1,997 cc
109 PS
80 kW · 108 hp a 5,200 giri/min
170 N·m
125 lb·ft a 3,000 giri/min
102.980 2.3 L · 2,299 cc
136 PS
100 kW · 134 hp a 5,100 giri/min
205 N·m
151 lb·ft a 3,500 giri/min

M115

Inline-4

115.954 2.3 L · 2,307 cc
109 PS
80 kW · 108 hp a 4,800 giri/min
186 N·m
137 lb·ft a 3,000 giri/min