Radiator Overflow Bottle Cap – Mercedes-Benz (OE 123 501 01 15)

This high-quality radiator overflow bottle cap (Teilex SD203547) is a direct replacement for multiple Mercedes-Benz OE part numbers, ensuring a perfect fit and reliable sealing for your cooling system. Designed to maintain system pressure and prevent coolant loss, this cap supports optimal engine temperature regulation and prevents overheating.

Key Features:

Direct replacement for OE numbers:
 123 501 01 15, 123 501 02 15, 124 500 01 06, 124 500 02 06, 124 500 04 06, 124 501 05 15,
 129 500 00 06, 202 500 04 06, A123 501 01 15, A123 501 02 15, A124 500 01 06, A124 500 02 06,
 A124 500 04 06, A124 501 05 15, A129 500 00 06, A202 500 04 06

Manufactured to meet or exceed OEM standards for durability and performance

Compatible with a wide range of Mercedes-Benz models and years

Part No: SD203547 | Brand: Teilex

Compatible With:

Mercedes-Benz W123 Estate (S123) (1977–1986)

W124 Coupe (C124) (1987–1993)

W124 Saloon (W124) (1984–1993)

W124 Estate (S124) (1985–1993)

S-Class Saloon (W126) (1979–1991)

S-Class Coupe (C126) (1980–1991)

SL Convertible (R129) (1989–2001)

S-Class Coupe (C140) (1992–1999)

S-Class Saloon (W140) (1991–1998)

190 (W201) (1982–1993)

G-Class Off-Road (W463) (1989–2018)

W124 Convertible (A124) (1991–1993)

E-Class Saloon (W124) (1993–1996)

E-Class T-modell (S124) (1993–1996)

C-Class Saloon (W202) (1993–2000)

SL Convertible (R107) (1971–1989)

W123 Saloon (W123) (1976–1985)

E-Class Saloon (W210) (1995–2003)

Vito Minibus (W638) (1996–2003)

C-Class T-modell (S202) (1996–2001)

E-Class T-modell (S210) (1996–2003)

SLK (R170) (1996–2004)

CLK Coupe (C208) (1997–2002)

G-Class Off-Road Cabrio (W463) (1989–2018)

E-Class Coupe (C124) (1993–1997)

CLK Convertible (A208) (1998–2002)

E-Class Convertible (A124) (1993–1998)

Vito Van (W638) (1997–2003)

V-Class (W638/2) (1996–2003)

Note: This is an aftermarket replacement part manufactured by Teilex, not a genuine Mercedes-Benz component.

Shipping

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Most orders are processed within 24 hours (Monday to Friday) and shipped via overnight service for small items.

Larger items typically arrive within 1-2 business days.

You'll receive a tracking link as soon as your order is collected for delivery.

✅ Fitment Confirmation


European vehicles can vary significantly by build date, trim level, and factory options.
That’s why we ask for your rego at checkout.

Our team manually verifies every order against official manufacturer parts catalogues to ensure 100% correct fitment before dispatch.

You don’t need to decode VIN numbers or production splits — we handle the technical side for you.
To qualify for our 100% Fitment Guarantee, please provide your rego when ordering.

Orders placed without a rego or VIN cannot be covered under our Fitment Guarantee.

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