CARCARETOOL VEHICLE GUIDE

Mercedes-Benz 123

Mercedes-Benz 123 — 1976–1986, 4-door saloon (w123)2-door coupé (c123)5-door estate (s123)4-door limousine (v123), '''petrol:'''; 2.0 L ''M115 V20'' I4; 2.0 L ''M102 V20'' I4; 2.3 L ''M115 V23'' I4; 2.3 L ''M102 E23'' I4; 2.5 L ''M123'' I6; 2.7 L ''M110'' I6; '''diesel:'''; 2.0 L ''OM615 D20'' I4; 2.2 L ''OM615 D22'' I4; 2.4 L ''OM616'' I4; 3.0 L ''OM617'' I5; 3.0 L ''OM617 A'' turbo I5. Explore engine specifications, fuel economy, dimensions, tire sizes, seating, maintenance and tire-pressure guidance.

Mercedes-Benz 123
Engine'''petrol:'''; 2.0 L ''M115 V20'' I4; 2.0 L ''M102 V20'' I4; 2.3 L ''M115 V23'' I4; 2.3 L ''M102 E23'' I4; 2.5 L ''M123'' I6; 2.7 L ''M110'' I6; '''diesel:'''; 2.0 L ''OM615 D20'' I4; 2.2 L ''OM615 D22'' I4; 2.4 L ''OM616'' I4; 3.0 L ''OM617'' I5; 3.0 L ''OM617 A'' turbo I5
Transmission4-speed 722.1 automatic4-speed 4G-TRONIC automatic4-speed manual5-speed manual

About the Mercedes-Benz 123

Mercedes-Benz 123 is a 4-door saloon (W123)2-door coupé (C123)5-door estate (S123)4-door limousine (V123) in the executive car (e) class, with source data covering 1976–1986. The available vehicle data lists '''petrol:'''; 2.0 L ''M115 V20'' I4; 2.0 L ''M102 V20'' I4; 2.3 L ''M115 V23'' I4; 2.3 L ''M102 E23'' I4; 2.5 L ''M123'' I6; 2.7 L ''M110'' I6; '''diesel:'''; 2.0 L ''OM615 D20'' I4; 2.2 L ''OM615 D22'' I4; 2.4 L ''OM616'' I4; 3.0 L ''OM617'' I5; 3.0 L ''OM617 A'' turbo I5 as an engine configuration, paired with 4-speed 722.1 automatic4-speed 4G-TRONIC automatic4-speed manual5-speed manual and a FR layout layout. Public source material describes the model in the context of its design, market positioning and vehicle history.

This Mercedes-Benz 123 guide focuses on the details drivers commonly want to know, including engine information for '''petrol:'''; 2.0 L ''M115 V20'' I4; 2.0 L ''M102 V20'' I4; 2.3 L ''M115 V23'' I4; 2.3 L ''M102 E23'' I4; 2.5 L ''M123'' I6; 2.7 L ''M110'' I6; '''diesel:'''; 2.0 L ''OM615 D20'' I4; 2.2 L ''OM615 D22'' I4; 2.4 L ''OM616'' I4; 3.0 L ''OM617'' I5; 3.0 L ''OM617 A'' turbo I5 and 4-speed 722.1 automatic4-speed 4G-TRONIC automatic4-speed manual5-speed manual transmission information. Exact specifications should be matched to the relevant model year and market.

Mercedes-Benz 123 specifications at a glance

Use this table for the model-level essentials. Exact figures may vary by year, trim, engine and market.

Make Mercedes-Benz
Model 123
Model years 1976–1986
Body style 4-door saloon (W123)2-door coupé (C123)5-door estate (S123)4-door limousine (V123)
Vehicle class Executive car (E)
Manufacturer Daimler-Benz
Production November 1975 – January 1986 2,696,915 builtOswald 4-door: 2,375,410 Coupé: 99,884 Estate: 199,517 Limousine: 13,700 Chassis: 1,353 LWB chassis: 7,020
Market / country FI, NL, NZ, UA

Engine, transmission and performance

Engine information for the Mercedes-Benz 123 includes '''petrol:'''; 2.0 L ''M115 V20'' I4; 2.0 L ''M102 V20'' I4; 2.3 L ''M115 V23'' I4; 2.3 L ''M102 E23'' I4; 2.5 L ''M123'' I6; 2.7 L ''M110'' I6; '''diesel:'''; 2.0 L ''OM615 D20'' I4; 2.2 L ''OM615 D22'' I4; 2.4 L ''OM616'' I4; 3.0 L ''OM617'' I5; 3.0 L ''OM617 A'' turbo I5.. Transmission information includes 4-speed 722.1 automatic4-speed 4G-TRONIC automatic4-speed manual5-speed manual.. The listed drivetrain/layout is FR layout.

