
Vehicle price comparison
Mercedes E Class vs Cadillac CTS Water Pump prices
Saurabh Kumar
Co-Founder & CTO, Part Price Guide
Built the pricing pipeline that collects and normalizes used OEM part listings from salvage yards and online marketplaces across the US.
Ambika Sharma
Co-Founder & COO, Part Price Guide
12 years of project management and technical operations experience. Reviews price guides for sample size, fitment accuracy, and data freshness.
Price face-off
Median price comparison
Condition comparison
How does the price differ by part grade?
Market analysis
Why does the Mercedes E Class water pump cost more?
A used Mercedes E Class water pump carries a median asking price of $144, which is 122% higher than the Cadillac CTS at $65. Supply also plays a role: Mercedes E Class has 3,344 priced listings versus 375 for Cadillac CTS, and more listings generally mean more choices and more competitive pricing.
The Cadillac CTS average ($85) runs 31% above its median ($65), indicating a tail of high-priced listings — likely low-mileage or remanufactured units pulling the average up.
Our guide covers 10 model years for the Mercedes E Class (2015–2024) but only 6 for the Cadillac CTS (2015–2022), so the Mercedes E Class data reflects a broader range of generations.
Only 49% of Cadillac CTS water pump listings include a posted price (375 of 769 observed) — the rest are "call for price," which usually signals negotiable or higher-than-average pricing.
The Cadillac CTS water pump is interchangeable across 21 model years versus just 13 for the Mercedes E Class — that wider compatibility window means more donor vehicles in salvage yards and tends to push prices lower.
At Grade A (excellent) condition, the Cadillac CTS is 56% cheaper ($65 vs $149) — the gap widens compared to the overall median difference.
Buyer's checklist
What to check before buying a used water pump
- Spin the pump pulley flange by hand to check for smooth bearing operation, grinding noise, or shaft play (a new pump is usually recommended due to low cost).
- Inspect the weep hole on the pump body for blue/green coolant residue, crusty mineral buildup, or active leakage signs.
- Check impeller vanes (plastic vs stamped steel vs cast iron) for corrosion, missing fins, or detachment from the shaft.
- Verify housing bolt patterns, thermostat housing integration, and belt pulley hub offset relative to engine accessory drives.
Full price guide
Mercedes E Class Water Pump
$29 – $502 · 3,344 listings
Full price guide
Cadillac CTS Water Pump
$20 – $328 · 375 listings
Common questions
Mercedes E Class vs Cadillac CTS water pump FAQ
Is a used Mercedes E Class water pump cheaper than a Cadillac CTS?
Cadillac CTS has the lower median by $79 (122%). The Cadillac CTS water pump ranges from $20 to $328 across 375 listings, while the Mercedes E Class ranges from $29 to $502 across 3,344 listings.
Can I use a Mercedes E Class water pump in a Cadillac CTS?
This comparison describes pricing, not interchangeability. Even when two parts share similar prices, they may require different engines, trims, electronics, or mounting points. Always match the seller's part number against your VIN before purchasing.
How many listings does this comparison cover?
This comparison draws from 3,344 priced Mercedes E Class listings and 375 priced Cadillac CTS listings — 3,719 in total.
How does condition grade affect the price?
Part condition significantly impacts price. Grade A (Excellent): Mercedes E Class $149 vs Cadillac CTS $65. Grade B (Good): Mercedes E Class $182 vs Cadillac CTS $76. Grade C (Fair): Mercedes E Class $40 vs Cadillac CTS $50. Grade A parts are in excellent condition, B is good, and C is fair — always confirm grading criteria with the seller.
Are there different trim variants to choose from?
Yes. The Mercedes E Class water pump has 2 trim variants and the Cadillac CTS has 2. Variants differ by engine size, drivetrain, or part number — matching the right variant is critical for proper fitment.
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