Mercedes-Benz Executive Sedan (W121)
The Mercedes-Benz W121 (1955-1963) was manufactured between May 1955 and February 1963.
Mercedes-Benz manufactured 197,627 examples of the 121
- Dashboard modified to improve accessibility of switches under steering wheel.
- From engine 11, cylinder head gasket changed from 1.5 mm to 1.7 mm.
- Locking lever for backrests modified
- Rear axle ratio now 3.89:1.
- Cigarette lighter with shrouded element, and element diameter increased from 21 mm to 22 mm.
- Moldings fitted to windows and instrument panel changed from clamp to screw fastening.
- Clutch operating lever modified.
- Impressing of glovebox lid by pressing tool.
- Fuel filler pipe at tank inlet cut off straight.
- For coupe, rear wheel arch eyebrows fitted with decorative moldings; optional on roadster.
- Rivets on soft top replaced by fasteners.
- Interior door panels fastened with clips instead of screws.
- Rubber cover for accelerator pad (was bare steel).
- New ashtray with rotating base.
- Modified jacking points.
- Coupe roof material changed from aluminum to pressed steel.
- Narrow upper door trim molding strip on coupe replaced by wider chrome rail, also fitted to Roadster; glovebox lid with lock now standard.
- Coupe and roadster interior door panels now standardized.
- New ignition switch 545 1413.
- Renk radiator cap with 1 bar opening pressure.
- Headlight flasher function standard
- Fresh air blower on driver's side, second Bosch horn, brake servo ATE T50 standard.
- Larger rear lights from 220a and 220S saloon fitted (except chassis 2680, 2683, and 2701).
- Convex taillight lenses fitted.
- Modified interior door handles.
- Number plate lights fitted in bumper overriders.
- Red instead of amber indicator lenses for U.S. market.
- For U.S. cars, dividing strip between stop and tail lights removed.
- New indicator and park lights for U.S. versions.
- Lockable fuel tank cap shares key with door locks.
- Coupe hard-top with larger rear window.
- Roadster hard-top with larger rear window.
- Paint number plate moved from engine compartment and combined with body number plate on left front door pillar; body number continues to be stamped into engine firewall.
- Seat belt anchorage points fitted.
- Bosch horns limited to 100 decibels.
- Mounting holes for seat belts on transmission tunnel closed with sealing plugs.
- Front wheel arches sprayed with PVC for protection against corrosion.
- Fog lamps with yellow reflector instead of yellow glass.
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