Engine '''petrol:'''; 2.0 L ''M115 V20'' I4; 2.0 L ''M102 V20'' I4; 2.3 L ''M115 V23'' I4; 2.3 L ''M102 E23'' I4; 2.5 L ''M123'' I6; 2.7 L ''M110'' I6; '''diesel:'''; 2.0 L ''OM615 D20'' I4; 2.2 L ''OM615 D22'' I4; 2.4 L ''OM616'' I4; 3.0 L ''OM617'' I5; 3.0 L ''OM617 A'' turbo I5
Transmission 4-speed 722.1 automatic4-speed 4G-TRONIC automatic4-speed manual5-speed manual
Drivetrain / layout FR layout

Dimensions, weight and practicality

Dimensions and capacity figures are presented as published source data when available.

Wheelbase Saloon: 2795 mm (110 in)Coupé: 2710 mm (107 in)Limousine/ambulance/hearse: 3425 mm (135 in)
Length 4725 mm (186 in)4849 mm (191 in) (US bumpers)4640 mm (183 in) (Coupé)4763 mm (188 in) (Coupé US bumpers) 5355 mm (211 in) (Limousine)
Width Saloon: 1784 mm (70.2 in)
Height Saloon: 1435 mm (56.5 in)
Kerb / curb weight 1390-1650 kg lb 1

Mercedes-Benz 123 other specifications

Image 1984 Mercedes-Benz 280E Sedan (cropped).jpg
Caption 1984 Mercedes-Benz 280 E (W123)
Name Mercedes-Benz W123

Mercedes-Benz 123 generations and model years

Where a source covers multiple generations, CarCareTool selects the generation(s) that best match this catalog model instead of mixing unrelated variants.

Generation / scope Years Engine Transmission Drivetrain
Mercedes-Benz W123 1976–1986 '''petrol:'''; 2.0 L ''M115 V20'' I4; 2.0 L ''M102 V20'' I4; 2.3 L ''M115 V23'' I4; 2.3 L ''M102 E23'' I4; 2.5 L ''M123'' I6; 2.7 L ''M110'' I6; '''diesel:'''; 2.0 L ''OM615 D20'' I4; 2.2 L ''OM615 D22'' I4; 2.4 L ''OM616'' I4; 3.0 L ''OM617'' I5; 3.0 L ''OM617 A'' turbo I5 4-speed 722.1 automatic4-speed 4G-TRONIC automatic4-speed manual5-speed manual FR layout
TIRE PRESSURE

Recommended tire pressure for Mercedes-Benz 123

Check the vehicle placard or owner’s manual for the manufacturer’s cold inflation pressure. CarCareTool estimates are clearly labelled when an exact verified value is unavailable.

Normal load32 PSI front30 PSI rear
Fully loaded34 PSI front33 PSI rear
Load condition Front Rear Status
Normal 32 PSI 30 PSI Estimate
Fully loaded 34 PSI 33 PSI Estimate

Calculate how much air to add

Frequently asked questions about Mercedes-Benz 123

These FAQs are generated automatically for this specific vehicle from the specifications, features and ownership data available in CarCareTool. Questions are selected by relevance so the page focuses on details that can actually be answered for this model.

What engine does the Mercedes-Benz 123 have?
The available source data lists the Mercedes-Benz 123 engine as '''petrol:'''; 2.0 L ''M115 V20'' I4; 2.0 L ''M102 V20'' I4; 2.3 L ''M115 V23'' I4; 2.3 L ''M102 E23'' I4; 2.5 L ''M123'' I6; 2.7 L ''M110'' I6; '''diesel:'''; 2.0 L ''OM615 D20'' I4; 2.2 L ''OM615 D22'' I4; 2.4 L ''OM616'' I4; 3.0 L ''OM617'' I5; 3.0 L ''OM617 A'' turbo I5. Engine availability can differ by model year and market.
What tire pressure should I use for the Mercedes-Benz 123?
For the correct setting, use the cold inflation pressure on the vehicle placard or in the owner’s manual. When CarCareTool does not have a verified configuration-specific value, its starting estimate is 32 PSI front and 30 PSI rear for normal load. This is an estimate, not an OEM recommendation.
What is the best engine oil for the Mercedes-Benz 123?
There is no single best engine oil for every Mercedes-Benz 123 configuration. Use the viscosity grade and manufacturer approval specified for the exact engine in the owner’s manual.
What body style is the Mercedes-Benz 123?
The Mercedes-Benz 123 is classified as a 4-door saloon (W123)2-door coupé (C123)5-door estate (S123)4-door limousine (V123).
What years was the Mercedes-Benz 123 produced?
The available vehicle record places the Mercedes-Benz 123 in the 1976–1986 period. Exact availability can vary by market.
What are the dimensions of the Mercedes-Benz 123?
The available source data lists length 4725 mm (186 in)4849 mm (191 in) (US bumpers)4640 mm (183 in) (Coupé)4763 mm (188 in) (Coupé US bumpers) 5355 mm (211 in) (Limousine), width Saloon: 1784 mm (70.2 in), height Saloon: 1435 mm (56.5 in), and wheelbase Saloon: 2795 mm (110 in)Coupé: 2710 mm (107 in)Limousine/ambulance/hearse: 3425 mm (135 in).
What transmission does the Mercedes-Benz 123 have?
The available source data lists 4-speed 722.1 automatic4-speed 4G-TRONIC automatic4-speed manual5-speed manual transmission options for the Mercedes-Benz 123.
Is the Mercedes-Benz 123 FWD, RWD or AWD?
The listed drivetrain/layout for the Mercedes-Benz 123 is FR layout.
Who makes the Mercedes-Benz 123?
The manufacturer listed for the Mercedes-Benz 123 is Daimler-Benz.
When was the Mercedes-Benz 123 produced?
The available source data describes production as November 1975 – January 1986 2,696,915 builtOswald 4-door: 2,375,410 Coupé: 99,884 Estate: 199,517 Limousine: 13,700 Chassis: 1,353 LWB chassis: 7,020.
How much does the Mercedes-Benz 123 weigh?
The available source data lists a kerb/curb weight of 1390-1650 kg lb 1. Actual weight can vary with engine, trim and equipment.
Where was the Mercedes-Benz 123 built?
The available source record lists assembly information as West Germany: Sindelfingen; Stuttgart; Bremen; South Africa: East London (sedan only); China: Changchun (FAW: 1987–1988); Thailand: Samut Prakarn (TAAP: 1979–1986).
What class of car is the Mercedes-Benz 123?
The Mercedes-Benz 123 is listed in the Executive car (E) class.
Which markets or countries sold the Mercedes-Benz 123?
The CarCareTool catalog currently associates the Mercedes-Benz 123 with FI, NL, NZ, UA. Market availability and specifications can differ.
What came after the Mercedes-Benz 123?
The available vehicle data lists Mercedes-Benz W124 as a successor where applicable.
What replaced the Mercedes-Benz 123?
The available vehicle data lists Mercedes-Benz W124 as the successor where applicable.
What cars are related to the Mercedes-Benz 123?
The available source data identifies related models as Mercedes-Benz E-Class. Relationships can vary by market and generation.
How often should I check the tire pressure on the Mercedes-Benz 123?
Check the tires regularly and before long trips, with the tires cold. Use the vehicle placard or owner’s manual as the source of the manufacturer’s recommended pressure.
Should I use the tire sidewall pressure for the Mercedes-Benz 123?
No. The maximum pressure printed on the tire sidewall is not automatically the vehicle’s recommended setting. Use the vehicle placard or owner’s manual for the correct cold inflation pressure.
Does the recommended tire pressure change when the Mercedes-Benz 123 is fully loaded?
It can. Many vehicles specify a different cold pressure for heavier loads. Check the vehicle placard or owner’s manual for the exact loading condition.

Data sources and verification are available in the page editor; exact specifications can vary by year, market, trim and engine.

Mercedes-Benz 123 images

Vehicle images are shown from the stored source image records when available.

Mercedes-Benz 123 photo
Mercedes-Benz 123 photo